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External wall waterproof putty paste and preparation method thereof

A technology of putty paste and exterior wall, which is applied in the direction of filling slurry, etc., can solve the problems of poor practical application effect, peeling, mildew, and affecting the appearance, and achieve the effects of convenient construction, good water resistance, and scientific preparation

Inactive Publication Date: 2016-07-20
孙法峰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, most putties on the market have poor water resistance, peel and mold after being exposed to moisture, and affect the appearance. The actual application effect is not good and cannot meet the needs of the market. wall putty paste

Method used

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  • External wall waterproof putty paste and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1 The exterior wall waterproof putty paste is mainly prepared from the following raw materials (5 kg each): 12 parts of polyvinyl acetate, 13 parts of soluble starch, 10 parts of sodium polyacrylate, 96 parts of heavy calcium carbonate, carboxymethyl 17 parts of sodium cellulose, 34 parts of talc, 9 parts of polypropylene fiber, 18 parts of attapulgite, 30 parts of deionized water, 1 part of preservative, and 0.5 part of dispersant. The preparation method of above-mentioned exterior wall waterproof putty paste is:

[0023] (1) Take heavy calcium carbonate and attapulgite and place them in a high-temperature environment to dry for 1 hour, take them out and grind them for 30 minutes to make a mixture powder, and the fineness of the mixture is controlled below 45 μm;

[0024] (2) Add deionized water to the mixer, add talc powder and dispersant, stir at high speed for 20 minutes, the stirring speed is 800 rpm, then add polyvinyl acetate, sodium polyacrylate, carboxy...

Embodiment 2

[0026] Example 2 The exterior wall waterproof putty paste is mainly prepared from the following raw materials (5 kg each): 16 parts of polyvinyl acetate, 18 parts of soluble starch, 15 parts of sodium polyacrylate, 104 parts of heavy calcium carbonate, carboxymethyl 23 parts of sodium cellulose, 42 parts of talc, 14 parts of polypropylene fiber, 22 parts of attapulgite, 50 parts of deionized water, 2 parts of preservative, and 1.5 parts of dispersant. The preparation method of above-mentioned exterior wall waterproof putty paste is:

[0027] (1) Take heavy calcium carbonate and attapulgite and place them in a high-temperature environment to dry for 3 hours, take them out and grind them for 46 minutes to make a mixture powder, and the fineness of the mixture is controlled below 45 μm;

[0028] (2) Add deionized water to the mixer, add talc powder and dispersant, stir at high speed for 40 minutes, the stirring speed is 1200 rpm, then add polyvinyl acetate, sodium polyacrylate, c...

Embodiment 3

[0030] Example 3 The exterior wall waterproof putty paste is mainly prepared from the following raw materials (5 kg each): 13 parts of polyvinyl acetate, 14 parts of soluble starch, 11 parts of sodium polyacrylate, 98 parts of heavy calcium carbonate, carboxymethyl 19 parts of sodium cellulose, 36 parts of talc, 10 parts of polypropylene fiber, 19 parts of attapulgite, 35 parts of deionized water, 1.2 parts of preservative, and 0.8 part of dispersant. The preparation method of above-mentioned exterior wall waterproof putty paste is:

[0031] (1) Take heavy calcium carbonate and attapulgite and place them in a high-temperature environment to dry for 1.5 hours, take them out and grind them for 34 minutes to make a mixture powder, and the fineness of the mixture is controlled below 45 μm;

[0032] (2) Add deionized water to the mixer, add talc powder and dispersant, stir at high speed for 25 minutes at a stirring speed of 900 rpm, then add polyvinyl acetate, sodium polyacrylate, ...

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Abstract

The invention provides external wall waterproof putty paste, which is mainly prepared from the following raw materials in parts by mass: 12 to 16 parts of polyvinyl acetate, 13 to 18 parts of soluble starch, 10 to 15 parts of polyacrylate sodium, 96 to 104 parts of ground limestone, 17 to 23 parts of sodium carboxymethylcellulose, 34 to 42 parts of talcum powder, 9 to 14 parts of polypropylene fiber, 18 to 22 parts of attapulgite, 30 to 50 parts of deionized water, 1 to 2 parts of preservative and 0.5 to 1.5 parts of dispersing agents. The obtained product has the advantages that the construction is convenient; the water resistance performance is good; cracking prevention and powder falling prevention are realized; the bonding strength is high; the comprehensive performance is excellent.

Description

technical field [0001] The invention relates to the field of coatings, in particular to exterior wall waterproof putty paste and a preparation method thereof. Background technique [0002] Putty is a decorative material for leveling the surface of the wall. It is a thick paste paint and an indispensable product before the paint is painted. Applied on the primer or directly on the object to remove uneven defects on the surface of the object to be coated. With the further improvement of people's requirements for home decoration, the development of putty also tends to be high-end, which not only requires good water resistance, crack resistance, and better affinity with the finish layer, but also its safety and environmental protection. put forward higher requirements. [0003] The Chinese patent literature with publication number CN105017835A (application number 201510457993.X) discloses a putty powder for exterior walls, which consists of 45-60 parts of modified talcum powde...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/34
CPCC09D5/34
Inventor 不公告发明人
Owner 孙法峰
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