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Ethylene-vinyl alcohol copolymer composition, multilayer structure produced by using the composition, and hot-water sterilizable package
US2019010305A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2019010305-A1 |
| Application number | US-201616065827-A |
| Country | US |
| Kind code | A1 |
| Filing date | Dec 28, 2016 |
| Priority date | Dec 28, 2015 |
| Publication date | Jan 10, 2019 |
| Grant date | — |
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Abstract
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An ethylene-vinyl alcohol copolymer composition comprising: (A) an ethylene-vinyl alcohol copolymer; (B) a phosphoric acid compound; and an iron compound; wherein the iron compound is present in a proportion of 0.01 to 100 ppm on a metal basis based on the weight of the ethylene-vinyl alcohol copolymer composition; wherein the phosphoric acid compound (B) is present in a proportion of 1 to 100 ppm on a phosphorus basis based on the weight of the ethylene-vinyl alcohol copolymer composition. Therefore, the ethylene-vinyl alcohol copolymer composition has an excellent adhesive property with respect to a metal surface.
First claim
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1 . An ethylene-vinyl alcohol copolymer composition comprising: (A) an ethylene-vinyl alcohol copolymer; (B) a phosphoric acid compound; and an iron compound; wherein the iron compound is present in a proportion of 0.01 to 100 ppm on a metal basis based on weight of the ethylene-vinyl alcohol copolymer composition; and wherein the phosphoric acid compound (B) is present in a proportion of 1 to 100 ppm on a phosphorus basis based on weight of the ethylene-vinyl alcohol copolymer composition. 2 . The ethylene-vinyl alcohol copolymer composition according to claim 1 , wherein the phosphoric acid compound (B) is at least one of phosphoric acid and a phosphate. 3 . A multilayer structure comprising a laminate unit including at least a layer comprising the ethylene-vinyl alcohol copolymer composition according to claim 1 , and a layer comprising a metal component as a main component. 4 . A hot-water sterilizable package that comprises the multilayer structure according to claim 3 .
Assignees
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Classifications
Food packaging · CPC title
in the form of filamentary material, e.g. combined with extrusion · CPC title
Metals · CPC title
comprising vinyl resins; comprising acrylic resins · CPC title
- C08K3/32Primary
Phosphorus-containing compounds · CPC title
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- What does patent US2019010305A1 cover?
- An ethylene-vinyl alcohol copolymer composition comprising: (A) an ethylene-vinyl alcohol copolymer; (B) a phosphoric acid compound; and an iron compound; wherein the iron compound is present in a proportion of 0.01 to 100 ppm on a metal basis based on the weight of the ethylene-vinyl alcohol copolymer composition; wherein the phosphoric acid compound (B) is present in a proportion of 1 to 100 …
- Who is the assignee on this patent?
- Nippon Synthetic Chem Ind Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification C08K3/32. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Thu Jan 10 2019 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).