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Heat insulation waterproof waterborne coating

A technology of water-based coatings, pigments and fillers, which can be used in coatings and other directions to solve the problems of unsatisfactory waterproofing and heat resistance of coatings.

Inactive Publication Date: 2010-09-15
HUIZHOU GUCHENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the improvement of people's living standards, various buildings have emerged. Coatings are widely used in the interior and exterior walls of buildings, floors, pipes and other decorations, but the waterproof and heat protection of many coatings is not satisfactory.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] A heat-insulating and waterproof water-based coating is composed of 41wt% of film-forming emulsion, 53wt% of pigment and filler, 2.77-8wt% of additives, and clear water as the balance. The weight percent of pigments and fillers in the entire water-based paint is composed of titanium dioxide 8-11wt%, mica powder 8.8-9wt%, heavy calcium powder 3-4wt%, light calcium powder 7-8wt%, talc powder 5-7wt%, kaolin 2.2-3wt%, phosphorus powder 2-4wt%, hollow glass microsphere powder 5-8wt%. The weight percentage of preferred additives in the whole water-based paint is composed of 0.1~0.2wt% dispersant, 0.08~0.1wt% lubricant, 0.1~1.2wt% leveling agent, 0.7~1wt% defoamer, 1.0% plasticizer ~3.2wt%, antifreeze 0.7~1.3wt%, preservative 0.09~1.0wt%. According to the inspection standard Q / HZGC01-2006 "Organic Polymer Waterproof Coatings", the coatings prepared with this ratio have excellent properties. As shown in Table 1, the coatings have excellent waterproof and heat insulation proper...

Embodiment 2

[0013] A heat-insulating and waterproof water-based coating is composed of 42wt% of film-forming emulsion, 50wt% of pigments and fillers, 2.77-8wt% of additives, and clear water as the balance. The weight percent of pigments and fillers in the entire water-based paint is composed of titanium dioxide 8-11wt%, mica powder 8.8-9wt%, heavy calcium powder 3-4wt%, light calcium powder 7-8wt%, talc powder 5-7wt%, kaolin 2.2-3wt%, phosphorus powder 2-4wt%, hollow glass microsphere powder 5-8wt%. The weight percentage of preferred additives in the whole water-based paint is composed of 0.1~0.2wt% dispersant, 0.08~0.1wt% lubricant, 0.1~1.2wt% leveling agent, 0.7~1wt% defoamer, 1.0% plasticizer ~3.2wt%, antifreeze 0.7~1.3wt%, preservative 0.09~1.0wt%. According to the inspection standard Q / HZGC01-2006 "Organic Polymer Waterproof Coatings", the coatings prepared with this ratio have excellent properties. As shown in Table 1, the coatings have excellent waterproof and heat insulation prop...

Embodiment 3

[0015] A heat-insulating and waterproof water-based coating is composed of 43% by weight of film-forming emulsion, 44% by weight of pigment and filler, 2.77-8% by weight of additives, and the balance is clear water. The weight percent of pigments and fillers in the entire water-based paint is composed of titanium dioxide 8-11wt%, mica powder 8.8-9wt%, heavy calcium powder 3-4wt%, light calcium powder 7-8wt%, talc powder 5-7wt%, kaolin 2.2-3wt%, phosphorus powder 2-4wt%, hollow glass microsphere powder 5-8wt%. The weight percentage of preferred additives in the whole water-based paint is composed of 0.1~0.2wt% dispersant, 0.08~0.1wt% lubricant, 0.1~1.2wt% leveling agent, 0.7~1wt% defoamer, 1.0% plasticizer ~3.2wt%, antifreeze 0.7~1.3wt%, preservative 0.09~1.0wt%. According to the inspection standard Q / HZGC01-2006 "Organic Polymer Waterproof Coatings", the coatings prepared with this ratio have excellent properties. As shown in Table 1, the coatings have excellent waterproof an...

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Abstract

The invention discloses a heat insulation waterproof waterborne coating which comprises the following compositions in percentage by weight: 40-48wt% of film forming emulsion, 41-54 wt% of pigment filler, 2.77-8 wt%of additive and the balance of clear water, wherein the film forming emulsion is ethylene-vinyl acetate copolymer EVA and acrylic copolymer emulsion, the pigment filler is one or multiple kinds of titanium dioxide, mica powder, heavy calcium powder, light calcium powder, talcum powder, kaolin, phosphatic powder and hollow tiny glass powder or all of the substances, and the additive is one or multiple kinds of dispersant, lubricant, flow agent, defoamer, plasticizer, antifreeze and preservative or all of the substances which are usually used by technicians of the field. The coating has the advantages of excellent heat insulation and waterproof performance, favorable environmental protection, difficult pulverization, fast drying and simple and convenient construction.

Description

technical field [0001] The invention relates to a coating, in particular to a water-based coating applied to various buildings, walls, floors, light boards, large boards, slats, etc. for heat insulation, waterproofing and anti-corrosion. Background technique [0002] Along with the raising of people's living standard, various buildings also arise at the historic moment, and coating is widely used in the interior and exterior wall body of building, floor floor surface, pipeline etc. decoration, but the waterproof and heat protection of a lot of coatings is not satisfactory. Chinese patent CN1560142 discloses a waterproof, heat-insulating, and flame-retardant coating, which includes auxiliary materials and base materials. The parts by weight of the main materials are: 5-16 parts of pentaerythritol, 0.2-6 parts of antimony trioxide, 0.2 to 6 parts of chlorinated paraffin, 2 to 20 parts of mica, and 2 to 20 parts of sepiolite; the main ingredients include 1 to 11 parts of melami...

Claims

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Application Information

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IPC IPC(8): C09D123/08C09D131/04C09D133/00C09D7/12
Inventor 李雪松卢明德毛国亮
Owner HUIZHOU GUCHENG TECH
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