CHEMISTRY AND PROPERTIES OF POLY(ARYLENE ETHER 1,3,4-OXADIAZOLE)S AND POLY(ARYLENE ETHER 1,2,4-TRIAZOLE)S

被引：50

作者：

CONNELL, JW ^{[1
]}

HERGENROTHER, PM ^{[1
]}

WOLF, P ^{[1
]}

机构：

[1] BASF AG, KUNSTSTOFFLAB, W-6700 LUDWIGSHAFEN, GERMANY

来源：

POLYMER | 1992年 / 33卷 / 16期

关键词：

POLY(ARYLENE ETHER); POLYOXADIAZOLES; POLYTRIAZOLES; HIGH TEMPERATURE POLYMERS; ADHESIVES; FILMS;

D O I：

10.1016/0032-3861(92)91111-E

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Poly(arylene ether)s containing 1,3,4-oxadiazole and 1,2,4-triazole units were prepared by the aromatic nucleophilic displacement reaction of bisphenol oxadiazole and bisphenol triazole compounds with activated aromatic dihalides. The polymers exhibited glass transition temperatures (T(g)s) ranging from 182 to 242-degrees-C and several polymers exhibited melting transitions (T(m)s) ranging from 265 to 390-degrees-C. Inherent viscosities ranged from 1.02 to 3.40 dl g-1 indicating relatively high molecular weights. Thin films exhibited tensile strengths, moduli and elongations at 23-degrees-C of 90-110 MPa, 2.7-3.6 GPa and 4-7%, respectively. Titanium-to-titanium tensile shear specimens of a poly(arylene ether 1,3,4-oxadiazole) exhibited tensile shear strengths at 23 and 150-degrees-C of 22.1 and 17.9 MPa, respectively.

引用

页码：3507 / 3511

页数：5

共 23 条

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