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Single-component moisture-curable waterproof, protective and thermochromic coating and preparation method thereof

A thermochromic, moisture-curing technology, used in polyurea/polyurethane coatings, coatings, etc., can solve problems such as poor weather resistance, achieve simple and easy preparation methods, reduce eye glare, and have obvious thermochromic effects. Effect

Inactive Publication Date: 2015-12-02
深圳大禹建设实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The present invention aims to overcome the defects of poor weather resistance of the existing exterior wall coatings, and provides a new type of waterproof protective coating and its preparation method

Method used

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  • Single-component moisture-curable waterproof, protective and thermochromic coating and preparation method thereof
  • Single-component moisture-curable waterproof, protective and thermochromic coating and preparation method thereof
  • Single-component moisture-curable waterproof, protective and thermochromic coating and preparation method thereof

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Embodiment 3

[0047] The third group (embodiment 3.1-3.3)

[0048] raw material: waterproof film former Component A is two-terminal amino polyether (trade name PEA, molecular weight 2000), and component B is γ-glycidyl etheroxypropyl trimethoxysilane (trade name A-187, used as an end-sealing agent). UV blocker It is yellow or red or green transparent nanometer ferric oxide. temperature Chromogenic agent No, due to the complexation of yellow or red or green transparent nanometer ferric oxide with organic amine dispersants, it has slight reversible discoloration on high-temperature walls exposed to sunlight, and there is no need to add additional thermochromic agents . Dispersant It is a monoalkylamine with a carbon number of C18, and it has a slight reversible discoloration property when complexed with nanometer ferric oxide. Thinner It is ethyl acetate, the viscosity of the finished product is 10-30mPa.s, suitable for manual brushing and mechanical spraying.

[0049] preparatio...

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Abstract

The invention relates to the field of preparation of waterproof and protective coatings of exterior walls of buildings, and particularly discloses a single-component moisture-curable waterproof, protective and thermochromic coating and a preparation method thereof. The single-component moisture-curable waterproof, protective and thermochromic coating comprises the following components in part by weight: 100 parts of waterproof filmogen, 0.5-25 parts of ultraviolet isolating agents, 0-15 parts of thermochromic agents, 0-3 parts of dispersing agents and 0-100 parts of diluents. By the single-component moisture-curable waterproof, protective and thermochromic coating, water can be effectively isolated from a protected inkjet decorative coat, corrosion of acid rain on the inkjet decorative coat is also avoided, and a thermochromic effect is obvious and adjustable. When the thickness of the coat of the coating ranges from 0.1-0.5 micrometers, half-life period of tensile strength and elongation at break is longer than 8 years, and rate of isolation on ultraviolet rays can reach 86%. The preparation method is simple and practicable, and can be used for industrial production.

Description

【Technical field】 [0001] The invention relates to the technical field of waterproof and protective coatings for exterior walls of buildings, in particular to a one-component moisture-curing waterproof protective and thermochromic coating and a preparation method thereof. 【Background technique】 [0002] With the acceleration of urbanization, the increasing scale of cities and the increasing density of buildings not only bring convenience to life, but also make people's living environment and visual space oppressive, and have a negative impact on people's mental health. . [0003] For this reason, architects strive to improve the engineering aesthetics structure. However, these current methods have insurmountable defects, such as: glass curtain wall, although beautiful, is prone to sunlight reflection and focus pollution; covered tiles, although the beautification effect is good But it is easy to weather and fall off, causing safety hazards. [0004] Color coatings have attr...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D175/08C09D175/14C09D7/12
Inventor 郭倩梁江华梁卫民夏伟
Owner 深圳大禹建设实业有限公司
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