WO1997028960A3 - Heat sealable, peelable film and method of making same - Google Patents
Heat sealable, peelable film and method of making same Download PDFInfo
- Publication number
- WO1997028960A3 WO1997028960A3 PCT/US1996/020509 US9620509W WO9728960A3 WO 1997028960 A3 WO1997028960 A3 WO 1997028960A3 US 9620509 W US9620509 W US 9620509W WO 9728960 A3 WO9728960 A3 WO 9728960A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat sealable
- making same
- peelable film
- peelable
- film
- 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
- B32B27/06—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
- B32B27/32—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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- 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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
-
- 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
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
-
- 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
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
- B32B2323/043—HDPE, i.e. high density polyethylene
-
- 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
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
- B32B2323/046—LDPE, i.e. low density polyethylene
-
- 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
- B32B2323/00—Polyalkenes
- B32B2323/10—Polypropylene
-
- 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
- B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
-
- 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
- B32B2377/00—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
- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/08—Copolymers of ethene
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention provides a heat sealable, yet peelable film. The film comprises at least one metallocene catalyst based polyethylene sealant material, and at least one peelable additive material such as polybutylene and/or polypropylene, copolymers and terpolymers thereof.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU13449/97A AU1344997A (en) | 1996-02-09 | 1996-12-16 | Heat sealable, peelable film and method of making same |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1146896P | 1996-02-09 | 1996-02-09 | |
US60/011,468 | 1996-02-09 | ||
US68104896A | 1996-07-22 | 1996-07-22 | |
US08/681,048 | 1996-07-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1997028960A2 WO1997028960A2 (en) | 1997-08-14 |
WO1997028960A3 true WO1997028960A3 (en) | 1997-09-12 |
Family
ID=26682435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1996/020509 WO1997028960A2 (en) | 1996-02-09 | 1996-12-16 | Heat sealable, peelable film and method of making same |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU1344997A (en) |
WO (1) | WO1997028960A2 (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998006676A1 (en) | 1996-08-13 | 1998-02-19 | Nippon Sheet Glass Co., Ltd. | LASER MACHINING METHOD FOR GlASS SUBSTRATE, DIFFRACTION TYPE OPTICAL DEVICE FABRICATED BY THE MACHINING METHOD, AND METHOD OF MANUFACTURING OPTICAL DEVICE |
US6094889A (en) * | 1997-02-25 | 2000-08-01 | Exxon Chemical Patents, Inc. | Method of form and seal packaging |
CA2280699A1 (en) * | 1997-02-25 | 1998-08-27 | Exxon Chemical Patents, Inc. | Corona discharge treated films having excellent coefficients of friction |
US6475578B1 (en) * | 1997-11-12 | 2002-11-05 | Pechiney Emballage Flexible Europe | Flexible packaging peelable seal system |
WO1999033913A1 (en) * | 1997-12-31 | 1999-07-08 | Shell Oil Company | Easy-open packaging |
CA2328378C (en) * | 1998-04-16 | 2008-11-04 | Cryovac Inc. | Ternary polymer blend, the film containing it, and the easy-to-open package made therewith |
EP0997268A1 (en) * | 1998-10-26 | 2000-05-03 | Elf Atochem S.A. | Films comprising metallocene polyethylene and polyamide |
US6262174B1 (en) | 1999-06-17 | 2001-07-17 | The Dow Chemical Company | Polymer compositions which exhibit high hot tack |
US6620897B1 (en) | 1999-09-07 | 2003-09-16 | E. I. Du Pont De Nemours And Company | Heat-sealable polyolefins and articles made therefrom |
WO2002053374A1 (en) | 2001-01-02 | 2002-07-11 | Dow Global Technologies Inc. | Peelable seal and method of making and using same |
US6630237B2 (en) | 2001-02-05 | 2003-10-07 | Cryovac, Inc. | Peelably sealed packaging |
WO2005071009A1 (en) * | 2004-01-08 | 2005-08-04 | E.I. Dupont De Nemours And Company | Composition comprising ethylene copolymers and polyolefin |
AU2005248405B2 (en) * | 2004-05-24 | 2010-07-01 | E.I. Dupont De Nemours And Company | Polymer blends for peelable and/or permanent seals |
JP5296378B2 (en) * | 2004-07-15 | 2013-09-25 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | Composition comprising ethylene-acrylate copolymer and polyolefin and tackifier |
US7459521B2 (en) | 2004-08-06 | 2008-12-02 | E.I. Dupont De Nemours And Company | Heat-sealable polyolefins and articles made therefrom |
US7588706B2 (en) | 2004-12-16 | 2009-09-15 | Exxonmobil Chemical Patents Inc. | Multi-layer films with improved properties |
EP1810823B1 (en) * | 2006-01-20 | 2008-12-24 | VIBAC S.p.A. | Multilyer heat-seal packaging film for foodstuff |
US9365711B2 (en) | 2011-09-23 | 2016-06-14 | Dow Global Technologies Llc | Olefin-based polymer compositions and articles prepared therefrom |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4665130A (en) * | 1984-08-31 | 1987-05-12 | Shell Oil Company | Packaging film and sheet capable of forming peelable seals with good optics |
US4876156A (en) * | 1987-05-15 | 1989-10-24 | Shell Oil Company | Film and sheet capable of forming retortable and easy-open packagings |
US5462807A (en) * | 1993-08-20 | 1995-10-31 | Exxon Chemical Patents Inc. | Heat sealable films and articles |
US5562958A (en) * | 1991-10-15 | 1996-10-08 | The Dow Chemical Company | Packaging and wrapping film |
-
1996
- 1996-12-16 WO PCT/US1996/020509 patent/WO1997028960A2/en active Application Filing
- 1996-12-16 AU AU13449/97A patent/AU1344997A/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4665130A (en) * | 1984-08-31 | 1987-05-12 | Shell Oil Company | Packaging film and sheet capable of forming peelable seals with good optics |
US4876156A (en) * | 1987-05-15 | 1989-10-24 | Shell Oil Company | Film and sheet capable of forming retortable and easy-open packagings |
US5562958A (en) * | 1991-10-15 | 1996-10-08 | The Dow Chemical Company | Packaging and wrapping film |
US5462807A (en) * | 1993-08-20 | 1995-10-31 | Exxon Chemical Patents Inc. | Heat sealable films and articles |
Also Published As
Publication number | Publication date |
---|---|
AU1344997A (en) | 1997-08-28 |
WO1997028960A2 (en) | 1997-08-14 |
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