通过挤出、热拉伸及淬冷制备了聚对苯二甲酸乙二醇酯(PET)/聚乙烯(PE)原位微纤化共混物.采用差示扫描量热仪(DSC)研究了PET/PE原位微纤化共混物的非等这结晶特性,为了比较,同时考察了纯PE和PET/PE通常共混物的结晶特性.结果表明,PET微纤对PE有良好结晶异相成核作用,可提高结晶温度、缩短结晶时间、增大结晶速率,但使PE的结晶度和熔点降低;增加降温速率,结晶峰变宽且向低温方向移动.
参考文献
| [1] | Meilles V;Ferro D R;Bruckner S et al.[J].Macromolecules,1994,27:2615-2623. |
| [2] | Fillon B;Thierry A;Wittmann J C et al.[J].Journal of Polymer Science Part B:Polymer Physics,1993,31:1407-1416. |
| [3] | Lotz B. .alpha and beta phases of isotactic polypropylene: a case of growth kinetics 'phase reentrency' in polymer crystallization[J].Polymer: The International Journal for the Science and Technology of Polymers,1998(19):4561-4567. |
| [4] | Arroyo M;Lopez-Manchando M A .[J].Polymer,1997,38:5587-5596. |
| [5] | Friedrich K.;Ueda E.;Kamo H.;Evstatiev M.;Krasteva B.;Fakirov S. .Direct electron microscopic observation of transcrystalline layers in microfibrillar reinforced polymer-polymer composites[J].Journal of Materials Science,2002(20):4299-4305. |
| [6] | Campbell D;Qayyum M M .[J].Journal of Polymer Science Part B:Polymer Physics,1980,18:83-92. |
| [7] | Ishida H;Bussi B .[J].Macromolecules,1991,24:3569-3575. |
| [8] | Fakirov S;Stribeck N;Apostolov A A et al.[J].Journal of Macromolecular Sciences:Physics,2001,40:935-942. |
| [9] | Li Z M;Yang M B;Yang W et al.[J].Materials Letters,2002,56:756-762. |
| [10] | Li Z M;Yang M B;Feng J M et al.[J].Materials Research Bulletin,2002,37:2185-2198. |
| [11] | Li Z M;Yang M B;Xie B H et al.[J].Polymer Engineering and Science,2003,43:615-628. |
| [12] | Li ZM.;Yang W.;Li LB.;Xie BH.;Huang R.;Yang MB. .Morphology and nonisothermal crystallization of in situ microfibrillar poly(ethylene terephthalate)/polypropylene blend fabricated through slit-extrusion, hot-stretch quenching[J].Journal of Polymer Science, Part B. Polymer Physics,2004(3):374-385. |
| [13] | Wunderlich B.Thermal Analysis[M].New York:Academic Press,1990 |
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