公开(公告)号：US20210355297A1

公开(公告)日：2021-11-18

申请号：US17307616

申请日：2021-05-04

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Bin Zhao ,  Chen Wan ,  George J. Pehlert ,  Luis A. Sotomayor

IPC: C08K5/13 ,  C08K5/526 ,  C08L23/12 ,  C08L23/08

Abstract: Disclosed are compositions comprising at least one polyolefin, a hindered phenol, and a phenyl phosphite; wherein the overall concentration of the hindered phenol and phenyl phosphite is within a range from 10 ppm to 5000 ppm in the polyolefin, and wherein the amount of the hindered phenol is less than the phenyl phosphite. Also disclosed herein are compositions comprising at least one polypropylene, a neutralizer, a hindered phenol, and a phenyl phosphite; wherein the overall concentration of the hindered phenol and phenyl phosphite is within a range from 1000 ppm to 5000 ppm in the polyolefin, and wherein the amount of the hindered phenol is from 200 to 2000 ppm less than the phenyl phosphite.

公开(公告)号：US11773235B2

公开(公告)日：2023-10-03

申请号：US17307616

申请日：2021-05-04

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Bin Zhao ,  Chen Wan ,  George J. Pehlert ,  Luis A. Sotomayor

IPC: C08K5/13 ,  C08K5/526 ,  C08L23/08 ,  C08L23/12

CPC classification number: C08K5/13 ,  C08K5/526 ,  C08L23/08 ,  C08L23/12 ,  C08K2201/019

Abstract: Disclosed are compositions comprising at least one polyolefin, a hindered phenol, and a phenyl phosphite; wherein the overall concentration of the hindered phenol and phenyl phosphite is within a range from 10 ppm to 5000 ppm in the polyolefin, and wherein the amount of the hindered phenol is less than the phenyl phosphite. Also disclosed herein are compositions comprising at least one polypropylene, a neutralizer, a hindered phenol, and a phenyl phosphite; wherein the overall concentration of the hindered phenol and phenyl phosphite is within a range from 1000 ppm to 5000 ppm in the polyolefin, and wherein the amount of the hindered phenol is from 200 to 2000 ppm less than the phenyl phosphite.