公开(公告)号：US20220289879A1

公开(公告)日：2022-09-15

申请号：US17678822

申请日：2022-02-23

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Alex E. Carpenter ,  Tzu-Pin Lin ,  Brian J. Rohde ,  Sarah J. Mattler ,  Nikola S. Lambic ,  Hsu Chiang ,  Peijun Jiang ,  Irene C. Cai ,  Gursu Culcu ,  Jarod M. Younker

IPC: C08F36/20 ,  C08L23/08 ,  C08L23/14 ,  C08L23/16 ,  C08F4/76

Abstract: This invention relates to polymers comprising: one or more that include 1) at least 11 wt % 4 substituted 1,4 hexadiene and less than 20 wt % 5-methyl-1,4-hexadiene, based upon the weight of the polymer, and 2) optionally, one or more olefins; and processes to produces such polymers using metallocene or post-metallocene catalyst compounds.

公开(公告)号：US20240317905A1

公开(公告)日：2024-09-26

申请号：US18545505

申请日：2023-12-19

Applicant: EXXONMOBIL CHEMICAL PATENTS INC. ,  THE TRUSTEES OF PRINCETON UNIVERSITY

Inventor： Nikola S. Lambic ,  Brian J. Rohde ,  Irene C. Cai ,  Sarah J. Mattler ,  Tzu-Pin Lin ,  Gursu Culcu ,  Jo Ann M. Canich ,  Jarod M. Younker ,  Alex E. Carptenter ,  Paul J. Chirik

IPC: C08F10/14 ,  C08F4/659 ,  C08F4/6592

CPC classification number: C08F10/14 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65927

Abstract: Vinylcyclobutane (VCB) homopolymers, VCB copolymers and processes for making same. The VCB homopolymers and copolymers have a polydispersity (PDI) of less than 3.0 and are made by contacting VCB monomer in the presence of a single-site metallocene, post metallocene, or half metallocene, and an activator, under sufficient reaction conditions to produce a VCB (co)polymer having the narrow PDI of less than 3.0. The resulting poly(vinylcyclobutane) polymers have increased crystallinity and melting point properties (Tm of 165° C. to 246° C.) that are comparable to conventional polyolefins such as polyethylene (typical Tm