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Rubber adhesive and preparation method thereof

A rubber adhesive and natural rubber technology, applied in the direction of natural rubber adhesives, adhesives, adhesive types, etc., can solve problems such as low bonding strength, easy loosening, and weak bonding. The method is simple, Raw materials are readily available and the effect of excellent bonding strength

Active Publication Date: 2018-06-26
WUHU FENGXUE RUBBER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a rubber adhesive and a preparation method thereof, which solves the problems that common rubber adhesives have low bonding strength and often appear to be weakly bonded and easy to loosen.

Method used

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Examples

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preparation example Construction

[0013] The invention provides a method for preparing a rubber adhesive, the preparation method comprising: mixing natural rubber, polyisocyanate glue, carbon black, zinc oxide, silicon dioxide, diatomaceous earth, accelerator and anti-aging agent RD Mixing is carried out to obtain a rubber material M; the rubber material M is mixed with a solvent, and heated and stirred to obtain a rubber adhesive; wherein, the ratio of the above-mentioned raw materials is: relative to 100 parts by weight of natural rubber, the polymer The amount of isocyanate glue is 50-70 parts by weight, the amount of carbon black is 2-10 parts by weight, the amount of zinc oxide is 5-12 parts by weight, and the amount of silicon dioxide is 2-8 parts by weight , the amount of the diatomaceous earth is 2-7 parts by weight, the amount of the accelerator is 1-3 parts by weight, and the amount of the antioxidant RD is 1-3 parts by weight.

[0014] In a preferred embodiment of the present invention, in order to ...

Embodiment 1

[0022] 100g natural rubber, 55g polyisocyanate glue, 4g carbon black, 8g zinc oxide, 4g silicon dioxide, 3g diatomaceous earth, 1.5g tin protochloride and 1.5g antioxidant RD are mixed and kneaded (the temperature of kneading 130° C.) to obtain rubber material M; mix the rubber material M with a solvent, heat and stir (heating temperature is 65° C., stirring speed is 120 r / min) to obtain rubber adhesive A1.

Embodiment 2

[0024] 100g natural rubber, 65g polyisocyanate glue, 6g carbon black, 10g zinc oxide, 6g silicon dioxide, 5g diatomaceous earth, 2.5g iron trichloride and 2.5g antioxidant RD are mixed and mixed (the temperature of mixing 150° C.) to obtain rubber compound M; mix the compound M with a solvent, heat and stir (heating temperature is 75° C., stirring speed is 140 r / min) to obtain rubber adhesive A2.

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Abstract

The invention discloses a rubber adhesive and a preparation method thereof, wherein the preparation method comprises: mixing natural rubber, polyisocyanate glue, carbon black, zinc oxide, silicon dioxide, diatomaceous earth, an accelerator and an anti-aging agent After RD is mixed, kneading is carried out to obtain the rubber material M; the rubber material M is mixed with a solvent, and the rubber adhesive is obtained after heating and stirring; it solves the problem that the ordinary rubber adhesive has low bonding strength and often occurs bonding Not firm, easy to loose and other phenomena.

Description

technical field [0001] The invention relates to the field of adhesive preparation, in particular, to a rubber adhesive and a preparation method thereof. Background technique [0002] Rubber adhesives are widely used in self-adhesion and mutual adhesion between conveyor belts, rubber, leather, metal, ceramics and other materials. Ordinary rubber adhesives have low bonding strength, and there are often phenomena such as weak bonding and easy loosening. [0003] Therefore, it is an urgent problem to be solved in the present invention to provide a rubber adhesive with high bonding strength and simple preparation method and its preparation method. Contents of the invention [0004] The object of the present invention is to provide a rubber adhesive and a preparation method thereof, which solves the problems that common rubber adhesives have low bonding strength and often appear to be weak and easy to loosen. [0005] In order to achieve the above object, the invention provide...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J107/00C09J175/00C09J11/04
CPCC09J11/04C09J107/00C08L75/00C08K13/02C08K3/04C08K2003/2296C08K3/36C08K3/34
Inventor 陆雪龙
Owner WUHU FENGXUE RUBBER
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