Synthesis and properties of maleimide-terminated polyurethane AB crosslinked polymers - I. Polyurethane allyl nonyl novolac resin ABCPs

被引：24

作者：

Chiang, WY ^{[1
]}

Tsai, CD ^{[1
]}

机构：

[1] Tatung Inst Technol, Dept Chem Engn, Taipei 10451, Taiwan

来源：

EUROPEAN POLYMER JOURNAL | 1999年 / 35卷 / 06期

关键词：

D O I：

10.1016/S0014-3057(98)00077-9

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Polyurethane (PU) and phenolic resin were prepared to form maleimide-terminated PU/allyl nonyl novolac resin ABCPs. The polyurethane was prepared from 4,4'-diphenyl methane diisocyanate (MDI) and poly(tetramethylene oxide) [PTMO] of various molecular weights. The composition, compatibility, mechanical and thermal properties of these inhomogeneous network polymers were investigated through differential scanning calorimetry (DSC), dynamic mechanical analysis (DMA), the tensile strength tester and transmission electron microscopy (TEM) micrographs. The results reveal that the miscibility makes only a little improvement but the tensile strength has clear improvement when the PU's soft segment, i.e. PTMO, is higher, because of the entanglement between components. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：1139 / 1148

页数：10

共 12 条

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