排序方式: 共有2条查询结果,搜索用时 0 毫秒
1
1.
2.
Copolymerization of propylene and hindered piperidine monomers was carried out overa high activity supported Ziegler-Natta catalyst, using Al(C_2H_5)_3 as cocatalyst. Factorswhich affect the copolymerization were studied. The copolymers exhibited high light sta-bility without adding extra light stabilizers. A self-stabilized polypropylene was prepared. 相似文献
1