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Low-temperature-resistant damping composite rubber material

A composite rubber and low-temperature-resistant technology, applied in the field of polymer functional materials, can solve problems such as affecting life, high friction and extrusion, polluting the environment, etc., and achieve the effect of improving shock-absorbing performance and good shock-absorbing effect

Inactive Publication Date: 2020-01-07
苏州鼎立工业胶辊有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the rapid development of modern industry, vibration and noise have become serious problems in various fields: it will reduce the operation accuracy, affect product quality; shorten product life; endanger safety, cause early damage to equipment or structures; pollute the environment and affect the body healthy
[0004] During the operation of the rubber roller, it usually produces a large amount of friction and extrusion, so it will generate a lot of vibration, which will not only affect the product quality, but also affect its own life. How to reduce these vibrations has become an important proposition.

Method used

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Comparison scheme
Effect test

Embodiment 1

[0028] The low-temperature shock-absorbing composite rubber material of the present invention comprises 100 parts by weight of butadiene rubber, a composition of chloroprene rubber and natural rubber, 20 parts by weight of modified clay, 2 parts by weight of sulfur, 1 part by weight of Accelerator DM, 5 parts by weight of zinc oxide, 1 part by weight of stearic acid and 0.6 parts by weight of antioxidant; the ratio of the butadiene rubber, chloroprene rubber and natural rubber is 3:1:2, the modified clay The particle size is 100-800nm.

[0029] The preparation method of modified clay is:

[0030] The first step: purification of clay;

[0031] The second step: use fluidized bed jet mill to pulverize;

[0032] Step 3: Stir and mix the pulverized clay with organic amine modifier and coupling agent at high speed under elevated temperature;

[0033] The fourth step: lowering the temperature to obtain modified clay.

[0034] The preparation method of the low-temperature shock-ab...

Embodiment 2

[0037] The low-temperature shock-absorbing composite rubber material of the present invention comprises 100 parts by weight of butadiene rubber, a composition of chloroprene rubber and natural rubber, 25 parts by weight of modified clay, 3 parts by weight of sulfur, 1.5 parts by weight of Accelerator DM, 5 parts by weight of zinc oxide, 1 part by weight of stearic acid and 0.8 parts by weight of antioxidant; the ratio of the butadiene rubber, chloroprene rubber and natural rubber is 4:1:1, the modified clay The particle size is 100-800nm.

[0038] The preparation method of modified clay is:

[0039] The first step: purification of clay;

[0040] The second step: use fluidized bed jet mill to pulverize;

[0041] Step 3: Stir and mix the pulverized clay with organic amine modifier and coupling agent at high speed under elevated temperature;

[0042] The fourth step: lowering the temperature to obtain modified clay.

[0043] The preparation method of the low-temperature shock...

Embodiment 3

[0046] The low-temperature shock-absorbing composite rubber material of the present invention comprises 100 parts by weight of butadiene rubber, a composition of chloroprene rubber and natural rubber, 25 parts by weight of modified clay, 3 parts by weight of sulfur, 1.5 parts by weight of Accelerator CZ, 5 parts by weight of zinc oxide, 1 part by weight of stearic acid and 0.8 parts by weight of antioxidant; the ratio of the butadiene rubber, chloroprene rubber and natural rubber is 4:1:2, the modified clay The particle size is 100-800nm.

[0047] The preparation method of modified clay is:

[0048] The first step: purification of clay;

[0049] The second step: use fluidized bed jet mill to pulverize;

[0050] Step 3: Stir and mix the pulverized clay with organic amine modifier and coupling agent at high speed under elevated temperature;

[0051] The fourth step: lowering the temperature to obtain modified clay.

[0052] The preparation method of the low-temperature shock...

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Abstract

The invention provides a low-temperature-resistant damping composite rubber material. The low-temperature-resistant damping composite rubber material comprises the following components in parts by weight: 100 parts of rubber, 20-30 parts of modified clay and a compounding agent, the preparation method comprises the following steps: adjusting the roller spacing of a double-roller open mill to 5-6mm, adding the rubber, slowly adding the modified clay, uniformly mixing, sequentially adding the compounding agent to obtain a mixture, and vulcanizing on a press vulcanizer for 20 minutes at the vulcanizing temperature of 140-145 DEG C and under the pressure of 8.5 MPa. The low-temperature-resistant damping composite rubber is externally coated on a rubber roller prepared from a metal core material, so that the rubber roller not only has good damping performance, but also has good low-temperature resistance and mechanical property, can operate at low temperature, and the service life of the rubber roller can be obviously prolonged at the same time.

Description

technical field [0001] The invention relates to the field of polymer functional materials, in particular to a low-temperature-resistant shock-absorbing composite rubber material. Background technique [0002] Under dynamic conditions, as long as there is an unbalanced body, the object will inevitably vibrate, and the vibration will inevitably produce noise. With the rapid development of modern industry, vibration and noise have become serious problems in various fields: it will reduce the operation accuracy, affect product quality; shorten product life; endanger safety, cause early damage to equipment or structures; pollute the environment and affect the body healthy. Therefore, the study and mastery of vibration control and noise control technologies has become a major issue facing the development of industries in various countries. [0003] As a shock-absorbing rubber product, its main function is to absorb the vibration energy emitted by the shock source, especially to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/00C08L11/00C08L7/00C08K13/06C08K9/04C08K3/34C08K3/22C08K5/09
CPCC08K2003/2296C08K2201/003C08L9/00C08L2205/03C08L11/00C08L7/00C08K13/06C08K9/04C08K3/346C08K3/22C08K5/09
Inventor 钱林根
Owner 苏州鼎立工业胶辊有限公司