AN INVESTIGATION OF THE SYNTHESIS AND THERMAL-STABILITY OF POLY(DL-LACTIDE)

被引：117

作者：

ZHANG, XC

WYSS, UP

PICHORA, D

GOOSEN, MFA

机构：

[1] QUEENS UNIV,DEPT CHEM ENGN,KINGSTON K7L 3N6,ONTARIO,CANADA

[2] QUEENS UNIV,DEPT MECH ENGN,KINGSTON K7L 3N6,ONTARIO,CANADA

[3] QUEENS UNIV,DEPT SURG,KINGSTON K7L 3N6,ONTARIO,CANADA

来源：

POLYMER BULLETIN | 1992年 / 27卷 / 06期

关键词：

D O I：

10.1007/BF00297431

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The synthesis and thermal degradability of poly(DL-lactide) were investigated. Key factors affecting the polymer molecular weight were found to be monomer recrystallization, initiator concentration and the vacuum level during drying/sealing of the polymerization reaction ampoule. It was found that poly(DL-lactide) is thermally unstable above its melting temperature. Monomer recrystallization, polymer precipitation and a low initiator content of the polymer significantly inhibited the rate and extent of thermal degradation.

引用

页码：623 / 629

页数：7

共 16 条

[1] INVIVO DEGRADATION OF POLY(LACTIC ACID) OF DIFFERENT MOLECULAR-WEIGHTS [J].