Method of improving stability of aromatic polycarbodi-imide

Application Number: 00108546
Application Date: 2000.05.17
Publication Number: 1273980
Publication Date: 2000.11.22
Priority Information: 1999/5/18 US 60/134,703
International: C08G18/02;C08K5/43;C08K5/54
Applicant(s) Name: Rohm & Haas Co.
Inventor(s) Name: W. T. Buran
Patent Agency Code: 11038
Patent Agent: chen jizhuang
Abstract A method of improving the stability of ar-p CDI formed using phosphorous oxide catalysts by deactivating the catalyst by addition to the ar-p CDI of at least one catalyst poison is disclosed.