coumarone resins

例句：

1. 1.Coumarine resins are used in the production of synthetic rubber.
   香胶树脂用于合成橡胶的生产。
2. 2. The chemical industry uses coumarine resins as a binder in various products.
   化学工业使用香胶树脂作为各种产品的粘合剂。
3. 3.Coumarine resins have excellent heat resistance and chemical stability.
   香胶树脂具有极好的耐热性和化学稳定性。