Epoxide resin hardening compositions |
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IPC classes for russian patent Epoxide resin hardening compositions (RU 2346012):
         
 Composite polymer material for functional coatings and method of depositing it / 2338764
Invention pertains to the technology of polymer functional materials and can be used in machine building for coating components of machines, mechanisms and transport systems, and primarily, flange joints of transport systems. The composite polymer material contains a polymer binding substance, polymer component and a dispersion additive. The polymer binding substance is polyamide 6. The polymer component is a mixture of thermoplastic, chosen from HDPE, polypropylene, PTFE with 0.75-10.5 wt % content of thermoplastic, chosen from "СЭВА", "ТПУ", "ДСТ", polyamide 49.7-50 wt %. The dispersion additive is natural silicate with content of 0.1-1.0 wt %. The functional coating method consists of two stages. At the first stage a layer with given thickness is deposited by dipping a hot base metal at 270-300°C into a pseudoliquid layer made from a composition based on polyamide 6, modified by thermoplastic, thermoplastic elastomer and natural silicate. At the second stage on the formed first layer, which is molten and at temperature of 240-270°C, a second layer of coating is deposited, by dipping in a pseudoliquid layer based on thermoplastic elastomer, modified by polyamide 6, thermoplastic, natural silicate, and then the formed coating is cooled in air.
Heat-resistant powder composition for coating with improved properties / 2333926
Invention relates to thermo-reactive heat-resistant silicon powder compositions for coating used on substrates which can be subjected to high temperature action. Claimed is the powder composition for coating containing, in addition to polysiloxane, 0.01-90 weight % particles of inorganic glass, which are melted and flow within temperature range of 300°C-700°C, at which organic components of coating burn out. At such temperatures, glass particles are capable of filling voids in films formed from coating powders, and preventing adhesion damage to coating on a substrate.
 Method of forming composite coating from silicate polymer material / 2332525
Invention pertains to the technology of polymer functional materials and can be used in machine building when forming coatings for component part of machines, mechanisms and transport systems, and mainly pipes for pumping petroleum products. The method of forming composition coating from silicate polymer material involves mixing powder polymer particles and silicate particles. The mixture is then deposited on the surface of the object and heated. Polymer particles are flushed off and monocrystallisation of the coating is carried out. The powder polymer particles are chosen from a group containing polyamide, polyethyleneterphtalate, high pressure polyethylene. Silicate particles are chosen from a group containing montmorillonite, kaolin, tripolite. Heating and flushing off are done in a gas stream with density of 3·106-9·106 W/m2 for a period of 10-4-10-3 s. Depositing and monocrystallisation are done on an object, heated to temperature T=Tm+5÷40°C, where Tm is the melting temperature of the polymer, with pressure of the gas stream of 3-5 atmospheres. The coating is formed by depositing it on one or more ducts of the used device for depositing it, or is deposited by successive passage of the device with the polymer component, and then a device with the silicate component.
Powdered coating agents and their use in powder coating methods / 2331658
Powdered coating agent contains solid particles of a resin-polyurathane binding substance with equivalent mass of olefinic double bonds ranging from 200 to 2000 and content of silicon bonded in alkoxy silane groups ranging from 1 to 10 mass % and a photoinitiator. In the method of obtaining a single layered or multilayered coating on substrates, in particular when obtaining multilayered coating for transportation equipment and their components (car body or car body components coating), at least one layer of this coating is deposited from a powdered coating agent. In that case, solidification of at least one layer of the above mentioned powdered coating is achieved through free-radical polymerisation of olefinic double bonds when irradiated with high energy radiation and through formation of siloxane atomic bridges under the effect of moisture.
Composition for production of insulating coatings / 2324719
Invention is related to a composition for production of insulating coatings on working surfaces of parts of machines, mechanisms and process equipment, e.g., flange joints in trunk pipelines. The composition comprises the following proportion of components, % by mass: 0.1-10.0 elastic modifier, 0.1-3.0 disperse filler, 0.1-0.5 functional additive, the balance to 100 being polyamide matrix. Disperse particles of structured elastomer in the form of ground rubber of 10-100 mcm particle sizes are used as the elastic modifier. Montmorillonite, or flint, or tripoli are used as the disperse filler. Dibutyl phthalate or dioctyl phthalate are used as the functional additive. The invention makes it possible to improve adhesive, deformation and insulating properties of the coating as well as its resistance to thermal-oxidative media.
Powder material for making coats and functional coat for protracted operation at high working temperatures / 2303616
Proposed powder material contains the following components: from 40 to 65 mass-% of at least one solid epoxy resin which is semi-functional relative to thermal cross-linking by epoxy groups at equivalent mass of epoxide from 380 to 420 g/eq and ICI viscosity of melt at 150C from 2800 to 5000 mPa·s and softening temperature from 95 to 105C (A); from 15 to 35 mass-% of at least one solid linear epoxy resin on base of bisphenol A , AD and/or F whose functionality relative to thermal cross-linking by epoxy groups is equal to 2 maximum; from 15 to 30 mass-% of inorganic filler (b) and from 1 to 10 mass-% of at least one hardener. Powder material is applied on metal bases and are thermally cross-linked or hardened.
 Ultraviolet-hardened powder composition for lacquer covers / 2302439
Ultraviolet-hardened powder composition for lacquer covers is described, including film-forming agent component in form of two-component system of oligoether(meth)acrylate and second non-saturated compound with molecular mass equal to 500-970 g/grammolecule, produced by synthesis from p-hydroxyethoxystyrene and diisocyanate, selected from a row: 1,6-hexamethylenediisocyanate, 2,4-toluyelenediisocyanate, isophoronediisocyanate, 4,4'-methylene-(biscyclohexyldiisocyanate) or produced by synthesis from p-hydroxyethoxystyrene, diisocyanate, selected from a row: 1,6-hexamethylenediisocyanate, isophoronediisocyanate, 4,4'-methylene-(biscyclohexyldiisocyanate) and multi-atomic spirits, selected from a row: neopentylglykol, 1,6-hexanediole, while two-component system of film-creating agent contains components in accordance to ratio, appropriate for ratio of non-saturated double links of oligoether(meth)acrylate and non-saturated composition with molecular mass M=500-970 g/grammolecule, within limits from 1:1 to 1:1,2, photo-initiator of benzoyl type, filling agent and degassing agent, with stated ratio of components.
 Powdery covers with reduced luster with using free radicals / 2289600
Invention relates to a powder cover composition and to a method for its preparing that forms cover with reduced luster after hardening. Composition comprises one or some cross-linked basic polymers: cross-linked polyester, cross-linked polyurethane, cross-linked acrylated polyether and their combinations, about from 5 to 60 wt.-%; cross-linked acrylic polymer with solidification point about from 40°C to 100°C, and about 0.1 to 10 wt.-% of one or some free-radical initiating agents. Additional reducing luster and improved smoothness can be obtained by addition spheroidal particles to the powder cover composition. Proposed compositions can be used for making covers on metallic backings, such as vehicle bodies and on nonmetallic backings, such as backings made of pressed wood materials with impregnation used for making table tops of different species.
 Method for preparing intermediate compound - derivative of hydroxyester and epoxy resins prepared from it / 2276158
Invention relates to derivative of α-hydroxyester and to a method for its preparing, to a method for preparing α-halohydrin intermediate compound and to a method for preparing epoxy resin from it, and to composition based on epoxy resin. Epoxy resin represents compound of the general formula: (R2)yAr(OR1'')z wherein y means values from 0 to 750; z means values from 1 to 250; Ar represents fragment comprising aromatic compounds; R1'' represents fragment comprising glycidyl; R2 represents chlorine, bromine, iodine, fluorine atom, alkyl group, cycloaliphatic group or aromatic group substituting hydrogen atom in fragment Ar. Method for preparing epoxy resin involves three stages. At the first stage method involves preparing α-hydroxyester of one or more phenols by interaction at least one or more phenols with glycidyl ester or substituted glycidyl ester. Derivative of α-hydroxyester corresponds to the formula: (R2)yAr(OR1')z wherein y, z, Ar and R2 have above given values; R1' represents fragment comprising propyl α-hydroxyester. At the second stage method involves preparing α-halohydrin intermediate compound of at least one or more phenols by interaction of derivative of α-hydroxyester, at least one or more phenols with halide hydrogen. α-Halohydrin intermediate compound has the formula: (R2)yAr(OR1')z wherein y, z, Ar and R2 have above given values, and R1' represents fragment comprising α-halohydrinpropyl. At the third stage method involves carrying out the epoxidation reaction of abovementioned α-halohydrin intermediate compound of at least one or more phenols. Composition for powder cover comprises at least two or more components wherein at least one component represents epoxy resin. Invention provides preparing epoxy resin in the absence of epichlorohydrin by using above given stages.
Coat made from powder material at faint luster / 2268908
Composition is made by adding 5 to 60 weight-% of spheroidal particles to at least one resin selected from group consisting of thermosetting resins and thermoplastic resins. Average diameter of spheroidal particles is more than 10 mcm; maximum diameter of particles is about 50 mcm. Spheroidal particles are selected from group consisting of glass, ceramic or metal particles and minerals.
Epoxy composition / 2345106
Invention relates to epoxy compositions to be used as a binder for fibreglasses, impregnating and molding compounds, as well as for production of various products. The aforesaid binder includes the following components with the following ratio; wt %: 38.6 to 50.6 of epoxy dianpitche ED-20, 41.0 to 43.7 hardeners from-methane-tetrahydrophthalic anhydride, 0.4 to 0.7 of 2,4,6-tris-(dimethylaminomethyl)phenol, 5.0 to 20.0 of polyurethane modifier representing a composition of epoxy urethane pitch being a product of interaction of diglycidyl ether diethylene-or triethylene glycol with urethane rubber SKU-L-1052M.
Electrical embedment compound / 2343577
Invention is attributed to the field of electric engineering specifically to epoxide thin filling compounds used for electric insulating and reinforcing by means of embedding of high-voltage power supply units, transformers, electric circuitry, uncased and cased electric couplers, for sealing and protecting elements of radio-electronic devices against moisture and mechanical impacts. Composition for filling compound with moderate initial viscosity contains 30-36 wt-p. of epoxide diane resin, 12-20 wt-p. of threeglycid polyoxypropylene triol ether, 10-12 wt-p. of monoglycid n-butanol ether, 18-22 mass-p. of low-polymeric polyamid resin and 7-10 wt-p. of aliphatic amine.
Polymer composition for high-frequency energy absorption / 2343173
Polymer composition includes following components with their ratio in wt fraction: 75-85 of diane epoxy resin ED-20 as polymer; 19-21 of titanium-silicon organic oligomer - product "ТМФТ", 43-49 of triglicidyl ester of polyoxypropylentriole Laproxide 703, 10-12 of triglicidyl ester of polyoxypropylentriole Laproxide 301, 30-34 of ethylenediaminomethylphenol "АФ-2", 30-34 of low-molecular polyamide resin PO-300, 15-17 of polyhydroxyl oxane liquid 136-41, 1.5-1.7 of foam-regulator Penta-483, 1.5-1.7 of catalyst C-1, 60-80 of carbonyl iron as absorbing filler.
Method of obtaining porous plastic materials from unsaturated polyester resins / 2341541
Porous plastic materials from unsaturated polyester resins are obtained by their foaming with carbon dioxide, released during interaction of sodium carbonate with acid, in presence of zinc stearate, aerosyl, hardener- cyclohexanone peroxide and accelerant - cobalt napthenate, in which into mixture of initial reagents, which does not contain water, solution is introduced as acid component of gas-forming agent acetic acid in water-free diethylformamide.
 Composition containing nano-composite as gas barrier and articles made of it / 2340639
Composition is made from mixing 30-95 mass parts of polyolefin resin, 0.5-60 mass parts of molten resin mixture with protective properties and nanocomposite with protective properties and 1-30 mass parts of the substance which ensures the compatibility of components. Resins with protective properties are the copolymer of ethylene with vinyl alcohol polyamide, ionomer, polyvinyl alcohol. Nanocomposite is chosen from a group consisting of copolymer of ethylene with vinyl alcohol/nanocomposite from intercalated clay, polyamide/nanocomposite from intercalated clay, ionomer/nanocomposite from intercalated clay and polyvinyl alcohol/nanocomposite from intercalated clay.
Epoxy binding agent for fiberglass / 2339662
Invention concerns epoxy binding agent for obtaining fiberglass on the basis of reinforcing filler for glass fiber cloth, glass fiber blanket, glass fiber roving etc, applied mainly in construction reinforcement applied under effect of aggressive media, and in obtaining high-strength fiberglass for various engineering, shipbuilding industries etc. Binding agent includes the following components, wt %: 56.11-56.42 of ED-22 epoxy resin, 42.10-42.29 of isomethyltetrahydrophthalic anhydride, 0.79 of UP-606/2 2,4,6-tris(dimethyl)phenol, 0.50-1.00 of polytriphenyl ether of boric acid.
 Binding substance for reinforced plastics / 2338762
Invention pertains to a binding substance for reinforced plastics, which can be used as construction coating or protecting concrete, reinforced concrete, metallic and other surfaces from aggressive media and abrasive wearing, as well as making general use moulding products, used in chemically aggressive media. The binding substance consists of the following components, in wt %: 4.5-70 epoxy-diane resin, 1-30 chlorinated polyvinylchloride solution in an organic solvent, 8-25 reactive diluent, and amine type hardener constitutes the remaining wt %. The reactive diluent used is epoxy rubber adduct, obtained through co-condensation of functional groups of epoxide resin and liquid nitrile rubber, and if necessary glycidyl ether of phosphorous acids with general formula:
Polymer composition for radionuclide fixation / 2337118
Invention relates to polymer composition for radionuclide fixation, including 133Ba, 134Eu, and 36Cl, which can be applied in nuclear technology to prevent radionuclide release to environment, causing its contamination. The composition contains ingredients proportion as follows, in parts by weight: diane epoxide resin 100, furan thinner 100-150, nitrogen-containing hardener 10-65, alumimium phosphate 20-70, orthophosphoric acid 4-12, filler 0-400.
Epoxy binding agent for prepregs, prepreg based on it, and article made thereof / 2335515
Binding agent includes components at the following ratio, weight parts: epoxy diane resin or its mix with diglycidyl diethyleneglycol ether 18-50, polyfunctional epoxy resin 18-60, bromine-containing epoxy diane resin 18-34, bis-N,N-(dimethylcarbamido)diphenylmetane as solidifier 3-6, alcohol and acetone mix as organic solvent 70-105. Bromine-containing epoxy diane resin is an oligomer product of tetrabromdiphenylolpropane and epychlorhydrine condensation in 600-1500 mol mass amount in the form of diglycidyl tetrabromdiphenylolpropane ether mix with its dimmer and trimer at the component ratio of (3-4):1:(0.2-0.8) or diglycidyl tetrabromdiphenylolpropane ether mix with its dimmer, trimer and chlorhydrine ether at the component ratio of (3-4):1:(0.2-0.8):(0.5-0.6). Prepreg includes components at the following ratio, wt %: epoxy binding agent described above 30.0-42.0, and fiber filler 58.0-70.0. An article is produced by prepreg modelling.
 Composition of epoxybismaleimide binding agent for prepregs (versions), method of obtaining epoxybismaleimide binding agent (versions), prepreg and article / 2335514
First version of invention claims composition of the following component ratio, wt %: N,N,N',N'-tetraglycidyl-4,4'-diamino-3,3'-dichlordiphenylmethane 24.8÷42.1 and triglycidyl-aminophenol as polyfunctional epoxy resins 11.5÷25.8, polycrystalline powder of N,N'-hexamethylenebismaleimide as bismaleimide 25.8÷41.3, polycrystalline powder of 4,4'-diaminodiphenylsulfone as solidifier 17.4÷22.6. Second version of invention claims composition of the following component ratio, wt %: N,N,N',N'-tetraglycidyl-4,4'-diamino-3,3'-dichlordiphenylmethane 21.6÷49.5 and triglycidyl bisphenol-A ether as polyfunctional epoxy resins 16.1÷32.4, polycrystalline powder of N,N'-hexamethylenebismaleimide as bismaleimide 3.5÷27.0, polycrystalline powder of 4,4'-diaminodiphenylsulfone as solidifier 19.0÷25.8. Method of obtaining the claimed compositions involves addition of polycrystalline 4,4'-diaminodiphenylsulfone powder to homogenous polyfunctional epoxy resin melt during stirring at 120÷130°C in minimum time sufficient for its complete dissolution. Then the temperature of obtained homogenous melt is lowered to 90÷100°C. By further stirring polycrystalline powder of N,N'-hexamethylenebismaleimide is added to the melt in minimum time sufficient for its complete dissolution. Prepreg includes components at the following ratio, wt %: the claimed epoxybismaleimide binding agent 20-48 and fiber filler 52-80. An article is produced by the claimed prepreg modelling.
 Novel stabilising sysem for halogenated polymers / 2341542
Stabilising system includes, at least, (a) one perfluoralkansulfonate salt and (b), at least, one or several indoles and/or ureas and/or alkanoamines and/or aminouracils, in which indoles have general
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FIELD: chemistry. SUBSTANCE: present invention pertains to versions of compositions, which are used in making powder coatings for pipes. In the first version, the composition based on epoxide resin contains a mixture of a hardening agent and a primary amino alcohol. In the second version, the hardening composition based on epoxide resin contains a hardener-primary amino alcohol, which reacts with a phenol resin derivative. The amino alcohol used has the following structural formula: EFFECT: obtaining coatings with improved adhesion at high temperatures and humidity. 11 cl, 6 ex
The technical field to which the invention relates. The present invention relates to compositions of epoxy resins, and to methods for their preparation and to the products made from them. Specifically, the invention relates to hardeners, which include primary amerosport, physically mixed with them without the formation of the reaction product. In an alternative embodiment, the invention relates to hardeners, which include primary amerosport, entered into reaction with the derivatization of phenolic resin. System resin, using the hardeners of the invention demonstrate improved adhesion at elevated temperature and humidity to metal substrates, and they are particularly suitable for the manufacture of powder coatings for the pipeline. Prior art Compositions for powder coating based on epoxy resins are used in a wide range of functional and decorative applications, which include, for example, corrosion-resistant coatings for underground pipelines and steel rebar, electrical insulation coatings, coatings for household appliances and decorative coatings for automotive parts. Data powder coatings provide good adhesion, hardness and toughness, as well as protection on istia a wide range of chemical and corrosive environments. In particular, epoxy powder coatings are widely used for coating on the pipeline used to transport oil and gas. This use case may include exposure to conditions of elevated temperature and humidity. However, commonly used epoxy coating may exhibit a significant reduction in adhesion in the case of use in such conditions with elevated temperature and humidity. U.S. patent No. 4330664 describes a curable composition comprising (1) solid epoxy composition resulting from the reaction between (a) a solid epoxy resin obtained by the reaction between the normally liquid epoxy resin and a polyhydric phenol in the presence of a catalyst of esterification with simple ether, and (b) a small amount of Tris(hydroxymethyl)aminomethane, and (2)at least one epoxy curing agent. The resulting modified by trilaminate solid epoxy condensation resin can be cured using conventional curing agents for epoxy compounds. U.S. patent No. 4678712 describes curable composition for coating, obtained from (1) a component having more than one epoxy group, (epoxy resin) and (2) a component that has more than the eat one group, having reactivity with respect to epoxy groups of component (1) (i.e. polyhydric phenol). Any of the components (1) or (2) is a reaction product between a compound having at least one primary or secondary amino group and at least one aliphatic hydroxyl group (i.e monoamines having one or two alkanolamine group) and epoxy resin, and optional component having reactivity towards her, where the reaction product contains terminal aliphatic hydroxyl group and an epoxy group or a group having reactivity with respect to epoxy groups. Components (1) and (2) preferably are usually solids and composition for coating is a composition for powder coating. In light of the above we can say that at the present level of technology there is a need for systems epoxy resins having improved adhesion under conditions of elevated temperature and humidity, suitable for application in the form of a coating on a pipeline, especially a pipeline used to transport oil and gas. Disclosure of the invention Curing compositions based on epoxy is supposedly invention include primary amerosport, preferably described by the formula:
where each of R1 and R2 is independently selected from the group consisting of hydrogen, hydroxy group, hydroxyalkyl group, alkyl group, aryl group, cycloalkyl group, alkoxy group, cycloalkane group, acyl group, acyloxy group. In one embodiment, the implementation of primary amerosport physically mixed with the curing agent without formation of the reaction product. In yet another variant implementation of the primary amerosport enter into reaction with the derivatization of phenolic resin. In yet another variant implementation of the invention includes compositions of epoxy resins comprising the hardener of the invention. Curing compositions of epoxy resins of the present invention include at least one curing agent and at least one primary amerosport. Composition of epoxy resins of the invention include curing composition of the invention and at least one component formed of epoxy resin. The epoxy resin composition of the invention include at least one component formed of epoxy resin. Epoxy resins are those compounds which contain at least one vicinal epoxy group. Epoxy resin may be saturated or unsaturated, aliphatic, who clearifies, aromatic or heterocyclic and may be substituted. The epoxy resin may also be Monomeric or polymeric. Used a derived epoxy resin, for example, may be an epoxy resin or combination of epoxy resins derived from epichlorhydrin and phenol or phenolic compounds of the type obtained from epichlorhydrin and amine derived from epichlorhydrin and carboxylic acid or resulting from oxidation of unsaturated compounds. In one embodiment, the implementation of the epoxy resin used in the compositions of the present invention include those resins produced from epichlorhydrin and phenol or phenolic compounds of the type. Connection phenolic type includes compounds having more than one aromatic hydroxyl group per molecule. Examples of the phenolic compounds of the type include the dihydroxy-phenols, biphenol, bisphenol, halogenated biphenol, halogenated bisphenol, hydrogenated bisphenol, alkylated biphenol, alkylated bisphenol, trisphenol, phenol-aldehyde resin, Novolac resin (i.e. the product of the reaction between phenols and simple aldehydes, preferably formaldehyde), phenol-aldehyde Novolac resins on the basis of halogenated phenols, phenol-aldehyde Novolac the malls on the basis of substituted phenols, theologisation resin, theologisation resin based on substituted phenols, theologicalseminary resin, theologicalseminary resin based on alkyl phenols, uglevodorodnaya resin, uglevodorodnaya resin on the basis of halogenated phenols, uglevodorodnaya resin based on alkyl phenols or combinations thereof. In yet another variant implementation of the epoxy resin used in the compositions of the invention preferably include those resins produced from epichlorhydrin and bisphenol, halogenated bisphenols, Novolac resins and polyalkylene glycols or combinations thereof. In yet another variant implementation of the derivatives of epoxy resins used in the compositions of the invention preferably include those resins produced from epichlorhydrin and resorcinol, catechin, hydroquinone, biphenol, bisphenol a, bisphenol AP (1,1-bis(4-hydroxyphenyl)-1-Penilaian), bisphenol F, bisphenol K, tetrabromobisphenol A, phenol-formaldehyde Novolac resins, phenol-formaldehyde resins based on alkyl phenols, theologicalseminary resins, kresolverresults resins, Dicyclopentadiene resins, Dicyclopentadiene resins based on substituted phenols, tetramethylbiphenyl, tetramethylcyclobutane, is tramadoltramadol, tetrachlorobisphenol And any combinations thereof. The receipt of such compounds is well known at the present level of technology. See the work of Kirk-Othmer, Encyclopedia of Chemical Technology, 3rd Ed., Vol.9, pp 267-289. Examples of epoxy resins and their precursors suitable for use in the compositions of the invention are also described, for example, in U.S. patent No. 5137990 and 6451898, which are incorporated herein by reference. In yet another variant implementation of the epoxy resin used in the compositions of the present invention include those resins produced from epichlorhydrin and Amin. Suitable amines include diaminodiphenylmethane, aminophenol, Cialdini, anilines and the like or combinations thereof. In yet another variant implementation of the epoxy resin used in the compositions of the present invention include those resins produced from epichlorhydrin and carboxylic acids. Suitable carboxylic acids include phthalic acid, isophthalic acid, terephthalic acid, tetrahydro - and/or hexahydrophthalic acid, andmathematical acid, isophthalic acid, methylhexahydrophthalic acid and the like or combinations thereof. In yet another variant implementation of the derivatives of epoxy resins used in the compositions of the invention include those resins which are obtained from epilog is midrin and connections, having at least one aliphatic hydroxyl group. In this implementation it is necessary to understand that such of the obtained resin composition are, on average, more than one aliphatic hydroxyl group. Examples of compounds having at least one aliphatic hydroxyl group per molecule include aliphatic alcohols, aliphatic diols, polyetherdiol on the basis of simple esters of polyetherdiol on the basis of simple esters, poliferation on the basis of simple esters, and any combination thereof and the like. Suitable are also acceleratedly adducts of compounds having at least one aromatic hydroxyl group. In this implementation it is necessary to understand that such of the obtained resin composition are, on average, more than one aromatic hydroxyl group. Examples of oxide adducts of compounds having at least one aromatic hydroxyl group per molecule include ethylenoxide, propylenoxide or butylaniline adducts dihydroxy-phenols, biphenols, bisphenols, halogenated bisphenols, alkyl bisphenols, trisphenol, phenol-aldehyde Novolac resins, phenol-aldehyde Novolac resins based on halogenated phenols, phenol-aldehyde Novolac resins based on alkyl phenols, coal is ogorozhennyj resins, uglevodorodnaya resins based on halogenated phenols or uglevodorodnaya resins based on alkyl phenols or their combinations. In yet another variant implementation of the epoxy resin refers to an improved epoxy resin which is a reaction product between one or more components formed by the epoxy resins described above and one or more phenolic compounds of the type and/or one or more compounds, on average, having more than one aliphatic hydroxyl group per molecule, as described earlier. Alternatively, the epoxy resin can be introduced into the reaction carboxylterminal hydrocarbon. Carboxylterminal hydrocarbon is described herein as a compound having a hydrocarbon main chain, preferably C1-C40hydrocarbon main chain, and one or more carboxyl units, preferably more than one, and most preferably two. C1-C40hydrocarbon main chain may be a straight or razvetvlennnoj alkane or alkene, optionally containing oxygen. In a number of suitable hydrocarbons, substituted groups are carboxylic acids include fatty acid and dimer fatty acids. Among the fatty acids include Caproic acid is, Caprylic acid, capric acid, octanoic acid, VERSATIC acid™available in the company's Resolution Performance Products LLC, Houston, Texas, dekanovu acid, lauric acid, myristic acid, palmitic acid, stearic acid, palmitoleic acid, oleic acid, linoleic acid, linolenic acid, erucic acid, pentadecanoic acid, margaric acid, arachidonoyl acid and their dimers. In yet another variant implementation of the epoxy resin is a reaction product between polyepoxides and connection with more than one isocyanate link, or polyisocyanate. Epoxy resin obtained in this reaction preferably is polyoxazolines with terminal epoxy groups. In one embodiment, the implementation of the hardener of the invention includes a primary amerosport used in combination with amine - and/or amesterdam hardeners. Preferably the primary amerosport physically mixed with amine - and/or amesterdam hardeners, and it does not form them of the reaction product. Suitable primary aminoalcohols include those compounds which are described by formula I.
Formula I, where each of R1 and R2 independently represents a hydrogen, hydroxy group, hydroxyalkyl group, guy is rockabilly group, such as, for example, alkyl, aryl, cycloalkyl, alkoxy group, cycloalkane group, acyl or acyloxy group, preferably containing from 1 to 20 carbon atoms. Preferably each of R1 and R2 represents an alkyl group, hydroxyalkyl group or alkoxy group containing from 1 to 20 carbon atoms, preferably from 1 to 12 carbon atoms, and more preferably 6 or less carbon atoms. In yet another implementation, in addition to the above, each of R1 and R2 in formula I can independently represent a R O, R OO-, HO-CH2-, R's-, R'2N-, R'2P - and R'2Si-, where each R' represents hydrogen or hydrocarbonous group, described previously, preferably containing from 1 to 20 carbon atoms, and more preferably containing from 1 to 6 carbon atoms. Examples of commercially available primary aminoalcohols, suitable for use in the hardening agents of the invention include 2-amino-1-butanol, 2-amino-2-methyl-1,3-propandiol, 2-amino-2-methyl-1-propanol, 2-amino-2-ethyl-1,3-propandiol, 2-amino-3-methyl-1-butanol, 2-amino-1-hexanol and Tris(hydroxymethyl)aminomethan and their combinations, and the curing agent representing the dicyandiamide; Tris(hydroxymethyl)aminomethan most preferred. Suitable amine - and/or amesterdam overdetailed those connections, which contain primary amine link, and those compounds that contain two or more than two primary or secondary amine or amide link associated with a common Central organic link. Examples of suitable aminobenzoic curing agents include Ethylenediamine, Diethylenetriamine, Polyoxypropylenediamine, Triethylenetetramine, dicyandiamide, melamine, cyclohexylamine, benzylamine, diethylaniline, methylenedianiline, m-phenylenediamine, diaminodiphenylsulfone, 2,4-bis(p-aminobenzyl)aniline, piperidine, N,N-diethyl-1,3-propandiamine and the like, and soluble adducts of amines and polyepoxides and their salts, such as described in U.S. patent No. 2651589 and 2640037. In yet another variant implementation of the hardener of the invention includes a primary amerosport used in combination with polyamidoamine. Polyamidoamine are typically a product of the reaction between polybasic acid and the amine. Examples of the polybasic acid to be used when retrieving data polyamidoamine include 1,10-deconditioning acid, 1,12-dodecadienol acid, 1,20-eicosadienoic acid, 1,14-tetradecanoylphorbol acid, 1,18-octadecadienoic acid and diarizonae and trimeresurus fatty acids. Amines used in the preparation polyamidoamine include aliphatic and cycloaliphatic polyamine, still is as Ethylenediamine, Diethylenetriamine, Triethylenetetramine, Tetraethylenepentamine, 1,4-diaminobutane, 1,3-diaminobutane, hexamethylenediamine were, 3-(N-isopropylamino)Propylamine and combinations thereof. In yet another variant implementation of the polyamides are those compounds which are derived from aliphatic polyamines containing not more than 12 carbon atoms, and polymeric fatty acids obtained by the dimerization and/or trimerization of fatty acids with unsaturation of ethylene type, containing up to 25 carbon atoms. In yet another variant implementation of the hardener of the invention includes a primary amerosport, described previously, are used in combination with aliphatic polyamines or amidoamine, polyamidoamine, polyglycolide, Polyoxypropylenediamine, Polyoxypropylenediamine, amidoamine, imidazolinone, reactive polyamide, kamiminami, analiticheskie polyamines (i.e. xylylenediamine), cycloaliphatic amines (i.e. isophorondiamine or diaminocyclohexane), metandienon, 4,4-diamino-3,3-dimethylcyclohexylamine, heterocyclic amines (AMINOETHYLPIPERAZINE), aromatic polyamines (methylenedianiline), diaminodiphenylsulfone, the basis of manniche, phenalkamines, N,N',N"-Tris(6-aminohexyl)melamine and the like. In yet another variant implementation in overdial the invention can also be used imidazoles, you can use as an accelerator. Preferred imidazoles include 2-Mei, the 2-phenylimidazole and 2-ethyl-4-Mei. In a preferred implementation compositions for powder coating, where the desired latent curing agent, the curing agent of the invention includes a primary amerosport, described previously, are used in combination with an aromatic amine, melamine or a substituted melamine, for example, benzoguanamine, imidazoles, and substituted imidazoles, such as 2-Mei. In the most preferred implementation compositions for powder coating curing agent of the invention comprises dicyandiamide. In one embodiment, the implementation of the hardener of the invention includes a primary amerosport, physically mixed with a suitable phenolic compound and/or derivatives of phenolic resin, described below. As latent curing agents for powder coatings can be used phenolic compounds. Suitable phenolic compounds include dihydroxy-phenols, biphenol, bisphenol, halogenated biphenol, halogenated bisphenol, hydrogenated bisphenol, alkylated biphenol, alkylated bisphenol, trisphenol, phenol-aldehyde resins, phenol-aldehyde Novolac resins, phenol-aldehyde Novolac resin n is the basis of halogenated phenols, phenol-aldehyde Novolac resins based on substituted phenols, theologisation resin, theologisation resin based on substituted phenols, theologicalseminary resin, theologicalseminary resin based on alkyl phenols, uglevodorodnaya resin, uglevodorodnaya resin on the basis of halogenated phenols, uglevodorodnaya resin based on alkyl phenols or combinations thereof. Preferably phenolic curing agent comprises a substituted or unsubstituted phenols, biphenol, bisphenol, Novolac or combinations thereof. Certain derivatives of phenolic resins are also suitable latent curing agents for powder coatings. Data derived phenolic resins are the reaction products between epoxy resins having an epoxy functionality greater than 1, and phenolic compounds having a phenolic hydroxyl functionality greater than 1. Phenolic compounds are used in a stoichiometric excess so that the resulting reaction product had excess phenolic hydroxyl functionality and a very slight residual epoxy functionality. Suitable phenolic compounds above. The most commonly used form of data derived feelingsa is a product of the reaction between 2,2-bis(4-hydroxyphenyl)propane and bisphenol a with obtaining resin, characterized by a phenolic hydroxyl equivalent weight in the range of 200-1000. In yet another variant implementation of the hardener of the invention includes a primary amerosport, entered into reaction with the derivatization of phenolic resin, as described earlier. For the reaction between as the primary aminosterol, phenolic compound and a suitable epoxy resin using methods known at the present level of technology. The ratio of hardener and epoxy resin preferably is appropriate to ensure a fully utverzhdenii resin. The amount of curing agent which may be present, may vary depending on the specific hardener used (due to the chemical curing mechanism and the equivalent weight of the curing agent in accordance with what is known at the present level of technology). In one embodiment, the implementation of primary amerosport mixed with amine - and/or amesterdam hardeners with a share in the range of 1 to 50 wt.%, and preferably from 5 to 30 wt.%. In yet another variant implementation of the primary amerosport linear mixed with phenolic hardener with a share in the range of from 0.1 to 25 wt.%, preferably from 1 to 10 wt.%, and more preferably 2-6 wt.%. In the resin compositions, which include the CTE is the producer of the invention, optional you can use accelerators, also referred to herein as catalysts. Accelerators include those compounds which catalyze the reaction between the epoxy resin and hardener. In one embodiment, the implementation accelerators are compounds, including links amine, phosphine, heterocyclic nitrogen, ammonium, phosphonium, arsonia or sulfone. Preferred accelerators are compounds containing a heterocyclic nitrogen and amine, and more preferably accelerators are compounds containing a heterocyclic nitrogen. In yet another variant implementation of compounds containing a heterocyclic nitrogen used as accelerators include heterocyclic secondary and tertiary amines or nitrogen-containing compounds, such as, for example, imidazoles, imidazolidines, imidazolines, the bicyclic amidine, oksazolov, thiazole, pyridine, pyrazine, morpholines, pyridazine, pyrimidines, pyrrolidine, pyrazoles, cinoxacin, heatline, phthalazine, quinoline, purine, indazols, indazolin, phenazine, phenarsazine, phenothiazines, pyrroline, indoline, piperidine, piperazines, and the salt or the base of the Quaternary ammonium, phosphonium, arsonia or stibane, tertiary sulfone, secondary iodine and other related "view", which requires that the ranks phosphines, aminoxide and combinations thereof. The imidazoles used in the present invention include imidazole, 1-Mei, the 2-Mei, 4-Mei, the 2-ethylimidazole, 2-ethyl-4-Mei, the 2-phenylimidazole, 2-undecylenate, 1-benzyl-2-Mei, the 2-getdelimiter, 4,5-diphenylimidazole, 2-isopropylimidazole, 2,4-dimethylimidazole, 2-phenyl-4-Mei, 1-cyanoethyl-2-ethyl-4-Mei and the like. Preferred imidazoles include 2-Mei, the 2-phenylimidazole and 2-ethyl-4-Mei. In a preferred tertiary amines that can be used as accelerators, are those mono - or polyamine, which have a structure with open-chain or cyclic structure, in which all of amine hydrogen substituted by suitable substituents, such as hydrocarbon radicals, and preferably aliphatic, cycloaliphatic or aromatic radicals. Examples of data amines, among other things, include methyldiethanolamine, triethylamine, tributylamine, benzyldimethylamine, tricyclohexyltin, pyridine, quinoline and the like. The preferred amines are trialkyl and tricyclohexyltin, such as triethylamine, three(2,3-dimethylcyclohexyl)amine, and alkyldiethanolamine, such as methyldiethanolamine, and trialkanolamines, such as triethanolamine. Particularly preferred weak the tertiary amines, for example, amines, which in aqueous solutions allow you to obtain a pH value less than 10. Particularly preferred accelerators based on tertiary amines are benzyldimethylamine and Tris(dimethylaminomethyl)phenol. Imidazoline used in the present invention include 2-methyl-2-imidazoline, 2-phenyl-2-imidazoline, 2-undetermination, 2-heptageniidae, 2-isopropylimidazole, 2,4-dimethylimidazole, 2-phenyl-4-methylimidazole, 2-ethylimidazole, 2-isopropylimidazole, 4,4-dimethyl-2-imidazoline, 2-benzyl-2-imidazoline, 2-phenyl-4-methylimidazole and the like. The hardeners of the invention can be used in curable compositions for coating, which may not necessarily include excipients known state of the art, such as pigments, fillers, dyes and substances that regulate fluidity. In addition, powder coatings based on epoxy resins, comprising the curing agent of the invention can be applied when using the methods of application known state of the art. Examples of the application method include coating by the method of electrostatic spraying, application by way fluidized bed and electrostatic application method fluidized bed. In order to achieve the best understanding and the right combination the present invention, including its characteristic advantages, offered the following examples. You must understand that the examples are aimed at illustrating and they should not be construed as limitations of the invention to any specific materials or conditions. EXAMPLES Epoxy resin And is a commercial brand of 2,2-bis(4-hydroxyphenyl)propane, characterized by an epoxy equivalent weight of approximately $ 187. Epoxy resin is a commercial brand of 2,2-bis(4-hydroxyphenyl)propane, characterized by an epoxy equivalent weight of approximately $ 900, which includes about 0.5% of acrylic additives regulating fluidity. The catalyst is a reaction product between an epoxy resin and 2-methylimidazole with a residual alkalinity of approximately $ 3.7 mEq./he The powder coating was obtained, subjecting the ingredients prior high-intensity mixing, carrying out the mixing in the melt in dvuhserijnom extruder, grinding the extrudate into a powder and sifting the resulting powder through a sieve with 200 openings per linear inch. The powders were applied to panels of cold rolled steel in accordance with the method of electrostatic spraying to the finite thickness of the films, equally the x 2,0± of 0.2 mils (50 microns). Coverage was utverjdali, conducting heat treatment data panels for 10 minutes at 204,4°With (400°F). Adhesion at elevated temperature and humidity were evaluated in the immersion of the panels in distilled water at 95°C for 24 hours. The panel was removed from the water and quickly cooled to room temperature. Then used a knife with a razor blade for scribbling on the panel cross with an angle of 90° and the same knife used to make the try having to remove the coating at the point of intersection of lines forming a cross. Unless other specified, the units of the compositions are given in mass units. Comparative example 1 The curing agent D is a mixture of the catalyst and dicyandiamide with the composition of 50:50. The composition of the powder composition
Characteristics The time of gelation 204,4°With (400° (F) 25 sec:
Floor spontaneously lifted from the panel as soon as it had started to scratch, and adhesion was not restored even after a few weeks. Example 2 Compound E is a mixture of curing agent D and Tris(hydroxymethyl)aminomethane a composition of 86:14. The composition of the powder composition
Characteristics The time of gelation 204,4°With (400° (F) 30 seconds:
Floor spontaneously panel was not up, but initially it can be easily lifted when using the knife. However, adhesion was restored after a short period of time, and after that the floor was not easy to raise with the panel. Example 3 Hardener F is a mixture of curing agent D and 2-amino-2-methyl-1,2-propane diol, a composition of 86:14. The composition of the powder composition
Characteristics The time of gelation 204,4°With (400°F) 29 sec:
This cover cannot be lifted from the panel when using the knife after diving at 24, 48, 72 and 96 hours. Comparative example 4 Phenolic resin G is a phenolic curing agent, and a reaction product between an epoxy resin and a bisphenol, such that the final product is characterized by a phenolic equivalent weight of approximately $ 250. Hardener H is a mixture of phenolic resin G and 2-methylimidazole, a composition of 98:2. The composition of the powder composition
Characteristics The time of gelation 204,4°53 sec (400°F): <>
Floor spontaneously panel was not up, but initially it can be easily lifted when using the knife. However, adhesion was restored after a short period of time, and after that the floor was not easy to raise with the panel. Example 5 Compound J is a physical mixture of the hardener G, 2-methylimidazole and Tris(hydroxymethyl)aminomethane ratio 95,15: 2,00: 2,85. The composition of the powder composition
Characteristics The time of gelation 204,4°With (400° (F) 45 sec:
This cover cannot be lifted from the panel when using the knife after diving for 24 hours. Example 6 About vertical To have received as a result of heating 372,4 part epoxy resin And up to 127° C. After that, the hot resin was added to 28.5 parts of Tris(hydroxymethyl)aminomethane and the mixture was left to undergo reaction for 30 minutes. Then added 579,1 parts of bisphenol a and the mixture was allowed to warm up in the heat during the passage of the reaction up to 160°C. This reaction mixture was stirred for 1 hour. After this was added 20.0 parts of 2-methylimidazole. The product is well mixed, cooled and crushed. The composition of the powder composition
Characteristics The time of gelation 204,4°With (400° (F) 61 sec:
This cover cannot be lifted from the panel when using the knife after diving for 24 hours. Although the present invention has been described and illustrated with reference to specific embodiments, the specialists in the relevant field should be understood that the invention apply and to modifications, not necessarily illustrated herein. For this reason, in the future, for the purpose of determining the true scope of the present invention reference should be done solely by the attached claims. 1. Curing composition based on epoxy resin for powder coating comprising a mixture of primary amerosport with hardener, in which the primary amerosport has the formula
where each of R1 and R2 independently represents a C1-C6 hydroxyalkyl group or a C1-C6 alkyl group. 2. Curing the composition according to claim 1, wherein each of R1 and R2 independently represent C1-C6 hydroxyalkyl group. 3. Curing the composition according to claim 1, wherein each of R1 and R2 independently represent C1-C6 alkyl group. 4. Curing the composition according to claim 1, characterized in that the primary aminoplast selected from the group consisting of 2-amino-1-butanol, 2-amino-2-methyl-1,3-propane diol, 2-amino-2-methyl-1-propanol, 2-amino-2-ethyl-1,3-propane diol, 2-amino-3-methyl-1-butanol, 2-amino-1-hexanol, Tris(hydroxymethyl)aminomethane and their combinations. 5. Curing the composition according to claim 1, characterized in that the primary aminoplast is a Tris(hydroxymethyl)aminomethan. 6. Curing the composition is about 1, characterized in that the hardener is selected from the group including aromatic amines, melamine, substituted melamine, imidazoles, substituted imidazoles, amine and/or aminoadenosine hardeners, and combinations thereof, phenolic compounds or derived phenolic resin. 7. Curing the composition according to claim 1, characterized in that the primary aminoplast is present in an amount of from 1 to 50 wt.% the number of hardener. 8. Curing the composition according to claim 1, characterized in that the hardener is selected from the group consisting of dihydroxyphenyl, befunolol, bisphenols, halogenated biphenols, halogenated bisphenols, hydrogenated products of bisphenols, alkyl befunolol, alkyl bisphenols, trisphenol, phenol-aldehyde resins, phenol-aldehyde Novolac resins, phenol-aldehyde Novolac resins based on halogenated phenols, phenol-aldehyde Novolac resins based on substituted phenols, penelopetrunk resins, penelopetrunk resins based on substituted phenols, theologicalseminary resins, theologicalseminary resins based on alkyl phenols, uglevodorodnaya resins, uglevodorodnaya resins based on halogenated phenols, uglevodorodnaya resins based on alkyl phenols and their combinations, characterized by the phenolic hydroc the ilen equivalent weight in the range from 200 to 1000, and where the primary amerosport present content in the range from 0.1 to 25 wt.% the number of hardener. 9. Curing the composition according to claim 1, which is a composition for powder coating, including primary amerosport, which are selected from the group consisting of 2-amino-1-butanol, 2-amino-2-methyl-1,3-propane diol, 2-amino-2-methyl-1-propanol, 2-amino-2-ethyl-1,3-propane diol, 2-amino-3-methyl-1-butanol, 2-amino-1-hexanol, Tris(hydroxymethyl)aminomethane and combinations thereof; and hardener representing the dicyandiamide. 10. Curing the composition according to claim 9, characterized in that the primary aminoplast is a Tris(hydroxymethyl)aminomethan. 11. Curing composition based on epoxy resin powder coating containing curing agent is a primary amerosport, entered into reaction with the derived phenolic resin, in which the primary amerosport has the formula
where each of R1 and R2 independently represents a C1-C6 hydroxyalkyl group or a C1-C6 alkyl group.
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