In the lacresin, the content of hard resin is 65.1%, the content of soft resin is 28.2%.
采用溶剂分离法分离紫胶片得到的硬树脂含量为65.1%，软树脂含量为28.2%。
2
The experimental results showed that the molecular composition and structure of domestic lacresin was similar to that of the...
结果证明国产紫胶树脂具有代表性的分子构成及分子结构与印度紫胶树脂相同。
3
The changes of molecular weight, life under heat, acid value, hydroxyl value and chlorine content of lacresin during bleaching and de-chlorinating processes have been studied.