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1. (WO1998051758) PHOTOINITIATORS AND OXYGEN SCAVENGING COMPOSITIONS

Pub. No.:    WO/1998/051758    International Application No.:    PCT/US1998/007734
Publication Date: Fri Nov 20 00:59:59 CET 1998 International Filing Date: Fri Apr 17 01:59:59 CEST 1998
IPC: A23L 3/3436
B32B 27/08
B65D 81/26
C07C 45/46
C07C 49/784
C07C 49/788
C08K 5/00
C08K 5/132
C09K 15/06
Applicants: CHEVRON CHEMICAL COMPANY LLC
CRYOVAC, INC.
Inventors: KATSUMOTO, Kiyoshi
CHING, Ta, Yen
GOODRICH, Joseph, L.
SPEER, Drew, Ve
Title: PHOTOINITIATORS AND OXYGEN SCAVENGING COMPOSITIONS
Abstract:
An oxygen scavenging composition or system is provided comprising an oxygen scavenging material, a photoinitiator, and at least one catalyst effective in catalyzing an oxygen scavenging reaction, wherein the photoinitiator comprises a benzophenone derivative containing at least two benzophenone moieties. A film, a multi-phase composition, a multi-layer composition, a multi-layer film, an article comprising the oxygen scavenging composition, a method for preparing the oxygen scavenging composition, and a method for scavenging oxygen are also provided. Non-extractable benzophenone derivative photoinitiators and methods for preparing same are also provided.