The invention discloses a composite polymer self-sealing rubber material, a self-sealing rubber strip and a self-sealing safety tire. The composite polymer self-sealing rubber material is composed of a component A and a component B, the component A is prepared from the following components in parts by weight: 25 to 45 parts of natural rubber, 10 to 18 parts of butyl rubber, 40 to 65 parts of butadiene styrene rubber, 5 to 10 parts of thermoplastic elastomer, 10.0 to 14.5 parts of plasticizer, 14.0 to 22.0 parts of tackifier, 2.2 to 4.6 parts of anti-aging agent, 10 to 16 parts of filler and 4.5 to 7.0 parts of active aid; the component B is prepared from the following components in parts by weight: 70 to 90 parts of silicon rubber, 13 to 35 parts of polyurethane resin, 0.3 to 1.2 parts of silane coupling agent, 10.0 to 16.0 parts of plasticizer, 14.0 to 22.0 parts of tackifier, 2.0 to 4.5 parts of anti-aging agent, 6.0 to 14.5 parts of filler, 3.5 to 5.5 parts of nano zinc oxide and 2.3 to 4.5 parts of stabilizer; the composite high-molecular self-sealing rubber material has relatively good mechanical property, self-sealing property and high-temperature aging resistance; and the self-sealing safety tire is not easy to separate after being integrally vulcanized with the mother tire, so that the safe and reliable self-sealing safety tire is prepared.
本发明公开了一种复合高分子自密封胶料、自密封胶条及自密封安全轮胎,所述复合高分子自密封胶料由A组分和B组分构成;所述A组分包括如下重量份组分:天然橡胶25~45份、丁基橡胶10~18份、丁苯橡胶40~65份、热塑性弹性体5~10份、增塑剂10.0~14.5份、增粘剂14.0~22.0份、防老剂2.2~4.6份、填充料10~16份、活性助剂4.5~7.0份;所述B组分包括如下重量份组分:硅橡胶70~90份、聚氨酯树脂13~35份、硅烷偶联剂0.3~1.2份、增塑剂10.0~16.0份、增粘剂14.0~22.0份、防老剂2.0~4.5份、填充料6.0~14.5份、纳米氧化锌3.5~5.5份和稳定剂2.3~4.5份;所述复合高分子自密封胶料具有较好的机械性能、自密封性和耐高温老化性能;且与母胎一体硫化后不易脱离,从而制备安全可靠的自密封安全轮胎。
Composite polymer self-sealing rubber material, self-sealing rubber strip and self-sealing safety tire
复合高分子自密封胶料、自密封胶条及自密封安全轮胎
2024-12-31
Patent
Electronic Resource
Chinese
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