| 激光散射法研究扩链剂对PU拉伸行为的影响 |
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| 引用本文： | 左榘,栗方星.激光散射法研究扩链剂对PU拉伸行为的影响[J].高分子材料科学与工程,1995,11(6):82-85. |
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| 作者姓名： | 左榘 栗方星 |
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| 作者单位： | 南开大学化学系 |
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| 摘 要： | 用激光散射技术跟踪测定了两种不同分子量的聚氨酯（ＰＵ），在用已二胺（ＨＤ）及丁二醇（ＢＤ）扩链剂时，于单轴拉伸过程中的激光散射行为。揭示拉伸行为及断裂伸长率呈规律性变化，并与溶胀动力学、力学强度等测定方法所得结果十分吻合。
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| 关 键 词： | 激光散射 拉伸 聚氨酯 扩链剂 |
STUDY OF INFLUENCE OF EXTENDER ON STRETCHING BEHAVIOR OF PU BY LASER LIGHT SCATTERING |
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| Zuo Ju, Li Fangxing, Ma Xian.STUDY OF INFLUENCE OF EXTENDER ON STRETCHING BEHAVIOR OF PU BY LASER LIGHT SCATTERING[J].Polymer Materials Science & Engineering,1995,11(6):82-85. |
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| Authors: | Zuo Ju Li Fangxing Ma Xian |
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| Abstract: | The H_v patterns of PU with different molecular weight and extender were taken photographically during stretching by laser light scattering. The regualr changes of stretching behavior, which were agree with the properties of swelling and mechanics, were observed. The knowlege of relationship between structure and property for PU with extender was further undersood. |
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| Keywords: | s: laser light scattering stretch polyurethane extender |
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