| 辐射接枝聚丙烯纤维的晶态结构研究 |
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| 引用本文： | 谭绍早,刘明友,陈中豪,沈家瑞. 辐射接枝聚丙烯纤维的晶态结构研究[J]. 合成纤维, 2000, 29(1): 10-12 |
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| 作者姓名： | 谭绍早 刘明友 陈中豪 沈家瑞 |
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| 作者单位： | 华南理工大学广州 510640 |
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| 摘 要： | 采用广角X射线衍射(WAXD)和差示扫描量热法(DSC),研究了辐射接枝和季铵化反应对聚丙烯纤维晶态结构的影响。结果表明,预辐射过的聚丙烯(PP)非织造布接枝4-乙烯基吡啶(4-VP)和季铵化反应后,PP纤维的熔点和各主要晶面的间距基本不变,(110)、(040)和(130)晶面的微晶尺寸进步减少,结晶度逐步下降。
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| 关 键 词： | 聚丙烯纤维 4-乙烯基吡啶 辐射接枝 晶态结构 |
STUDY ON CRYSTAL STRUCTURE OF POLYPROPYLENE FIBER IN RADIATION GRAFT POLYMER |
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| Abstract: | The effect of radiation induced graft and quaterisation reaction on crystal structure of polypropylene(PP) fiber was studied by WAXD and DSC method. The results show that the melting point and the crystallographic interplanar spacing of irradiated PP is approximately invariable , but their crystallinity and the crystallite sizes of (110), (040) and (130) crystal faces all gradually decrease after graft copoly-merization and quaterisation. |
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