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Disentangled high or ultrahigh molecular weight polyethylene prepared with Ziegler-Natta catalyst

机译：用齐格勒-纳塔催化剂制备的高分子量或超高分子量聚乙烯

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摘要

Disentangled high or ultrahigh molecular weight polyethylene ((U)HMWPE) being produced with a Ziegler-Natta catalyst, characterized by (i) a factor for the normalized elastic modulus G′₀/G′_Pof less than 0.95 determined in a dynamic time sweep measurement at 180° C. with constant strain of 0.5% at fixed frequency of 10 rad/s for at least 3600 s, whereby G′₀is the elastic shear modulus measured at t0 directly after melting the sample and G′_pis the maximum plateau modulus.

机译：用齐格勒-纳塔催化剂生产的高分子量或超高分子量聚乙烯（U）HMWPE，其特征在于（i）归一化弹性模量G'_{0 / G'_{的因子P 小于0.95，是在180°C的动态时间扫描测量中以0.5％的恒定应变在10 rad / s的固定频率下至少3600 s测得的，从而G'_{0 是样品熔化后在t 0 处直接测量的弹性剪切模量，而G'_{p 是最大平稳模量。}}}} 展开▼

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公开/公告号US9676877B2

专利类型

公开/公告日2017-06-13

原文格式PDF

申请/专利权人 BOREALIS AG;
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申请/专利号US201515021113

发明设计人 THOMAS HJERTBERG;ALEXANDRA ROMINA ALBUNIA;YI LIU;QIZHENG DOU;
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申请日2015-02-06

分类号C08F10;C08F10/02;C08L23/06;

国家 US

入库时间 2022-08-21 13:46:21

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