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Novel polymer cement waterproof coating and preparation method thereof

A technology of waterproof coatings and polymers, applied in the direction of cement coatings, coatings, etc., can solve the problems of easy falling off of waterproof materials, achieve the effect of enhanced viscosity, strong tensile strength and viscosity, and expand market space

Pending Publication Date: 2022-03-18
深圳市力天防水实业有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a novel polymer cement waterproof coating and preparation method thereof, to solve the problem that the waterproof material is easy to fall off in the above-mentioned background technology

Method used

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Embodiment Construction

[0020] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than Full examples. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall belong to the protection scope of the present invention.

[0021] Unless otherwise specified, various raw materials, reagents, instruments and equipment used in the present invention can be purchased from the market or prepared by existing methods.

[0022] According to an example of the present invention, a novel polymer cement waterproof coating is provided, and the liquid material includes the following components by weight: 200-210 parts of acrylic emulsion, 2-3 parts of defoamer, 1-2 parts...

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Abstract

The invention belongs to the technical field of waterproof building materials, and discloses a novel polymer cement waterproof coating and a preparation method thereof, liquid materials comprise 200-210 parts of an acrylic emulsion, 2-3 parts of a defoaming agent, 1-2 parts of a dispersing agent, 2-3 parts of a coalescing agent, 3-5 parts of a water reducing agent, 1-2 parts of a wetting agent, 30-50 parts of water, 1-2 parts of a cement reinforcing agent, 1-2 parts of a thickening agent and 6-10 parts of a silane coupling agent; the powder material is prepared from 200 to 210 parts of cement, 30 to 50 parts of wollastonite powder, 30 to 40 parts of ground calcium carbonate and 20 to 30 parts of quartz sand. The novel polymer cement waterproof coating provided by the invention has relatively high tensile strength and viscosity, and the viscosity of the coating is improved by the silane coupling agent, so that the market space of the waterproof coating is expanded.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a novel polymer cement waterproof coating and a preparation method thereof. Background technique [0002] Waterproof coatings are indispensable auxiliary materials in the construction industry. Polymer cement waterproof coatings are organic liquid materials composed of polymer emulsions such as polyacrylate emulsions, ethylene-vinyl acetate copolymer emulsions, and various additives. Its working mechanism is mainly due to the hydration and mixing of the polymer emulsion and cement, resulting in a chemical reaction. The water in the polymer emulsion inside the coating is absorbed by the cement, part of the water is volatilized, and the other part produces calcium silicate hydrate and other products. After dehydration, the mixture cement particles and polymers are gradually approached and connected to each other, forming a cement hydration surface and surroun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D1/08C09D7/61
CPCC09D133/00C09D1/08C09D7/61C08K2003/265C08K3/34C08K3/26C08K3/36
Inventor 范祥福李艳玲
Owner 深圳市力天防水实业有限公司
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