STUDY ON THE PHASE STRUCTURE, THERMAL PROPERTIES AND SPINNABILITY OF PP/PP-g-MAH/PH6 BLENDS

ZHANG Xiuqin; ZHU Lei; WANG Dujin; XU Duanfu

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STUDY ON THE PHASE STRUCTURE, THERMAL PROPERTIES AND SPINNABILITY OF PP/PP-g-MAH/PH6 BLENDS

Research Article | 更新时间：2021-03-19

- STUDY ON THE PHASE STRUCTURE, THERMAL PROPERTIES AND SPINNABILITY OF PP/PP-g-MAH/PH6 BLENDS
- Acta Polymerica Sinica Issue 1, Pages: 74-77(2004)
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- Published：20 February 2004，
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ZHANG Xiuqin, ZHU Lei, WANG Dujin, XU Duanfu. STUDY ON THE PHASE STRUCTURE, THERMAL PROPERTIES AND SPINNABILITY OF PP/PP-g-MAH/PH6 BLENDS. [J]. Acta Polymerica Sinica (1):74-77(2004)
DOI：

ZHANG Xiuqin, ZHU Lei, WANG Dujin, XU Duanfu. STUDY ON THE PHASE STRUCTURE, THERMAL PROPERTIES AND SPINNABILITY OF PP/PP-g-MAH/PH6 BLENDS. [J]. Acta Polymerica Sinica (1):74-77(2004) DOI：

摘要

运用DSC、SEM、纺丝成形等手段研究了增容剂聚丙烯接枝马来酸酐(PP-g-MAH)对聚丙烯聚酰胺 6(PP/PA6 )共混物结构和性能的影响.结果表明

共混物呈典型海岛型两相结构;增容剂PP-g-MAH与PA6之间的在位反应改善了PP/PA6共混体系的相容性

使共混物中PA6的热结晶峰消失

PP的结晶生长速率和成核速率降低

可纺性提高.

Abstract

The effects of polypropylene-g-maleic anhydride(PP-g-MAH) on the structure and performance of PP/polyamide (PA6) blends were studied by using DSC

SEM

and melt-spinning

etc．The results indicated that PP/PA6 blends have typical incompatible sea-island bi-phase structure：the compatibility of PP

PA6 blends was improved with the addition of the grafted copolymer PP-g-MAH．PP and PA6 crystallized separately in the bulk blends．instead of forming co-crystallization or new crystalline forms．Both the crystal growth rate and nucleation rate of the blends were decreased

due to the in-situ reaction-compatibilization of PP-g-MAH with PA6．The spinnability of the PP/PA6 blends was obviously improved due to the addition of eompatibilizer．

关键词

PP/PP-g-MAH/PA6共混物相容性结晶性能可纺性

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