| 粘度法对可溶解的聚氨酯交联大分子的溶液行为的研究 |
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| 引用本文： | 杨军,宋庆祥,程晓辉,周杏弟,刘遵峰,刘冬平,陈俊,孙瑞敏,栗方星.粘度法对可溶解的聚氨酯交联大分子的溶液行为的研究[J].离子交换与吸附,2005,21(6):529-535. |
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| 作者姓名： | 杨军 宋庆祥 程晓辉 周杏弟 刘遵峰 刘冬平 陈俊 孙瑞敏 栗方星 |
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| 作者单位： | 南开大学化学系,天津,300071;南开大学化学系,天津,300071;南开大学化学系,天津,300071;南开大学化学系,天津,300071;南开大学化学系,天津,300071;南开大学化学系,天津,300071;南开大学化学系,天津,300071;南开大学化学系,天津,300071;南开大学化学系,天津,300071 |
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| 摘 要： | 通过体积稀释法测定可溶性交联大分子溶液的特性粘数随交联度、浓度和时间的变化,发现聚氨酯可溶性交联大分子在溶液中出现与线型和支化型高分子溶液不一样的粘度行为.本文根据聚氨酯的特殊的结构对这些异常现象进行了解释.
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| 关 键 词： | 粘度 交联 浓度 聚氨酯 |
| 文章编号： | 1001-5493(2005)06-0529-07 |
| 收稿时间： | 2005-02-25 |
| 修稿时间： | 2005年2月25日 |
VISCOSITY STUDIES ON THE SOLUTION BEHAVIOR OF SOLUBLE POLYURETHANE INTROMOLECULARLY CROSS-LINKED MACROMOLECULES |
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| YANG Jun,SONG Qingxiang,CHENG Xiaohui,ZHOU Xingdi,LIU Zunfeng,LIU Dongping,CHEN Jun,SUN Ruimin,LI Fangxing.VISCOSITY STUDIES ON THE SOLUTION BEHAVIOR OF SOLUBLE POLYURETHANE INTROMOLECULARLY CROSS-LINKED MACROMOLECULES[J].Ion Exchange and Adsorption,2005,21(6):529-535. |
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| Authors: | YANG Jun SONG Qingxiang CHENG Xiaohui ZHOU Xingdi LIU Zunfeng LIU Dongping CHEN Jun SUN Ruimin LI Fangxing |
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| Institution: | Department of Chemistry, Nankai University, Tianjin 300071, China |
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| Abstract: | The influence of degree of cross-linking, concentration, and time on the intrinsic viscosity of solution of polyurethane intramolecularly cross-linked macromolecule was investigated in this paper. It was discovered that solution of this kind of macromolecule exhibited a strange viscosity behavior comparing with linear and branch macromolecules. In this paper, this special behavior was detailedly discussed in terms of the special structure of this kind of macromolecule. |
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| Keywords: | Viscosity Cross-linking Concentration Polyurethane |
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