Provided is a briquette molded body of a rubbery block copolymer satisfying the following conditions 1-6: Condition 1: the content of a vinyl aromatic monomer unit is 9-50 mass% (inclusive); condition 2: the proportion of the vinyl aromatic monomer block is 3% by mass or more and less than 30% by mass. Condition 3: the iodine value is 3-250; condition 4: the proportion of the ethylene structure is 3 mass% or more. Condition 5: the weight-average molecular weight is in the range of 80,000-1,000,000. Condition 6: At least one block at the end of the molecule is a specific block I or block II.
本发明提供一种橡胶状嵌段共聚物的压块成型体,该橡胶状嵌段共聚物满足下述条件1~6:条件1:乙烯基芳香族单体单元的含量为9质量%以上50质量%以下;条件2:乙烯基芳香族单体嵌段的比例为3质量%以上且小于30质量%;条件3:碘价为3~250;条件4:乙烯结构的比例为3质量%以上;条件5:重均分子量为8万~100万的范围;条件6:分子末端的至少一个嵌段为特定的嵌段I或嵌段II。
Briquetting molded body
压块成型体
2023-05-05
Patent
Electronic Resource
Chinese
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
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