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
收藏
页码:62 / 69
页数:8
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