Oxygen absorbing resin, deoxidizing multi-layer structure using

Details Oxygen absorbing resin, deoxidizing multi-layer structure using Oxygen absorbing resin, deoxidizing multi-layer structure using

1997-06-30

1999-06-01

Dees, Jose' G.

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

428 366, 428 367, 428500, 428688, 428689, 524261, 524313, 524435, 524437, 525 95, 525 98, B29D 2200

Patent

active

059086769

ABSTRACT:
An oxygen absorbing resin in which a deoxidizing composition is dispersed in a thermo-plastic resin mixture comprising (A) a thermoplastic elastomer and/or an ethylene propylene copolymer and (B) a thermo-plastic resin other than the above-mentioned (A), and having a flexural modulus of 600 MPa or less and an oxygen permeability of 130 cc.mm/m.sup.2.atm.day (23.degree. C., 50% RH) or more. The oxygen absorbing resin has an oxygen absorbing performance equal to that of a conventional deoxidizing agent in a small bag. A deoxidizing multi-layer structure which comprises a layer (I) comprising a thermoplastic resin layer having an oxygen permeability of 800 cc/m.sup.2.atm.day (23.degree. C., 50% RH) or more, a layer (II) comprising the oxygen absorbing resin, and a layer (III) having gas barrier properties. In addition, the deoxidizing multi-layer structure has a function of positively and efficiently absorbing oxygen.

REFERENCES:
Database WPI, Week 8329, Derwent Publications Ltd., London, GB, AN 83-713398 of JP 58 096 550, Jun. 8, 1983.

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