Synthesis of highly transparent poly(amide-imide)s based on trimellitic acid and dependence of thermal properties on monomer sequence

被引：16

作者：

Kobayashi, Yutaro ^{[1
]}

Fujiwara, Yumi ^{[1
]}

Kitaoka, Takuya ^{[2
]}

Oishi, Yoshiyuki ^{[1
]}

Shibasaki, Yuji ^{[1
]}

机构：

[1] Iwate Univ, Dept Chem & Bioengn, 4-3-5 Ueda, Morioka, Iwate 0208551, Japan

[2] Nippon Kodoshi Corp, Tech Dev Dept, 648 Hirooka Kami,Haruno Cho, Kocwhi City, Kochi 7810395, Japan

来源：

REACTIVE & FUNCTIONAL POLYMERS | 2016年 / 108卷

关键词：

Transparent polymer; Poly(amide-imide); Thermostability; Alicyclic structure; LOW DIELECTRIC-CONSTANT; SOLUBLE POLYIMIDES; POLYALICYCLIC STRUCTURE; COLORLESS POLYIMIDES; DIANHYDRIDE; ANHYDRIDE; FILMS;

D O I：

10.1016/j.reactfunctpolym.2016.04.016

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Transparent, thermally stable, and semiaromatic poly(amide-imide)s were prepared from hydrogenated trimellitic anhydride chloride (h-TAC) with various aromatic diamines. The dependence of thermostability on the monomer sequence and terminal group was investigated. Thermogravimetric/differential thermal analysis (TG/DTA) was performed to evaluate the thermostabilities, which were found to be primarily affected by the monomer sequence in the polymer units. The 5% weight loss temperature (T-d5) in NZ, glass transition temperature (T-g), and cutoff wavelength of the ultraviolet-visible (UV-Vis) spectrum (lambda(cut)) of the semiaromatic poly(amide-imide)s are 422-456 degrees C, 131-274 degrees C, and 293-321 nm, respectively, while those of wholly aromatic poly(amide-imide)s are 454-480 degrees C, 169-287 degrees C, and 415 nm, respectively. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：78 / 85

页数：8

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