MOLECULAR-ORIENTATION OF ALKYL-AROMATIC POLYIMIDE THIN-FILMS PREPARED BY VAPOR-DEPOSITION POLYMERIZATION

被引：20

作者：

KUBONO, A

HIGUCHI, H

UMEMOTO, S

OKUI, N

机构：

[1] Depertment of Organic and Polymeric Materials, Tokyo Institute of Technology, Meguro-ku, Tokyo, 152, O-okayama

来源：

THIN SOLID FILMS | 1993年 / 229卷 / 01期

关键词：

D O I：

10.1016/0040-6090(93)90421-K

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Molecular oriented alkyl-aromatic polyimide thin films were prepared in vacuo. First, alkyl-aromatic poly(amic acid) films were prepared from 1,10-diaminodecane and pyromellitic dianhydride by vapour deposition polymerization. Next the poly(amic acid) thin films were imidized to polyimide films by annealing. The X-ray diffraction patterns and the IR spectra indicated that the molecular chains both in the poly(amic acid) films and in the polyimide films were aligned perpendicular to the substrate surface. Annealing the films gave rise to not only imidization but also reorientation of the molecular chains and re-evaporation of the monomer and the oligomer.

引用

页码：133 / 136

页数：4

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