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Polyurethane waterproof coating and preparation method thereof

A polyurethane waterproofing and polyurethane technology, applied in polyurea/polyurethane coatings, polyester coatings, antifouling/underwater coatings, etc., can solve the problems of low strength, poor flame retardant effect, poor adhesion performance, etc., to achieve waterproof Good performance, high strength, and the effect of improving the bonding effect

Inactive Publication Date: 2020-04-10
广东向诚新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] There are following major defects in existing polyurethane waterproof coatings: (1) existing polyurethane waterproof coatings are generally not resistant to low temperature, low in strength, and poor in elasticity; (2) waterproof performance is not good; (3) flame retardant effect is poor; ( 4) Poor antibacterial properties; (5) Poor adhesive properties

Method used

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  • Polyurethane waterproof coating and preparation method thereof
  • Polyurethane waterproof coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A polyurethane waterproof coating provided in this embodiment includes raw materials according to the following proportions: 40-45 parts of high-strength hydrophobic polyurethane, 3-8 parts of epoxy resin, 20-25 parts of short oil alkyd resin, petroleum 12-15 parts of asphalt, 1-2 parts of carbon black, 2-3 parts of polyethylene oxide, 0.2-0.6 parts of calcium lignosulfonate, 1-2 parts of highly active fluorotitanium, 2-5 parts of nano-silica, 5-10 parts of hot melt adhesive, 3-5 parts of high-density polyethylene, 3-6 parts of nano-graphene, 4-8 parts of nano-antimony tin oxide, 2-3 parts of polypropylene fiber, 1-3 parts of nano-alumina, 2-3 parts of methyl parathion, 3-8 parts of bentonite, 3-6 parts of a mixture of polyvinyl chloride wax and castor oil, 2-5 parts of coupling agent, 1-3 parts of cyclohexanone, high-efficiency antibacterial components 5-15 parts, 4-8 parts of antifungal agent, 0.1-0.4 parts of defoamer, 1-2 parts of ultraviolet light absorber, 1-3 par...

Embodiment 2

[0033] A kind of polyurethane waterproof coating provided in the present embodiment comprises raw materials according to the following ratios: 40 parts of high-strength hydrophobic polyurethane, 3 parts of epoxy resin, 20 parts of short oil alkyd resin, 12 parts of petroleum pitch, carbon black 1 part, 2 parts of polyethylene oxide, 0.2 parts of calcium lignosulfonate, 1 part of highly active titanium fluoride, 2 parts of nano-silica, 5 parts of hot melt adhesive, 3 parts of high-density polyethylene, 3 parts of nano-graphene , nano-tin antimony oxide 4 parts, polypropylene fiber 2 parts, nano-alumina 1 part, methyl parathion 2-3 parts, bentonite 3 parts, polyvinyl chloride wax and castor oil mixture 3 parts, coupling agent 2 1-3 parts of cyclohexanone, 5 parts of high-efficiency antibacterial components, 4 parts of fungicides, 0.1 parts of defoamers, 1-2 parts of ultraviolet light absorbers, and 1 part of flame retardants.

[0034] Further, the high-efficiency antibacterial c...

Embodiment 3

[0043]A kind of polyurethane waterproof coating provided in this embodiment, comprises the raw material according to the following ratio: 41 parts of high-strength hydrophobic polyurethane, 4 parts of epoxy resin, 21 parts of short oil alkyd resin, 13 parts of petroleum pitch, carbon black 1.5 parts, 2.5 parts of polyethylene oxide, 0.3 parts of calcium lignosulfonate, 1.5 parts of highly active fluorotitanium, 3 parts of nano-silica, 6 parts of hot melt adhesive, 3.5 parts of high-density polyethylene, 4 parts of nano-graphene , 5 parts of nano-tin antimony oxide, 2.5 parts of polypropylene fiber, 2 parts of nano-alumina, 2.5 parts of methyl parathion, 4 parts of bentonite, 4 parts of a mixture of polyvinyl chloride wax and castor oil, 3 parts of coupling agent, 2 parts of cyclohexanone, 6 parts of high-efficiency antibacterial components, 5 parts of fungicides, 0.2 parts of defoamers, 4.5 parts of ultraviolet light absorbers, and 2 parts of flame retardants.

[0044] Further...

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Abstract

Polyurethane waterproof coating is disclosed, including following raw materials by weight: 40-45 parts of high-strength hydrophobic polyurethane, 3-8 parts of epoxy resin, 20-25 parts of short-oil alkyd resin, 12-15 parts of petroleum asphalt, 1-2 parts of carbon black, 2-3 parts of polyethylene oxide, 0.2-0.6 part of calcium lignosulfonate, 1-2 parts of highly active titanium fluoride, 2-5 partsof nano silica, 15-20 parts of a hot-melt adhesive, 3-5 parts of high-density polyethylene, 3-6 parts of nanometer graphene, 4-8 parts of nano tin antimony oxide, 2-3 parts of polypropylene fibers, 1-3 parts of nano alumina, 2-3 parts of parathion-methyl, 3-8 parts of bentonite, 3-6 parts of a mixture of polyvinyl chloride wax and castor oil, 2-5 parts of a coupling agent, 1-3 parts of cyclohexanone, 5-15 parts of a highly effective antibacterial component, 4-8 parts of an antifungal agent, 0.1-0.4 part of a defoaming agent, 1-2 parts of an ultraviolet absorber and 1-3 parts of a flame retardant. The coating has the advantages of high antibacterial property, strong adhesion and good waterproof property.

Description

technical field [0001] The invention relates to the technical field of waterproof coatings, in particular to a polyurethane waterproof coating and a preparation method thereof. Background technique [0002] Polyurethane waterproof coatings are prepolymers containing isocyanate groups formed by addition polymerization of isocyanate and polyether, together with catalysts, anhydrous additives, anhydrous fillers, solvents, etc., and processed through mixing and other processes One-component polyurethane waterproof coating. [0003] There are following major defects in existing polyurethane waterproof coatings: (1) existing polyurethane waterproof coatings are generally not resistant to low temperature, low in strength, and poor in elasticity; (2) waterproof performance is not good; (3) flame retardant effect is poor; ( 4) Poor antibacterial property; (5) Poor adhesive performance. Contents of the invention [0004] The purpose of the present invention is to provide a kind of...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D163/00C09D167/08C09D195/00C09D5/14C09D7/65
CPCC08L2205/035C08L2205/16C09D5/14C09D175/04C09D7/65C08L63/00C08L67/08C08L95/00C08L23/06C08L23/12C08L27/06C08L91/00
Inventor 陈诚
Owner 广东向诚新材料有限公司
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