PHASE-TRANSFER CATALYSIS IN THE POLYCONDENSATION PROCESSES .8. INTERNAL ROTATIONAL ENERGIES IN POLYESTERS OBTAINED FROM 3,3-BIS(CHLOROMETHYL) OXETANE AND DIPOTASSIUM ISOPHTHALATE

被引：14

作者：

HURDUC, N

BULACOVSCHI, V

SURPATEANU, G

机构：

[1] Department of Macromolecules, Polytechnical Institute of Jassy, Jassy, RO-6600

来源：

POLYMER BULLETIN | 1993年 / 30卷 / 01期

关键词：

D O I：

10.1007/BF00296236

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Rotation possibilities and rotational barriers in polyesters from 3,3-bis(chloromethyl)oxetane and dipotassium isophthalate were evidenced. Based on the obtained data it was presumed that every repeating unit behavies as a mesogenic, confering liquid-crystalline properties to the polyester.

引用

页码：69 / 73

页数：5

共 6 条

[1]

ALLINGER NL, 1987, QCPE B, V7, P141

[2]

HURDUC H, 1992, IN PRESS EUR POLYM J, V28

[3] PHASE-TRANSFER CATALYSIS IN THE POLYCONDENSATION PROCESSES .4. SYNTHESIS OF POLYESTERS WITH OXETANE PENDANT GROUPS [J].