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A technology of damping rubber and styrene-butadiene rubber is applied in the field of damping rubber to achieve the effect of improving creep characteristics
Inactive Publication Date: 2015-02-11
LIUZHOU CITY TONGJIN AUTOMOBILE PARTS MFG CO LTD
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[0002] In order to reduce the vibration and noise of motor vehicles, vibration-damping rubber is generally used to achieve this purpose. This type of vibration-damping rubber has good creep characteristics, otherwise it will directly affect the life of the product and the safety of the vehicle. However, the existing The compression creep index of damping rubber generally reaches 15-30%
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Embodiment 1
[0011] By weight, 100 parts of styrene-butadiene rubber and 20 parts of natural rubber were masticated on the rubber mixer for 10 minutes, and then 40 parts of carbon black N660, silica (specific surface area of 160-180m 2 / g) 20 parts, 2 parts of diethyl suberate, 1 part of anti-aging agent 4010NA, 1 part of sulfur, 1 part of accelerator TMTD, 3 parts of crosslinking agent zinc oxide, 1 part of protective wax paraffin and 1 part of stearic acid , after kneading at 50°C for 50 minutes, extrusion molding, vulcanization at 130°C for 50 minutes to obtain vibration-damping rubber, compression creep index: 8.1%.
Embodiment 2
[0013] By weight, 100 parts of styrene-butadiene rubber and 25 parts of natural rubber were masticated on the rubber mixer for 15 minutes, and then 15 parts of carbon black N660, silica (specific surface area of 160-180m 2 / g) 10 parts, 10 parts of diethyl suberate, 3 parts of antioxidant 4010NA, 3 parts of sulfur, 4 parts of accelerator TMTD, 5 parts of cross-linking agent zinc oxide, 2 parts of protective wax paraffin and 2 parts of stearic acid , after kneading at 55°C for 50 minutes, extrusion molding, vulcanization at 140°C for 50 minutes to obtain vibration damping rubber, compression creep index: 7.6%.
Embodiment 3
[0015] By weight, masticate 100 parts of styrene-butadiene rubber and 30 parts of natural rubber on the rubber mixer for 10 minutes, then add 30 parts of carbon black N660, silica (specific surface area of 160-180m 2 / g) 20 parts, 20 parts of diethyl suberate, 4 parts of antioxidant 4010NA, 5 parts of sulfur, 5 parts of accelerator TMTD, 8 parts of crosslinking agent zinc oxide, 1 part of protective wax paraffin and 1 part of stearic acid , after kneading at 60°C for 50 minutes, extrusion molding, vulcanization at 130°C for 60 minutes to obtain vibration damping rubber, compression creep index: 8.5%.
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Abstract
The invention discloses shock absorbing rubber. The shock absorbing rubber comprises the following ingredients: 100 parts by weight of butadiene styrene rubber, 20-30 parts by weight of natural rubber, 10-40 parts by weight of carbon black, 10-30 parts by weight of silicon dioxide, 2-20 parts by weight of suberic acid diethyl ester, 1-4 parts by weight of anti-aging agent, 1-5 parts by weight of vulcanizing agent, 1-5 parts by weight of accelerant and 3-8 parts by weight of cross-linking agent, wherein the weight ratio of the carbon black to the silicon dioxide is (1.5-2):1. Compared with existing shock absorbing rubber, the shock absorbing rubber has the advantage that the creep property is improved obviously.
Description
technical field [0001] The invention relates to a vibration-damping rubber. Background technique [0002] In order to reduce the vibration and noise of motor vehicles, vibration-damping rubber is generally used to achieve this purpose. This type of vibration-damping rubber has good creep characteristics, otherwise it will directly affect the life of the product and the safety of the vehicle. However, the existing The compression creep index of damping rubber generally reaches 15-30%. Contents of the invention [0003] The technical problem to be solved by the invention is to overcome the existing defects and provide a vibration-damping rubber. [0004] In order to solve the problems of the technologies described above, the present invention provides the following technical solutions: [0005] A vibration-damping rubber, comprising the following components in parts by weight: [0006] 100 parts of styrene-butadiene rubber, 20-30 parts of natural rubber, 10-40 parts of ca...
Claims
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Application Information
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