公开(公告)号：US10894843B2

公开(公告)日：2021-01-19

申请号：US16478692

申请日：2018-11-29

Applicant: LG Chem, Ltd.

Inventor： Seul Ki Im ,  Seungmi Lee ,  Ohjoo Kwon ,  Eunji Shin ,  Ki Soo Lee ,  Daesik Hong ,  Sung Ho Park ,  Youngsuk You ,  Jinyoung Lee

IPC: C08F110/02 ,  C08F10/02 ,  C08F210/16 ,  C08F10/04 ,  C08F4/646 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/14 ,  C08J5/18

Abstract: An olefin polymer capable of simultaneously satisfying excellent drop impact strength and transparency, a preparation method of the same, and a film using the same, can be provided. In an embodiment, an olefin polymer comprises a plurality of polymer chains, and satisfies the following conditions: i) each polymer chain of the plurality having an average number of short chain branches (SCBs) per 1000 carbon atoms of 20/1000C or more, wherein an SCB has C2 to C7 carbon atoms, ii) a molded film of the olefin polymer having a drop impact strength of 1500 g to 2400 g as measured in accordance with ASTM D1709A, wherein the molded film having a thickness of 100 μm, and iii) a molded film of the olefin polymer having a haze is 10% to 30% as measured in accordance with ASTM D1003, wherein the molded film having a thickness of 0.05 mm.