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High-strength polyurethane waterproof coating and preparation method thereof

A polyurethane waterproof and high-strength technology, used in polyurea/polyurethane coatings, polyester coatings, fire-resistant coatings, etc., can solve the problem of no improvement in curing performance, and achieve good curing effect, low curing shrinkage, resistance to resistance. good burning effect

Active Publication Date: 2019-10-01
潍坊市晨鸣新型防水材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, among high-strength polyurethane waterproof coatings, Chinese patent application number 201610249143.5 provides a coating with high strength, good adhesion, and excellent waterproof performance, but its curing performance has not been improved.

Method used

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  • High-strength polyurethane waterproof coating and preparation method thereof

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Embodiment 1

[0029] Embodiment 1 A kind of high-strength polyurethane waterproof coating

[0030] A kind of high-strength polyurethane waterproof coating of the present invention comprises:

[0031] Aromatic diisocyanate, polyurethane emulsion, ordinary Portland cement, short oil alkyd resin, surface modifier, water reducing agent, choline chloride, hexacyclic stone powder, titanium carbonitride, organic bismuth, polyphenylene disulfide Polyol formate, polyglucosamine, wollastonite, hemihydrate fiber white gypsum powder, aluminum diethylphosphinate, titanate coupling agent, glycidyl tertiary carbonate, ammonium dimethylsulfonate.

[0032] In parts by weight, it includes: 65-85 parts of aromatic diisocyanate, 32-38 parts of polyurethane emulsion, 35-40 parts of ordinary portland cement, 12-16 parts of short oil alkyd resin, and 10-12 parts of surface modifier 1-4 parts of superplasticizer, 1-3 parts of choline chloride, 4-6 parts of hexacyclite powder, 0.5-2 parts of titanium carbonitride,...

Embodiment 2

[0044] Embodiment 2 A kind of high-strength polyurethane waterproof coating

[0045] Same as Example 1, the only difference is that the parts by weight are different: specifically, a high-strength polyurethane waterproof coating in this embodiment, according to parts by weight, includes: 85 parts of aromatic diisocyanate, 38 parts of polyurethane emulsion, ordinary silicate 36 parts of cement, 13 parts of short oil alkyd resin, 11 parts of surface modifier, 3 parts of water reducer, 2 parts of choline chloride, 5 parts of hexacyclic stone powder, 1.5 parts of titanium carbonitride, 1.5 parts of organic bismuth , 23 parts of polyol phthalate, 22 parts of polyglucosamine, 7 parts of wollastonite, 4 parts of hemihydrate fiber white gypsum powder, 8 parts of aluminum diethylphosphinate, 11 parts of titanate coupling agent , 10 parts of glycidyl tertiary carbonate, 9 parts of ammonium dimethylsulfonate.

Embodiment 3

[0046] Embodiment 3 A kind of high-strength polyurethane waterproof coating

[0047] Same as Example 1, the only difference is that the parts by weight are different: specifically, a high-strength polyurethane waterproof coating in this embodiment, according to parts by weight, includes: 85 parts of aromatic diisocyanate, 32 parts of polyurethane emulsion, ordinary silicate 40 parts of cement, 12 parts of short oil alkyd resin, 12 parts of surface modifier, 4 parts of water reducing agent, 3 parts of choline chloride, 6 parts of hexacyclic stone powder, 0.5 parts of titanium carbonitride, 5 parts of organic bismuth , 20 parts of polyol polyphthalate, 24 parts of polyglucosamine, 8 parts of wollastonite, 2 parts of hemihydrate fiber white gypsum powder, 12 parts of aluminum diethylphosphinate, 16 parts of titanate coupling agent , 9 parts of glycidyl tertiary carbonate, 10 parts of ammonium dimethylsulfonate.

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Abstract

The invention provides a high-strength polyurethane waterproof coating and a preparation method thereof. The high-strength polyurethane waterproof coating comprises the following components of aromatic diisocyanate, polyurethane emulsion, common portland cement, short oil alkyd resin, a surface modifying agent, a water reducing agent, choline chloride, far-infrared powder, titanium carbonitride, organic bismuth, polyalkyl phthalate, glucosaminoglycan, wollastonite, semi-hydrated fiber white gypsum powder, aluminum diethyl phosphonate, a titanate coupling agent, tertiary glycidyl carbonate anddimethyl ammonium sulphonate. The high-strength polyurethane waterproof coating has the advantages that the curing shrinkage rate is low, the produced inner stress is small, and the curing shrinkage rate is 0.09 to 0.12%; the tensile strength is excellent, and is 3.8 to 4.2MPa.

Description

technical field [0001] The invention belongs to the technical field of waterproof materials, and relates to a high-strength polyurethane waterproof coating, in particular to a high-strength polyurethane waterproof coating and a preparation method thereof. Background technique [0002] High-strength polyurethane waterproof coating, high strength, good elasticity, strong adhesion, excellent physical properties. It can be thickly coated, and the coating film is dense and free of air bubbles. It is an environmentally friendly paint, does not contain benzene solvents, does not contain coal tar components, and has no pollution to the environment. Liquid, cold construction, safe and convenient construction. Acid and alkali resistance, corrosion resistance, heat resistance, cold resistance, strong impermeability. [0003] At present, among high-strength polyurethane waterproof coatings, Chinese patent application number 201610249143.5 provides a coating with high strength, good a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D167/08C09D5/18C09D7/61C09D7/63
CPCC08L2201/02C08L2205/03C09D5/18C09D175/04C09D7/61C09D7/63C08L67/08C08L67/00C08K13/02C08K5/29C08K3/34C08K5/5313C08K5/10
Inventor 王志强张玉山王玉波陈翠玲
Owner 潍坊市晨鸣新型防水材料有限公司