C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 15/06 (2006.01) A23L 3/3436 (2006.01) B32B 27/08 (2006.01) B32B 27/18 (2006.01) B65D 51/24 (2006.01) B65D 81/26 (2006.01) C07C 45/46 (2006.01) C07C 49/784 (2006.01) C07C 49/786 (2006.01) C07C 49/788 (2006.01) C08K 5/00 (2006.01) C08K 5/132 (2006.01)
Patent
CA 2288616
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.
L'invention concerne une composition (ou système) désoxygénante qui contient une matière désoxygénante, un photoamorceur, et au moins un catalyseur pouvant catalyser efficacement une réaction de désoxygénation, le photoamorceur contenant un dérivé de benzophénone ayant au moins deux fractions de benzophénone. L'invention concerne en outre un film, une composition polyphasée, une composition multicouche, un film multicouche, un produit contenant la composition désoxygénante, une méthode de préparation de la composition désoxygénante et une méthode de désoxygénation. L'invention concerne enfin des photoamorceurs de dérivés de benzophénone non extractibles ainsi que des méthodes de préparation associées.
Ching Ta Yen
Goodrich Joseph L.
Katsumoto Kiyoshi
Speer Drew Ve
Chevron Chemical Company Llc
Chevron Phillips Chemical Company Lp
Cryovac Inc.
Sim & Mcburney
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