Building waterproof exterior wall water-based paint and spraying method thereof

A technology for building waterproof and water-based paint, applied in building components, building insulation materials, coatings, etc., can solve the problems of difficult construction, water resistance, poor hardness, etc. Effect

Pending Publication Date: 2021-02-19
安徽嘉年华漆业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although water-based coatings are superior to traditional paints in terms of environmental performance, in terms of physical properties, existing water-based coatings generally have defects such as difficult construction, water resistance, easy peeling, poor fullness, and poor hardness.
The traditional water-based paint only starts from the formula when solving the waterproof problem, so it cannot make the water-based paint have better water resistance. good water resistance

Method used

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  • Building waterproof exterior wall water-based paint and spraying method thereof

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Comparison scheme
Effect test

Embodiment 1

[0028] A water-based paint for waterproof exterior walls of buildings, mainly composed of components A and B, in parts by weight, wherein component A mainly includes: 88 parts of composite emulsion, 6 parts of water, and 6 parts of composite additives; It mainly includes: 36 parts of modified nano silicon dioxide and 18 parts of modified polylactic acid.

[0029] A method for spraying water-based paint for building waterproof exterior walls, mainly comprising the following steps:

[0030] (1) In parts by weight, sequentially weigh composite emulsion, water, composite additive, modified nano silicon dioxide and modified polylactic acid, stir and mix composite emulsion, water, composite additive to obtain A component, and A The components are divided into four parts according to the mass ratio of 2:2:3:3, which are recorded as A1, A2, A3 and A4 for use;

[0031] (2) Mix the A1 component obtained in step (1) with water, and add an appropriate amount of modified nano-silica, stir...

Embodiment 2

[0040] A water-based paint for waterproof exterior walls of buildings, mainly composed of components A and B, in parts by weight, wherein component A mainly includes: 88 parts of composite emulsion, 6 parts of water, and 6 parts of composite additives; It mainly includes: 36 parts of modified nano silicon dioxide.

[0041] A method for spraying water-based paint for building waterproof exterior walls, mainly comprising the following steps:

[0042] (1) In parts by weight, sequentially weigh composite emulsion, water, composite additive, modified nano silicon dioxide and modified polylactic acid, stir and mix composite emulsion, water, composite additive to obtain A component, and A The components are divided into four parts according to the mass ratio of 2:2:3:3, which are recorded as A1, A2, A3 and A4 for use;

[0043] (2) Mix the A1 component obtained in step (1) with water, and add an appropriate amount of modified nano-silica, stir and mix to obtain No. 1 primer;

[0044...

Embodiment 3

[0051] A water-based paint for waterproof exterior walls of buildings, mainly composed of components A and B, in parts by weight, wherein component A mainly includes: 88 parts of composite emulsion, 6 parts of water, and 6 parts of composite additives; It mainly includes: 36 parts of modified nano silicon dioxide and 18 parts of modified polylactic acid.

[0052] A method for spraying water-based paint for building waterproof exterior walls, mainly comprising the following steps:

[0053] (1) In parts by weight, sequentially weigh composite emulsion, water, composite additive, modified nano silicon dioxide and modified polylactic acid, stir and mix composite emulsion, water, composite additive to obtain A component, and A The components are divided into four parts according to the mass ratio of 2:2:3:3, which are recorded as A1, A2, A3 and A4 for use;

[0054] (2) Mix the A1 component obtained in step (1) with water, and add an appropriate amount of modified nano-silica, stir...

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Abstract

The invention discloses building waterproof exterior wall water-based paint and a spraying method thereof, and relates to the technical field of water-based paint. The spraying method comprises the following steps: reacting a polyurethane emulsion with an acrylate monomer to obtain a composite emulsion, treating nano silicon dioxide with a silane coupling agent to obtain modified nano silicon dioxide, modifying glucan with cholesterol, reacting modified glucan with polylactic acid to obtain modified polylactic acid, sequentially weighing the composite emulsion, water, a composite additive, themodified nano silicon dioxide and the modified polylactic acid, mixing the composite emulsion, the water and the composite additive, and respectively conducting mixing with the modified nano silicondioxide and the modified polylactic acid to obtain a first primer, a second primer, a first finishing coat and a second finishing coat; and sequentially smearnig the first primer, the second primer, the first finishing coat and the second finishing coat so as to complete spraying. The building waterproof exterior wall water-based paint prepared by the invention has excellent waterproof performance.

Description

technical field [0001] The invention provides a water-based paint for building waterproof exterior walls and a spraying method thereof, and relates to the technical field of water-based paints. Background technique [0002] Traditional oil-based paints generally use organic substances such as banana water and thinner as diluents, and usually contain a large amount of harmful carcinogens such as benzene and xylene. Moreover, the oil-based paint has a strong pungent smell, which will volatilize into the air during the process of painting and drying. Not only does it smell bad, but it also contains a large amount of harmful substances. Generally, the smell will dissipate after 1-2 months of use, but a large amount of harmful gas will still volatilize slowly in about 10-15 years. Moreover, the oil-based paint will deteriorate and turn yellow during the slow-release and long-term volatilization of harmful substances. Moreover, oil-based paint is extremely flammable and needs to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D167/04C09D105/02C09D7/62E04B1/66
CPCC08K2201/011C08L2205/03C08L2205/18C09D175/14C09D7/62E04B1/66C08L67/04C08L5/02C08K9/06C08K3/36
Inventor 张存标沙天文
Owner 安徽嘉年华漆业有限公司
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