The sealing composition
(57) Abstract:Usage: sealing vented hot water in the tanks. The inventive composition comprises, by weight.percent: peck tall and/or neutron 70-95, fatty acids of tall oil 5-30. The composition may contain copper derivative of chlorophyll. 2 C.p. f-crystals, 2 tab. The invention relates to a sealing and anti-corrosion compositions, and is intended primarily for sealing vented hot water tanks, batteries, hot water systems and protect the inner steel surfaces, in particular tanks and exterior surfaces, in particular pipelines against corrosion.There are various film-forming, sealing the mirror of the water in the tanks compositions based on mineral oils, in particular, a mixture of fractions of petroleum oils, substituted imidazoline, methylsulfonate and unsaturated fatty acids  a composition comprising a naphthenic base residual oil diluted with a light lubricating distillate and including tall oil  and Magnacor" containing drying oils (paraffin, neftenova and others), high-boiling carbon oil, and a mixture of sulfonate and carbonenergy oils, in particular the oil and the impossibility of their use in hot water systems, inadequate corrosion protection opens when the change of the water level of the inner surfaces of containers (tanks).Known sealing composition comprising mineral oil, polyethylene as a film-forming component, in particular for the free inner walls, a mixture of potassium and triethanolamine fatty acids taly oil and sulfonate sodium as a corrosion inhibitor  Known composition improves corrosion protection, but cannot be used in hot water systems due to the presence of toxic components.Known sealing composition of AG-4, AG-44, intended in particular to protect the deaerated water from the oxygen saturation, carbon dioxide, mechanical pollution of air and opens when the change of the water level of the inner metal surfaces of the tanks from corrosion damage, which includes high-molecular solution of mineral oil as the sealing base, thickened koutsokoumnis polymers (polyisobutylene) as film-forming to matitira composition sanitary-hygienic requirements, requirements for hot water systems.The disadvantages of the known sealing compositions are only passive corrosion effect due to sealing; short lifespan (3 4 years); the inability of the disposal and recycling of waste composition; high cost due to the use of expensive and scarce basics.The objective of the invention is to provide a sealing composition for protection of deaerated water from the oxygen saturation, carbon dioxide and pollution, as well as internal surfaces of tanks tanks in hot water systems with enhanced durability and high anti-corrosion ability, suitable for disposal and recycling, and allowing a reduction of its production.The problem is solved due to the fact that when using the total with the nearest similar characteristics, in particular the application of an oil component as the sealing substrate and kauchukopodobnoe substances as plenkoobrazuyushchie component, in accordance with the invention as a sealing basics composition comprises tall oil pitch and/or neutral and as plancor the EC tall and/or neutral 70 95
Fatty acids of tall oil 5 30
A preferential embodiment of the invention involves the incorporation of the specified sealant composition of the copper derivative of chlorophyll as modifying additives to fatty acids of tall oil in the following ratio, wt.Peck tall 70 95
Fatty acids of tall oil 4,5 25
Copper derivative of chlorophyll 0,5 5,0
The optimal variant of the invention involves the content of the above components in the following ratio, wt.Peck tall and/or neutral 80
Fatty acids of tall oil 19
Copper derivative of chlorophyll 1,0
The inventive sealing arrangement is made only of derivatives of vegetable raw materials, does not contain mineral oils (petroleum), non-toxic and meet sanitary and hygienic requirements for hot water systems. Unlike the closest analogue, where corrosion protection is based on a sealing surface of a fairly thick film kauchukopodobnoe substances, the claimed composition forms on the protected surfaces of the thin soft film formed by oxidation Sovana as an additive to fatty acids of tall oil copper derivative of chlorophyll, which are effective corrosion inhibitors and have antibacterial properties, enhances the protective properties of the composition. Proven sealing composition suitable for secondary use as film-forming inhibitory composition to protect unpainted metal structures, such as pipelines in atmospheric conditions instead of paint.Used in the composition components are the products of processing and largely waste from the processing of vegetable raw materials, non-toxic and cheaper than the components analogues, including the nearest equivalent.Tall oil pitch (TU 13-4000177-184-84) is a bottoms distillation residue obtained in the distillation of tall oil and contains, wt.Unsaponifiable substances 30,4
Oxidized substances 11,3
Resin acids 21,3
Fatty acids 37,3
and has an acid number of 40 mg Koh/g
the saponification number of 103 mg Koh/g
density 1,036 g/cm3< / BR>Neutral (TU 13-0281078-54-89) is an unsaponifiable substance consisting of aliphatic alcohols type C24H49OH (10% ), triterpenoid alcohols type of Sterol WITH29H50O (60%), hydrocarbons WITH16-C
The results of laboratory and industrial tests of sealing compositions are presented in table. 1 and 2.Anticorrosive properties of the sealing composition depending on the ratio of components.ICTM fatty acids of tall oil
MHP copper derivative of chlorophyll
Anticorrosive properties of the sealing composition in comparison with sealant is icii almost identical properties. They can be included in the composition either separately or together.Optimum corrosion properties are achieved with composition, wt.peck tall (neutral) 80
In table. 3 shows the results of testing the sealing of protective properties of the composition.Test conditions:
Water temperature 952oWITH
The removability of water 1-2 times per day
Water the domestic hot water system
Steel samples immersed in water under a layer of sealing composition. Within 6 months daily and weekly samples were taken of the water and spectrophotometric and photometric method was determined the content of phenol in water, benzene and other aromatic hydrocarbons.The test results show effective sealing (protective) properties of the sealing composition satisfying the requirements in the DHW system.The sealing composition, characterizing the set of features of the formulas proposed technical solution at the present time is not known. The claimed technical solution meets the criteria of "novelty."The claimed technical solution is the ski solutions are used for new purposes and in the inventive composition allows to obtain a new unexpected effect. In particular, it is known the use of tall oil pitch in sealing mastic as a plasticizer  Use it as a sealant basis is not known. It is also known the use of fatty acids of tall oil as a corrosion inhibitor  But their use in the inventive composition allows to obtain a new effect to apply them as a film-forming component to protect the inner walls of storage tanks, to refuse a special component type polyisobutylene.The claimed technical solution meets the criterion of "inventive step". The inventive sealing composition can be manufactured industrially using standard hardware components standard components and applied in industrial plants, in particular in hot water systems CHP. The claimed technical solution meets the criterion of "industrial applicability". 1. The sealing composition, including oil-based and film-forming substance, characterized in that as the oil bases it contains peck tall and/or substance neutral on the basis of triterpene alcohols and as a dps is alloy and/or neutral 70 95
Fatty acids of tall oil 5 30
2. The composition according to p. 1, characterized in that it further comprises a copper derivative of chlorophyll in the following ratio, wt.Peck tall and/or neutral 70 95
Fatty acids of tall oil 4,5 25
Copper derivative of chlorophyll 0.5 to 5
3. The composition according to p. 2, characterized in that it contains components in the following ratio, wt.Peck tall and/or neutral 80
Fatty acids of tall oil 19
Copper derivative of chlorophyll 1H
FIELD: polymer materials.
SUBSTANCE: invention relates to novel liquid molding compositions comprising water-soluble or water-foaming polymer, which can be employed to improve water and moisture resistance as well as for waterproofing operation, for instance of waterproofing of cables. Composition contains water, water-soluble or water-foaming organic polymer obtained from monomer mixture containing 25 to 90 wt % of nonomer(s) selected from group including (meth)acrylamide and (meth)acrylic acid or salts thereof; 10 to 75 wt % of nonomer(s) selected from group including C8-C30-alkylethoxylated (meth)acrylamides, C8-C0-alkyl(meth)allyl ethers and C8-C30-alkylethoxylated (meth)allyl ethers; and water-miscible organic volatile liquid. Polymer is present in the form of discrete particles with average cross dimension below 10 μm. Invention further provides a method for improving water and moisture resistance of articles and/or preventing introduction of water into interior of article by way of contacting this article with above-indicated composition. Method of imparting waterproofing to outside or internal components of a cable comprises contacting at least one internal component with liquid molding composition. Invention allows preparation of composition capable of protecting fiber-optic cable.
EFFECT: enhanced waterproofing properties.
15 cl, 2 tbl, 11 ex
FIELD: hermetic based on law molecular siloxane rubber, in particular sealing composition.
SUBSTANCE: invention relates to sealing composition vulcanized by reaction with air moisture. Claimed rubber-based composition comprising zinc oxide, ethyl silicate, and diethylaminomethyltriethoxysilane, contains additionally pulverized grinded quartz. As a variant hermetic also contains chalk and/or dolomite. Composition of present invention is useful in sealing of various conjunctions operating in wide temperature limits where oil and gasoline resistance is required.
EFFECT: hermetic with low-cost components and excellent in operating characteristic.
1 cl, 2 tbl, 7 ex
FIELD: chemical technology.
SUBSTANCE: invention relates to a cross-linking binding composition based on an aqueous base comprising (A) an aqueous dispersion of hybrid resin based on polyester-polyacrylate that comprises 50-90 wt.-% of polyester and 10-50 wt.-% of polyacrylate. Hybrid resin is prepared by grafting the composition of unsaturated monomers polymerized by radical mechanism on partially unsaturated hydroxy-functional polyester; and (B) organic polyisocyanate wherein partially unsaturated hydroxy-functional polyester prepared by reaction of mixture of polycarboxylic acid and, optionally, monocarboxylic acids with one or some (cyclo)aliphatic alcohols wherein 0.5-6 mole% of acids and/or alcohols show the unsaturation level of ethylene type. The composition of unsaturated monomers polymerized by radical mechanism comprises a mixture of hydrophobic and hydrophilic monomers. Also, invention relates to a method for preparing composition used for covers comprising above said an aqueous binding composition and substrate with applied cross-linked cover prepared by applying such composition for cover. Invention provides preparing the composition with retaining exploitation indices as result of excessive foam formation and differing with acceptable values of working life and hardening rate.
EFFECT: valuable properties of composition.
16 cl, 3 tbl, 19 ex
FIELD: power industry; petrochemical industry; metallurgy; municipal services and other branches of economy; production and use of sealing materials.
SUBSTANCE: the invention is pertaining to the composition for production of the lyophobic graphitic materials, in particular, to production of composite materials used for grease seals predominantly ensuring potting of "stock-body" type mobile and stationary "body-cover" joints of the pipeline fittings used in power industry, petrochemical industry, metallurgy, municipal services and in other branches of economy. The composition contains the following components( in mass %): 70-90 - black leads, 1-3 - low molecular weight polyethylene of a molecular mass 150-300, 2-7 - sodium silencer, 1-2 - sodium nitrite, 3-6 - top-finished carbon fibers, 2-7 - suspension of polytetrafluoroethylene at a ratio of polytetrafluoroethylene to water of 1:10, 1-5 - glycerin. The invention ensures a high wear-resistance of articles due to a decrease of metallic components corrosion.
EFFECT: the invention ensures a high wear-resistance of articles due to a decrease of metallic components corrosion.
FIELD: oil and gas industry, particularly to prevent fluid migration in channels of the support in working, nonworking or conserved state.
SUBSTANCE: composition includes saponified tall oil pitch, condensed spent sulfite-alcohol liquor and water preheated up to 85-96°C. The components are taken with the following amounts (by weight): saponified tall oil pitch - 35-40;, condensed spent sulfite-alcohol liquor 15-25; and preheated water - remainder. Composition may additionally include dispersed mineral or organic filler taken in amount of 5-80% by weight counting on composition mass. The composition may be used to isolate crack-porous beds during well drilling or as buffer solution during casing pipe cementation.
EFFECT: prevention of gas migration due to forming sealing screens and prevention of fresh headwater and atmosphere pollution, as well as elimination of fire and explosion hazard in neighboring territories.
4 cl, 2 ex, 2 tbl
FIELD: foam-sealing agents.
SUBSTANCE: invention describes a heat-resistant foam-sealing agent comprising polyorganosiloxane rubber, zinc oxide, oligohydride siloxane, amino-compound and vulcanization catalyst. Heat-resistant foam-sealing agent comprises polydimethylmethylphenylsiloxanediol as polyorganosiloxane rubber, oligomethylhydride siloxane as oligohydride siloxane, aminosilane as amino-compound and polyorganoelementosilazane resin as a catalyst in the following ratio of components, mas. p. p.: polydimethylmethylphenylsiloxanediol, 100; zinc oxide, 40-80; oligomethylhydride siloxane, 2.5-4.8; aminosilane, 0.1-0.3; polyorganoelementosilazane resin, 1.5-3.5. Invention provides the development of technological foam-sealing agent showing sufficiently long working life for pouring article to be sealed (30 min, not less), without toxicity, possessing internal adhesion to different backings, retaining elasticity at temperatures from -100°C to +300°C and vulcanizing at room temperature.
EFFECT: improved and valuable properties of agent.
5 cl, 2 tbl, 5 ex
FIELD: manufacture of sealing materials on base of liquid thiocol for sealing-up fuel compartments and structural members of flying vehicles; aerospace engineering; automobile manufacture; shipbuilding.
SUBSTANCE: proposed method includes mixing the sealing and vulcanizing pastes containing dibutyl phthalate with vulcanization accelerating agent; prior to preparation of vulcanizing paste, carbon nano-modifying agents are additionally introduced into dibutyl phthalate and dispersion thus obtained is treated by ultrasound. Used as carbon nano-modifying agents is fulleroid multi-layer nano-modifying agent Astralene or open carbon nano-tubes in the amount of 0.037-0.069 or 0.014-0.020 parts by mass, respectively per 100 parts by mass of vulcanizing paste.
EFFECT: enhanced tensile strength; reduction of relative elongation; enhanced fuel resistance properties and fungus resistance.
3 cl, 1 tbl, 8 ex
FIELD: production of polymeric compositions applied to pressurization of electrodevices.
SUBSTANCE: the invention is pertaining to the field of production of polymeric compositions applied to pressurization of electrodevices, for example, of low-voltage and high-voltage coils of transformers, chokes, etc. The polymeric composition includes a titaniumsiliconorganic oligomer, a KP-303 compound based on oligostheracrylate and a non-saturated epoxy-ether resin. The technical result of the offered invention is an increase of the maximal operating temperature, a decrease of a temperature coefficient of expansion, an increase of the heat conduction, provision of crack- resistance and positive stability to a heat shock. The declared technical task is reached due to the fact, that the composition additionally contains quartz, aluminum oxide, talcum.
EFFECT: the invention ensures an increased maximal operating temperature, a decreased temperature coefficient of expansion, an increase of the heat conduction, provision of crack- resistance and positive stability to a heat shock.
FIELD: polymer materials.
SUBSTANCE: sealant destined to seal metallic packaging joints contains, wt %: synthetic latex with 48-55% solids 100, carboxymethylcellulose sodium salt 2.045, mixture of polyethylene ethers of mono- and dialkylphenols 1.11, disperser (sodium tripolyphosphane) 0.37, casein 0.185, oleic acid 0.37, foam suppressor 0.407, pigment filler 5,92, and water 60.125.
EFFECT: increased viscosity, improved homogeneity, enhanced adhesion, reduced drying time.
SUBSTANCE: invention relates to sealing compositions providing tightness in vacuum and vacuum-autoclaving process of forming polymer composite materials for use in aircraft industry, mechanical engineering, and other national economy areas. Sealing composition, showing high gas impermeability, heat resistance, cohesion strength, adhesion to metal and polyamide film and providing tightness for polyamide film sacs in vacuum formation process at temperature up to 180°C and negative pressure up to 1 kg/cm2 and in vacuum-autoclaving process at pressure 2 kg/cm2 to achieve temperature 125°C, ageing for 30 min, and further heating to 180°C, contains butyl rubber, polyisobutylene with molecular weight 10000-25000, chalk, asbestos, mineral oil, and alkylphenol-formaldehyde resin.
EFFECT: improved performance characteristics.