A method of buffering a chemical or biological composition, comprising adding to the composition an effective buffering amount of at least one protonated or un-protonated amine-quaternary ammonium compound having a general formula:
wherein the variables R, G, n and k are as defined herein.
LIGAND COMPOUND, CATALYST SYSTEM FOR OLEFIN OLIGOMERIZATION, AND OLEFIN OLIGOMERIZATION METHOD USING THE SAME
申请人:LG CHEM, LTD.
公开号:US20160271600A1
公开(公告)日:2016-09-22
The present invention relates to a ligand compound, a catalyst system for olefin oligomerization, and a method for olefin oligomerization using the same. The present ligand compound is a compound having a certain new structure and enables provision of a catalyst system for olefin oligomerization that can oligomerize ethylene with higher catalytic activity.