Rubber power for building

A technology for construction and rubber powder, applied in the field of rubber powder, which can solve the problems of being unpopular with users, not being able to be used alone, and poor engineering quality, and achieving the effect of low price, convenient transportation and good quality

Inactive Publication Date: 2009-11-18
江阴市北国新型建筑材料厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the solid rubber powder currently on the market has serious quality problems, such as poor adhesion, easy powder removal, no water resistance, no resistance to scrubbing, and cannot be used alone in construction. It can be used only after adding white latex, etc.
As a result, problems such as increased cost, inconvenient operation, and poor engineering quality are caused, which are very unpopular with users.

Method used

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  • Rubber power for building

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] The rubber powder for construction of the present invention comprises the following components: 12.2.kg of prechemical starch, 22.25kg of hydroxypropyl methylcellulose, 30.5kg of PVA, 35kg of oxidized starch, 8kg of redispersible latex powder, 4kg of borax, calcium propionate 0.8kg, edible alum 10kg.

[0046] The preparation process is as follows: each component is weighed according to the above weight, put into a mixing bucket in turn, and then stirred and mixed evenly to obtain the product.

Embodiment 2

[0048] The rubber powder for construction of the present invention comprises the following components: hydroxyalkyl starch ether 12.2.kg, hydroxypropyl cellulose 22.25kg, PVA 30.5kg, oxidized starch 35kg, redispersible latex powder 8kg, borax 4kg, propionic acid Sodium 0.8kg, edible alum 10kg.

[0049] The preparation process is as follows: each component is weighed according to the above weight, put into a mixing bucket in turn, and then stirred and mixed evenly to obtain the product.

Embodiment 3

[0051] The rubber powder for construction of the present invention comprises the following components: 12.2.kg of preformed starch, 12.25kg of hydroxypropyl methylcellulose, 10kg of hydroxypropylcellulose, 30.5kg of PVA, 35kg of oxidized starch, and 8kg of redispersible latex powder , borax 4kg, calcium propionate 0.5kg, sodium propionate 0.3kg, edible alum 10kg.

[0052] The preparation process is as follows: each component is weighed according to the above weight, put into a mixing bucket in turn, and then stirred and mixed evenly to obtain the product.

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PUM

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Abstract

The invention relates to a rubber power for building. The rubber power comprises the following components according to the weight by parts: 20-30 parts of etherified starches, 25-35 parts of fiber, 30-40 parts of PVA, 45-70 parts of oxidized starch, 5-10 parts of plasticizer, 8-15 parts of tackifier, 0.5-2.5 parts of antiseptic, and 1-3 parts of water proofing agent. The rubber power for buildingis white and powered in appearance, is innoxious and tasteless, does not have hazardous substance, is convenient to transport, has the advantages of good quality, high viscocity, strong adhesive attraction, non-coming off power, no crack, washing resistance, high strength, fast solution, wide utilization area; and the preparation method is simple and has low cost.

Description

technical field [0001] The invention relates to a rubber powder, in particular to a solid rubber powder for construction. Background technique [0002] 801 glue is made by polycondensation reaction of polyvinyl alcohol and formaldehyde in acidic medium, and then amination. The preparation process contains unreacted formaldehyde. 801 glue production raw materials are: polyvinyl alcohol, water, formaldehyde, urea, hydrochloric acid and sodium hydroxide. 801 glue is often used in home decoration for pasting wall coverings, wallpapers, ceramic tiles and cement products, and can also be used as a glue for interior and exterior walls and floor coatings. 801 glue contains unreacted formaldehyde, and formaldehyde is the root cause of indoor environmental pollution. Moreover, 801 glue needs to add toxic substances such as hydrochloric acid, liquid caustic soda, and formaldehyde during the heating process, which not only consumes a lot of energy and resources, but also causes the g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/28
Inventor 张新民
Owner 江阴市北国新型建筑材料厂
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