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STRUCTURE-PROPERTY RELATIONSHIPS OF ETHYLENE/1- OCTENE AND ETHYLENE/1-BUTENE COPOLYMERS MADE USING INSITE* TECHNOLOGY

机译:INSITE *技术制备的乙烯/ 1-辛烯和乙烯/ 1-丁烯共聚物的结构-性能关系

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摘要

The structure-property relationships of homogeneous ethylene/1-butene copolymers made using Insite* technology are explored and compared with DOWs current Affinity polyolefin plastomer and Engage polyolefin elastomer, which are ethylene/1-octene copolymers. The well defined molecular architecture of these copolymers allows one to explore the comonomer effect with greater precision. The performance of ethylene/butene and ethylene/octene copolymers with densities of 0.91 and 0.92 g/cc are emphasized.Ethylene/1-octene copolymers produced by SSC** technology have improved tear, impact and tensile properties, relative to ethylene/1-butene copolymers produced by SSC technology. Improved physical properties were observed in both compression molded plaques and blown film samples. This study confirms the general trend of improved physical properties with increasing α-olefin branch length.
机译:探究了使用Insite *技术制备的均质乙烯/ 1-丁烯共聚物的结构-性质关系,并将其与DOW的当前亲和力聚烯烃塑性体和Engage聚烯烃弹性体(乙烯/ 1-辛烯共聚物)进行了比较。这些共聚物的明确定义的分子结构使人们可以更精确地探索共聚单体的作用。强调了密度分别为0.91和0.92 g / cc的乙烯/丁烯和乙烯/辛烯共聚物的性能。通过SSC **技术生产的乙烯/ 1-辛烯共聚物相对于乙烯/ 1-具有更好的撕裂,冲击和拉伸性能通过SSC技术生产的丁烯共聚物。在压塑板和吹膜样品中均观察到改善的物理性能。这项研究证实了随着α-烯烃支链长度的增加,物理性质得以改善的总体趋势。

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