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发明公开
CN108699301A 乙烯/α-烯烃共聚物组合物以及包含所述组合物的制品 有权

乙烯/α-烯烃共聚物组合物以及包含所述组合物的制品
摘要：
一种乙烯/α‑烯烃共聚物组合物，其密度为0.935至0.955g/cc；重均分子量与数均分子量之比Mw/Mn为3至10；z均分子量Mz为200kg/mol至500kg/mol；并且PENT值在80℃和2.4MPa下大于500小时；其中当所述组合物形成为单层管时，所述管材的管材流体静力强度在20℃和12.0MPa下大于100小时。还提供包含所述乙烯/α‑烯烃共聚物组合物的管材或管材配件。
摘要（英）：

An ethylene/alpha-olefin copolymer composition has a density from 0.935 to 0.955 g/cc; a ratio of weight average molecular weight to number average molecular weight, Mw/Mn, from 3 to 10; a z-average molecular weight, Mz, from 200 kg/mol to 500 kg/mol; and a PENT value of greater than 500 hours at 80 DEG C and 2.4 MPa. When the composition is formed into a monolayer pipe the pipe has a pipe hydrostatic strength of greater than 100 hours at 20 DEG C and 12.0 MPa. Also provided is a pipe or pipe fitting comprising the ethylene/alpha-olefin copolymer composition.

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