| PP/橡胶合金热致变色原因的探讨 |
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| 引用本文： | 唐龙祥,刘凯,王平华. PP/橡胶合金热致变色原因的探讨[J]. 现代塑料加工应用, 2010, 22(1) |
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| 作者姓名： | 唐龙祥 刘凯 王平华 |
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| 作者单位： | 合肥工业大学化工学院,安徽,合肥,230009 |
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| 摘 要： | 采用熔融共混法制备了几种聚丙烯(PP)/橡胶合金,并用沸水进行浸泡。结果发现,PP/三元乙丙橡胶(EPDM)合金与PP/聚烯烃热塑性弹性体(POE)合金热水浸泡时发生变色,而PP/乙丙橡胶(EPR)合金不变色。采用X射线衍射仪(XRD)、差示扫描量热仪(DSC)对PP/橡胶合金的热致变色原因进行探讨。结果表明:热水浸泡时PP发生二次结晶是热致变色的主要原因。
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| 关 键 词： | 聚丙烯 橡胶 热致变色 二次结晶 |
Reasons for Thermochromism of PP/Elastomer Alloys |
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| Tang Longxiang,Liu Kai,Wang Pinghua. Reasons for Thermochromism of PP/Elastomer Alloys[J]. Modern Plastics Processing and Applications, 2010, 22(1) |
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| Authors: | Tang Longxiang Liu Kai Wang Pinghua |
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| Affiliation: | Tang Longxiang Liu Kai Wang Pinghua (School of chemical and engineering,Hefei University of Technology,Hefei,Anhui,230009) |
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| Abstract: | Some polypropylene(PP)/elastomer alloys were prepared through melt blending,which were immersed in boiling water.The results show that the colors of PP/ ethylene-propylene-diene monomer elastomer(EPDM) alloy and PP/polyolefin elastomer (POE) alloy change,while the color of PP/ethylene-propylene elastomer(EPR) alloy doesn't change.The reasons for thermochromism of PP/elastomer alloys were studied by means of wide-angle X-ray diffraction(XRD) and differential scanning calorimetry(DSC). The results show that s... |
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| Keywords: | polypropylene elastomer thermochromism second crystallization |
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