采用"一步挤出法"制备了高密度聚乙烯/聚对苯二甲酸乙二(醇)酯(HDPE/PET)共混物.通过傅里叶变换红外光谱(FT-IR)分析证明了HDPE与甲基丙烯酸缩水甘油酯(GMA)的接枝共聚物HDPE-g-GMA的形成.通过力学性能测试、扫描电镜(SEM)观察、差示扫描量热(DSC)分析和维卡软化点测试评价了共混物的增容效果.结果表明,过氧化二异丙苯(DCP)含量对体系增容效果的影响要大于单体含量的影响;当DCP含量不超过0.25 phr时,增容效果随其含量的增加而提高,但当DCP含量为0.30phr时增容效果有所下降.采用"一步挤出法"进行HDPE/PET共混物的原位反应增容是可行的.
参考文献
| [1] | Sailer C;Handge UA .Reactive blending of polyamide 6 and styrene-acrylonitrile copolymer: Influence of blend composition and compatibilizer concentration on morphology and rheology[J].Macromolecules,2008(12):4258-4267. |
| [2] | El-Nashar DE;Maziad NA;Sadek EM .Improving low-density polyethylene/poly(ethylene terephthalate) blends with graft copolymers[J].Journal of Applied Polymer Science,2008(4):1929-1937. |
| [3] | Cartier H.;Hu GH. .Styrene-assisted melt free radical grafting of glycidyl methacrylate onto polypropylene[J].Journal of Polymer Science, Part A. Polymer Chemistry,1998(7):1053-1063. |
| [4] | Hu GH.;Lambla M.;Sun YJ. .EFFECTS OF PROCESSING PARAMETERS ON THE IN SITU COMPATIBILIZATION OF POLYPROPYLENE AND POLY(BUTYLENE TEREPHTHALATE) BLENDS BY ONE-STEP REACTIVE EXTRUSION[J].Journal of Applied Polymer Science,1996(6):1039-1047. |
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