US 11,718,737 B2
Ethylene/alpha-olefin copolymer and method for preparing the same
Jung Ho Jun, Daejeon (KR); Seung Hwan Jung, Daejeon (KR); Jin Sam Gong, Daejeon (KR); Rae Keun Gwak, Daejeon (KR); Choong Hoon Lee, Daejeon (KR); Eun Jung Lee, Daejeon (KR); Hyun Jin Ju, Daejeon (KR); In Sung Park, Daejeon (KR); and Sang Eun Park, Daejeon (KR)
Assigned to LG Chem, Ltd.
Appl. No. 16/975,480
Filed by LG Chem, Ltd., Seoul (KR)
PCT Filed May 3, 2019, PCT No. PCT/KR2019/005369
§ 371(c)(1), (2) Date Aug. 25, 2020,
PCT Pub. No. WO2019/212308, PCT Pub. Date Nov. 7, 2019.
Claims priority of application No. 10-2018-0052045 (KR), filed on May 4, 2018.
Prior Publication US 2021/0024729 A1, Jan. 28, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. C08F 210/16 (2006.01); C08F 210/02 (2006.01); C08L 23/08 (2006.01); C08F 2/38 (2006.01); C08F 4/649 (2006.01); C08F 4/6592 (2006.01); C08F 210/08 (2006.01); C09J 11/08 (2006.01); C09J 123/08 (2006.01)
CPC C08L 23/0815 (2013.01) [C08F 2/38 (2013.01); C08F 4/6493 (2013.01); C08F 4/6495 (2013.01); C08F 4/6496 (2013.01); C08F 4/6498 (2013.01); C08F 4/6592 (2013.01); C08F 210/02 (2013.01); C08F 210/08 (2013.01); C08F 210/16 (2013.01); C09J 11/08 (2013.01); C09J 123/0815 (2013.01); C08L 2314/06 (2013.01)] 17 Claims
 
1. An ethylene/alpha-olefin copolymer satisfying the following conditions i) to iv):
i) a viscosity: 6,000 cP to 40,000 cP, when measured at a temperature of 180° C.,
ii) a molecular weight distribution (MWD): 1.5 to 3.0,
iii) a total number of unsaturated functional groups per 1000 carbon atoms: 0.8 or less, and 0.2 or more, and iv) a Rvdvalue according to the following Mathematical Equation 1: 0.3 or less:

OG Complex Work Unit Math
in Mathematical Equation 1, the vinyl, vinylene and vinylidene mean the number of each functional group per 1000 carbon atoms, measured through nuclear magnetic spectroscopic analysis.