Improving Damping Properties and Thermal Stability of Epoxy/Polyurethane Grafted Copolymer by Adding Glycidyl POSS

被引：0

作者：

Ge-Liang Zhu

Di Han

Ye Yuan

Feng Chen

Qiang Fu

机构：

[1] College of Polymer Science and Engineering

[2] State Key Laboratory of Polymer Materials Engineering

[3] Sichuan University

来源：

Chinese Journal of Polymer Science | 2018年 / 36卷 / 11期

关键词：

Epoxy; Polyurethane; POSS; Damping; Thermal stability;

D O I：

暂无

中图分类号：

O631 [高分子物理和高分子物理化学];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Modified castor oil-based epoxy resin (EP)/polyurethane (PU) grafted copolymer by glycidyl polyhedral oligomeric silsesquioxane (glycidyl POSS) was synthesized. The damping properties, thermal stability, mechanical properties and morphology of the grafted copolymer modified by glycidyl POSS were studied systematically. The results revealed that the incorporation of glycidyl POSS improved the damping performance evidently and broadened damping temperature range, especially when the glycidyl POSS content was0.2%–1%. At the same time, there was a slight increase in thermal stability with the increase of POSS content. The tensile properties changed with the change of the copolymer’s Tg, decreased at low POSS contents and increased at high POSS contents. This modified copolymer has the potential to be used as film damping material or constrained damping layer.

引用

页码：1297 / 1302

页数：6

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