(57) Abstract:Use: for the in-situ coating of marine areas. The inventive vibration mastic contains the following components, wt. polyvinyl acetate dispersion obtained by redispersion powder of polyvinyl acetate in water containing a 15.7-22.0 powder of polyvinyl acetate and 26.5-40,0 water, the plasticizer is glycerol triacetate 3,5-7,0, nepheline flame retardant 12,0-14,5, crystalline graphite 22,0-28,0, chalk 4,5-11,0, alkylbenzyldimethylammonium of 1.5 to 5.8. table 2. The invention relates to a vibration-absorbing compositions for coatings, in particular for in-situ coating areas of the vessel.Known vibration-absorbing resin, comprising, by weight. plasticized polyvinyl acetate dispersion (PVAD) 42,6 51,6, nepheline flame retardant 9,6 10,6, crystalline graphite 32,3 34,0, modifier chloroparaffin of 6.5 to 12.8  Floor it has good performance characteristics: high vibroacoustic characteristics and adhesive properties, low Flammability.However, the stability of the main vibro-acoustic properties over time he has insufficient for 3 years of operation, the loss factor of the damping coating the political essence and the achieved effect to the invention is a vibration-absorbing resin, comprising, by weight. water PVAD, plasticized with dibutyl phthalate, 45,5 50,0; nepheline flame retardant 14,0 18,0; crystalline graphite 36,0 40,0  the Coating of this mastic has a high, stable vibroacoustic characteristics (coefficient of losses for 3 years reduced by no more than 8 to 12%), good adhesion and low inflammability.However, the stability of the technological properties of the mastic is not high enough: after 3 to 5 days after making the paste begins to lose mobility, and after a month of storage mobility falls about 3 times. The paste thickens, which leads to a number of negative consequences: it is difficult RESTOREPATH thick mastic as it does not shed, it is necessary to pick out manually; unloaded the baby doesn't turn into a homogeneous mass by prolonged stirring and adding additional quantities of water. Lumpy mastic difficult to apply with a spatula, and mechanized spraying is simply impossible, because the clumps clog the nozzle of the spray device. Vibroacoustic damping performance of the coatings of thick mastic 25 to 30% lower than that of the coatings of fresh putty.Thick mastic becomes unsuitable is, it is difficult to provide immediate full use of fresh putty. Therefore, the task of improving the stability of the technological properties of the putty becomes one of the most important.The purpose of the invention improve the stability of the technological properties of the vibration-absorbing putty in time.This objective is achieved in that the vibration-absorbing resin including polyvinyl acetate dispersion, plasticizer, nepheline flame retardant and crystalline graphite, additionally contains chalk, alkylbenzyldimethylammonium (ABP), as polyvinylacetate dispersion dispersion obtained by redispersion powder of polyvinyl acetate in water as a plasticizer triacetate of glycerol, in the following ratio, wt. Redispersible powder polyvin - ilaclama 15,7 22,0 Plasticizer 3,5 7,0 Water 26,5 40,0 Nepheline anti - pyrene 12,0 14,5 Crystalline graphite 22,0 28,0 Chalk 4,5 11,0 Alkylbenzene - dinihari 1,5 5,8
The structural formula ABP can be represented as follows:
CH CHNClwhere n 2 5.To receive mastic use of manufactured products: redispersible powder of polyvinyl acetate (Ballycasey graphite casting according to GOST 5289-74; ABP on THE 6-01-1026-75.P R I m e R 1. Vibration-absorbing resin is prepared in a glass beaker with a capacity of 2 l, using for mixing laboratory stirrer speed of 100 rpm, and temperature control water bath. At the first stage in a glass pour 313 ml of distilled water, in which when the stirrer for 10 min, poured evenly 157 g RPPA. The temperature in the bath support 35aboutC. After the introduction of the powder of the polymer for 30 min homogenize the resulting dispersion, and then the stirrer is switched off and within 72 hours shall maturation of dispersion, including mixing device for 15 minutes every 6 hoursIn the second stage, prepared as described above PVA-variance consistently administered during the mixing 35 g TAG, 240 g KG, 145 g, 80 g of chalk and 30 g ABP. The fillers are added in small portions to avoid clumping. The time of homogenization of the composition 3 hours After obtaining a homogeneous mass mastic divided into two roughly equal parts. One is placed in a plastic jar, tightly sealed with a lid and put in storage at room temperature (187aboutWith 9 pressure 76030 Thor, relative humidity 7010% ). The second portion of the coating. This mastic on temperame products put spacelanes or by spraying. Drying time mastic to technological readiness at 20aboutWith no more than a day.Test specimens of mastic and formed from it, coating is carried out in accordance with the following methods.1. Determination of temperature-frequency characteristics of the coefficient of energy loss of Flexural vibrations of plates, damped coating for guidance 74-0109-25-80. Plate size 750 x 500 x (4-6) mm or 500 x 150 x (1,5-2,0) mm Material plate aluminum. Method of coating: the standard production diagrams and instructions.2. Determination of adhesive strength of the coating to primed steel according to GOST 14759-69.3. The definition of material Flammability vibration-absorbing coating according to GOST 12.1-044.84.4. Definition of measure thixotropy for TTP 743.4152-027-88.5. The definition of mobility mastic according to GOST 5802-86.6. The determination of the density of the postmark on THE 6-05-958-89.Properties of mastics and coatings from it are presented in table. 1 and 2.P R I m e R s 2 5. Vibraphone mastics prepared according to example 1, but varying the composition claimed in redelegate example 1 analog 2. Properties of mastics and coatings from it are presented in table. 1 and 2.As can be seen from the table. 1 and 2, the vibration-absorbing resin according to the invention is not thickens upon standing and its technological properties remain the same as the damping properties of coatings made from freshly prepared and aged mastics. The vibration of the postmark on the prototype (example 6K, PL. 1) for the month of standing mobility is reduced three times. VIBRATION-absorbing RESIN including polyvinyl acetate dispersion, plasticizer, nepheline flame retardant and crystalline graphite, characterized in that it additionally contains chalk, alkylbenzyldimethylammonium, as polyvinylacetate dispersion dispersion obtained by redispersion powder of polyvinyl acetate in water as a plasticizer triacetate of glycerol in the following ratio, wt.Redispersible powder of polyvinyl acetate 15,7 22,0
The triacetate of glycerol 3,5 7,0
Water 26,5 40,0
Nepheline flame retardant 12,0 14,5
Crystalline graphite 22,0 28,0
Chalk 4,5 11,0
Alkylbenzyldimethylammonium 1,5 5,8
FIELD: fireproof paint-vehicle protective materials.
SUBSTANCE: claimed paint contains polymeric binder, solvent and blowing additive consisting of pentaerythritole and ammonium polyphosphate at ratio of 1:1.3-2.6, respectively, and in addition expanded graphite. Materials of present invention useful in building industry, aviation, railway transport, etc.
EFFECT: paint with improved functionality, increased fire resistance, and expanded blowing temperature interval.
3 cl, 4 ex, 2 tbl
FIELD: polymeric protective coatings.
SUBSTANCE: invention relates to compositions forming anticorrosive coatings on reinforced concrete, concrete, and bricks and which, in particular, can be employed for anticorrosive protection of concrete floors, large-size metallic containers, pipelines, brick basements, bottoms, cattle-breeding farms, open-type swimming pools, and also air conduits, piping, and other metallic structures in industrial buildings, and near production enterprises producing corrosive emissions into atmosphere. Coating according to invention is composed by copolymer obtained via copolymerization of vinyl ether with methyl methacrylate at weight ratio (3-6):1 in presence of azo-bis-isobutyronitrile followed by dissolution of copolymer in toluene. Vaporization of the latter leaves film protecting surface from destruction.
EFFECT: enhanced protection efficiency.
FIELD: polymers, adhesives.
SUBSTANCE: invention relates to polymer dispersion useful in production of adhesive and coating agent. Claimed dispersion contains water, at least one polymer, obtained by emulsion polymerization, at least one anticoagulant, at least one water soluble metal acid salt and at least one cross-linking resin based on hydroxymethyl-substituted imidazolidinones such as 1,3-dimethylol-4,5-dihydroxyimidazolidinone (4,5-dihydroxy-N,N'-dimethylolethylenecarbamide), hydroxymethyl-substituted pyrimidinones or hydroxymethyl-substituted triazinones, or products of self-condensation thereof, or mixed condensates of two or more abovementioned compounds, or mixture of two or more abovementioned compounds. Method for production of polymer dispersion also is disclosed.
EFFECT: adhesive and coating agent containing polymer dispersion of present invention with increased moisture resistance.
18 cl, 9 ex, 1 tbl
FIELD: construction engineering and manufacture of building materials for decorate and protective coats of building facades over concrete, wood, brickwork and asbestos cement.
SUBSTANCE: proposed paint contains 50-% polyvinyl acetate plasticized dispersion, 50-% lime paste, pigments and additionally it contains chlorinated polyvinyl chloride varnish XB-784.
EFFECT: enhanced adhesion at positive and negative temperatures; enhanced water-resisting property.
2 tbl, 6 ex
SUBSTANCE: vibration-absorbing paste contains an aqueous dispersion of a polymer based on vinylacetate with dry residue of 40 to 60 wt %, trichloroethylphosphate plasticiser, hexabromocyclododecane antipyrene and filler with flake-like particles. The vibration-absorbing paste can additionally contain water, density regulator - hollow glass microspheres, anionic or mixed type surface active substance and acidity regulator - chalk.
EFFECT: due to introduction of a trichloroethylphosphate plasticiser and hexabromocyclododecane antipyrene, the level of absorption of mechanical energy is increased, with stability of vibroacoustic characteristics over time.
11 cl, 13 ex, 5 tbl
SUBSTANCE: vibration-absorbing paste contains a polyvinylacetate dispersion obtained by re-dispersing polyvinylacetate powder in water and water containing polyvinylacetate, glycerin triacetate, nepheline antipyrene, chalk, alkylbenzylpyridine chloride and filler - bauxite, characterised by weight ratio of basic components Al2O3, SiO2, TiO2 equal to (81-85):(10-14):(3.0-3.5) respectively, particle size of 63 mcm or less, specific surface area of (2.6-3.3) m2/g and crystallinity of 91% or higher.
EFFECT: use if filler in the paste increases the level of absorption of mechanical energy with stability with time of vibroacoustic and concomitant characteristics.
5 tbl, 9 ex
SUBSTANCE: vibration-absorbing paste contains an aqueous polyvinylacetate epoxy dispersion containing 50-57 wt % dry substance and modified with 10-30 wt % diane or aminophenol epoxy resin, nepheline antipyrene, alkylbenzylpyridinium chloride, hardener in form of polyethylenepolyamine or diethylenetriamine and filler - bauxite, characterised by weight ratio of basic components Al2O3, SiO2, TiO2 equal to (81-85):(10-14):(3.0-3.5) respectively, particle size of 63 mcm or less, specific surface area of (2.6-3.3) m2/g and crystallinity of 91% or higher.
EFFECT: high level of absorption of mechanical energy, high coefficient of mechanical loss with stable vibroacoustic and accompanying characteristics in time.
5 tbl, 10 ex
SUBSTANCE: described is an aqueous dispersion composition which contains an antifoaming agent, melamine, dispersant, water, aqueous dispersion of a copolymer of vinyl acetate and/or acrylate, ammonium polyphosphate, pentaerythritol, titanium dioxide, dolomite or calcite, zinc borate or zinc phosphate, or boron-modified zinc phosphate, wetting agent, dispersant, thickener, foaming agent, biocide and micronised schungite at a certain ratio of components.
EFFECT: high degree of fire resistance of steel and reinforced concrete materials, structures and buildings for industrial and civil purposes, used inside or outside all types of buildings.
SUBSTANCE: invention relates to fire-retardant intumescent materials. The method of obtaining a fire-retardant intumescent composition, consisting of a polymer binder based on organic polymer solutions, mono-substituted monoammonium phosphate, pentaerythritol, melamine, titanium dioxide, microtalc, propylene glycol and additives to achieve colour characteristics and improving dispersability.
EFFECT: larger intumescent layer of fire-retardant coatings based on organic polymer solutions.
SUBSTANCE: method of producing vibration- and noise-attenuating mastic compound based on aqueous dispersion of a highly elastic copolymer, anisometric mineral filler, ammonium polyphosphate, pentaerythritol, melamine, target additives and intercalated graphite.
EFFECT: improved fire-retardant efficiency and vibration- and noise-attenuating properties of the coating.
2 tbl, 12 ex