CA2191901A1 - Adhesive Resin Composition, Laminate Comprising This Composition as Adhesive Layer, and Process for Preparation Thereof - Google Patents
Adhesive Resin Composition, Laminate Comprising This Composition as Adhesive Layer, and Process for Preparation ThereofInfo
- Publication number
- CA2191901A1 CA2191901A1 CA 2191901 CA2191901A CA2191901A1 CA 2191901 A1 CA2191901 A1 CA 2191901A1 CA 2191901 CA2191901 CA 2191901 CA 2191901 A CA2191901 A CA 2191901A CA 2191901 A1 CA2191901 A1 CA 2191901A1
- Authority
- CA
- Canada
- Prior art keywords
- resin composition
- layer
- laminate
- adhesive resin
- composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
Disclosed is a laminate structure adapted for use as a retortable packaging material, comprising:
(I) a layer of polyalkylene terephthalate or polycarbonate resin, (III) a saponified olefin/vinyl acetate copolymer layer, and (II) interposed therebetween, a layer of an adhesive resin composition. The adhesive resin composition comprises 100 wt. parts of a soft polymer and 1-30 wt. parts of polyethylene partially or wholly graft modified with unsaturated carboxylic acid or its derivative. The soft polymer may be styrene elastomer alone or in combination with ethylene/.alpha.-olefin copolymer and/or ethylene/vinyl acetate copolymer. Interlaminar peeling of the laminate rarely occurs even under a high temperature filling or retort treatment.
(I) a layer of polyalkylene terephthalate or polycarbonate resin, (III) a saponified olefin/vinyl acetate copolymer layer, and (II) interposed therebetween, a layer of an adhesive resin composition. The adhesive resin composition comprises 100 wt. parts of a soft polymer and 1-30 wt. parts of polyethylene partially or wholly graft modified with unsaturated carboxylic acid or its derivative. The soft polymer may be styrene elastomer alone or in combination with ethylene/.alpha.-olefin copolymer and/or ethylene/vinyl acetate copolymer. Interlaminar peeling of the laminate rarely occurs even under a high temperature filling or retort treatment.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP204508/89 | 1989-08-07 | ||
JP1204508A JP2820242B2 (en) | 1989-08-07 | 1989-08-07 | Adhesive resin composition |
JP242775/89 | 1989-09-19 | ||
JP1242775A JP2760595B2 (en) | 1989-09-19 | 1989-09-19 | Laminate |
CA002022799A CA2022799C (en) | 1989-08-07 | 1990-08-07 | Adhesive resin composition, laminate comprising this composition as adhesive layer, and process for preparation thereof |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002022799A Division CA2022799C (en) | 1989-08-07 | 1990-08-07 | Adhesive resin composition, laminate comprising this composition as adhesive layer, and process for preparation thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2191901A1 true CA2191901A1 (en) | 1991-02-08 |
CA2191901C CA2191901C (en) | 1999-02-16 |
Family
ID=27168787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002191901A Expired - Fee Related CA2191901C (en) | 1989-08-07 | 1990-08-07 | Adhesive resin composition, laminate comprising this composition as adhesive layer, and process for preparation thereof |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2191901C (en) |
-
1990
- 1990-08-07 CA CA002191901A patent/CA2191901C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2191901C (en) | 1999-02-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |