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A brake and rubber technology, applied in the direction of brake parts, etc., can solve the problems of difficult to guarantee temperature reliability, limited thickness of heat insulation layer, and complex structure.
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AI technical title is built by PatSnap AI team. It summarizes the technical point description of the patent document.
A brake and rubber technology, applied in the direction of brake parts, etc., can solve the problems of difficult to guarantee temperature reliability, limited thickness of heat insulation layer, and complex structure.
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[0024] As shown in the accompanying drawing, the specific process is as follows:
[0025] 1) Raw rubber mastication: In order to properly improve the plasticity of raw rubber, use an open rubber mixer with low roll temperature and variable roll distance (5-8mm to 1-1.5mm) to carry out mastication;
[0026] 2) Batching: crush the raw material components in the rubber formula other than synthetic raw rubber, that is, the compounding agent, and then mix with the raw rubber after mastication according to the mass parts specified in the rubber formula. glue;
[0027] 3) Mixing: use an open mixer for mixing, and the temperature of the mixing drum is always controlled at 50-60°C;
[0028] First, widen the roller pitch of the mixer to 5-8 mm, add the masticated raw rubber, active agent, vulcanizing agent and anti-aging agent in step 1) and knead for 4 minutes; then add reinforcing filler, tackifier, hardener, etc. Mix fatty acid for 8 minutes; then add plasticizer and mix for 1 minu...
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PUM
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Abstract
The present invention discloses the composition and producing process of rubber for brake. The rubber consists of synthetic rubber, sulfurizing agent, antiageing agent, activator, tackifier, stearic acid, promoter, reinforcing agent, platicizer, etc. The production process includes raw rubber plastication, mixing, hotmixing, forming and sulfurizing, and can obtain optimal material combination. The rubber product has raised stability against heat, oxygen and ageing, heat resistance, airtight performance, etc.
Description
Technical field [0001] The invention relates to a method for preparing rubber, in particular to a brake rubber formula and a processing technology thereof. Background technique [0002] When the car brakes, a large amount of heat is generated between the brake pad and the rubber airbag, which causes local high temperature on the outer edge of the rubber airbag, which has a great impact on the service life of the rubber airbag made of ordinary rubber materials. For this reason, the automotive annular expansion brakes involved in Chinese patents 85103272, 96201435.4, and 01232407.8 all adopt heat insulation treatment in the elastic rubber airbags included in it, that is, fill with a heat insulating layer between the rubber airbags and the brake pads, so as to The temperature of the rubber airbag during braking will not be too high, thereby affecting its service life. However, due to the limited thickness of the filled heat insulation layer, the heat insulation effect is not v...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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