NITROSAMINE INHIBITING COMPOSITIONS FOR SHORTSTOPPING OF FREE RADICAL EMULSION POLYMERIZATIONS
Application 792/MUM/2000 published 2006-02-03, filed 2000-08-30
The present invention is a composition for and a method of shortstopping free radical emulsion polymerizations that inhibits the formation of nitrosamines. The composition comprised nitrosamine inhibitors in combination with conventional alkyl hydroxylamine shortstoppers. Such nitrosamine inhibitors are based on primary amines, amine containing polymers, pyrroles, hydroquinoes, certain phenols, ascorbic acid, and other well-known nitrosation inhibitors; they may be used individually or as a blend. The compositions are targeted for applications in the emulsion processes for producing rubber latexes and the preparation of rubber products thereafter. Drawing: NIL Sheets. Total Pages: 15. Fig. Nil
Applicant
ATOFINA CHEMICALS INC.
2000 MARKET STREET, PHILADELPHIA, PENNSYLVANIA 19103-3222, U.S.A.
Inventor
1. JIANFENG LOU 2. THOMAS SYLVESTER BUSZTA 3. MICHAEL DAVID GERNON
International Info
Classification: C08G 81/00, 81/02
Priority Information
09/631,756 U.S.A. 2000-08-03
60/153,150 U.S.A. 1999-09-09