The invention discloses a preparation method of an environmental-protection polyurethane waterproof coating. The preparation method comprises the following steps: 1) preparing a component A, namely a polyurethane prepolymer; 2) preparing a component B, namely a pigment filler; and 3) adding the pigment filler into 20-30 parts of the polyurethane prepolymer, adding a thickening agent, stirring for 1-2 h, and discharging to obtain the environmental-protection polyurethane waterproof coating. The new-generation double-component environmental-protection color polyurethane waterproof coating which contains no any solvent, has high solid content, has no pollution during a construction process, and has stable film coating performance, adjustable colors and excellent cost performance is prepared with a chlorinated paraffin liquid and industrial waste slag fly as a mixed filler.

Preparation method of polyurethane waterproof coating

The invention provides an environmentally-friendly flame-retardant polymer cement waterproof coating. The coating comprises a liquid material and a powder material. A weight ratio of the liquid material to the powder material is (1 to 0.8) to (1 to 1.5). The liquid material comprises the following components in parts by weight: 65-85 parts of ethylene-vinyl acetate emulsion, 0.1-0.7 parts of an emulsifier, 1-17 parts of a plasticizer, 0.3-0.7 parts of a defoamer, 0.4-0.6 parts of a dispersant, 10-15 parts of water and 0.1-0.4 parts of a preservative. The powder material comprises the following components in parts by weight: 25-35 parts of cement, 20-30 parts of heavy calcium carbonate, 20-30 parts of quartz powder, 5-10 parts of polytetrafluoroethylene micropowder, 5-10 parts of micro-capsulated red phosphorus and 0.1-0.5 parts of a water reducer. The waterproof coating is environmentally-friendly; no organic matters are volatilized; and the waterproof coating is a nonflammable material.

Environmentally-friendly flame-retardant polymer cement waterproof coating and production process therefor

The invention relates to a polymer cement waterproof material and a preparation method thereof. The polymer cement waterproof material comprises silicate cement, a polyacrylate/polyurethane composite emulsion, a water reducing agent, fibers, river sands and other materials according to a certain weight proportion. The polymer cement waterproof material has the characteristics, such as high strength and easiness of adhesion to wet substrate, of cement gel materials, and also has the characteristics, such as high elasticity and good water resistance, of polymer coatings. The polymer cement waterproof material is mainly applied to waterproofing in various industrial constructions, civil constructions, bridges, tunnels, traffic transportation and other industries and fields.

Polymer cement waterproof material and preparation method thereof

The invention discloses high-strength polyurethane waterproof paint which comprises a component A and a component B, wherein the component A and the component B are mixed uniformly at a weight ratio of 2:1 when in use; the component A is prepared from the following raw materials: trifunctional polyether polyol, bifunctional polyether polyol, a hydroxyl-terminated phthalic polyol oligomer, a chlorinated diaminodiphenylmethane crosslinking agent, an iron oxide red pigment, aedelforsite fillers, calcium carbonate fillers, 80-100 parts of plasticizer, an antioxidant 264, liquid and/or solid coumarone resin and a silane defoamer; the component B is prepared from the following raw materials: trifunctional polyether polyol, bifunctional polyether polyol, a polyol benzoate plasticizer and isomerized diphenyl methane diisocyanate. The polyurethane waterproof paint has the characteristics of high tensile strength, high breaking elongation rate, tear resistance, water tightness, damp-heat aging resistance, chemical corrosion resistance, relatively low cost and the like, and is especially suitable for water prevention of railway concrete bridge surfaces with high strength requirements.

High-strength polyurethane waterproof paint

The present invention provides a polymer cement RG waterproof coating. The coating comprises a liquid material and a powder material, wherein the liquid material comprises an emulsion, an NXZ defoamer, an A10 defoamer, a dispersant, a thickener, a preservative, and water; the powder material comprises white cement and heavy calcium. The present invention also provides a polymer cement RG waterproof coating. The coating comprises a liquid material and a powder material. The feedstock of the liquid material is as follows in parts of weight: 90 parts of a modified polyacrylic elastic emulsion, 10 parts of a VAE emulsion, 50 parts of an SD-5281 nanometre silicone-acrylic emulsion, 60 parts of an SD-628 tertiary fluoro emulsion, 8 parts of a sodium polycarboxylic acid dispersing agent, 10 parts of a DR-7010 thickener, 5 parts of the A10 defoamer, 5 parts of a compound preservative, and 20 parts of water. The invention has the advantages of good impermeability, high tensile strength, high breaking elongation, and high bond strength.

Polymer cement RG waterproof coating and preparation method therefor

A dual-component high-strength polyurethane water proof coating contains A and B components; A component consists of polyether dibasic alcohol 120-200 proportion, polyether trivalent alcohol 40-180 proportion, toluene diisocyanate 47-80 proportion, dibutyl ester 1.5-3 proportion, and tartaric acid 0.1-1 proportion. B component consists of filling oil 50-90 proportion, paraffin chloride 20-50 proportion, dibutyl ester 10-30 proportion, 3,3-dichloro-4,4-diphenyl-methane-diamine 45-70 proportion, poly-ether trivalent alcohol 60-360 proportion, hydrated magnesium silicate 50-60 proportion, kaolin10-50 proportion, heavy calcium carbonate 50-60 proportion, iron oxide brown or carbon black 3.5-4.5 proportion, de-foaming agent 0.2-0.5 proportion, and dibutyltin dilaurate 0.2-0.5 proportion. It'sconvenient and cheap, has excellent adhesion, strength and extensibility and more solid content and no environmental pollution. It can be used for foundation construction and municipal traffic engineering.

Bi-component high-strength polyurethane waterproofing paint

The invention provides a flame retardant polymer cement-based composite water proof coating, which consists of organic liquid and inorganic powder. The organic liquid consists of acrylate elastic emulsion, chloride emulsion, trimeric sodium phosphate and tributyl phosphate. The inorganic powder consists of cement, quartz sand, grammite, aluminium hydroxide and chloroparaffin. The weight mixture ratio between the organic liquid and the inorganic powder is 1 : 1 to 1 : 2 and the weight mixture ratio of each component is 1 of acrylate elastic emulsion, 0.1 to 0.4 of chloride emulsion, 0.01 to 0.05 of trimeric sodium phosphate, 0.01 to 0.05 of tributyl phosphate, 0.4 to 1.2 of Portland cement, 0.1 to 0.3 of quartz sand, 0.1 to 0.3 of grammite, 0.5 to 1.0 of aluminium hydroxide and 0.1 to 0.3 of chloroparaffin. The water paint prepared by the invention is a safe and environmentally friendly polymer cement composite water proof coating of new generation.

Limin Xu

Papers

Bi-component high-strength polyurethane waterproofing paint

Flame-proof type polyalcohol cement basis composite water-proof paint