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33results about How to "Good chemical cross-linking" patented technology

Waterborne polyurethane thermal-insulating sound-absorbing coating and preparation method thereof

The invention discloses waterborne polyurethane thermal-insulating sound-absorbing coating and a preparation method thereof. The waterborne polyurethane thermal-insulating sound-absorbing coating comprises a polyurethane prepolymer, N-hydroxymethyl acrylamide, phthalic acid dibutyl ester, a zirconium-aluminic acid ester coupling agent, rutile titanium dioxide, methylsilicone oil, a mixed solvent and a sound-absorbing material. The preparation method comprises the following steps: dissolving every 1 kg by weight of N-hydroxymethyl acrylamide in 2 kg of 50-70% ethanol in volume concentration, mixing with the polyurethane prepolymer in a reaction kettle, enabling the components to react for 1 hour at 80-150 DEG C, and adding the zirconium-aluminic acid ester coupling agent to continuously react for 2-5 hours; subsequently adding the phthalic acid dibutyl ester, rutile titanium dioxide, methylsilicone oil, mixed solvent and sound-absorbing material, and uniformly mixing, thereby obtaining a waterborne polyurethane thermal-insulating sound-absorbing coating product. The waterborne polyurethane thermal-insulating sound-absorbing coating can insulate heat and absorb sound, and is good in chemical resistance, good in temperature resistance, good in weather resistance, long in film service life, free of toxicity or smell, safe and environment-friendly and good in sound absorption effect.
Owner:GUANGXI CHAOXING SOLAR ENERGY TECH +1

Thermal insulation heat-preservation paint coating used for building external wall

The invention discloses a thermal insulation heat-preservation paint coating used for a building external wall. The thermal insulation heat-preservation paint coating is prepared from, by weight, 40-50 parts of emulsion, 1-2 parts of N-hydroxymethyl acrylamide, 6-9 parts of titanium dioxide, 4-6 parts of water, 1-2 parts of titanate coupling agent, 8-16 parts of auxiliary, 7-9 parts of mixed solvent, and 9-12 parts of thermal insulation heat-preservation material, wherein the emulsion is the mixed solution of A-102 silicone acrylic emulsion and A-99 pure acrylic emulsion in the weight ratio of 1.5:1, the auxiliary is composed of 1-2 parts of biocide mildewcide, 1-3 parts of flattening agent, 1-2 parts of pigment dispersing agent, 1-3 parts of thickening agent and 4-6 parts of film-forming agent, and the thermal insulation heat-preservation material is a mixture of hollow glass beads, expanded perlite and aluminum silicate fiber in the weight ratio of 1:1:1. The thermal insulation heat-preservation paint coating used for the building external wall is characterized by being strong in chemical resistance, good in weather resistance, good in thermal insulation heat-preservation effect, high in glossiness, long in service life of coating and the like.
Owner:广西宾阳县荣良农业科技有限公司

Polyurethane waterproof flame-retardant paint and preparation method thereof

The invention discloses a polyurethane waterproof flame-retardant paint and a preparation method thereof. The paint comprises polyurethane prepolymers, diacetone acryloamide, buty stearate, titanate coupling agent TMC-311 and titanium pigment. The paint further comprises polydimethyl siloxane, white carbon black, mixed solvent and flame-retardant materials. The preparation method comprises the following steps: dissolving the diacetone acrylamide by ethanol of which the volume concentration is 65-80%, wherein the adding amount of the ethanol is 1.5 kilograms in per kilogram of diacetone acrylamide on the basis of weight; mixing the dissolved diacetone acrylamide with the polyurethane prepolymers in a reaction kettle, wherein the reaction temperature is 75-119 DEG C and the reaction time is 1.2-1.5 hours; adding the titanate coupling agent TMC-311 into the mixture and further reacting for 3-6 hours; then adding buty stearate, the rutile-type titanium pigment, polydimethyl siloxane, the flame-retardant materials, the white carbon black and the mixed solvent into the mixture and uniformly mixing, so that the polyurethane waterproof flame-retardant paint product is obtained. The paint prepared by the preparation method is good in waterproof and flame-retardant effects, friendly to the environment and not easy to age.
Owner:GUANGXI JIKUAN SOLAR ENERGY EQUIP +1

Water-soluble polyurethane flame-retardant coating and preparation method thereof

The invention discloses water-soluble polyurethane flame-retardant coating and a preparation method thereof. The water-soluble polyurethane flame-retardant coating comprises a polyurethane prepolymer, N-hydroxymethyl acrylamide, phthalic acid dibutyl ester, a titanate coupling agent, talcum powder, light calcium carbonate, tributyl phosphate, isopropanol, a mixed solvent and a flame-retardant material. The preparation method comprises the following steps: dissolving every 1 kg by weight of N-hydroxymethyl acrylamide in 2 kg of 50-70% ethanol in volume concentration, mixing with the polyurethane prepolymer in a reaction kettle, enabling the components to react for 1 hour at 80-150 DEG C, and adding a mixture of isopropanol and a titanate coupling agent in a weight ratio of 1:1 to continuously react for 2-5 hours; subsequently adding phthalic acid dibutyl ester, talcum powder, light calcium carbonate, tributyl phosphate, the mixed solvent and the flame-retardant material, and uniformly mixing, thereby obtaining a water-soluble polyurethane flame-retardant coating product. The water-soluble polyurethane flame-retardant coating has the characteristics of good chemical resistance, good temperature resistance, good weather resistance, good stain resistance, high glossiness, long film service life and the like.
Owner:GUANGXI JIKUAN SOLAR ENERGY EQUIP +1

Water-based heavy anti-corrosion flame-retardant coating material for metal base material, and preparation method thereof

The invention belongs to the field of water-based coating materials, and particularly relates to a water-based heavy anti-corrosion flame-retardant coating material for a metal base material, and a preparation method thereof. The water-based heavy anti-corrosion flame-retardant coating material comprises a component A and a component B according to a weight ratio of 100:(20-30), wherein the component A comprises 50-60 parts of a modified epoxy resin emulsion, 10-15 parts of functionalized modified graphene, 12-18 parts of a filler, 5-10 parts of a cosolvent, 0.5-1 part of an antifoaming agent,0.5-1 part of a leveling agent, 1-2 parts of an anti-settling agent, 0.5-1 part of an anti-freezing agent, 1-1.5 parts of a thickener, 1-2 parts of a wetting agent, 1-2 parts of a dispersant and 35-45 parts of deionized water, and the component B comprises 35 to 50 parts of a curing agent and 20 to 35 parts of a cosolvent. According to the invention, the water-based heavy anti-corrosion flame-retardant coating material has the advantages of good film-forming property, high coating adhesive force, good stability, greatly improved fire resistance limit, greatly improved bonding strength, greatly improved fire resistance time, good flame retardancy, good corrosion resistance, good water resistance, good weather resistance, low cost, safety and environmental protection; and the preparation method disclosed by the invention is simple, easy to operate, high in production efficiency, available in raw materials, low in energy consumption and capable of realizing large-scale production.
Owner:CHANGZHOU UNIV

A kind of flame-retardant simulated tree bark and preparation method thereof

The invention provides a flame-retardant bark of an artificial tree and a making method thereof. The bark is prepared from the following raw materials: epoxy resin, polyaniline, carboxyl polysiloxane, heavy calcium carbonate powder, fumed silica, pigment printing paste, glass fiber, a curing agent, a fire retardant, dibutyl phthalate and a mixed solvent. The making method comprises the following steps: adding epoxy resin into a reaction vessel, then adding the mixed solvent for dissolving, adding polyaniline into the reaction vessel, mixing polyaniline with mixing under high-speed stirring, carrying out a reaction at 20 to 25 DEG C for 1 h with a pH value controlled to be 1 and then adding carboxyl polysiloxane; continuing the reaction at a temperature in a range of room temperature to 50 DEG C for 2 to 5 h; and then adding dibutyl phthalate, heavy calcium carbonate powder, fumed silica, pigment printing paste, glass fiber, the curing agent and the fire retardant, carrying out uniformly mixing under stirring, pouring the obtained mixture into a bark die placed in advance and carrying out micro-pressure standing so as to eventually obtain the flame-retardant bark of the artificial tree. The bark of the artificial tree has lifelike texture and flame retardation effect.
Owner:广西凯威铁塔有限公司

A kind of polyurethane exterior wall anticorrosion flame retardant coating and preparation method thereof

The invention discloses a polyurethane exterior-wall anti-corrosive flame-retarded coating and a preparation method thereof. The polyurethane exterior-wall anti-corrosive flame-retarded coating is prepared from the following components: polyurethane prepolymer, N-hydroxymethyl acrylamide, dioctyl terephthalate, a titanate coupling agent TMC-101, a dispersing agent ammonium polyacrylate DA40, rutile type titanium dioxide, polyoxypropylene glycerol ether, siliceous lime powder, a mixed solvent, a flame-retarded material and a preservative. The preparation method comprises the following steps: adding 1.8kg of alcohol with volume concentration of 70-85% to dissolve every kilogram of N-hydroxymethyl acrylamide to obtain a mixture; then, mixing the mixture with the polyurethane prepolymer, and adding the titanate coupling agent TMC-101 and the dispersing agent ammonium polyacrylate DA40 after reacting for 1.3-1.8 hours at a reaction temperature of 80-130 DEG C; continuously reacting for 3.5-5.5 hours; adding dioctyl terephthalate, rutile type titanium dioxide, polyoxypropylene glycerol ether, the flame-retarded material, the siliceous lime powder, the mixed solvent and the preservative to uniformly mix to obtain the polyurethane exterior-wall anti-corrosive flame-retarded coating product.
Owner:莫明鑫

Waterborne polyurethane waterproof coating and preparation method thereof

ActiveCN104774551BAvoiding Amine ProblemsAvoiding MOCA ProblemsAnti-corrosive paintsPolyurea/polyurethane coatingsCross-linkPlasticizer
The invention provides an aqueous polyurethane waterproof paint and a preparation method thereof. The paint comprises a component A and a component B, wherein the component A is composed of polyurethane performed polymer, N-methylolacrylamide and citric acid, and the component B is composed of an inorganic filling material, a plasticizer, a cross-linking agent, an emulsifier, an antifoaming agent, a catalyst, pigment and water. The preparation method comprises the following steps: successively adding N-methylolacrylamide and citric acid according to desired weight parts, carrying out stirring and heating, adding the polyurethane performed polymer in one shot before temperature rises to 62 DEG C, then carrying out heating to 82 DEG C, carrying out a reaction at a constant temperature of 83 to 85 DEG C for 2 to 3 h and then carrying out cooling to 52 to 54 DEG C so as to obtain the component A; successively adding raw materials of the component B into a reaction vessel stirrer according to desired weight parts, carrying out uniform mixing through stirring and grinding the mixed materials to a fineness of 51 to 55 [mu]m in a three-roller machine so as to obtain the component B; and uniformly mixing the component A with the component B according to a weight ratio of 1: 2 so as to obtain the aqueous polyurethane waterproof paint. The aqueous polyurethane waterproof paint has the characteristics of high temperature resistance, good weatherability, good waterproof performance, etc.
Owner:北京奥克兰防水工程有限责任公司
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