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发明授权
CN105593285B 具有改善的机械性能的双峰聚乙烯与单峰超高分子量聚乙烯的共混物 有权

具有改善的机械性能的双峰聚乙烯与单峰超高分子量聚乙烯的共混物
摘要：
本发明提供了一种高密度聚乙烯共混物，其包含(A)55‑99wt％的具有至少930kg/m3的密度的高密度多峰聚乙烯组分，和(B)1‑45wt％的超高分子量的聚乙烯均聚物或共聚物组分，所述组分(B)具有(i)至少15.0dl/g的特性黏度，(ii)至少2.0*106g/mol的公称黏度分子量(Mv)和(iii)至少0.7*106g/mol的分子量(Mw)，并且其中所述共混物具有0.05‑10.0g/10min的MFR21和至少925kg/m3的密度。
摘要（英）：

High density polyethylene blend, comprising (A) 55 to 99 wt% of a high density multimodal polyethylene component having a density of at least 930 kg/m3, and (B) 1 to 45 wt% of an ultra-high molecular weight polyethylene homo- or copolymer component having (i) an intrinsic viscosity of at least 15.0 dl/g (ii) an a nominal viscosity molecular weight (Mv) of at least 2.0*10 6 g/mol and (iii) a molecular weight of (M w ) of at least 0.7*10 6 g/mol, and wherein said blend has an MFR 21 of 0.05 to 10.0 g/10min and a density of at least 925 kg/m3.

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