Thermal properties and processability of dialkoxy-PPV precursors

被引：5

作者：

Delmotte, A

Biesemans, M

Gielen, M

Gu, J

VanMele, B

机构：

[1] General and Organic Chemistry, Free University of Brussels, 1050 Brussels

[2] Phys. Chemistry and Polymer Science, Free University of Brussels, 1050 Brussels

[3] High Resolution NMR Centre, Free University of Brussels, 1050 Brussels

来源：

POLYMER | 1996年 / 37卷 / 24期

关键词：

dialkoxy-PPV-(precursors); glass transition; thermal properties;

D O I：

10.1016/S0032-3861(96)00352-7

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A homologous series of ring-substituted dialkoxy-PPV precursors have been synthesized and characterized. By increasing the number of methylene units in the side groups up to six, a linear decrease of the glass transition temperature is found, with a span of ca. 100 degrees C, going from 92 degrees C down to -11 degrees C. T.m.a. experiments reveal high stretchability of thin films at temperatures just above T-g without elimination. The thermal conversion of the precursor polymer into the conjugated materials was studied and with controllable amounts of catalytic acid in the thin films, a well-defined processing window can be established in order to prepare stretched, conjugated thin films of dialkoxy-PPV material. Copyright (C) 1996 Elsevier Science Ltd.

引用

页码：5395 / 5399

页数：5