Biomass waterproof coating and preparation method thereof

A waterproof coating and biomass technology, applied in the field of coatings, can solve the problems of secondary pollution, low tensile strength and elongation at break, etc., and achieve the effect of easy operation and strong practicability

Active Publication Date: 2017-01-18
山东天汇防水股份有限公司
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AI Technical Summary

Problems solved by technology

Asphalt-based waterproof coatings have low tensile strength and elongation at break after film formation, and are prone to secondary pollution

Method used

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Embodiment 1

[0045] A kind of biomass waterproof coating and preparation method thereof, described waterproof coating comprises component A superhydrophobic material and component B coating composition, by mass and number ratio, each composition of raw material is as follows:

[0046] Component A superhydrophobic material: 5 parts of graphene, 15 parts of mixed acid solution, 6 parts of aminoethoxysilane-toluene mixed solution, 6 parts of perfluoroamide methacrylate and 20 parts of methanol solution;

[0047] Component B coating composition: 20 parts of lignin, 30 parts of sweet potato cationic etherified starch, 18 parts of diatom mud, 10 parts of ash calcium (calcium hydroxide content is 90%, whiteness is 90%, particle size is 1200 mesh) 11 parts of heavy calcium (calcium carbonate content is 97%, whiteness is 90%, particle size is 1200 mesh), 0.5 parts of polyoxypropylene oxide glyceryl ether, 0.8 parts of polyacrylamide and 20 parts of deionized water;

[0048] The preparation method i...

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Abstract

The invention discloses a biomass waterproof coating and a preparation method thereof. The coating consists of two parts: a component A super-hydrophobic material and a component B coating composition; the component A super-hydrophobic material comprises, in parts by mass, 2-10 parts of graphene, 15-30 parts of a mixed acid solution, 5-12 parts of an amino ethyoxyl silane-toluene mixed liquid, 5-12 parts of fluoroacrylate, and 20-35 parts of a methanol solution and is prepared by covering the surface of graphene with two layers of waterproof films through a dip coating method; the component B coating composition is prepared from the ingredients in parts by mass: 20-30 parts of lignin, 20-30 parts of starch, 16-18 parts of diatom ooze, 10-12 parts of ash-calcium, 11-15 parts of heavy carbonate calcium, 0.5-1 part of a defoaming agent, 0.8-1 part of a dispersing agent and 15-30 parts of deionized water; the waterproof coating is prepared by mixing the component A super-hydrophobic material and the component B coating composition. The biomass waterproof coating adopts starch, lignin, diatom ooze and other biomass raw materials, and has environmental-protection significance in both production and application; with addition of the super-hydrophobic material, the strength, heat dissipation, thermal conductivity and other properties of the coating are improved while a coating layer is endowed with more uniform and better waterproof performance.

Description

technical field [0001] The patent of the invention belongs to the technical field of coatings, and in particular relates to a biomass waterproof coating and a preparation method thereof. Background technique [0002] Existing architectural waterproof coatings mainly include polyurethane waterproof coatings, polymer cement waterproof coatings, asphalt waterproof coatings and modified emulsified bitumen waterproof coatings, polymer bitumen waterproof coatings, silicone rubber waterproof coatings, etc. Among them, polyurethane waterproof coating has certain toxicity, and the construction base layer must be dry, and the two-component has a certain ratio, and the construction requirements are strict. Bituminous waterproof coatings have low tensile strength and elongation at break after film formation, and are prone to secondary pollution. Polymer cement waterproof coating is an environmentally friendly high-strength waterproof coating that is currently more respected, but the ex...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/08C09D197/00C09D7/12
CPCC08L2205/035C09D7/61C09D7/62C09D7/65C09D103/08C08L97/005C08L33/26C08K13/06C08K9/04C08K9/06C08K3/04C08K7/26C08K2003/265C08K2003/2206
Inventor 赵国庆王峰周俊华王华王治国
Owner 山东天汇防水股份有限公司
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