Tire inner liner rubber, application serving as tire inner liner rubber and preparation method of tire inner liner rubber

An inner liner and tire technology, applied in the field of tire rubber, can solve the problems of uneven dispersion of carbon black and small materials, whitening of the extrusion surface, and high Mooney, and achieve uniform distribution of components, low extrusion temperature, and high temperature. The effect of ozone resistance

Inactive Publication Date: 2019-03-26
SHANDONG RIKE CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The excellent air tightness and good flex fatigue resistance of bromobutyl rubber make it the main rubber type for the production of tire innerliners, but bromobutyl rubber has carbon black and uneven dispersion of small materials, and Mooney is relatively Disadvantages such as high, whitish extrusion surface and high cost

Method used

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  • Tire inner liner rubber, application serving as tire inner liner rubber and preparation method of tire inner liner rubber
  • Tire inner liner rubber, application serving as tire inner liner rubber and preparation method of tire inner liner rubber
  • Tire inner liner rubber, application serving as tire inner liner rubber and preparation method of tire inner liner rubber

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Experimental program
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Effect test

Embodiment 1

[0043]A rubber compound for tire inner liner, comprising the following raw materials in parts by weight: 32 parts of natural rubber, 65 parts of brominated butyl rubber, 22 parts of butyl reclaimed rubber, chlorinated polyethylene rubber and aromatic hydrocarbon oil according to 100:80 weight 5 parts of chlorinated polyethylene composite rubber, 2 parts of stearic acid 1801, 3 parts of tackifying resin SP1086, 0.35 parts of magnesium oxide, 7 parts of leveling agent RH-100, 13 parts of softener, 62 parts of carbon black N660, 22 parts of air blocking agent NM360, 0.6 parts of sulfur, 1.4 parts of DM and 4.0 parts of zinc oxide-80.

Embodiment 2

[0045] A rubber compound for tire inner liner, comprising the following raw materials in parts by weight: 30 parts of natural rubber, 60 parts of brominated butyl rubber, 20 parts of butyl reclaimed rubber, chlorinated polyethylene rubber and aromatic hydrocarbon oil according to 100:80 weight 10 parts of chlorinated polyethylene composite rubber, 2 parts of stearic acid 1801, 3 parts of tackifying resin, 0.3 part of magnesium oxide, 8 parts of leveling agent RH-100, 12 parts of softener, carbon 60 parts of black N660, 25 parts of air blocking agent NM360, 0.7 parts of sulfur, 1.45 parts of DM, 3.75 parts of zinc oxide-803.75 parts.

Embodiment 3

[0047] A rubber compound for tire inner liner, comprising the following raw materials in parts by weight: 35 parts of natural rubber, 70 parts of brominated butyl rubber, 25 parts of butyl reclaimed rubber, chlorinated polyethylene rubber and naphthenic oil according to 100:70 12 parts by weight of the prepared chlorinated polyethylene composite rubber, 3.5 parts of stearic acid 1801, 3.5 parts of tackifying resin, 0.4 part of magnesium oxide, 7 parts of leveling agent RH-100, 13 parts of softener, 65 parts of carbon black N660, 25 parts of air blocking agent NM360, 0.7 parts of sulfur, 1.2 parts of DM and 4 parts of zinc oxide-80.

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Abstract

The invention discloses tire inner liner rubber, application serving as tire inner liner rubber and a preparation method of the tire inner liner rubber. The tire inner liner rubber comprises the following raw materials in relative parts by weight: 30-40 parts of natural rubber, 65-75 parts of brominated butyl rubber, 20-30 parts of butyl reclaimed rubber, 5-20 parts of chlorinated polyethylene composite rubber, 2-5 parts of a dispersing agent, 3-5 parts of a tackifier, 0.2-0.5 part of magnesium oxide, 5-10 parts of a homogenizing agent, 10-15 parts of a softening agent, 60-70 parts of a filling agent, 20-30 parts of an air stopper, 0.5-1 part of a vulcanizing agent, 1-1.5 parts of an accelerant and 3-5 parts of an activating agent. The tire inner liner rubber disclosed by the invention canreplace brominated butyl rubber, the performance is improved, and the cost is greatly reduced.

Description

technical field [0001] The invention relates to the technical field of tire rubber, in particular to a rubber material for a tire inner liner. Background technique [0002] The airtightness of tires plays an important role in its safety performance, especially the airtightness of tires without tubes. The excellent air tightness and good flex fatigue resistance of bromobutyl rubber make it the main rubber type for the production of tire innerliners, but bromobutyl rubber has carbon black and uneven dispersion of small materials, and Mooney is relatively High, white extrusion surface, high cost and other disadvantages. [0003] Chlorinated polyethylene composite rubber has the advantages of low price and low Mooney. In the hot summer, if there is no separate refrigeration station in the internal mixing workshop, the temperature of the circulating water in the internal mixer reaches 28-30°C (standard ≤ 25°C), and the temperature rises faster, and the mixing time is shortened ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/28C08L7/00C08L23/22C08K13/02C08K5/09C08K3/22C08K3/04C08K3/06B60C1/00
CPCB60C1/00C08K2003/222C08K2003/2296C08L23/283C08L2201/08C08L2205/035C08L7/00C08L23/22C08L23/286C08K13/02C08K5/09C08K3/22C08K3/04C08K3/06
Inventor 赵东日王建华彭国锋刘孝阳
Owner SHANDONG RIKE CHEM
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