公开(公告)号：US20210054116A1

公开(公告)日：2021-02-25

申请号：US16988844

申请日：2020-08-10

Applicant: DAELIM INDUSTRIAL CO., LTD.

Inventor： Se Hyun LEE ,  Kyong Ju NA ,  Min Sup PARK ,  Myeong Seok KIM

IPC: C08F136/08 ,  C08L9/06

Abstract: The present invention relates to a modified polyisobutylene polymer for rubber compounding including polyisobutylene having isobutylene as a main chain, unsaturated dicarboxylic anhydride, and a silane compound, and more particularly, 20 to 80 wt % of polyisobutylene having isobutylene as a main chain, 1 to 20 wt % of unsaturated dicarboxylic anhydride, and 1 to 60 wt % of a silane compound. In particular, when the polyisobutylene polymer of the present invention is used as an additive for rubber, the dispersibility of a filler can be significantly increased and both grip performance and rolling resistance can be improved.

公开(公告)号：US20200277540A1

公开(公告)日：2020-09-03

申请号：US16680818

申请日：2019-11-12

Applicant: DAELIM INDUSTRIAL CO., LTD.

Inventor： Hyeung Jin LEE ,  Kyong Ju NA

IPC: C10M169/00 ,  C10M107/02 ,  C10M119/02 ,  C10M137/12

Abstract: The present invention relates to a lubricant composition, and more particularly to a lubricant composition, which includes an ethylene-alphaolefin oligomer and an alkylated phosphonium compound, thus realizing energy reduction and an increased endurance life, and which is thus suitable for use in gear oil. The lubricant composition of the present invention includes a base oil, a liquid olefin copolymer, and an alkylated phosphonium compound.