Patent · US Active

Continuous process for preparation of high heat resistance copolymers

US10407523B2 · kind B2 · utility

0Cited by

8References

15Claims

0Family size

Assignee

SABIC GLOBAL TECHNOLOGIES B.V. · NL

Inventors

Dejin Li · Athens, US
George H. Flowers · Ocean Springs, US
Shripathy Vilasagar · Parkersburg, US

Key dates

Filing date	Feb 25, 2016
Grant date	Sep 10, 2019
Priority date	—
Expiry date	Mar 20, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J11/06
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present disclosure concerns a bulk polymerization process for the preparation of high heat performance copolymer resins with a reduced amount of oligomer byproduct. The method can comprise isolating oligomer byproduct and introducing the oligomer byproduct into the reactant mixture for the bulk polymerization process.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.