Efficiency oxygen-scavenging compositions and articles

Details Efficiency oxygen-scavenging compositions and articles Efficiency oxygen-scavenging compositions and articles

1997-08-12

1999-03-23

Kelly, C. H.

Compositions

Reductive bleachant, deoxidant, reductant, or generative

Deoxidant or oxygen scavenging

428 358, C01B 300, B29D 2200

Patent

active

058854819

ABSTRACT:
Oxygen-scavenging compositions comprising an oxidizable metal component and a solid, halogen-free, acidifying electrolyte component and, optionally, a water-absorbant binder and/or a polymeric resin exhibit good oxygen-scavenging performance and oxidation efficiency. The compositions can be used as an oxygen absorbent in packets or in combination with thermoplastic resins melt-fabricated into a wide variety of oxygen-scavenging packaging articles.

REFERENCES:
patent: 4130551 (1978-12-01), Bockrath et al.
patent: 5147631 (1992-09-01), Glajch et al.
The Merck Index, 11 ed., Merck & Co., Inc., 1989, pp. 872, 894, 1217, 1357, 1368, 1600.
Active Packaging Films And Susceptors, UNCTAD/GATT, Geneva XP 000574239 May 1992.

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