POSS封端的聚氧化乙烯遥爪型聚合物的合成及形状记忆性能

O63; 通过点击化学反应合成了多面体齐聚倍半硅氧烷(POSS)封端的聚氧化乙烯(PEO)遥爪型聚合物.采用透射电镜、旋转流变仪及差示扫描量热仪对聚合物的形态结构及热力学性能进行了表征.由于POSS之间存在强相互作用,使其能够在PEO基体中聚集形成纳米微区.POSS微区作为物理交联点,赋予聚合物优异的热致形状记忆性能.POSS含量越高,形状恢复速率越快.此外,物理交联网络的形成和PEO的亲水性使聚合物在水中溶胀形成水凝胶.该水凝胶具有较高的溶胀率,且表现出良好的形状记忆性能....

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Published in功能高分子学报 Vol. 34; no. 5; pp. 444 - 451
Main Authors 李蕾, 曹玉芹, 常鹏飞, 郑思珣
Format Journal Article
LanguageChinese
Published 上海交通大学化学化工学院, 金属基复合材料国家重点实验室,上海 200240 2021
Subjects
多面体齐聚倍半硅氧烷;遥爪型聚合物;物理交联网络;形状记忆;水凝胶
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ISSN1008-9357
DOI10.14133/j.cnki.1008-9357.20210128001

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Abstract O63; 通过点击化学反应合成了多面体齐聚倍半硅氧烷(POSS)封端的聚氧化乙烯(PEO)遥爪型聚合物.采用透射电镜、旋转流变仪及差示扫描量热仪对聚合物的形态结构及热力学性能进行了表征.由于POSS之间存在强相互作用,使其能够在PEO基体中聚集形成纳米微区.POSS微区作为物理交联点,赋予聚合物优异的热致形状记忆性能.POSS含量越高,形状恢复速率越快.此外,物理交联网络的形成和PEO的亲水性使聚合物在水中溶胀形成水凝胶.该水凝胶具有较高的溶胀率,且表现出良好的形状记忆性能.
AbstractList O63; 通过点击化学反应合成了多面体齐聚倍半硅氧烷(POSS)封端的聚氧化乙烯(PEO)遥爪型聚合物.采用透射电镜、旋转流变仪及差示扫描量热仪对聚合物的形态结构及热力学性能进行了表征.由于POSS之间存在强相互作用,使其能够在PEO基体中聚集形成纳米微区.POSS微区作为物理交联点,赋予聚合物优异的热致形状记忆性能.POSS含量越高,形状恢复速率越快.此外,物理交联网络的形成和PEO的亲水性使聚合物在水中溶胀形成水凝胶.该水凝胶具有较高的溶胀率,且表现出良好的形状记忆性能.
Author 曹玉芹
常鹏飞
郑思珣
李蕾
AuthorAffiliation 上海交通大学化学化工学院, 金属基复合材料国家重点实验室,上海 200240
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CAO Yuqin
CHANG Pengfei
ZHENG Sixun
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Keywords 多面体齐聚倍半硅氧烷;遥爪型聚合物;物理交联网络;形状记忆;水凝胶
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Snippet O63; 通过点击化学反应合成了多面体齐聚倍半硅氧烷(POSS)封端的聚氧化乙烯(PEO)遥爪型聚合物.采用透射电镜、旋转流变仪及差示扫描量热仪对聚合物的形态结构及热力学性能进...
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StartPage 444
Title POSS封端的聚氧化乙烯遥爪型聚合物的合成及形状记忆性能
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