Resonance damping material produced by using waste rubber
A technology of waste rubber and damping sheet, applied in the field of damping sheet, can solve the problem of inability to perform high performance, and achieve the effect of high viscosity, good water resistance and high temperature resistance.
Inactive Publication Date: 2013-02-13
GUANGDE TIANYUN NEW TECH
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AI Technical Summary
Problems solved by technology
Conventional damping sheets for automobiles or air conditioners on the market, although there are a variety of raw materials, cannot meet high performance standards at low cost and low investment.
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment 1
[0014] Raw material ratio of damping sheet: butyl rubber 5%; butyl reclaimed rubber 15%; rubber oil 6%; isobutylene 3%; white carbon black 4%; carbon black 5%; iron powder 42%; talcum powder 20%.
Embodiment 2
[0017] Raw material ratio of damping sheet: butyl rubber 8%; butyl reclaimed rubber 5%; rubber oil 8%; isobutylene 5%; white carbon black 3%; carbon black 2%; iron powder 69%.
[0018] Among them, the tackifier used is terpene resin and asphalt, which are mixed in a ratio of 1:1.
Embodiment 3
[0020] Raw material ratio of damping sheet: 10% butyl rubber; 8% butyl reclaimed rubber; 10% rubber oil; 8% isobutylene; 6% white carbon black; 2% carbon black; 56% iron powder.
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The invention provides a resonance damping material produced by using waste rubber, which comprises the following raw materials in percentage by weight: 5 to 20% of butyl rubber, 2 to 15% of reclaimed butyl rubber, 5 to 20% of rubber oil, 2 to 15% of isobutene, 1 to 10% of white carbon black, 0.1 to 5% of carbon black, and 50 to 80% of powdered iron. The resonance damping material produced by using waste rubber can well resist high temperature because of reasonable selection and ratio of raw materials. Tests prove that the damping material can run for a regular time at a high temperature of 150 DEG. In addition, the damping material obtained by the invention has high waterproof performance and high adhesive strength as well as strong shock and noise absorbing performance.
Description
technical field [0001] The invention relates to the field of automobile brake system materials, in particular to a damping sheet material for preventing resonance produced by using waste rubber. Background technique [0002] The function of the damping sheet is to reduce shock, that is, to reduce the damage to the car body caused by the vibration of the engine during operation, mainly to reduce the possibility of resonance and prevent damage to the car body by the rigid connection, and to reduce noise, that is, to reduce the rigid connection. Causes noise transmission or amplification to the vehicle body. Conventional damping sheets for automobiles or air conditioners on the market, although there are a variety of raw materials, cannot meet high performance standards at low cost and low investment. Therefore, the raw materials and proportions of automobile or air-conditioning damping sheets and the performance indicators that can be achieved have become common problems that...
Claims
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IPC IPC(8): C08L23/22C08L17/00C08K13/02C08K3/08C08K5/01C08K3/36C08K3/04C08K3/34
Inventor 潘建新张陆贤
Owner GUANGDE TIANYUN NEW TECH
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