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A kind of low-shrinkage high-pressure-resistant water-based epoxy self-leveling floor coating and preparation method thereof

A water-based epoxy, low shrinkage technology, applied in the field of high-pressure-resistant water-based epoxy self-leveling floor coatings, can solve the problems of increased labor costs, low construction efficiency, poor compressive strength, etc., to improve construction efficiency and curing speed. Fast, high compressive strength

Active Publication Date: 2016-11-30
苏州宇江新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for thick-film, self-leveling water-based epoxy floor coatings, there are problems such as large shrinkage, easy cracking, shelling, falling off, and poor compressive strength in the market. Only by repeated construction to increase the thickness. Not only the construction efficiency is low, there is no self-leveling property, but also the labor cost is greatly increased. Therefore, it is very necessary to develop a high-pressure water-based epoxy self-leveling floor coating with minimal shrinkage

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] Embodiment 1: A kind of low-shrinkage, high-pressure-resistant water-based epoxy self-leveling floor paint, comprising: 20 parts of water-based epoxy curing agent, 10 parts of surfactant, 5 parts of thixotropic wetting agent, 80 parts of filler, 10 parts of water, 15 parts of liquid epoxy resin, 5 parts of toughening agent.

[0009] Among them, the water-based epoxy curing agent is a modified alicyclic amine with an amine value of 130-160; the surfactant is a styrylphenol polyoxyethylene ether with an HLB value of 18; the thixotropic wetting agent is a polyurethane compound; The epoxy equivalent of epoxy resin is 180-190 bisphenol A type epoxy resin, and the toughening agent is a compound containing flexible chain segment, ether bond and epoxy group in the molecule.

[0010] The preparation method of the above-mentioned low-shrinkage and high-pressure-resistant water-based epoxy self-leveling floor coating includes the following steps: first, the water-based epoxy curin...

Embodiment 2

[0011] Embodiment 2: A kind of low-shrinkage, high-pressure-resistant water-based epoxy self-leveling floor paint, comprising: 15 parts of water-based epoxy curing agent, 10 parts of surfactant, 3 parts of thixotropic wetting agent, 60 parts of filler, 15 parts of water, 12 parts of liquid epoxy resin, 3 parts of toughening agent.

[0012] Among them, the water-based epoxy curing agent is a modified alicyclic amine with an amine value of 130-160; the surfactant is a styrylphenol polyoxyethylene ether with an HLB value of 15; the thixotropic wetting agent is a polyurethane compound; The epoxy equivalent of epoxy resin is 180-190 bisphenol A type epoxy resin, and the toughening agent is a compound containing flexible chain segment, ether bond and epoxy group in the molecule.

[0013] The preparation method of the above-mentioned low-shrinkage high-pressure-resistant water-based epoxy self-leveling floor coating includes the following steps: first, add the water-based epoxy curin...

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PUM

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Abstract

The invention discloses a low-shrinkage, high-pressure-resistant water-based epoxy self-leveling floor coating and a preparation method thereof, which comprises the following components in parts by weight: 15-20 parts of a water-based epoxy curing agent, 10-15 parts of a surfactant, Thixotropic wetting agent 3-5 parts, filler 60-80 parts, water 10-30 parts, liquid epoxy resin 10-15 parts, toughening agent 5-10 parts. The water-based epoxy floor coating of the present invention has the characteristics of extremely small shrinkage, high compressive strength, excellent fluidity, fast curing speed, no organic volatile matter and excellent chemical resistance, basically solving the shrinkage rate of ordinary water-based epoxy floor coatings Large size, low compressive strength, easy shelling, roll-up, and falling off of the coating, not only greatly improve the service life of the water-based epoxy floor coating, but also effectively improve the construction efficiency, reduce the cost of use, and the technical effect is good And very environmentally friendly.

Description

Technical field: [0001] The invention relates to a high-pressure-resistant water-based epoxy self-leveling paint with a very small shrinkage rate, in particular to a self-leveling water-based epoxy paint applied to a thick film type (more than 2mm thick). Background technique: [0002] Water-based epoxy floor coatings have the characteristics of environmental protection, low organic volatiles, non-flammable and explosive, etc., especially the popularization of people's awareness of environmental protection and the improvement of environmental protection requirements. In recent years, water-based epoxy floor coatings have been more and more widely researched and applied. . However, for thick-film, self-leveling water-based epoxy floor coatings, there are problems such as large shrinkage, easy cracking, shelling, falling off, and poor compressive strength in the market. Only by repeated construction to increase the thickness. Not only the construction efficiency is low, there...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B26/14C04B111/62
Inventor 谢世峰
Owner 苏州宇江新材料有限公司