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Special cellulose ether for putty

A technology of cellulose ether and putty, which is applied in filling slurry and other directions, can solve the problems affecting the price of putty and the high price of cellulose ether additives, and achieve the effect of smooth hand feeling, excellent comprehensive performance and guaranteeing water retention.

Inactive Publication Date: 2016-05-11
张学健
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Especially in the batch scraping of putty, this component is very important, but due to the high price of cellulose ether additives, it directly affects the final price of putty

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment 1: A special cellulose ether for putty, characterized in that, it is formulated according to the following weight ratios from the following components:

[0016] 82 parts of cellulose ether

[0017] 12 parts of organic bentonite

[0018] 6 parts of starch ether.

Embodiment 2

[0019] Embodiment 2: A special cellulose ether for putty, characterized in that, it is formulated according to the following weight ratios from the following components:

[0020] 78 parts of hydroxypropyl methylcellulose ether of 250,000 mpa.s

[0021] 15 parts of organic bentonite

[0022] 7 parts of hydroxypropyl starch ether with a degree of etherification of 20-30%.

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PUM

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Abstract

The invention relates to a special cellulose ether for putty. The special cellulose ether for putty is prepared by mixing cellulose ether, organobentonite and starch ether. According to the special cellulose ether for putty series, the high-viscosity cellulose ether is matched with a proper amount of starch ether, thereby ensuring the water retention property of the putty and controlling the splash degree of the putty. The organobentonite is added in the formula, so that the putty has proper viscosity, and has more smooth hand feeling in the construction process. The cellulose ether added into the putty can effectively lower the cost of putty, so that the putty has favorable constructability and favorable comprehensive properties, and is worthy of popularization.

Description

technical field [0001] The invention relates to the field of construction additives, in particular to a special cellulose ether for putty. Background technique [0002] Cellulose ether is a polymer compound with an ether structure made from cellulose. Each glucosyl ring in the cellulose macromolecule contains three hydroxyl groups, the primary hydroxyl group on the sixth carbon atom, the secondary hydroxyl group on the second and third carbon atoms, and the hydrogen in the hydroxyl group is replaced by a hydrocarbon group to form a fiber ether derivative . It is a product in which the hydrogen of the hydroxyl group in the cellulose polymer is replaced by a hydrocarbon group. Cellulose is a polyhydroxy polymer compound that neither dissolves nor melts. After etherification, cellulose is soluble in water, dilute alkali solution and organic solvent, and has thermoplasticity. [0003] Cellulose ether is a key admixture to improve the water retention performance of dry-mixed ...

Claims

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Application Information

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IPC IPC(8): C09D5/34C08L1/28C08L3/08C08K9/04C08K3/34
CPCC09D5/34C08L1/284C08L3/08C08K9/04C08K3/346
Inventor 张学健
Owner 张学健
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