High heat-resistant linear propargyl ether-terminated polymers containing Si-H group: synthesis, characterization, and properties

被引：6

作者：

Yang, Guang ^{[1
]}

Li, Bo ^{[1
]}

Zhang, Maning ^{[1
]}

Yang, Zhiyong ^{[1
]}

机构：

[1] Beihang Univ, Sch Mat Sci & Engn, Key Lab Aerosp Adv Mat & Performance, Minist Educ, Beijing 100191, Peoples R China

来源：

HIGH PERFORMANCE POLYMERS | 2014年 / 26卷 / 03期

关键词：

thermal properties; phenysilylene; thermosets; Propargyl; ESTER-IMIDE PREPOLYMERS; REACTION-MECHANISMS; PHENOLIC RESIN; PHENYLETHYNYL; POLYMERIZATION; TEMPERATURE; OLIGOMERS; KINETICS; MATRIX; CURE;

D O I：

10.1177/0954008313511348

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Two kinds of novel linear propargyl ether-terminated polymers containing Si-H group, poly[(phenylsilylene)propargyl-bisphenol A] and poly[(phenylsilylene)propargyl-bisphenol S], were synthesized successfully by the dehydrogenative cross-coupling reaction of dipropargyl ethers of different bisphenols and phenylsilane. The structures of the resulting polymers were confirmed by Fourier transform infrared (FT-IR) and proton nuclear magnetic resonance (H-1 NMR) spectroscopy. The molecular weights of the polymers were estimated by gel permeation chromatography. The polymers had excellent solubility and outstanding processability. Thermal curing behavior of the polymers was studied by differential scanning calorimetry (DSC) and FT-IR spectra. Thermal stability of the cured polymers was also investigated by DSC and thermogravimetric analysis. The results showed that the values of glass transition temperature of the cured polymers are above 380 degrees C.

引用

页码：290 / 297

页数：8

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