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High-elasticity rubber and preparation process thereof

A high-elasticity rubber and rubber technology, applied in the rubber field, can solve the problems of product dimensional stability, permanent white spots and marks, and reduced rubber elasticity, and achieve the effect of good tearing effect, stable product size and high elasticity.

Inactive Publication Date: 2017-05-10
ANHUI LIXIN RUBBER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Although natural rubber raw rubber has better elasticity, the edge tearing effect of the product is poor. At present, fillers such as calcium carbonate, talcum powder, carbon black are added in natural rubber, as the patent No. is a kind of rubber composition disclosed by CN1407007A, although The edge tearing effect is improved to a certain extent, but the rubber elasticity decreases more obviously, and there will be permanent white spots and marks on the surface of the hand-scratched product, and the stability of the product size is also affected.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A high elastic rubber, comprising the following components by weight: 80 parts of natural rubber, 25 parts of batching rubber, 45 parts of filler, 2 parts of accelerator, 1 part of vulcanizing agent, 5 parts of zinc oxide, 0.5 part of stearic acid, anti-aging 2 parts of agent, 4 parts of high aromatic oil, 2 parts of paraffin, 3 parts of additives;

[0020] The batching rubber is a mixture of styrene-butadiene rubber and butadiene rubber equal weight;

[0021] The filler is a mixture of talcum powder, diatomaceous earth and glass beads, in every part by weight of the filler, 30 parts of talcum powder, 12 parts of diatomaceous earth and 5 parts of glass beads;

[0022] Described additive is the mixture of lignin fiber and resin, and in every part of additive, lignin fiber accounts for 20wt%, and resin accounts for 80wt%;

[0023] The resin is a composite resin composed of polyvinyl chloride resin, epoxy resin and polystyrene in a weight ratio of 3:1:1.

[0024] The pre...

Embodiment 2

[0026] A high elastic rubber, comprising the following components by weight: 85 parts of natural rubber, 20 parts of batching rubber, 55 parts of filler, 1 part of accelerator, 2 parts of vulcanizing agent, 3 parts of zinc oxide, 1 part of stearic acid, anti-aging 1 part of agent, 5 parts of high aromatic oil, 1 part of paraffin, 1 part of additive;

[0027] Described batching rubber is the mixture that styrene-butadiene rubber and butadiene rubber mix according to weight ratio 2:1;

[0028] The filler is a mixture of talcum powder, diatomaceous earth and glass beads coated with butadiene rubber. In every part by weight of the filler, there are 35 parts of talcum powder, 15 parts of diatomaceous earth and 5 parts of glass beads;

[0029] Described additive is the mixture of lignin fiber and resin, and in every part of additive, lignin fiber accounts for 33wt%, and resin accounts for 67wt%;

[0030] The resin is a composite resin composed of polyvinyl chloride resin, epoxy res...

Embodiment 3

[0033] A high elastic rubber, comprising the following components by weight: 85 parts of natural rubber, 22 parts of batching rubber, 50 parts of filler, 1 part of accelerator, 2 parts of vulcanizing agent, 4 parts of zinc oxide, 1 part of stearic acid, anti-aging 1.5 parts of agent, 5 parts of high aromatic oil, 2 parts of paraffin, 3 parts of additives;

[0034] Described compounding rubber is the mixture that styrene-butadiene rubber and butadiene rubber mix according to weight ratio 3:1;

[0035] The filler is a mixture of talcum powder, diatomaceous earth and glass beads coated with butadiene rubber, in every part by weight of filler, 20 parts of talcum powder, 14 parts of diatomaceous earth and 5 parts of glass beads;

[0036] Described additive is the mixture of lignin fiber and resin, and in every part of additive, lignin fiber accounts for 20wt%, and resin accounts for 80wt%;

[0037] The resin is a composite resin composed of polyvinyl chloride resin, epoxy resin an...

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PUM

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Abstract

The invention discloses high-elasticity rubber and a preparation process thereof. The high-elasticity rubber contains the components in parts by weight: 80-85 parts of natural rubber, 20-25 parts of ingredient rubber, 45-55 parts of filling, 1-2 parts of an accelerant, 1-2 parts of a vulcanizing agent, 3-5 parts of zinc oxide, 0.5-1 part of stearic acid, 1-2 parts of an anti-aging agent, 4-5 parts of high-aromatic hydrocarbon oil, 1-2 parts of paraffin and 3-5 parts of an additive, wherein the filling is a mixture of talcum powder, diatomite and glass beads. The rubber composition provided by the invention has high elasticity, high breaking strength and good tearing effect, a product has dimensional stability, and white spots and tracks are not formed on the surface of the product which is scrapped by hands.

Description

technical field [0001] The invention belongs to the field of rubber, in particular to a rubber composition, especially a high elastic rubber and a preparation process thereof. Background technique [0002] Although natural rubber raw rubber has better elasticity, the edge tearing effect of the product is poor. At present, fillers such as calcium carbonate, talcum powder, carbon black are added in natural rubber, as the patent No. is a kind of rubber composition disclosed by CN1407007A, although The tearing effect is improved to a certain extent, but the rubber elasticity decreases more obviously, and there will be permanent white spots and marks on the surface of the hand-scratched product, and the stability of the product size is also affected. Contents of the invention [0003] The purpose of the present invention is to provide a kind of high elasticity rubber and its preparation process, which solves the above-mentioned defects existing in the existing rubber. trace. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L9/02C08L9/06C08L9/00C08L27/06C08L63/00C08L25/06C08L97/02C08L1/24C08K13/06C08K9/10C08K7/20C08K3/36C08K3/34C08K3/22C08K5/09
CPCC08L7/00C08L2205/02C08L2205/035C08L2205/16C08L9/06C08L9/00C08L27/06C08L63/00C08L25/06C08L97/02C08K13/06C08K9/10C08K7/20C08K3/36C08K3/34C08K2003/2296C08K5/09C08L9/02C08L1/24
Inventor 汪必宽王明
Owner ANHUI LIXIN RUBBER TECH CO LTD
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