A kind of preparation method of damping rubber

A technology of shock-absorbing rubber and preparation steps is applied in the field of preparing shock-absorbing rubber, which can solve the problems of short service life, inability to be dissipated in time, and accelerated thermal-oxidative aging of rubber, so as to improve roughness and avoid thermal-oxidative aging of rubber. , to avoid the effect of stress concentration

Active Publication Date: 2019-01-01
SHENZHEN SIKING SILICONE RUBBER PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem mainly solved by the present invention is: during the use of the traditional shock-absorbing rubber material, the mechanical energy absorbed by the shock-absorbing material cannot be dissipated in time after being converted into heat energy, which will accelerate the thermal oxygen aging of the rubber, resulting in a shorter service life of the product problem, a preparation method of shock-absorbing rubber is provided

Method used

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  • A kind of preparation method of damping rubber
  • A kind of preparation method of damping rubber

Examples

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example 1

[0020] According to the mass ratio of 1:60, mix the alkali-free glass fiber and the dopamine solution with a mass concentration of 2g / L and pour it into a beaker, and move the beaker into a magnetic stirrer with a digital constant temperature and speed measurement at a temperature of 60°C and a speed of 400r / min. Stir and mix at constant temperature for 60 minutes, filter to obtain a filter cake, which is the pretreated glass fiber; add the obtained pretreated glass fiber and 10% ferric chloride solution in a mass ratio of 1:40 into the reactor, and The temperature is 50°C, the rotation speed is 400r / min, after stirring and dispersing at constant temperature for 60min, add 10% urea solution with a mass fraction twice the volume of ferric chloride solution to the reaction kettle dropwise, and control the dropping rate of urea solution to 10mL / min, when the urea solution is added dropwise, continue to stir the reaction at constant temperature for 3h, and when the reaction is ove...

example 2

[0022]In parts by weight, successively take 100 parts of hydrogenated nitrile rubber, 10 parts of polymethyl methacrylate, 10 parts of polyvinyl chloride resin, 10 parts of C5 petroleum resin, 10 parts of glass fiber, 3 parts of sulfur, and 3 parts of accelerator M, 3 parts of anti-aging agent, 2 parts of plasticizer, first put the hydrogenated nitrile rubber in an open mill, and masticate for 10 minutes at a temperature of 40 ° C, then add polymethyl methacrylate, polychloride Vinyl resin, C5 petroleum resin, glass fiber, sulfur, accelerator M, anti-aging agent and plasticizer were mixed for 10 minutes at a temperature of 150°C. During the mixing process, a strength of 50T was applied to the materials in the open mill. After the mixing is completed, discharge the material, and then let it stand at room temperature for 8 hours to obtain the mixed rubber, and transfer the obtained mixed rubber into a flat vulcanizing machine at a temperature of 200 °C and a pressure of 30 MPa. ...

example 3

[0024] According to the mass ratio of 1:60, mix glass fiber and dopamine solution with a mass concentration of 2g / L and pour it into a beaker, and move the beaker into a magnetic stirrer with a digital display, constant temperature and speed measurement, at a temperature of 60°C and a speed of 400r / min. , stirred and mixed at a constant temperature for 60 minutes, filtered to obtain a filter cake, which is the pretreated glass fiber; the obtained pretreated glass fiber and a mass fraction of 10% ferric chloride solution were added to the reactor at a mass ratio of 1:40, and the temperature was At 50°C and a rotating speed of 400r / min, stir and disperse at a constant temperature for 60min, then add a 10% urea solution with a mass fraction twice the volume of the ferric chloride solution to the reactor dropwise, and control the dropping rate of the urea solution to 10mL / min , after the addition of the urea solution is completed, continue to stir and react at a constant temperatur...

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Abstract

The invention discloses a preparation method of shock absorbing rubber and belongs to the technical field of high polymer materials. The preparation method comprises steps as follows: firstly, glass fibers are soaked with a dopamine solution, pretreated glass fibers are prepared, then the glass fibers and a ferric chloride solution are mixed uniformly, a precipitant urea solution is dropwise added, and after the reaction, modified glass fibers are obtained through aging, filtering, washing and drying; hydrogenated butadiene-acrylonitrile rubber is subjected to plastication, polymethyl methacrylate, polyvinyl chloride resin, petroleum resin, the modified glass fibers, sulfur, an accelerant, an anti-aging agent and a plasticizer are added sequentially for mixing, an external magnetic field is applied in a mixing process, a rubber compound is obtained after still standing treatment, finally, the rubber compound is heated to be vulcanized, and the shock absorbing rubber is obtained. The obtained shock absorbing rubber has excellent stability and mechanical properties, the service life of the shock absorbing rubber is longer than that of traditional shock absorbing rubber, and the mechanical properties keep good.

Description

technical field [0001] The invention discloses a preparation method of shock-absorbing rubber, which belongs to the technical field of polymer materials. Background technique [0002] Shock absorption has important uses in mechanical equipment, railway tracks, ships, bridges, aerospace and other aspects. Especially in recent years, frequent earthquakes have caused damage to society and nature directly or indirectly, making shock absorption particularly important. In shock-absorbing materials, rubber plays an increasingly important role and is the direction of development of shock-absorbing materials. Rubber is characterized by both high elasticity and high viscosity, and its unique comprehensive mechanical properties, that is, low adjustable modulus and high intrinsic damping, making it effective in cushioning, shock absorption and dynamic sealing. The effect is unparalleled. The shock absorption principle of rubber products is to use the high viscosity of rubber to absor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L15/00C08L33/12C08L27/06C08L57/02C08K13/06C08K9/04C08K9/02C08K7/14C08K5/18C08K5/39
CPCC08L15/005C08L2201/08C08L2205/035C08L33/12C08L27/06C08L57/02C08K13/06C08K9/04C08K9/02C08K7/14C08K5/18C08K5/39
Inventor 王海霞许蘅陈龙
Owner SHENZHEN SIKING SILICONE RUBBER PROD
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