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聚丙烯/插层改性水滑石纳米复合材料结构与性能研究 被引量:3

Preparation,Structure and Property of Polypropylene/Modified LDHs Nanocomposites
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摘要 采用离子交换法制备了十二烷基磺酸钠和衣康酸共同改性水滑石(LDHs2),FTIR、XRD分析表明,十二烷基磺酸钠和衣康酸能够同时进入水滑石片层之间,层间距有很大提高。利用改性水滑石,通过马来酸酐-苯乙烯共接枝改性聚丙烯相容剂的熔融共混和聚丙烯与水滑石溶液共混制备母粒,然后与聚丙烯分别熔融共混两种方法制备聚丙烯/水滑石纳米复合材料。TEM分析表明,马来酸酐-苯乙烯共接枝改性聚丙烯作相容剂可以使水滑石在聚丙烯基体中达到更好分散。DSC、XRD分析表明,水滑石、相容剂以及短链共聚聚丙烯对聚丙烯晶型没有影响,但对其结晶速率、结晶度以及晶粒大小有所改变,复合材料中聚丙烯的起始结晶温度、结晶峰温度、结晶速率、结晶度均比纯聚丙烯高,晶粒粒径分布也更均匀。 LDHs was modified by a complex modifier of sodium dodecylsulfonate and itaconic acid(LDHs2) using ion-exchanging method.X-ray diffraction and FR-IR results indicated the intercalation of modifier in the galleries between LDHs layers which increased the d-space..For preparation of PP/LDHs nanocomposites,two methods were applied,one is introducing maleic anhydride-styrene grafted PP as compatibilizer,the other is firstly synthesizing a masterbatch of low molecular weight PP/LDHs by solution blending,and then ...
出处 《高分子通报》 CAS CSCD 北大核心 2010年第9期76-80,共5页 Polymer Bulletin
基金 浙江省重大科技专项资助(2006c11172)
关键词 聚丙烯 水滑石 插层改性 结构 性能 Polypropylene LDHs Intercalation Modification Structure Property
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参考文献7

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