The catalyst for the hydroxyl-containing component and the composition of the hydroxyl-containing component to obtain a flexible polyurethane foam based on it |
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IPC classes for russian patent The catalyst for the hydroxyl-containing component and the composition of the hydroxyl-containing component to obtain a flexible polyurethane foam based on it (RU 2117014):
 The way to obtain hydroxyl-containing component for the production of flexible molded polyurethane foam / 2076877
The invention relates to polyurethane chemistry and relates to a method of obtaining a hydroxyl-containing component for the manufacture of flexible molded polyurethane foam (PUF), which can be used in the furniture and automotive industries
 Hydroxyl-containing composition to obtain a polyurethane foam / 2007426
The invention relates to the production of polyurethane foams used for insulation, sealing products for radio purposes, cryogenic technology, communications, medicine
A method of obtaining a semi-rigid polyurethane foam / 2110530
The invention relates to the chemistry of the production of cellular plastics, namely the production is filled with polyurethane foam, which can be used, for example, to remove paraffin and rubbing ski lubricants, as a cleaning tool in everyday life
 A method of obtaining a molded urethane elastomers / 2107073
The invention relates to methods for molding urethane elastomers with high strength properties and may find application in engineering, for example, for the manufacture of coating rolls of paper machines, rollers assemblies of sheet metal and other bulky items
 Method of producing elastic polyurethane foam cold forming and activating the mixture for its implementation / 2103279
The invention relates to the field of technology for elastic monopolarity in the presence of a catalyst, and may find application in the manufacture of gaskets furniture and upholstered car seats
 The way to obtain in closed form elastic polyurethane foam product and elastic polyurethane foam products / 2100383
The invention relates to the chemistry of polyurethanes and concerns a method for obtaining the closed form elastic polyurethane foam products used in the furniture industry, vehicles and so on
 The method of producing polyurethane foams / 2098434
The invention relates to the production of polyurethane foams and concerns a method for obtaining polyurethane foam plastics, in which the foaming is produced using pure nitrogen as a pore-forming means
 Polyol as one component of isocyanate foams with reduced flammability / 2098432
The invention relates to the production of foams with reduced Flammability based on isocyanates and can be used in the manufacture of thermal insulation in industrial and civil construction at the place of use
 A method of obtaining a hard moulded polyurethane foam / 2080336
The invention relates to the field of production of rigid moulded polyurethane foam and can be used in various industries for manufacturing of large-sized products of variable thickness and complex configuration
The way to obtain hydroxyl-containing component for the production of flexible molded polyurethane foam / 2076877
The invention relates to polyurethane chemistry and relates to a method of obtaining a hydroxyl-containing component for the manufacture of flexible molded polyurethane foam (PUF), which can be used in the furniture and automotive industries
Mixture for obtaining flexible polyurethane foam / 2326132
Invention pertains to the mixture for obtaining flexible polyurethane foam and can be used as mastic for hydro and thermal insulation of foundations, buildings, pipelines, as well as for filling cavities in building structures. The mixture contains defined ratios of the following components: a hydroxyl containing oligomer-copolymer of butadiene and piperylene with molecular mass of 2100 and containing 0.92% hydroxyl groups; isocyanate component - polymethylene polyphenyl isocyanate with 29-31% content of isocyanate groups; catalysts: dibutyl tin dilaurate and N,N,N- triethylamine; water; glycerine; polydimethyl siloxane and polydimethyl siloxane modified by a polyester in the form of foam stabilisers and extra bitumen. Use of bitumen considerably lowers moisture absorption of the material and increases viscosity of the foam systems. This also enables the material to retain the density attained during foaming. Use of defined foam stabilisers in the mixture enables formation of more fine cells, with high stability and attainment of low density of the polyurethane foam.
 Polyurethane foam made of hydroxymethyl-containing polyesterpolyols / 2352593
Invention refers to method for making bulk, high resilience slabstock or moulded foam, used for upholstery, automobile seats and panel cushions, for packing, other applications to softening and energy management, for sealing and other applications. The presented method involves as follows. Organic polyisocyanate contacts with polyol compound containing high mass equivalent polyol or mixed polyols with foaming agent, gelling catalyst and surface-active substance added. At least 10 wt % of high mass equivalent polyol (polyols) represent one or more equivalent mass hydoxymethyl-containing polyesterpolyols at least 400 up to 15000 produced by interaction of hydoxymethyl group containing fatty acid with 12-26 carbon or this acid ester atoms and compound initiator polyol or polyamine, thereby polyesterpolyol contains as follows: [H-X](n-p)-R-[X-Z]p, where R is residual compound initiator, X is independent, -O-, -NH- or -NR'-, while Z- represents linear or branched chain containing one or more groups A, independently chosen of groups A1, A2, A3, A4 and A5, expressed by formulas (II), (III), (IV), (V) and (VI), respectively. Besides there is disclosed polyurethane foam made by the declared method. Declared method ensures making polyurethane foams with using polyol from renewable source.
Method of obtaining compounded foam polyurethane / 2355713
Invention concerns method of obtaining compounded foam polyurethanes for operation as shock, heat and sound absorbing layers. Compounded foam polyurethanes are obtained by interaction of 100 weight parts of polyol component and 20 weight parts of polyisocyanate component, where polyol component is mixed preliminarily with 70-100 weight parts of rubber chips, and reaction mix is foamed and solidified at 160°C or higher to component destruction temperature. Butadiene and piperylene copolymer with 1200-3200 molecular weight and 0.8-1.1% content of hydroxylic groups is used as polyol component, and polymethylenepolyphenylisocyanate with 29-31% content of isocyanate groups is used as polyisocyanate component.
Method for production of polyurethane foam / 2356915
Invention is related to method for production of polyurethane foam with application of secondary waste of polyethylene terephtalate, and may be used for production of hard polyurethane foams. Polyurethane foam is produced by interaction of polyisocyanate with polyol component containing secondary waste of polyethylene terephtalate dissolved in triethanolamine or in mixture of mono-, di-, trichloracetic acids, in amount of not more than 67 wt % from total weight of polyol component. At that interaction is carried out at the ratio of polyol component : polyisocyanate as 1:1 - 1:2. Prepared polyurethane foams have good consumer properties, such as compression strength, oil-, heat resistance and reduced inflammability.
 Flexible polyurethane foam / 2376321
Polyurethane foam is obtained by mixing a pre-polymer with foaming ingredients, containing at least one multifunctional isocyanate and water, which react releasing carbon dioxide. The pre-polymer, which has terminal hydroxyl groups, is obtained by reacting at least one polyol with less than a theoretical amount of at least one multifunctional isocyanate. The pre-polymer which is stable during storage can be obtained with low or high viscosity by choosing the corresponding amount isocyanate, which reacts with polyol. Use of more viscous pre-polymer enables regulation and setting the size of cells of the obtained foam.
Method of producing rigid polyurethane foam / 2385330
Method involves reacting a composition based on organic polyisocyanates with a composition which reacts with isocyanates in the presence of a hydrocarbon as a foaming agent. The said composition which reacts with isocyanates contains a maximum of 20 wt % polyester-polyols obtained from secondary streams, wastes or residue from production of DMT and/or PET, between 30 wt % and 50 wt % polyether-polyol obtained by reacting propylene oxide with an aromatic amine as an initiator, and between 30 wt % and 50 wt % polyether-polyol which is not initiated by an aromatic amine, where amount is based on total amount of the compound which reacts with isocyanates. Rigid polyurethane foam or polyisocyanurate foam modified with urethane corresponding to this proposed invention has low lambda value especially at 10°C.
Fluoro-hydrocarbon compositions / 2395539
Present invention relates to compositions for foaming foam plastic used in insulation materials at low temperatures. The said composition ontains 1,1,1,3,3-pentafluorobutane (HFC - 365mfc) and 1,1,1,3,3-pentafluoropropane (HFC-245fa) with mass ratio HFC-365mfc/HFC-245fa between 65:35 and 73:27.The invention also relates to a premix for producing foamed polyurethane or modified foamed polyurethane which contains such a foaming composition, at least one polyol and a catalyst for reaction of isocyanates and polyols. The invention also describes a method of producing foamed polyurethane or modified foamed polyurethane using the disclosed foaming composition, as well as heat insulation material which contains foamed polyurethane or modified foamed polyurethane made using the said method. When prepared systems are used completely, the foaming composition does not have an ignition point, which provides safe production of (modified) foamed polyurethane.
 Polyurethane system and method of making foamed low density shoe articles with solid coating / 2397996
Present invention relates to a liquid polyurethane reactive system for producing shoe articles with a solid coating, e.g. sole inserts, soles etc. This reactive system includes at least one polyol meant for reaction with at least one isocyanate prepolymer, an expansion agent, an additive which contains a catalyst and expanded microspheres. The polyol is selected from polyester polyols with molecular weight from 1500 to 3000. Amount of expanded microspheres ranges from 1.0 to 30 % of the weight of polyol and the additive. Amount of the expansion agent ranges from 0.5 to 3.5% of the weight of polyol and additive. The invention also relates to a method of producing foamed shoe articles with a solid coating using the said liquid polyurethane system, resulting in a foamed structure with spontaneous foam density between 0.05 and 0.22 g/ml, as well as to foamed polyurethane shoe components made using the said method, and to use of expanded microspheres in the said liquid reactive polyurethane system.
 Foamed polyurethane / 2411254
Invention relates to polyurethane used, for example, as seat cushions, decorative elements for the inside of cars etc, and to methods of producing said polyurethane via radical-initiated cross-linking in the presence of at least one agent which produces radicals and under the effect of ionising radiation, respectively. According to the given method, at least one polyfunctional isocyanate, at least one polyol which is completely or mainly polyether polyol with molecular weight higher than 1500, and foaming ingredients are subjected to addition polymerisation and a foaming reaction in the presence of at least one component with a reactive double bond to obtain a foamed mass with a polyurethane matrix. The polyfunctional isocyanate is not 4,4'-diisocyanate diphenylmethane or does not contain 4,4'-diisocyanate diphenylmethane, and the foamed mass undergoes radical-initiated cross-linking with the component with the reactive double bond which is an acrylate or methacrylate polymer containing at least two hydroxyl groups which also react with the said isocyanate so as to be embedded into the polyurethane matrix.
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(57) Abstract: The catalyst for the hydroxyl-containing component and the composition of the hydroxyl-containing component is designed to obtain a flexible polyurethane foam used in furniture and automotive industries. Hydroxyl-containing component comprises, by weight. including: simple oligoether mol.wt. 4500 - 6500 100; the catalyst is a mixture of dimethylethanolamine with a mixture of dimethylaminomethylphenol or their mixture with 1,4-diazobicyclo-(2,2,2)-octane 0,45 - 2,32; primary Ethylenediamine 0,50 - 1,50; oxyalkylation block copolymers cap 2A 0,002 - 0,02 and water is 3.0 - 4.2. Hydroxyl-containing component is stable for 10 months, cleaner and has lower cost. 2 S. p. f-crystals, 2 tab. The invention relates to polyurethane chemistry and relates to the composition of the hydroxyl-containing component for the manufacture of flexible polyurethane foam, which can be used in the furniture and automotive industries. Known composition of the hydroxyl-containing component for flexible polyurethane foam [1], including oxyalkylene triol containing not less than 10% of primary hydroxyl groups, amine catalyst, an ORGANOTIN catalysate is the foam controller - the copolymers of the polydimethylsiloxane with oligonucleosome. The disadvantages of this structure is the need of preparation of this component immediately before the synthesis of the polyurethane, compliance high precision dosing of ingredients and required heating forms to the 120oC for curing foam. The closest in technical essence to the present invention is the composition of the hydroxyl-containing component to obtain a flexible polyurethane foam [2] , containing a simple oligoether with M m 4500 - 6500, catalyst, foaming agent, primary Ethylenediamine and prestabilization, as a catalyst, it contains 1,4-diazobicyclo-(2,2,2)-octane or a mixture of 1,4-diazobicyclo-(2,2,2)-octane with dimethylethanolamine, triethylamine, N-methyl - or N-ethylmorpholine, and urea; as a blowing agent is water in combination with trichloromethane and/or methylene chloride; as prestabilization - Tris-(trimethylsiloxy)-phenylsilane; and as the primary Ethylenediamine contains a mixture oxyalkylene Ethylenediamine (Lupranol) and the product of the amination dichloroethane (PEPA), it is also possible additional use of the products copolymerization of Acrylonitrile is the following ratio of ingredients, wt.h.:Simple oligoether M m 4500 - 6500 - 100 Catalyst: 1,4-diazobicyclo-(2,2,2)-octane or a mixture of 1,4-diazobicyclo-(2,2,2)-octane with dimethylethanolamine, triethylamine, N-methyl - or N-ethylmorpholine, as well as with urea - 0,64 Sinibaldi agent: water trichloromethane and/or methylene chloride - 4 Prestabilization: Tris-(trimethylsiloxy)-phenylsilane - 0,5 Primary Ethylenediamine: Lupranol - 3,0 PEPA - 0,54-4,5 LANCE - 43 The disadvantage of the composition of the hydroxyl-containing component is its low stability, use it as a blowing agent trichloromethane related to verlorenem (substances which are detrimental to the ozone layer of the Earth and prohibited); as a catalyst expensive imported 1,4-diazobicyclo-(2,2,2)-octane, at the same time which is highly toxic compound; as socializaton toxic and flammable triethylamine; as prestabilization Tris-(trimethylsiloxy)phenylsilane is an expensive and scarce product. An object of the invention is to increase the stability of the hydroxyl-containing component, while improving its environmental x is s flexible polyurethane foam, contains a simple oligoether M m 4500 - 6500, catalyst, foaming agent, primary Ethylenediamine and prestabilization, as catalyst contains dimethylethanolamine and the mixture dimethylaminomethylphenols or dimethylethanolamine mixture dimethylaminomethylphenol and 1,4-diazobicyclo-(2,2,2)-octane as a blowing agent is water, as prestabilization contains oxyalkylation block copolymers in the following ratio of ingredients, wt.h.: Simple oligoether M m 4500 - 6500 - 100,0 The specified catalyst - 0,45 - 2,32 Water - 3,0 - 4,2 Primary Ethylenediamine - 0.5 to 1.5 Oxyalkylation block copolymers - 0,002 - 0,02 and the catalyst for the hydroxyl-containing component containing dimethylethanolamine mixture dimethylaminomethylphenol or dimethylethanolamine mixture dimethylaminomethylphenol and 1,4-diazobicyclo-(2,2,2)-octane in the following ratio of ingredients, wt.h.: Dimethylethanolamine - 0,27 - 0,35 A mixture of dimethylaminomethylphenol - 0,10 - 2,00 or Dimethylethanolamine - 0,27 - 0,35 A mixture of dimethylaminomethylphenol - 0,10 - 1,00 1,4-diazobicyclo-(2,2,2)-octane - 0,10 - 0,25, it allows to increase the stability of the composition is more than 3 times compared to prototypal in part: as a simple oligoether hydroxyl-containing component may contain oligomers of propylene oxide and ethylene oxide M m 4500 - 6500. An example of a simple oligoether are products brands "Laprol 5003-2B-10 (TU 6-05-1513-75), "Laprol 5003-2-15 (TU 2226-008-10488057-94), "Laprol 6003-2B-18 (TU 6-05-221-88086); it is also possible to use mixtures with oligomers of propylene oxide M m 2900 - 3100, an example of the oligomer of propylene oxide can serve as the product brand "Laprol 3003 (TU 6-05-1513-75); as a catalyst - dimethylethanolamine (TU 6-02-106-77), a mixture of dimethylaminomethylphenol (trademark "Agidol 51, 52, 53" THE 38.30356-86), 1,4-diazobicyclo-(2,2,2)-octane (trademark "DABCO" is a product of foreign production); as a blowing agent is water (GOST 6-709-72 or GOST 74-82); as the primary Ethylenediamine can be used oxyalkylene the contrary, an example of which is the product brand "Supramol 294 (TU 2226-010-10488057-94); as prestabilization - oxyalkylation block copolymers, an example of such a product is a "cap-2A (TU 6-02-813-73), a hydrolytically stable oxyalkylation block copolymers with silicon content of 5.5 - 8%. Example 1 (proposed facility). Charged to the reactor simple oligoether brand Laprol 5003-2-15 (hereinafter wt.h.) 100,0; catalysts dimethylethanolamine 0,30; Agidol 51, 52, 53 0,9; foaming agent is so The resulting product is a liquid with light yellow or pink to brown with a faint odor. Example 2 - 5. The compositions of the components shown in table.1. Example 6 (the prototype). The mixture contains a simple oligoether brand Laprol 5003-2B-10 100,0; catalyst 1,4-diazobicyclo-(2,2,2)-octane 0,64; foaming agent is water in combination with trichloromethane 4,0; primary Ethylenediamine of Lupranol 294 3,0; prestabilization Tris-(trimethylsiloxy)phenylsilane 0,5; product amination dichloroethane(PEPA) of 1.0; the product of copolymerization of Acrylonitrile and styrene in the environment oligoether brand Laprol 5003-2B-10 (an example of such a dispersion is the product brand "LANS") 43,0. In table.2 shows properties of the obtained hydroxyl-containing component. The proposed composition of the hydroxyl-containing component is stable over time within 10 months, more than 3 times longer than the prototype; more environmentally friendly due to the absence in the composition freestories connections, partial or complete expulsion from the toxic 1,4-diazobicyclo-(2,2,2)-octane, toxic and flammable triethylamine; has a lower cost due to partial or complete expulsion from the roads is Ilana. 1. The catalyst for the hydroxyl-containing component containing a mixture of nitrogen-containing compounds on the basis of dimethylethanolamine, characterized in that as the nitrogen-containing compounds it contains a mixture of dimethylethanolamine with a mixture of dimethylaminomethylphenol or their mixture with 1,4-diazobicyclo-(2,2,2)-octane in the following ratio, wt.h.: Dimethylethanolamine - 0,27 - 0,35 A mixture of dimethylaminomethylphenol - 0,10 - 2,00 or Dimethylethanolamine - 0,27 - 0,35 A mixture of dimethylaminomethylphenol - 0,10 - 1,00 1,4-Diazobicyclo-(2,2,2)-octane - 0,10 - 0,25 2. The composition of the hydroxyl-containing component to obtain a flexible polyurethane foam containing a simple oligoether mol.m. 4500 - 6500, a mixture of nitrogen-containing catalysts on the basis of dimethylethanolamine, primary Ethylenediamine, the silicon prestabilization and water, characterized in that the catalyst contains a mixture of dimethylethanolamine with a mixture of dimethylaminomethylphenol or their mixture with 1,4-diazobicyclo-(2,2,2)-octane under item 1, as well as silicon prestabilization oxyalkylation block copolymers cap-2A in the following ratio, wt.h.: Simple oligoether mol.m. 4500 - 6500 - 100 Cm of 0.45 - 2,32 Primary Ethylenediamine - 0,50 - 1,50 Oxyalkylation block copolymers cap-2A - 0,002 - 0,02 Water - 3,0 - 4,2 p
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