The ethanol used as solvent in polymerization may be introduced intopolymer, forming end group structure, dominantly RCH:CHCH_2CH(OH)CH_3 (cis andtrans).

• 确定了在聚合过程中乙醇转移到分子链端的主要结构是RCH=CHCH_2CH(OH)CH_3(顺式和反式),它占羟基总量8%25左右。