ZA915728B - Biaxially oriented sealable polypropylene film having improved barrier properties - Google Patents

Biaxially oriented sealable polypropylene film having improved barrier properties

Info

Publication number
ZA915728B
ZA915728B ZA915728A ZA915728A ZA915728B ZA 915728 B ZA915728 B ZA 915728B ZA 915728 A ZA915728 A ZA 915728A ZA 915728 A ZA915728 A ZA 915728A ZA 915728 B ZA915728 B ZA 915728B
Authority
ZA
South Africa
Prior art keywords
barrier properties
biaxially oriented
polypropylene film
improved barrier
sealable polypropylene
Prior art date
Application number
ZA915728A
Inventor
Detlef Erich Schuhmann
Erich Schuhmann Detlef
Herbert Peiffer
Peiffer Herbert
Ursula Murschall
Murschall Ursula
Gunter Schloegl
Schloegl Gunter
Original Assignee
Hoechst Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6410779&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA915728(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of ZA915728B publication Critical patent/ZA915728B/en

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
    • B32B27/18—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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
    • B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
    • 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
    • B32B2553/00—Packaging equipment or accessories not otherwise provided for
ZA915728A 1990-07-21 1991-07-22 Biaxially oriented sealable polypropylene film having improved barrier properties ZA915728B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4023272A DE4023272A1 (en) 1990-07-21 1990-07-21 BIAXIAL ORIENTED SEALABLE POLYPORPYLENE FILM WITH IMPROVED BARRIER PROPERTIES

Publications (1)

Publication Number Publication Date
ZA915728B true ZA915728B (en) 1992-04-29

Family

ID=6410779

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA915728A ZA915728B (en) 1990-07-21 1991-07-22 Biaxially oriented sealable polypropylene film having improved barrier properties

Country Status (8)

Country Link
EP (1) EP0468333B1 (en)
CA (1) CA2047469C (en)
DE (2) DE4023272A1 (en)
ES (1) ES2098283T3 (en)
FI (1) FI106008B (en)
GR (1) GR3022444T3 (en)
MX (1) MX9100311A (en)
ZA (1) ZA915728B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5766532A (en) * 1994-05-16 1998-06-16 Hoechst Ag Process for the production of a biaxially highly oriented polypropylene film

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4307442A1 (en) * 1993-03-10 1994-09-15 Wolff Walsrode Ag Multi-layer, stretched, heat-sealable polypropylene film
DE4307441A1 (en) * 1993-03-10 1994-09-15 Wolff Walsrode Ag Multi-layer, stretched, heat-sealable, highly sliding polypropylene film with improved barrier properties
DE4307440A1 (en) * 1993-03-10 1994-09-15 Wolff Walsrode Ag Multilayer, stretched, heat-sealable polypropylene film
DE4308854A1 (en) * 1993-03-19 1994-09-22 Hoechst Ag Sealable oriented polyolefin multilayer film, process for its production and its use
DE4310684A1 (en) * 1993-04-01 1994-10-06 Hoechst Ag Sealable, oriented polyolefin multilayer film, process for its production and its use
DE4337251A1 (en) * 1993-09-27 1995-03-30 Hoechst Ag Biaxially oriented polypropylene film with improved properties in terms of mechanics and barrier
DE4334334A1 (en) * 1993-10-08 1995-04-13 Wolff Walsrode Ag Multilayered, stretched, heat-sealable polypropylene film
EP0669348B1 (en) * 1994-02-25 1998-06-10 Sumitomo Chemical Company Limited Propylene random copolymer and film laminate thereof
DE19536043A1 (en) * 1995-09-28 1997-04-10 Hoechst Ag Polyolefin film with cycloolefin polymer, process for its production and its use
US6210764B1 (en) 1996-08-29 2001-04-03 Cryovac, Inc. Film with substrate layer containing antiblocking agent
DE19848683B4 (en) * 1998-10-22 2004-05-06 Basf Ag Laminated sheet
EP1634699A1 (en) 2004-09-10 2006-03-15 Syrom 90 S.P.A. Multilayer metallized film and production method
AR053429A1 (en) * 2004-12-27 2007-05-09 Brasileira De Filmes Flexiveis HOT SEALED WELDED POLYPROPYLENE SHEET, USE OF THE REFERRED SHEET AND PREPARED ARTICLE FROM SUCH SHEET
ITMI20112205A1 (en) 2011-12-02 2013-06-03 Irplast Spa PLASTIC FILMS
ITMI20112204A1 (en) 2011-12-02 2013-06-03 Irplast Spa PLASTIC FILMS

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3438736A1 (en) * 1984-10-23 1986-04-24 Hoechst Ag, 6230 Frankfurt COEXTRUDED MULTILAYER AND BIAXIAL STRETCHED, OPAQUE POLYOLEFIN FILM WITH IMPROVED MECHANICAL PROPERTIES, METHOD FOR THEIR PRODUCTION AND THEIR USE
DE3535472A1 (en) * 1985-10-04 1987-04-09 Hoechst Ag TRANSPARENT POLYPROPYLENE FILM FOR THE SWEET WRAP
GB8613161D0 (en) * 1986-05-30 1986-07-02 Exxon Chemical Patents Inc Sealable films
DE3814942A1 (en) * 1988-05-03 1989-11-16 Hoechst Ag HOT-SEALANT SHRINK FILM BASED ON POLYPROPYLENE, METHOD FOR THE PRODUCTION THEREOF, AND ITS USE IN FOAM PACKAGING LABELS
DE3821581A1 (en) * 1988-06-25 1989-12-28 Hoechst Ag TRANSPARENT SHRINK FILM BASED ON POLYPROPYLENE, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE FOR SHRINK FETTIQUETTES
JPH0645227B2 (en) * 1989-09-25 1994-06-15 チッソ株式会社 Laminated stretch molded article having opaque and pearly luster and method for producing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5766532A (en) * 1994-05-16 1998-06-16 Hoechst Ag Process for the production of a biaxially highly oriented polypropylene film

Also Published As

Publication number Publication date
CA2047469C (en) 2002-02-19
FI913497A (en) 1992-01-22
FI913497A0 (en) 1991-07-19
CA2047469A1 (en) 1992-01-22
GR3022444T3 (en) 1997-04-30
FI106008B (en) 2000-11-15
DE59108429D1 (en) 1997-02-06
EP0468333B1 (en) 1996-12-27
EP0468333A2 (en) 1992-01-29
DE4023272A1 (en) 1992-01-23
EP0468333A3 (en) 1992-03-04
MX9100311A (en) 1992-02-28
ES2098283T3 (en) 1997-05-01

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