Exterior wall putty for building and preparing method thereof

A technology for exterior wall putty and construction, which is applied to filling slurry and other directions, can solve the problems of discoloration and shedding, and needs to be improved, and achieves the effects of low cost, simple preparation method and convenient use.

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, there are many kinds of putty for exterior walls, but its adhesion, filling, waterproof, strength, moisture absorption rate, and prevention of wall discoloration and peeling still need to be improved.

Method used

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  • Exterior wall putty for building and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Example 1 The exterior wall putty for construction is prepared from the following main raw materials in parts by weight (each part is 2000g): 13 parts of chitin, 11 parts of attapulgite, 10 parts of polylactic acid, 82 parts of heavy calcium carbonate, 4 parts of vinyl chloride, 10 parts of glutinous rice flour, 5 parts of isobutyl acrylate, 30 parts of quartz powder.

[0039] The preparation method of above-mentioned construction exterior wall putty is:

[0040] (1) Mix attapulgite, heavy calcium carbonate and quartz powder, put them into a reaction kettle, heat to 100°C, stir continuously at a speed of 600r / min, and blend for 3 hours;

[0041] (2) Add chitin, polylactic acid, polyvinylidene chloride and glutinous rice flour to the result of step (1), heat to 80°C, stir continuously at a speed of 500r / min, and blend for 2 hours;

[0042] (3) Add isobutyl acrylate, water reducer, thickener and dispersant to the result of step (2), the amount of water reducer is 1 / 18 o...

Embodiment 2

[0043] Example 2 The exterior wall putty for construction is prepared from the following main raw materials in parts by weight (each part is 2000g): 16 parts of chitin, 16 parts of attapulgite, 15 parts of polylactic acid, 90 parts of heavy calcium carbonate, 8 parts of vinyl chloride, 14 parts of glutinous rice flour, 8 parts of isobutyl acrylate, 40 parts of quartz powder.

[0044] The preparation method of above-mentioned construction exterior wall putty is:

[0045] (1) Mix attapulgite, heavy calcium carbonate and quartz powder, put them into a reaction kettle, heat to 120°C, stir continuously at a speed of 750r / min, and blend for 5 hours;

[0046] (2) Add chitin, polylactic acid, polyvinylidene chloride and glutinous rice flour to the resultant of step (1), heat to 100°C, stir continuously at a speed of 800r / min, and blend for 4 hours;

[0047] (3) Add isobutyl acrylate, water reducer, thickener and dispersant to the result of step (2), the amount of water reducer is 1...

Embodiment 3

[0048] Example 3 The exterior wall putty for construction is prepared from the following main raw materials in parts by weight (each part is 2000g): 14 parts of chitin, 12 parts of attapulgite, 11 parts of polylactic acid, 85 parts of heavy calcium carbonate, poly 5 parts of vinyl chloride, 11 parts of glutinous rice flour, 6 parts of isobutyl acrylate, 33 parts of quartz powder.

[0049]The preparation method of above-mentioned construction exterior wall putty is:

[0050] (1) Mix attapulgite, heavy calcium carbonate and quartz powder, put them into a reaction kettle, heat to 105°C, stir continuously at a speed of 650r / min, and blend for 3.5 hours;

[0051] (2) Add chitin, polylactic acid, polyvinylidene chloride and glutinous rice flour to the result of step (1), heat to 85°C, stir continuously at a speed of 600r / min, and blend for 2.5 hours;

[0052] (3) Add isobutyl acrylate, water reducer, thickener and dispersant to the result of step (2), the amount of water reducer ...

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Abstract

The invention discloses exterior wall putty for a building and a preparing method thereof. The exterior wall putty is prepared from the following materials in weight percentage: 13-16 of chitin, 11-16 of attapulgite, 10-15 of polylactic acid, 82-90 of coarse whiting, 4-8 of polyvinylidene chloride, 10-14 of glutinous rice flour, 5-8 of isobutyl acrylate and 30-40 of quartz powder. The exterior wall putty has excellent adhesiveness, filling property, waterproof performance, strength and moisture absorption, can prevent a wall body from discoloring and falling, is free of poison and safe and achieves environmental friendliness.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a construction exterior wall putty and a preparation method thereof. Background technique [0002] Putty is a kind of decorative coagulation material for leveling the surface of the wall. It is a thick paste paint and an indispensable product before painting. The purpose of applying putty is to fill the pores of the construction surface and correct the curve of the construction surface Deviation, to lay a good foundation for obtaining a smooth and uniform paint surface, while the traditional putty powder often uses ash calcium powder as the base material, the calcification reaction mainly occurs on the outer surface of the putty powder layer, and there is still a large amount of unstable calcium oxide on the inner surface And strong calcium oxide, resulting in the existence of putty powder layer, the inner layer is soft, and the coating is prone to bubbles and cracks after being damp or h...

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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