Methods and compositions for improved initiation of oxygen scave

Details Methods and compositions for improved initiation of oxygen scave Methods and compositions for improved initiation of oxygen scave

1997-02-12

1998-09-22

Anthony, Joseph D.

Compositions

Reductive bleachant, deoxidant, reductant, or generative

Deoxidant or oxygen scavenging

428 353, 428 357, 4284111, C09K 1502, C09K 1504

Patent

active

058110275

ABSTRACT:
An improved method of initiating oxygen scavenging by compositions which comprise compounding oxidizable organic compounds and transition metal catalysts to form a composition suitable for forming into films or articles for packaging of oxygen sensitive products is disclosed. The method requires the addition of small amounts of a base to the oxygen scavenging composition as it is being compounded to improve the initiation properties and subjecting the film or article formed from the composition to actinic or electron beam radiation.

REFERENCES:
patent: 3903026 (1975-09-01), Fujimura et al.
patent: 4361668 (1982-11-01), Lawson
patent: 4908151 (1990-03-01), Inoue et al.
patent: 5211875 (1993-05-01), Speer et al.
patent: 5286407 (1994-02-01), Inoue et al
patent: 5305948 (1994-04-01), Yoshikawa et al.
patent: 5648020 (1997-07-01), Speer et al.

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