Title:
SELF-REPAIRING MATERIAL FOR PREVENTING TIRE PUNCTURE AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/248753
Kind Code:
A1
Abstract:
A self-repairing material for preventing tire puncture and a preparation method therefor, relating to the technical field of tire self-repair. The self-repairing material consists of an A material and a B material. The A material comprises the following raw materials in parts by weight: 70 to 90 parts of a polyether polyol, 5 to 20 parts of a cross-linking agent, 2 to 8 parts of an antioxidant, 0.5 to 4 parts of a yellowing-resistant agent, and 0.01 to 0.02 parts of a catalyst. The B material comprises the following raw materials in parts by weight: 60 to 80 parts of a polyether polyol, 20 to 39 parts of an isocyanate, 0.5 to 2 parts of an antioxidant, and 0.5 to 2.5 parts of a high temperature-resistant auxiliary. The self-repairing material has excellent high temperature resistance and low temperature resistance, good crimpability and flexibility, and good anti-fatigue and anti-aging effects, and a tire will not lose proper performance thereof under long-term high temperature and extrusion after the tire is punctured.
Inventors:
LIU LONG (CN)
Application Number:
PCT/CN2020/089714
Publication Date:
December 17, 2020
Filing Date:
May 12, 2020
Export Citation:
Assignee:
DONGGUAN XUCHEN ENVIRONMENTAL PROTECTION TECH CO LTD (CN)
International Classes:
C09J175/08; B29C73/16; B60C19/00; B60C19/12; C08G18/10; C08G18/48; C08G18/76; C08J9/04; C09J5/08
Foreign References:
| CN110283565A | 2019-09-27 | |||
| CN107325255A | 2017-11-07 | |||
| CN107325255A | 2017-11-07 | |||
| CN105219067A | 2016-01-06 | |||
| CN105219067A | 2016-01-06 | |||
| EP3450208A1 | 2019-03-06 | |||
| CN109293864A | 2019-02-01 |
Attorney, Agent or Firm:
BEIJING LINKAW PATENT ATTORNEY LAW FIRM (CN)
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