Synthesis of Poly(cyclooctene) by Ring-Opening Metathesis Polymerization: Characterization and Shape Memory Properties

被引：28
|
作者：
Alonso-Villanueva, J. [1 ]
Cuevas, J. M. [2 ]
Laza, J. M. [1 ]
Vilas, J. L. [1 ]
Leon, L. M. [1 ]
机构：
[1] Univ Basque Country, Lab Quim Macromol, EHU, Leioa 48940, Spain
[2] Gaiker Technol Ctr, Zamudio 48170, Spain
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2010年 / 115卷 / 04期
关键词：
polyolefins; ring-opening metathesis polymerization; chain transfer agent; shape memory polymers; POLYMERS; CATALYSTS; POLYALKENAMERS; POLYOCTENAMER; DEGRADATION;
D O I：
10.1002/app.29394
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Cis-cyclooctene was polymerized via ring-opening metathesis polymerization using a well-defined ruthenium catalyst (Grubbs' type) under varying reaction conditions. Control over molecular weight was achieved by the inclusion of a chain transfer agent and its influence on the behavior of the obtained polymers was evaluated. The resulting polymers were characterized by means of differential scanning calorimetry, thermogravimetric analysis, and dynamic mechanical thermal analysis. Taking into account their thermal behavior, samples of appropriate molecular weight were subjected to a suitable treatment by chemical crosslinking to obtain a material showing thermally induced shape memory effect. The material recovers its original shape after several cycles of deformation into different shapes. (C) 2009 Wiley Periodicals, Inc. J Appl Polym Sci 115:2440-2447, 2010
引用
收藏
页码：2440 / 2447
页数：8
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