公开(公告)号：US20190247821A1

公开(公告)日：2019-08-15

申请号：US16253741

申请日：2019-01-22

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Vetkav R. Eswaran ,  Jay L. Reimers ,  Keith C. Gallow

IPC: B01J19/06 ,  C08F10/02 ,  C08F10/06 ,  C08F10/08 ,  C08F10/14 ,  B01J19/00

CPC classification number: B01J19/06 ,  B01J19/0013 ,  B01J2219/00083 ,  C08F10/02 ,  C08F10/06 ,  C08F10/08 ,  C08F10/14

Abstract: Methods and systems for solution polymerization. The method can include forming a first mixture stream consisting essentially of at least one catalyst and a process solvent, and forming a second mixture stream consisting essentially of at least one activator and the process solvent. The first mixture stream and the second mixture stream can be fed separately to at least one reaction zone comprising one or more monomers dissolved in the process solvent where the at least one monomers can be polymerized within the at least one reaction zone in the presence of the catalyst, activator and process solvent to produce a polymer product.

公开(公告)号：US20240010761A1

公开(公告)日：2024-01-11

申请号：US18035020

申请日：2021-10-05

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Jose M. Vargas ,  Keith C. Gallow ,  Thomas R. Barbee ,  Alison M. Miller ,  Yuan-Ju Chen

IPC: C08F8/04 ,  B01J27/049

CPC classification number: C08F8/04 ,  B01J27/049

Abstract: Methods for resin hydrogenation and decoloration may comprise reacting a resin mixture with a sulfided bimetallic catalyst and excess hydrogen under conditions effective to form a hydrogenated resin mixture, the resin mixture comprising an oligomerized reaction product of at least one polymerizable monomer containing an olefinic unsaturation and a solvent; providing the hydrogenated resin mixture directly to a noble metal catalyst; and reacting the hydrogenated resin mixture in the presence of the noble metal catalyst under conditions effective to form a decolorized resin mixture. Decolorized resin compositions comprising a decolorized resin mixture formed in accordance with the foregoing may have a yellowness index of about 10 or below, as measured by ASTM E313.

公开(公告)号：US11213798B2

公开(公告)日：2022-01-04

申请号：US16253741

申请日：2019-01-22

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Vetkav R. Eswaran ,  Jay L. Reimers ,  Keith C. Gallow

IPC: C08F10/02 ,  C08F2/01 ,  C08F2/04 ,  B01J19/06 ,  C08F10/06 ,  C08F10/14 ,  B01J19/00 ,  C08F10/08

Abstract: Methods and systems for solution polymerization. The method can include forming a first mixture stream consisting essentially of at least one catalyst and a process solvent, and forming a second mixture stream consisting essentially of at least one activator and the process solvent. The first mixture stream and the second mixture stream can be fed separately to at least one reaction zone comprising one or more monomers dissolved in the process solvent where the at least one monomers can be polymerized within the at least one reaction zone in the presence of the catalyst, activator and process solvent to produce a polymer product.