Invention Grant
- Patent Title: Devolatilization of anhydride polymers
- Patent Title (中): 酸酐聚合物的脱挥发性
-
Application No.: US12381176Application Date: 2009-03-09
-
Publication No.: US07737249B2Publication Date: 2010-06-15
- Inventor: Eugene R. Moore
- Applicant: Eugene R. Moore
- Applicant Address: US MI Midland
- Assignee: Cartilast Corporation
- Current Assignee: Cartilast Corporation
- Current Assignee Address: US MI Midland
- Agent Bernd W Sandy
- Main IPC: C08F6/00
- IPC: C08F6/00 ; C08F222/08
Abstract:
The present invention relates to the formation of low volatile anhydride-containing aromatic vinyl polymers by polymerizing the half ester of the anhydride with a vinyl aromatic monomer followed by devolatilizing the half-ester and reforming the anhydride at elevated temperatures and reduced pressures.
Public/Granted literature
- US20090176955A1 Devolatilization of anhydride polymers Public/Granted day:2009-07-09
Information query
