Introduce the development trend, production technique and domestic market demand of PP block copolymer.

介绍国外PP嵌段共聚物的开发动向，生产技术及国内市场需求。

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This paper studied the structure and properties of propylene-ethylene block copolymer (PP-B) as speciality resin for tubing.

研究了乙丙嵌段共聚聚丙烯(PP - B)管材专用树脂的结构与性能。

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Styrene-butadiene-styrene block copolymer(SBS)modified with organic montmorillonite(OMMT)was utilized to toughen polypropylene(PP)in this paper.

采用纳米有机蒙脱土（OMMT）改性的苯乙烯-丁二烯-苯乙烯嵌段共聚物（SBS）增韧聚丙烯（PP）。

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