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1.发明申请
公开(公告)号：WO2020242789A1
公开(公告)日：2020-12-03
申请号：PCT/US2020/033109
申请日：2020-05-15
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： ABE, Daudi A. , LIU, Bo
Abstract: A method of extruding a melt of a linear low-density polyethylene (LLDPE) without surface melt fracture, the method comprises heating a melt of the LLDPE to a temperature from 190.0 to 260.0 degrees Celsius; and extruding through a die the heated melt at a shear rate of from 1,100 to 7,000 per second and at a shear stress of greater than 0.40 megapascal, thereby forming a polyethylene extrudate without surface melt fracture.
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2.发明公开
公开(公告)号：EP3976339A1
公开(公告)日：2022-04-06
申请号：EP20730364.5
申请日：2020-05-15
Applicant: Dow Global Technologies LLC
Inventor： ABE, Daudi A. , LIU, Bo
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