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Exterior wall waterproof coating

A technology for waterproof coatings and exterior walls, used in asphalt coatings, polyurea/polyurethane coatings, coatings, etc., can solve problems such as short service life and peeling, and achieve good durability.

Inactive Publication Date: 2014-02-26
QINGDAO HIBOUND CHENGYUAN PLASTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current waterproof materials for building exterior walls have a short service life. After several years of wind and sun, peeling and other phenomena will occur. Repainting requires a lot of manpower and material resources. Waterproof coating for exterior walls with strong waterproof performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] The present invention is a kind of exterior wall waterproof paint, is made of the following raw materials in parts by weight:

[0011] 7 parts of asphalt base material, 2.3 parts of toluene diisocyanate, 1.4 parts of polyurethane, 2.8 parts of rare earth drier, 3.7 parts of polyvinyl chloride, 1.6 parts of alkylphenol polyoxyethylene ether phosphate, styrene ethylphenol polyoxyethylene ether poly 2.7 parts of oxypropylene ether and 2.2 parts of benzyl naphthalenesulfonic acid formaldehyde condensate dispersant.

Embodiment 2

[0013] The present invention is a kind of exterior wall waterproof paint, is made of the following raw materials in parts by weight:

[0014] 5 parts of asphalt base material, 1.2 parts of toluene diisocyanate, 0.8 parts of polyurethane, 2.3 parts of rare earth drier, 2.5 parts of polyvinyl chloride, 1.2 parts of alkylphenol polyoxyethylene ether phosphate, styrene ethylphenol polyoxyethylene ether poly 1.5 parts of oxypropylene ether and 1.2 parts of benzylnaphthalenesulfonic acid formaldehyde condensate dispersant.

Embodiment 3

[0016] The present invention is a kind of exterior wall waterproof paint, is made of the following raw materials in parts by weight:

[0017] 8 parts of asphalt base material, 2.7 parts of toluene diisocyanate, 1.6 parts of polyurethane, 3.5 parts of rare earth drier, 5 parts of polyvinyl chloride, 2.3 parts of alkylphenol polyoxyethylene ether phosphate, styrene ethylphenol polyoxyethylene ether poly 3.3 parts of oxypropylene ether and 2.9 parts of benzylnaphthalenesulfonic acid formaldehyde condensate dispersant.

[0018] Compared with the existing waterproof coating, the present invention has excellent waterproof and anti-seepage performance, and can form a breathable and hydrophobic film with a certain depth on the outer wall of the building to prevent the intrusion of water, and at the same time, it can also prevent the wall from mildew It is less affected by ultraviolet rays and has the characteristics of long service life and good durability. It can be applied to variou...

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Abstract

The invention discloses an exterior wall waterproof coating which is prepared by the following raw materials by weight: 5-8 parts of asphalt base materials, 1.2-2.7 parts of toluene diisocyanate, 0.8-1.6 parts of polyurethane, 2.3-3.5 parts of rare earth driers, 2.5-5 parts of polyvinyl chloride, 1.2-2.3 parts of alkylphenol polyoxyethylene phosphate, 1.5-3.3 parts of phenethyl phenol polyoxyethylene ether polyoxypropylene ether, and 1.2-2.9 parts of benzyl naphthalene sulfonic acid-formaldehyde condensation products. Compared with existing waterproof coatings, the coating of the invention has excellent waterproof impervious performance, can form a breathable hydrophobic film with a certain depth on building exterior walls, which can prevent water invasion, and also has mildew resistant effect on walls; the coating of the invention is less influenced by ultraviolet light, has the characteristics of long service life and good durability, is applicable to various building bases, and is convenient for construction.

Description

technical field [0001] The invention relates to a waterproof coating for exterior walls, which belongs to the field of building materials. Background technique [0002] Architectural waterproof coating is a viscous liquid polymer synthetic material with no fixed shape at room temperature. After coating, it can form a tough waterproof coating film on the surface of the base layer after the volatilization of solvent or water evaporation or reaction curing. . Because waterproof coatings for building exterior walls are used outdoors, they are exposed to wind and sun for many years. Therefore, compared with indoor waterproof coatings, they need stronger waterproof and anti-seepage capabilities, good color retention performance, and can resist ultraviolet radiation. The current waterproof materials for building exterior walls have a short service life. After several years of wind and sun, peeling and other phenomena will occur. Repainting requires a lot of manpower and material r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D195/00C09D175/04C09D127/06C09D7/12
Inventor 李蛟业
Owner QINGDAO HIBOUND CHENGYUAN PLASTIC
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