WO2010004504A3 - Polymer sheet - Google Patents
Polymer sheet Download PDFInfo
- Publication number
- WO2010004504A3 WO2010004504A3 PCT/IB2009/052937 IB2009052937W WO2010004504A3 WO 2010004504 A3 WO2010004504 A3 WO 2010004504A3 IB 2009052937 W IB2009052937 W IB 2009052937W WO 2010004504 A3 WO2010004504 A3 WO 2010004504A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polymer sheet
- heat
- layer
- polyamide
- polymer
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/31—Heat sealable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
Abstract
A polymer sheet for producing a heat-sealed peelable product lid, flow-pack or bag; and a method of producing same. The polymer sheet comprises a lower heat-sealing layer comprising polyolefins and additives, a middle layer comprising a polymer support layer and an upper heat resistant layer comprising a polyamide. The polymer sheet is produced in a single extrusion process, extruding simultaneously at least one polymeric heat-sealing layer and at least one polyamide.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7950708P | 2008-07-10 | 2008-07-10 | |
US61/079,507 | 2008-07-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2010004504A2 WO2010004504A2 (en) | 2010-01-14 |
WO2010004504A3 true WO2010004504A3 (en) | 2010-04-01 |
Family
ID=41507507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2009/052937 WO2010004504A2 (en) | 2008-07-10 | 2009-07-06 | Polymer sheet |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2010004504A2 (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3791915A (en) * | 1971-07-06 | 1974-02-12 | American Can Co | Multilayer laminated polyethylene copolymer-polyamide film |
US4233367A (en) * | 1977-01-06 | 1980-11-11 | American Can Company | Coextruded multilayer film |
US4687688A (en) * | 1986-02-18 | 1987-08-18 | American Can Company | Oriented multiple layer films and bags made therefrom |
EP0322189A2 (en) * | 1987-12-23 | 1989-06-28 | American National Can Company | Multiple layer sheet materials and packaging made therefrom |
US4870134A (en) * | 1987-05-27 | 1989-09-26 | Shell Oil Company | Film, sheet and laminate capable of forming easy-open packagings |
GB2360038A (en) * | 2000-03-08 | 2001-09-12 | Rexam Med Packaging Ltd | Heat sealable polymeric films |
US6291041B1 (en) * | 1999-05-10 | 2001-09-18 | Curwood, Inc. | Heat resistant nylon multi-layer film |
US20030064181A1 (en) * | 2001-09-07 | 2003-04-03 | Brian Ingraham | Peelable film and packaging made therefrom |
US20040115458A1 (en) * | 2002-12-13 | 2004-06-17 | Dan-Cheng Kong | Sealable and peelable film structure |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE469939B (en) | 1992-03-03 | 1993-10-11 | Tetra Laval Holdings & Finance | Material web for the manufacture of packaging containers with an opening device comprising a drawstring |
WO2006097927A2 (en) | 2005-03-15 | 2006-09-21 | Blajwis Ze Ev | Re-closing method for containers |
-
2009
- 2009-07-06 WO PCT/IB2009/052937 patent/WO2010004504A2/en active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3791915A (en) * | 1971-07-06 | 1974-02-12 | American Can Co | Multilayer laminated polyethylene copolymer-polyamide film |
US4233367A (en) * | 1977-01-06 | 1980-11-11 | American Can Company | Coextruded multilayer film |
US4687688A (en) * | 1986-02-18 | 1987-08-18 | American Can Company | Oriented multiple layer films and bags made therefrom |
US4870134A (en) * | 1987-05-27 | 1989-09-26 | Shell Oil Company | Film, sheet and laminate capable of forming easy-open packagings |
EP0322189A2 (en) * | 1987-12-23 | 1989-06-28 | American National Can Company | Multiple layer sheet materials and packaging made therefrom |
US6291041B1 (en) * | 1999-05-10 | 2001-09-18 | Curwood, Inc. | Heat resistant nylon multi-layer film |
GB2360038A (en) * | 2000-03-08 | 2001-09-12 | Rexam Med Packaging Ltd | Heat sealable polymeric films |
US20030064181A1 (en) * | 2001-09-07 | 2003-04-03 | Brian Ingraham | Peelable film and packaging made therefrom |
US20040115458A1 (en) * | 2002-12-13 | 2004-06-17 | Dan-Cheng Kong | Sealable and peelable film structure |
Also Published As
Publication number | Publication date |
---|---|
WO2010004504A2 (en) | 2010-01-14 |
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