Good-airtightness anti-aging tire rubber material

A rubber material and anti-aging technology, applied in the field of rubber tires, can solve the problems of tear resistance, sealing performance and aging resistance that cannot meet the needs, and achieve good physical and mechanical properties, excellent sealing performance, and excellent filling performance.

Inactive Publication Date: 2017-05-10
DELUN RUBBER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to prevent tires from exploding, the tear resistance, sealing performance and ...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A rubber material for tires with good airtightness and aging resistance. The raw materials include, by weight, 25 parts of nitrile rubber, 8 parts of polyurethane, 12 parts of binary ethylene propylene rubber, 12 parts of phenolic resin, 0.2 parts of ammonium dichromate, disulfide 2 parts of dibenzothiazole, 0.5 parts of oleic acid, 2 parts of stearic acid, 20 parts of modified cotton fiber, 8 parts of kaolin, 5 parts of feldspar, 50 parts of steatite, 2 parts of limestone, 5 parts of apatite, ceramics 5 parts of microspheres, 3 parts of acetyl tributyl citrate, 1 part of polyethylene wax, 2 parts of chlorinated paraffin, 0.5 parts of antioxidant AT-215, 2 parts of ultraviolet light absorber UV-531, ultraviolet light absorber TB75 1 serving.

Embodiment 2

[0019] A rubber material for tires with good airtightness and aging resistance. The raw materials include, by weight, 35 parts of nitrile rubber, 2 parts of polyurethane, 16 parts of binary ethylene propylene rubber, 5 parts of phenolic resin, 0.6 part of ammonium dichromate, disulfide 1 part of dibenzothiazole, 1.5 parts of oleic acid, 1 part of stearic acid, 30 parts of modified cotton fiber, 2 parts of kaolin, 10 parts of feldspar, 40 parts of steatite, 8 parts of limestone, 1 part of apatite, ceramics 15 parts of microspheres, 1 part of acetyl tributyl citrate, 2 parts of polyethylene wax, 1 part of chlorinated paraffin, 1.5 parts of antioxidant AT-215, 1 part of ultraviolet light absorber UV-531, ultraviolet light absorber TB75 2 servings.

Embodiment 3

[0021] A rubber material for tires with good airtightness and aging resistance. The raw materials include, by weight, 33 parts of nitrile rubber, 5 parts of polyurethane, 14 parts of binary ethylene propylene rubber, 6 parts of phenolic resin, 0.4 part of ammonium dichromate, disulfide 1.2 parts of dibenzothiazole, 1 part of oleic acid, 1.4 parts of stearic acid, 26 parts of modified cotton fiber, 4 parts of kaolin, 8 parts of feldspar, 44 parts of steatite, 6 parts of limestone, 2 parts of apatite, ceramics 14 parts of microspheres, 2 parts of acetyl tributyl citrate, 1.6 parts of polyethylene wax, 1.2 parts of chlorinated paraffin, 1.2 parts of antioxidant AT-215, 1.2 parts of ultraviolet light absorber UV-531, ultraviolet light absorber TB75 1.6 servings.

[0022] Modified cotton fiber is prepared by the following process:

[0023] By weight, 30 parts of cotton fiber and 200 parts of sodium hydroxide solution with a concentration of 1mol / L were mixed and stirred for 100 mi...

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PUM

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Abstract

The invention discloses a good-airtightness anti-aging tire rubber material. The good-airtightness anti-aging tire rubber material is prepared from the following raw materials in parts by weight: 25 to 35 parts of nitrile butadiene rubber, 2 to 8 parts of polyurethane, 12 to 16 parts of ethylene-propylene copolymer, 5 to 12 parts of phenolic resin, 0.2 to 0.6 part of ammonium dichromate, 1 to 2 parts of dibenzothiazyl disulfide, 0.5 to 1.5 parts of oleic acid, 1 to 2 parts of stearic acid, 20 to 30 parts of modified cotton fiber, 2 to 8 parts of kaolin, 5 to 10 parts of feldspar, 40 to 50 parts of lardite, 2 to 8 parts of limestone, 1 to 5 parts of apatite, 5 to 15 parts of ceramic microspheres, 1 to 3 parts of acetyl tributyl citrate, 1 to 2 parts of polyethylene wax, 1 to 2 parts of chlorinated paraffin, 0.5 to 1.5 parts of antioxidant AT-215, 1 to 2 parts of ultraviolet absorber UV-531 and 1 to 2 parts of ultraviolet absorber TB75. The good-airtightness anti-aging tire rubber material disclosed by the invention is good in tearing resistance, excellent in sealing performance and good in aging resistance.

Description

technical field [0001] The invention relates to the technical field of rubber tires, in particular to a tire rubber material with good sealing performance and aging resistance. Background technique [0002] As the main accessories of automobiles, tires are unavoidable to be worn and punctured during use, especially when a tire blows out in a high-speed automobile, it is very easy to cause serious accidents such as car crashes and fatalities. Therefore, various manufacturers are constantly improving the safety, environmental protection, and energy-saving requirements of tires. In order to prevent tires from exploding, the tear resistance, sealing performance and aging resistance of existing rubber tires cannot meet the needs and need to be solved urgently. Contents of the invention [0003] The invention provides a tire rubber material with good sealing performance and aging resistance, which has good tear resistance, excellent sealing performance and good aging resistance...

Claims

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Application Information

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IPC IPC(8): C08L9/02C08L75/04C08L23/16C08L61/06C08L51/02C08L23/06C08L91/06C08K13/04C08K7/18C08K5/42C08K5/09C08K3/34C08K5/11C08K5/132C08F251/02C08F220/06C08F222/38
CPCC08L9/02C08F251/02C08K2201/014C08L2201/08C08L2205/035C08L2205/16C08L75/04C08L23/16C08L61/06C08L51/02C08L23/06C08L91/06C08K13/04C08K7/18C08K5/42C08K5/09C08K3/346C08K5/11C08K5/132C08F220/06C08F222/385
Inventor 刘永华曹增义
Owner DELUN RUBBER
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