BLENDS OF SYNDIOTACTIC POLYSTYRENE AND ISOTACTIC POLYPROPENE PREPARED BY REACTOR POLYMERIZATION

XU Demin; KE Yucai; HU Youliang; WU Chunhong

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BLENDS OF SYNDIOTACTIC POLYSTYRENE AND ISOTACTIC POLYPROPENE PREPARED BY REACTOR POLYMERIZATION

Research Article | 更新时间：2021-03-19

- BLENDS OF SYNDIOTACTIC POLYSTYRENE AND ISOTACTIC POLYPROPENE PREPARED BY REACTOR POLYMERIZATION
- Acta Polymerica Sinica Issue 5, Pages: 594-598(2001)
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- Published：20 October 2001，
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XU Demin, KE Yucai, HU Youliang, WU Chunhong. BLENDS OF SYNDIOTACTIC POLYSTYRENE AND ISOTACTIC POLYPROPENE PREPARED BY REACTOR POLYMERIZATION. [J]. Acta Polymerica Sinica (5):594-598(2001)
DOI：

XU Demin, KE Yucai, HU Youliang, WU Chunhong. BLENDS OF SYNDIOTACTIC POLYSTYRENE AND ISOTACTIC POLYPROPENE PREPARED BY REACTOR POLYMERIZATION. [J]. Acta Polymerica Sinica (5):594-598(2001) DOI：

摘要

采用MgCl2/TiCl4/β 二酮-MAO催化体系合成间规聚苯乙烯(sPS)与等规聚丙烯(iPP)共混复合材料 .对催化剂的活性和共混复合材料的组成随Al∶Ti和聚合温度的变化进行了表征

催化剂的活性可达 1.5×105gB[molTi·h]-1

sPS的含量可控制在55%～82 % .采用示差量热扫描仪(DSC)和扫描电镜 (SEM)对共混复合材料的热性能和微观结构进行了研究.

Abstract

Blends of syndiotactic polystyrene (sPS) and isotactic polypropene (iPP) have been prepared using TiCl4/MgCl2/β-diketone-MAO．The influences of Al／Ti ratio and the polymerization temperature on the catalyst activity and the blend composition have been investigated．The catalyst shows a good activity of about 1.5×105 gB／mol Ti·h

and the sPS content can be controlled in the range of 55 wt％～82 wt％．Thermal property and micro- morphology have been studied with differential scanning calorimetry (DSC) and scanning electron microscopy (SEM)．

关键词

共混复合材料间规聚苯乙烯等规聚丙烯催化剂

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