COMONOMER SEQUENCE DISTRIBUTION IN METALLOCENE-BASED ETHYLENE/1-BUTENE (S-34) AND ETHYLENE/1-HEXENE (S-43) COPOLYMERS

• 来源期刊: 高分子科学（英文版）
• 年，卷（期）: 1999,（2）
• 页码范围: 141-144
• 页数: 4页
• 语种: 英文

摘要

Metallocene based polyethylenes were prepared by SINOPEC's "metallocene adduct" technology in a gas phase fluidized bed model reactor. The 13C-NMR spectra of ethylene/1-butene (S-34) and ethylene/1-hexene(S-43) copolymers were studied in a manner analogous to that established by Hsieh and Cheng. The comonomer sequence distributions of copolymer samples were obtained. The results show that these metallocene based copolymers contain a small amount of butene and hexene, and the EE and EEE sequences are dominant.