Shared bike inflation-free tire rubber

The invention discloses a shared bike inflation-free tire rubber which is prepared from, by weight, 40-65 parts of polyurethane rubber, 5-11 parts of nitrile rubber, 10-16 parts of chlorinated paraffin, 2-12 parts of silicon carbide, 5 parts of red phosphorus, 5-10 parts of ethyl carbamate, 20-60 parts of carbon black, 1-5 parts of aromatic hydrocarbon oil, 1-10 parts of pottery clay, 1-5 parts ofzinc isoocatanoate, 4-7 parts of coconut shells and 4-8 parts of silicon dioxide. The tire rubber has the advantages of low cost and good acid and alkali resistance, ageing resistance and abrasion resistance and durable elasticity. 本发明公开了种共享单车免充气轮胎橡胶，由以下重量份数的原料制成：聚氨酯橡胶40-65份，丁腈橡胶5-11份，酚醛树脂10-16份，氯化石腊4-11份，碳化硅2-12份，红磷5份，氨基甲酸乙酯5-10份，氟橡胶20-60份，炭黑10-30份，芳烃油1-5份，陶土1-10份，异辛酸锌1-5份，椰子壳4-7份，二氧化硅4-8份。本发明的有益效果是：成本低廉，耐酸碱性、耐老化性、耐磨性能较好，具有持久弹性。