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Sealant for self-repairing tire, preparation method of sealant, and self-repairing tire

A sealant, self-healing technology, applied in the field of tire manufacturing, can solve problems such as increasing fuel consumption, increasing tire weight and rolling resistance, and achieves the effect of preventing rapid gas leakage, ensuring balance and effective self-tightness

Pending Publication Date: 2022-02-18
ZHONGCE RUBBER GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

All these designs present on the market significantly increase the weight and rolling resistance of the tire and thus increase the fuel consumption in the operation of the motor vehicle

Method used

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  • Sealant for self-repairing tire, preparation method of sealant, and self-repairing tire
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  • Sealant for self-repairing tire, preparation method of sealant, and self-repairing tire

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Embodiment Construction

[0039] The technical solutions in the embodiments will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are only a part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0040] Reference example of the present invention, comparative example 1, the formula of embodiment 1-3 and performance index are as shown in table 1:

[0041] Table (1) formula and performance index

[0042]

[0043] The mixing method of the mixture of the present invention is different from the traditional mixing method, and the traditional mixing method is to use an internal mixer to mix. The traditional internal mixer mixing method cannot meet the processing of rubber materials in which...

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Abstract

The invention relates to the field of tire manufacturing, in particular to a sealant for a self-repairing tire, a preparation method of the sealant, and the self-repairing tire. The sealant is prepared from the following components in percentage by mass: 80 to 100 parts of butyl rubber; 0 to 20 parts of conjugated diene rubber; 5 to 70 parts of a reinforcing filler, which comprises 5 to 60 parts of carbon black and 0 to 30 parts of an inorganic filler; 50 to 500 parts of a liquid olefin compound; 0 to 50 parts of resin; and 2 to 20 parts of a vulcanizing agent. The mixture for the self-sealing tire has the effects that after the tire is punctured by a sharp object, the surface of the punctured object is coated with the mixture, and air in the tire is prevented from leaking quickly; when the tire is punctured by a sharp object or the sharp object is pulled out, the self-sealing mixture is used for repairing and sealing a hole formed in the tire by the sharp object, so gas in the tire is prevented from quickly leaking; and the self-sealing mixture allows the tire to be further used without repairing.

Description

technical field [0001] The invention relates to the field of tire manufacture, in particular to a self-repair tire sealant, a preparation method thereof and a self-repair tire. Background technique [0002] Now people pay more and more attention to environmental protection, and the requirements for gas emissions are getting higher and higher, especially the exhaust emissions of automobiles. When automakers produce new energy vehicles and gasoline vehicles, they reduce the weight of the car body to reduce vehicle exhaust emissions; at the same time, they also optimize the interior space of the car, improve the comfort of the car, and cancel the spare tire of the car. [0003] During the operation of the pneumatic tires used by automobiles, due to foreign matter piercing the tires, the tires will leak, and the tire leaks will lead to unstable driving conditions, which requires immediate replacement of tires or temporary repairs to tires. In order to keep the vehicle in runnin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J123/20C09J123/22C09J109/00C09J11/04C09J11/06B29C73/16B29D30/06
CPCC09J123/22C09J11/04C09J11/06B29C73/163B29D30/0685C08L23/22C08L23/283C08L57/02C08K7/26C08K5/14
Inventor 刘辉陆晓祺董兴旺王丹灵陈生
Owner ZHONGCE RUBBER GRP CO LTD
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