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Rubber assembly for booster of automobile brake system and its manufacuturing process

A technology of automobile braking system and vacuum booster, applied in the direction of brakes, vehicle parts, brake transmission devices, etc., can solve the problem of tensile strength, elongation tear resistance, impact elastic compression and tensile deformation, heat aging Failure to meet the requirements and other problems to achieve the effect of improving the tensile strength

Inactive Publication Date: 2008-07-02
ANHUI ZHONGDING HLDG (GRP) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The rubber components of the domestic vehicle braking system booster have serious quality problems, such as tensile strength, elongation, tear resistance, impact elasticity, compression and tensile deformation, heat aging resistance, etc., which cannot meet the requirements. Therefore, most of the rubber parts of medium and high-end cars are imported.

Method used

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  • Rubber assembly for booster of automobile brake system and its manufacuturing process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The proportioning of the components by weight is:

[0028] SBR: 80 Carbon black: 55

[0029] Dioctyl Phthalate: 3 Indirect Zinc Oxide: 4

[0030] Stearic acid: 1 Anti-aging agent: 2

[0031] Sulfur S-80: 0.2 Vulcanizing agent DTDM: 0.5

[0032] Accelerators: 3

Embodiment 2

[0034] The proportioning of the components by weight is:

[0035] SBR: 100 Carbon black: 58

[0036] Dioctyl Phthalate: 5 Indirect Zinc Oxide: 5

[0037] Stearic acid: 1.5 Anti-aging agent: 3

[0038] Sulfur S-80: 0.3 Vulcanizing agent DTDM: 1

[0039] Accelerator: 3.3

Embodiment 3

[0041] The proportioning of the components by weight is:

[0042] SBR: 120 Carbon black: 65

[0043] Dioctyl phthalate: 7 Indirect zinc oxide: 6

[0044] Stearic acid: 2 Anti-aging agent: 4

[0045] Sulfur S-80: 0.4 Vulcanizing agent DTDM: 1.5

[0046] Accelerators: 4

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Abstract

The present invention relates to sealing rubber assembly for booster of automobile brake system and its making process. The materials include styrene butadiene rubber, carbon black, dioctyl phthalate, indirectly prepared zinc oxide, stearic acid, antiager, sulfur S-80, vulcanizing agent DTDM and promoter in certain weight proportion. The making process includes mixing the materials and synthesizing the rubber in a Banbury mixer; roll mixing the rubber material in a blending roll to form and vulcanizing in a vulcanizer at the pressure of 120-160 Kgf / sq cm and temperature of 190-200 deg.c for 80-100 sec. The product of the present invention has high tensile strength, great elongation, high tear strength, etc.

Description

technical field [0001] The invention relates to a rubber component for a vehicle, in particular to a rubber component used for a booster of a vehicle brake system and a manufacturing process thereof. Background technique [0002] In recent years, vacuum boosters have been more and more widely used in automobile braking systems. Light buses, cars, and commercial vehicles all use this structure, and most light trucks also use it. With the continuous prosperity of the car market, the use of vacuum boosters has been increasing year by year. However, because the rubber parts of the vacuum booster for medium and high-end cars are key parts, they are also a weak link in domestic cars. The rubber components of the domestic vehicle braking system booster have serious quality problems, such as tensile strength, elongation, tear resistance, impact elasticity, compression and tensile deformation, heat aging resistance, etc., which cannot meet the requirements. Therefore, most of the ru...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L9/08C08K5/12B60T13/52
Inventor 夏鼎湖马小鹏蔡佩亮袁玉虎郭成新兰泽军
Owner ANHUI ZHONGDING HLDG (GRP) CO LTD
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