| 聚环氧氯丙烷聚氨酯／聚苯乙烯IPN的玻璃化转变行为 |
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| 引用本文： | 陈宝铨,韩孝族,郭凤春. 聚环氧氯丙烷聚氨酯／聚苯乙烯IPN的玻璃化转变行为[J]. 材料研究学报, 1996, 10(5): 551-555 |
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| 作者姓名： | 陈宝铨 韩孝族 郭凤春 |
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| 作者单位： | 中国科学院长春应用化学研究所 |
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| 摘 要： | 用ＤＳＣ和动态弹粘谱（ＤＭＳ）研究了聚环氧氯丙烷聚氨酯／聚苯乙烯互穿聚合物网络「ＰＵ（ＰＥＣＨ）／ＰＳＩＰＮ」的玻璃化转变行为，发现，当ＩＰＮ中聚苯乙烯（ＰＳ）含量大于２０％（质量分数）时，ＩＰＮ是不相容体系，有两个玻璃化转变，ＰＳ交链度的增加，对应于ＰＵ的玻璃化转变（ＴｇＩ）不变，对应玻璃化转变（ＴｇＩＩ）向高温方向移动，转变越来越不明显，加入氨酯反应催化剂时，Ｔｇ明显内移，Ｔｇｆｆ内移超过２０
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| 关 键 词： | IPN 聚环氧氯丙烷 聚氨酯 聚苯乙烯 玻璃化 |
| 收稿时间： | 1996-10-25 |
| 修稿时间： | 1996-10-25 |
THE GLASS TRANSITION BEHAVIOR OF POLYEPICHLOROHYDRIN-BASED POLYURETHANE/POLYSTYRENE INTERPENETRATING POLYMER NETWORKS |
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| CHEN Baoquan,HAN Xiaozu,GUO Fengchun. THE GLASS TRANSITION BEHAVIOR OF POLYEPICHLOROHYDRIN-BASED POLYURETHANE/POLYSTYRENE INTERPENETRATING POLYMER NETWORKS[J]. Chinese Journal of Materials Research, 1996, 10(5): 551-555 |
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| Authors: | CHEN Baoquan HAN Xiaozu GUO Fengchun |
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| Affiliation: | CHEN Baoquan,HAN Xiaozu,GUO Fengchun(Changchun Institute of Applied Chemistry,Chinese Academy of Sciences) |
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| Abstract: | The glass transition behavior of various polyepichlorohydrin-based polyurethane/ polystyrene interpenetrating polymer networks [PU(PECH) / PSIPNs] was studied by the means of DSC and dynamic mechanical spectroscopy. The results show that when the PS conte |
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| Keywords: | IPN polyurethane of polyepichlorohydrin polystyrene Tg DSC dynamic mechanical spectroscopy |
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