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Rubber material for automobile transmission belt and preparation method therefor

A technology of rubber materials and conveyor belts, applied in the field of rubber materials, can solve the problems of poor stretch resistance and inability to take care of both at the same time, and achieve the effect of combining hardness and stretch resistance, low cost, and excellent overall performance

Inactive Publication Date: 2016-01-13
SUZHOU GOODTIME TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there are a large number of rubber materials for conveyor belts in the prior art, which have heat resistance, wear resistance, and stretch resistance, but there are also some defects, such as low hardness, poor stretch resistance, and strong stretch resistance. When the hardness is high, the two often cannot be taken into account at the same time

Method used

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  • Rubber material for automobile transmission belt and preparation method therefor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Party:

[0023] 60 parts of acrylic resin, 40 parts of styrene-butadiene rubber, 50 parts of natural rubber, 1 part of silane coupling agent, 2 parts of sulfur, 1 part of zinc oxide, 2 parts of cumene hydrogen peroxide, 0.1 part of anti-aging agent, tetramethyl disulfide 0.3 parts of thiuram, 30 parts of isopropanol.

[0024] The molecular weight of the acrylic resin is 80000.

[0025] Preparation:

[0026] (1) Get silane coupling agent, zinc oxide and cumene hydroperoxide, join in the isopropanol, make initial mixture;

[0027] (2) Add acrylic resin, styrene-butadiene rubber and natural rubber to the above initial mixture, then add anti-aging agent and tetramethylthiuram disulfide, and stir at 2000r / min for 20 minutes at 40°C to obtain masterbatch;

[0028] (3) Molding the above-mentioned masterbatch, and vulcanizing it with sulfur.

Embodiment 2

[0030] Party:

[0031] 60 parts of acrylic resin, 60 parts of styrene-butadiene rubber, 70 parts of natural rubber, 9 parts of titanate coupling agent, 6 parts of sulfur, 7 parts of zinc oxide, 8 parts of cumene hydrogen peroxide, 0.5 parts of anti-aging agent, disulfide 0.7 parts of tetramethylthiuram, 40 parts of isopropanol.

[0032] The molecular weight of the acrylic resin is 100,000.

[0033] Preparation:

[0034] (1) Take titanate coupling agent, zinc oxide and cumene hydroperoxide, and add them to isopropanol to make initial mixture;

[0035] (2) Add acrylic resin, styrene-butadiene rubber and natural rubber to the above initial mixture, then add anti-aging agent and tetramethylthiuram disulfide, stir at 4000r / min for 40 minutes at 60°C to obtain masterbatch;

[0036] (3) Molding the above-mentioned masterbatch, and vulcanizing it with sulfur.

Embodiment 3

[0038] Party:

[0039] 60 parts of acrylic resin, 50 parts of styrene-butadiene rubber, 60 parts of natural rubber, 5 parts of aluminate coupling agent, 4 parts of sulfur, 4 parts of zinc oxide, 5 parts of cumene hydrogen peroxide, 0.3 parts of anti-aging agent, disulfide 0.5 parts of tetramethylthiuram, 35 parts of isopropanol.

[0040] The molecular weight of the acrylic resin is 90,000.

[0041] Preparation:

[0042] (1) Get aluminate coupling agent, zinc oxide and cumene hydroperoxide, join in the isopropanol, make initial mixture;

[0043] (2) Add acrylic resin, styrene-butadiene rubber and natural rubber to the above initial mixture, then add anti-aging agent and tetramethylthiuram disulfide, stir at 3000r / min for 30 minutes at 50°C to obtain masterbatch;

[0044] (3) Molding the above-mentioned masterbatch, and vulcanizing it with sulfur.

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Abstract

The invention discloses a rubber material for an automobile transmission belt and a preparation method therefor. The rubber material is mainly prepared from the following ingredients in parts by weight: 60 parts of acrylic resin, 40-60 parts of styrene-butadiene rubber, 50-70 parts of natural rubber, 1-9 parts of coupling agent, 2-6 parts of curing agent, 1-7 parts of zinc oxide, 2-8 parts of isopropyl benzene hydroperoxide, 0.1-0.5 part of anti-aging agent, 0.3-0.7 part of accelerant and 30-40 parts of isopropyl alcohol. Compared with the prior art, the rubber material for the automobile transmission belt and the preparation method therefor disclosed by the invention have the advantages that the process is simple, the cost is low, the rubber material has the heat resistance and wear resistance of transmission belts in the prior art, and most importantly, wear resistance and tensile resistance can be simultaneously taken into account, so that the overall performance is excellent.

Description

technical field [0001] The invention relates to a rubber material for an automobile conveyor belt and a preparation method thereof, belonging to the technical field of rubber materials. Background technique [0002] The transmission belt, also known as the power belt, is a connecting belt that transmits the power generated by the rotation of the motor or engine of the prime mover to the mechanical equipment. Transmission belt is the main part of mechanical transmission, and its performance directly affects the quality of mechanical equipment. With the development of new textile machinery, automobile and other industries, the requirements for transmission belts are getting higher and higher. From the perspective of transmission belt materials, it has developed from natural rubber to synthetic rubber, and further expanded to special synthetic rubber CSM, HNBR, etc. Due to the increase in vehicle speed, the engine room temperature rises, and the ambient temperature of auto par...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L33/00C08L9/06C08L7/00C08K13/02C08K3/22C08K5/14C08K5/05C08K3/06C08K5/40
Inventor 周波
Owner SUZHOU GOODTIME TECH DEV
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