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公开(公告)号:US20230092207A1
公开(公告)日:2023-03-23
申请号:US17941649
申请日:2022-09-09
Applicant: Braskem S.A.
Inventor: Daiane Schilling de Vargas , Carlos Augusto Maia Faria , Francisco Carlos Ruiz , Mariele Kaipers Stocker , Adilton Lopes da Silva , Marcelo Jorge Aguiar Martins , Manoela Ellwanger Cangussu
Abstract: A polyethylene-based composition may include an ethylene-based copolymer produced from ethylene and one or more C3-C10 alpha olefin comonomers, wherein the ethylene-based copolymer has: a density ranging from 945 kg/m3 to 961 kg/m3 according to ASTM D792, a melt flow rate (MFR2) ranging from 0.5 g/10 min to 3.0 g/10 min according to ASTM D1238 at 190° C./2.16 kg, a molecular weight distribution (Mw/Mn) ranging from 3 to 25, and a stress exponent (SEx) ranging from 1.0 to 1.8.