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Waterproof putty for building inner wall and preparation method thereof

A water-resistant putty, a technology in buildings, used in filling slurry and other directions, can solve the problems of unstable chemical properties, low bonding strength, poor water resistance, etc., to achieve good water resistance and gloss, strong adhesion, dryness short time effect

Inactive Publication Date: 2016-08-03
孙法峰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there are many water-resistant putties for building interior walls on the market, some of which have low bonding strength and poor adhesion, and some have poor water resistance, are prone to hollowing, peeling, and cracking, which eventually lead to cracking and cracking of the wall. Leakage phenomenon, some chemical properties are unstable, easy to be yellowed and black spots, the interior wall putty with excellent comprehensive performance has almost no

Method used

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  • Waterproof putty for building inner wall and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Example 1 Water-resistant putty for building interior walls is prepared from the following raw materials (23 kg for each part): 10 parts of polyvinyl alcohol, 12 parts of hydroxypropyl methylcellulose, 90 parts of heavy calcium carbonate, and 12 parts of paraffin wax , 8 parts of micropowder silica gel, 10 parts of polyvinyl chloride, 18 parts of kaolin, 11 parts of talcum powder, 1.3 parts of high-carbon alcohol fatty acid ester compound, 2.5 parts of diatomaceous earth, 1.8 parts of benzoic acid, and 1.2 parts of lignin.

[0044] The preparation steps of water-resistant putty for building interior walls are as follows:

[0045] (1) Crush the polyvinyl alcohol, put it in the reaction tank, add 3 times the mass of water, add micropowder silica gel after standing for 2 hours, heat to 56°C, keep warm for 2 hours, stir evenly, filter, cool to room temperature, and dry , ground and passed through an 80-mesh sieve;

[0046] (2) Put heavy calcium carbonate and paraffin in a ...

Embodiment 2

[0051] Example 2 The water-resistant putty for building interior walls is prepared from the following raw materials (14 kg for each part): 16 parts of polyvinyl alcohol, 20 parts of hydroxypropyl methylcellulose, 103 parts of heavy calcium carbonate, and 18 parts of paraffin , 13 parts of micropowdered silica gel, 16 parts of polyvinyl chloride, 24 parts of kaolin, 15 parts of talcum powder, 1.6 parts of higher alcohol fatty acid ester complex, 3.2 parts of diatomaceous earth, 2.2 parts of benzoic acid, and 1.6 parts of lignin.

[0052] The preparation steps of water-resistant putty for building interior walls are as follows:

[0053] (1) Crush polyvinyl alcohol, put it in a reaction tank, add 5 times the mass of water, add micropowder silica gel after standing for 3 hours, heat to 62°C, keep warm for 4 hours, stir evenly, filter, cool to room temperature, and dry , ground, passed through a 120-mesh sieve, and set aside;

[0054] (2) Put heavy calcium carbonate and paraffin i...

Embodiment 3

[0059] Example 3 Water-resistant putty for building interior walls is prepared from the following raw materials (15 kg for each part): 12 parts of polyvinyl alcohol, 15 parts of hydroxypropyl methylcellulose, 95 parts of heavy calcium carbonate, and 14 parts of paraffin , 10 parts of micronized silica gel, 12 parts of polyvinyl chloride, 20 parts of kaolin, 12 parts of talcum powder, 1.4 parts of higher alcohol fatty acid ester complex, 2.7 parts of diatomaceous earth, 1.9 parts of benzoic acid, and 1.3 parts of lignin.

[0060] The preparation steps of water-resistant putty for building interior walls are as follows:

[0061] (1) Crush the polyvinyl alcohol, put it in the reaction tank, add 3.5 times the mass of water, add micropowder silica gel after standing for 2.3 hours, heat to 58°C, keep warm for 2.5 hours, stir evenly, filter, cool to room temperature, and dry , ground, passed through a 90-mesh sieve, and set aside;

[0062] (2) Put heavy calcium carbonate and paraffi...

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Abstract

The invention discloses waterproof putty for a building inner wall. The waterproof putty is prepared from, by weight, 10-16 parts of polyving akohol, 12-20 parts of hydroxypropyl methyl cellulose, 90-103 parts of coarse whiting, 12-18 parts of paraffin, 8-13 parts of superfine silica powder, 10-16 parts of polyvinyl chloride, 18-24 parts of kaolin, 11-15 parts of talcum powder, 1.3-1.6 parts of higher alcohol fatty acid ester complex, 2.5-3.2 parts of kieselguhr, 1.8-2.2 parts of benzoic acid and 1.2-1.6 parts of lignin. The waterproof putty for the building inner wall is white, fine and high in waterproof intensity, has superior bonding strength, has no hollowing, peeling and crazing phenomena after being moistened, and is free of toxin, odorless and suitable for inner wall plaster, cement mortar, masonry, gypsum plates and other base materials.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a water-resistant putty for building interior walls and a preparation method thereof. Background technique [0002] Putty is a supporting product used for base treatment when building fillers are painted. Putty is generally composed of base material, filler, water and additives. The base material, also known as the binder, is the most important component of the putty, and it mainly plays various functions such as bonding. The filler mainly acts as a filling, and the commonly used ones are calcium oxide, talcum powder and quartz sand. Additives include thickeners, water retaining agents, preservatives, etc. Thickeners and water-retaining agents play the role of water retention, improving storage and construction, and cellulose is generally used. Preservatives are mainly used to prevent deterioration due to corruption during storage. In addition, there are antifreez...

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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