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Rubber modification method

A technology of rubber modification and modifier, applied in the field of rubber, can solve problems such as long modification time, and achieve the effect of good modification effect and simple process

Inactive Publication Date: 2016-08-31
LIUZHOU YINGHANG AUTO PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of this invention is to provide a kind of rubber modification method, this method can solve the problem that the modification time of existing rubber modification technology is long

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] The rubber modification method in this embodiment is as follows: pulverize butyl rubber to obtain rubber powder, transfer it to the reaction kettle, add modifier and solvent to the reaction kettle, then transfer it to the ultrasonic instrument, and set the power of the ultrasonic instrument to 500 watts , ultrasonic for 15 minutes, to be cooled to room temperature, extrusion molding; wherein, the modifier is acrylic acid, the quality of the acrylic acid is 1% of the total mass of butyl rubber; the solvent is turpentine or ethanol, the solvent The mass accounts for 20% of the total mass of butyl rubber.

Embodiment 2

[0013] The rubber modification method in this embodiment is as follows: pulverize butyl rubber to obtain rubber powder, transfer it to the reaction kettle, add modifier and solvent to the reaction kettle, then transfer it to the ultrasonic instrument, and set the power of the ultrasonic instrument to 600 watts , ultrasonic for 10 minutes, cooled to room temperature, and extruded; wherein, the modifier is acrylic acid, and the quality of the acrylic acid is 1.5% of the total mass of butyl rubber; the solvent is turpentine or ethanol, and the solvent The mass accounts for 23% of the total mass of butyl rubber.

Embodiment 3

[0015] The rubber modification method in this embodiment is as follows: pulverize butyl rubber to obtain rubber powder, transfer it to the reaction kettle, add modifier and solvent to the reaction kettle, then transfer it to the ultrasonic instrument, and set the power of the ultrasonic instrument to 560 watts , ultrasonic for 13 minutes, to be cooled to room temperature, extrusion molding; wherein, the modifier is acrylic acid, the quality of the acrylic acid is 2% of the total mass of butyl rubber; the solvent is turpentine or ethanol, the solvent The mass accounts for 27% of the total mass of butyl rubber.

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Abstract

The invention discloses a rubber modification method. The method comprises the steps that butyl rubber is smashed to obtain rubber powder and shifted into a reaction still, a modifier and a solvent are added into the reaction still and then shifted into an ultrasonoscope, the power of the ultrasonoscope is set to be 500-600 W, ultrasonic treatment is performed for 10-20 min, and after the temperature is decreased to the room temperature, extrusion molding is performed, wherein the modifier is acrylic acid, and the mass of the acrylic acid is 1-2% of the total mass of the butyl rubber; the solvent is turpentine or ethyl alcohol, and the mass of the solvent is 20-30% of the total mass of the butyl rubber. According to the rubber modification method, rubber modification can be completed only within tens of minutes, the technology is simple, the modification effect is better, and the produced modified rubber has the good wear resistance and high elasticity, breaking strength and elongation.

Description

technical field [0001] The invention relates to the technical field of rubber, in particular to a rubber modification method. Background technique [0002] Halogenation modification of butyl rubber has become a relatively mature butyl rubber modification technology, and its main products are chlorinated butyl rubber and brominated butyl rubber. In addition to retaining the low air permeability, shock absorption, ozone resistance and chemical medium resistance of ordinary butyl rubber, chlorinated butyl rubber also adds characteristics that ordinary butyl rubber does not have, such as fast vulcanization speed, and natural rubber, The compatibility and adhesion of styrene-butadiene rubber have been improved, and it can be vulcanized with zinc oxide alone, which has better heat resistance and so on. However, the existing modification methods all need several hours and take a long time, and the physical and mechanical properties of the rubber are weakened during the modificatio...

Claims

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Application Information

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IPC IPC(8): C08F255/10C08F220/06
CPCC08F255/10
Inventor 莫海燕
Owner LIUZHOU YINGHANG AUTO PARTS