The speciality base resin of propylene random copolymer (PP - R) for tubing was successfully developed in the commercial plant through the study on the imported PP - R product.
通过对进口无规共聚聚丙烯（PP-R）产品的分析研究，在引进装置上成功生产出PP-R管材专用料的基础树脂；
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。
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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