Oxygen scavenging compositions comprising polymers derived from benzenedimethanol monomers
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IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C09K-015/02
C09K-015/00
C09K-015/06
C09K-015/08
B32B-001/08
B32B-001/00
출원번호
US-0076064
(2002-02-14)
발명자
/ 주소
Yang,Hu
Ching,Ta Yen
Woodcock,Steven
출원인 / 주소
Chevron Phillips Chemical Company, LP
인용정보
피인용 횟수 :
6인용 특허 :
33
초록▼
Herein is disclosed an oxygen scavenging composition, comprising (i) an oxygen scavenging polymer comprising structure I: description="In-line Formulae" end="lead"X--R--X--O--CH2--Ar--CH 2--O, (I)description="In-line Formulae" end="tail" wherein--R--is selected from the group consisting of C 1-C24
Herein is disclosed an oxygen scavenging composition, comprising (i) an oxygen scavenging polymer comprising structure I: description="In-line Formulae" end="lead"X--R--X--O--CH2--Ar--CH 2--O, (I)description="In-line Formulae" end="tail" wherein--R--is selected from the group consisting of C 1-C24 alkyl, C1-C24 substituted alkyl, C6-C24 aryl, and C6-C24 substituted aryl;--Ar--is selected from the group consisting of C6-C24 aryl and C6-C24 substituted aryl; and--X--is selected from the group consisting of null and--C(═O)--; (ii) a transition metal oxidation catalyst; and (iii) an energy-absorbing compound selected from the group consisting of microwave reactive materials and photoinitiators having a wavelength of maximum absorption of electromagnetic radiation from about 200 nm to about 750 nm. The oxygen scavenging composition can be used to form an oxygen barrier packaging article.
대표청구항▼
What is claimed is: 1. An oxygen barrier packaging article, comprising: an oxygen scavenging polymer comprising structure I: description="In-line Formulae" end="lead"X--R--X--O--CH2--Ar--CH 2--O, (I)description="In-line Formulae" end="tail" wherein--R--is selected from the group consisting of
What is claimed is: 1. An oxygen barrier packaging article, comprising: an oxygen scavenging polymer comprising structure I: description="In-line Formulae" end="lead"X--R--X--O--CH2--Ar--CH 2--O, (I)description="In-line Formulae" end="tail" wherein--R--is selected from the group consisting of C 1-C24 alkyl, C1-C24 substituted alkyl, C6-C24 aryl, and C6-C24 substituted aryl;--Ar--is selected from the group consisting of C6-C24 aryl and C6-C24 substituted aryl; and--X--is selected from the group consisting of null and--C(═O)--; a transition metal oxidation catalyst; and an energy-absorbing compound selected from the group consisting of microwave reactive materials and photoinitiators having a wavelength of maximum absorption of electromagnetic radiation from about 200 nm to about 750 nm. 2. The packaging article of claim 1, wherein the oxygen scavenging polymer consists essentially of units having structure I. 3. The packaging article of claim 1, wherein the transition metal catalyst is a cobalt salt. 4. The packaging article of claim 3, wherein the cobalt salt is selected from the group consisting of cobalt oleate, cobalt stearate, and cobalt neodecanoate. 5. The packaging article of claim 1, wherein the energy-absorbing compound is a photoinitiator selected from the group consisting of benzophenone derivatives containing at least two benzophenone moieties and having the formula: description="In-line Formulae" end="lead"Aa (B)bdescription="In-line Formulae" end="tail" wherein A is a bridging group selected from the group consisting of sulfur, oxygen, carbonyl,--SiR"1--, wherein each R" is individually selected from alkyl groups containing from 1 to 12 carbon atoms, aryl groups containing 6 to 12 carbon atoms, or alkoxy groups containing from 1 to 12 carbon atoms,--NR'"--, wherein R'" is an alkyl group containing 1 to 12 carbon atoms, an aryl group containing 6 to 12 carbon atoms, or hydrogen, and an organic group containing from 1 to 50 carbon atoms; a is an integer from 0 to 11; B is a substituted or unsubstituted benzophenone group; and b is an integer from 2 to 12. 6. The packaging article of claim 5, wherein the photoinitiator is selected from the group consisting of dibenzoyl biphenyl, substituted dibenzoyl biphenyl, benzoylated terphenyl, substituted benzoylated terphenyl, tribenzoyl triphenylbenzene, substituted tribenzoyl triphenylbenzene, benzoylated styrene oligomer, and substituted benzoylated styrene oligomer. 7. The packaging article of claim 1, further comprising an antioxidant. 8. The packaging article of claim 7, wherein the antioxidant is selected from the group consisting of 2,6-di(t-butyl)-4-methylphenol (BHT), 2,2'-methylene-bis(6-t-butyl-p-cresol), triphenylphosphite, tris-(nonylphenyl)phosphite, vitamin E, tetra-bismethylene 3-(3,5-ditertbutyl-4-hydroxyphenyl)-propionate methane, and dilaurylthiodipropionate. 9. The packaging article of claim 1, further comprising an oxygen barrier polymer selected from the group consisting of poly(ethylene vinyl alcohol) (EVOH, polyacrylonitrile, polyvinyl chloride (PVC), poly(vinylidene dichloride), polyethylene terephthalate (PET), and polyamide. 10. The packaging article of claim 1, further comprising an oxygen barrier layer. 11. The packaging article of claim 10, wherein the oxygen barrier layer comprises poly(ethylene vinyl alcohol) (EVOH), polyacrylonitrile, polyvinyl chloride (PVC), poly(vinylidene dichloride), polyethylene terephthalate (PET), or polyamide. 12. The packaging article of claim 11, wherein the oxygen barrier layer comprises EVOH, and the packaging article further comprises a moisture barrier layer. 13. The packaging article of claim 12, wherein the moisture barrier layer comprises polyethylene, polyethylene terephthalate (PET), or a mixture thereof. 14. The packaging article of claim 1, further comprising a structural layer. 15. The packaging article of claim 14, wherein the structural layer comprises polyethylene, low density polyethylene, very low density polyethylene, ultra-low density polyethylene, high density polyethylene, polypropylene, polyethylene terephthalate (PET), polyethylene naphthalate (PEN), nylon, polyvinyl chloride, ethylene-vinyl acetate, ethylene-alkyl (meth)acrylates, ethylene-(meth)acrylic acid, ethylene-(meth)acrylic acid ionomers, aluminum foil, or paperboard. 16. The packaging article of claim 15, wherein the structural layer comprises PET, aluminum foil, or paperboard. 17. The packaging article of claim 1, wherein the oxygen scavenging polymer, the transition metal oxidation catalyst and energy-absorbing compound comprise a liner, coating, sealant, gasket, adhesive insert, non-adhesive insert, or fibrous mat insert in the packaging article. 18. The packaging article of claim 1, wherein the packaging article is in the form of a single layer film, a multilayer film, a single layer rigid article, or a multilayer rigid article.
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이 특허에 인용된 특허 (33)
Young Donald C. (Fullerton CA), Acid catalyzed reactions.
Ching Ta Yen ; Katsumoto Kiyoshi ; Current Steven P. ; Theard Leslie P., Compositions having ethylenic backbone and benzylic allylic or ether-containing side-chains oxygen scavenging compositi.
Ching Ta Yen ; Katsumoto Kiyoshi ; Current Steven P. ; Theard Leslie P., Compositions having ethylenic backbone and benzylic, allylic, or ether-containing side-chains, oxygen scavenging compo.
Ching Ta Y. (Novato CA) Katsumoto Kiyoshi (Cerrito CA) Current Steven P. (Novato CA) Theard Leslie P. (Houston TX), Compositions having ethylenic backbone and benzylic, allylic, or ether-containing side-chains, oxygen scavenging composi.
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Katsumoto Kiyoshi (El Cerrito CA) Ching Ta Yen (Novato CA) Theard Leslie P. (Houston TX) Current Steven P. (Novato CA), Multi-component oxygen scavenger system useful in film packaging.
Speer Drew V. (Columbia MD) Roberts William P. (Columbia MD) Morgan Charles R. (Brookeville MD) Ebner Cynthia L. (Mt. Airy MD), Packaging articles suitable for scavenging oxygen.
Douglas, Michael J.; Buelow, Duane H.; Mueller, Chad D.; Blemberg, Robert J.; Castellani, Roberto P., Multilayer barrier structures, methods of making the same and packages made therefrom.
Blemberg, Robert J.; Mueller, Chad D.; Douglas, Michael J.; Buelow, Duane H.; Castellani, Roberto P., Multilayer structures, packages, and methods of making multilayer structures.
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