Oxygen absorbent composition and molded body and package using the same

Patent metadata

Field	Value
Publication number	US-9670408-B2
Application number	US-201414766506-A
Country	US
Kind code	B2
Filing date	Mar 6, 2014
Priority date	Mar 6, 2013
Publication date	Jun 6, 2017
Grant date	Jun 6, 2017

Abstract

The provision of an oxygen absorbent composition comprising a compound (A) having two or more tetralin rings, at least one of the tetralin rings having a hydrogen bond bonded to a benzylic position thereof, and having two or more imide bonds, and a transition metal catalyst.

First claim

What is claimed is:

1. An oxygen absorbent composition comprising
a compound (A) having two or more tetralin rings, at least one of the tetralin rings having a hydrogen atom bonded to a benzylic position thereof, and having two or more imide bonds, and
a transition metal catalyst,
wherein the compound (A) is at least one compound selected from a group consisting of the following general formulas (1) to (4):

wherein R each independently represents a hydrogen atom or a monovalent substituent, the monovalent substituent is at least one selected from a group consisting of a halogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, a heterocyclic group, a cyano group, a hydroxy group, a carboxyl group, an ester group, an amide group, a nitro group, an alkoxy group, an aryloxy group, an acyl group, an amino group, a thiol group, an alkylthio group, an arylthio group, a heterocyclic thio group, and an imide group, and R may further have a substituent; m represents an integer of 0 to 6, n represents an integer of 0 to 3, p represents an integer of 0 to 7, q represents an integer of 0 to 2, r represents an integer of 0 to 4, s represents an integer of 0 to 5, and in at least one tetralin ring, one or more hydrogen atoms are bonded to a benzylic position thereof; and
X represents a divalent substituent, and the divalent substituent is at least one selected from a group consisting of an aromatic hydrocarbon group, a saturated or unsaturated alicyclic hydrocarbon group, a linear or branched, saturated or unsaturated aliphatic hydrocarbon group, and a heterocyclic group.

2. The oxygen absorbent composition according to claim 1 , further comprising a support substance.

3. The oxygen absorbent composition according to claim 2 , wherein the support substance is at least one selected from a group consisting of calcium silicate, diatomaceous earth, silica, and activated carbon.

4. The oxygen absorbent composition according to claim 2 , wherein 10 to 1000 parts by mass of the support substance is contained based on 100 parts by mass of the compound (A).

5. The oxygen absorbent composition according to claim 1 , wherein the transition metal catalyst comprises at least one transition metal selected from a group consisting of manganese, iron, cobalt, nickel, and copper.

6. The oxygen absorbent composition according to claim 1 , wherein the transition metal catalyst is contained with an amount of the transition metal being 0.001 to 10 parts by mass based on 100 parts by mass of the compound (A).

7. The oxygen absorbent composition according to claim 1 , further comprising a thermoplastic resin.

8. A molded body comprising the oxygen absorbent composition according to claim 7 .

9. A package obtained by packaging the oxygen absorbent composition according to claim 1 in an air-permeable packaging material.

Assignees

• Mitsubishi Gas Chemical Co

Inventors

• Ikeda Shinichi
• Okada Satoshi
• Iwamoto Shinpei
• Ito Fumihiro

Classifications

• C08K5/3432

  Six-membered rings · CPC title

• B01D2253/25

  Coated, impregnated or composite adsorbents · CPC title

• C09K15/20 Primary

  containing nitrogen and oxygen · CPC title

• B32B27/325

  comprising polycycloolefins · CPC title

• B01D2253/20

  Organic adsorbents · CPC title