Shape memory polybenzoxazines based on polyetheramine

被引：37

作者：

Liu, Yanfang ^{[1
]}

Huang, Jinbai ^{[1
]}

Su, Xuehui ^{[1
]}

Han, Mei ^{[1
]}

Li, Huan ^{[1
]}

Run, Mingtao ^{[1
]}

Song, Hongzan ^{[1
]}

Wu, Yonggang ^{[1
]}

机构：

[1] Hebei Univ, Coll Chem & Environm Sci, Baoding 071002, Hebei, Peoples R China

来源：

REACTIVE & FUNCTIONAL POLYMERS | 2016年 / 102卷

关键词：

Shape memory polymer; Shape memory effect; Polybenzoxazine; Polyetheramine; Ring-opening polymerization; RING-OPENING POLYMERIZATION; FREE-RADICAL POLYMERIZATION; BENZOXAZINE MONOMERS; THERMAL-PROPERTIES; NETWORK STRUCTURE; O-ALLYLPHENOL; POLYMERS; BEHAVIOR; TEMPERATURE; EPOXY;

D O I：

10.1016/j.reactfunctpolym.2016.03.010

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Five difunctional benzoxazines were synthesized from polyetheramine, phenol, o-allylphenol, o-cresol, p-cresol, m-cresol, and formaldehyde. The substituent groups decrease the ring-opening polymerization to present the ascending order of meta-, para-, and ortho-positions in comparison to the unsubstituted phenol-based benzoxazines. The dynamic mechanical properties of the resultant polybenzoxazines depend on the structure of the starting phenols. The polybenzoxazines exhibit one-way dual-shape memory behavior in response to changes in temperature, and the shape memory effects are evaluated by tensile stress-strain and bending tests with a temperature programme based on glass transition temperature. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：62 / 69

页数：8

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