Method for improving water resistance of putty

A technology of water resistance and putty, applied in the direction of filling slurry, etc., can solve the problems of poor water resistance, low bonding strength of putty, unsuitable for decoration of wallpaper, etc., and achieve the effect of good water resistance

Inactive Publication Date: 2018-02-27
TIANE HONGCHANG AGRI MACHINERY SPECIALIZED COOP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these putties have low bonding strength and poor water resistance, and are only suitable for general building indoor dry rooms as putty for paint decoration, not suitable for decorative wallpaper

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A method for improving the water resistance of putty, the operation steps are as follows:

[0019] (1) Take 821 putty powder and mix it according to the mass ratio of 821 putty powder and water 1:1.5, add modifier I to the mixed putty, the addition amount is 0.01g / kg, that is, add to the cement obtained after mixing 1kg 0.01g modifier Ⅰ, stirring rapidly for 2min; wherein, modifier Ⅰ is theophylline;

[0020] (2) Add modifier Ⅱ, the addition amount is 0.05g / kg, that is, add 0.05g modifier Ⅱ to the cement obtained after mixing per 1kg, stir rapidly at 150r / min for 1.5min, let it stand for 1min, and then slowly stir at 30r / min 5min; Among them, the modifier II is a secondary amine;

[0021] (3) It can be used after standing for 3 minutes.

Embodiment 2

[0023] A method for improving the water resistance of putty, the operation steps are as follows:

[0024] (1) Take 821 putty powder and mix it according to the mass ratio of 821 putty powder and water 1:2.3, add modifier I to the mixed putty, the addition amount is 0.03g / kg, that is, add to the cement obtained after mixing 1kg 0.03g modifier Ⅰ, stir rapidly for 2-3 minutes; among them, modifier Ⅰ is theophylline;

[0025] (2) Add modifier Ⅱ, the addition amount is 0.06g / kg, that is, add 0.06g modifier Ⅱ to every 1kg of mixed cement, stir rapidly at 400r / min for 0.5min, let stand for 2min, and then slowly stir at 80r / min 3min; Among them, the modifier II is a secondary amine;

[0026] (3) It can be used after standing for 2 minutes.

Embodiment 3

[0028] A method for improving the water resistance of putty, the operation steps are as follows:

[0029] (1) Take 821 putty powder and mix it according to the mass ratio of 821 putty powder and water: 1:1.6, add modifier I to the mixed putty, the addition amount is 0.02g / kg, that is, add to the cement obtained after mixing 1kg 0.02g modifier Ⅰ, stirring rapidly for 2.5min; wherein, modifier Ⅰ is theophylline;

[0030] (2) Add modifier II, the addition amount is 0.055g / kg, that is, add 0.055g modifier II per 1kg of mixed cement, stir rapidly at 275r / min for 1min, let it stand for 1.5min, and then slowly stir at 55r / min 4min; Among them, the modifier II is a secondary amine;

[0031] (3) It can be used after standing for 2.5 minutes.

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PUM

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Abstract

The invention discloses a method for improving the water resistance of putty, which comprises the following steps: (1) Add modifier I to the mixed putty and stir rapidly for 2-3 minutes; wherein, the modifier I is tea Alkali; (2) add modifier II, stir rapidly for 0.5-1.5min and then slowly stir for 3-5min; wherein, the modifier II is a secondary amine; (3) after standing for 2-3min be usable. The putty prepared by the invention has better water resistance, and the added theophylline is an alkaloid, which interacts with the putty to have a hydrophobic effect, and can play a stabilizing effect through the subsequent action of a modifier.

Description

technical field [0001] The invention relates to a method for modifying putty, in particular to a method for improving the water resistance of putty. Background technique [0002] The putty of the prior art is a powdery putty made of water-soluble resin or modified starch, methyl cellulose or carboxymethyl cellulose, talcum powder, and Shuangfei powder as the main raw materials. Most of the commercial names on the market are 821 putty powder. Add water when using. However, these putties have low bonding strength and poor water resistance, and are only suitable for general building indoor dry rooms as putties for paint decoration, and are not suitable for decorative wallpapers. Therefore, there is an urgent need for a putty with relatively good water resistance and the like. [0003] The information disclosed in this Background section is only for enhancing the understanding of the general background of the present invention and should not be taken as an acknowledgment or an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/34
CPCC09D5/34
Inventor 张文昌
Owner TIANE HONGCHANG AGRI MACHINERY SPECIALIZED COOP
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