GB2099755B - Thermoplastic film having improved handling and sealing characteristics and receptacle formed therefrom - Google Patents

Thermoplastic film having improved handling and sealing characteristics and receptacle formed therefrom

Info

Publication number
GB2099755B
GB2099755B GB8215568A GB8215568A GB2099755B GB 2099755 B GB2099755 B GB 2099755B GB 8215568 A GB8215568 A GB 8215568A GB 8215568 A GB8215568 A GB 8215568A GB 2099755 B GB2099755 B GB 2099755B
Authority
GB
United Kingdom
Prior art keywords
thermoplastic film
formed therefrom
sealing characteristics
improved handling
receptacle formed
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.)
Expired
Application number
GB8215568A
Other languages
English (en)
Other versions
GB2099755A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WR Grace and Co
Original Assignee
WR Grace and Co
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
Application filed by WR Grace and Co filed Critical WR Grace and Co
Publication of GB2099755A publication Critical patent/GB2099755A/en
Application granted granted Critical
Publication of GB2099755B publication Critical patent/GB2099755B/en
Expired legal-status Critical Current

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
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (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
    • B32B27/30—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
    • B32B1/00—Layered products having a non-planar shape
    • B32B1/08—Tubular products
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/72—Cured, e.g. vulcanised, cross-linked
    • 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
    • B32B2307/732—Dimensional properties
    • B32B2307/734—Dimensional stability
    • B32B2307/736—Shrinkable
    • 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
    • B32B2331/00—Polyvinylesters
    • B32B2331/04—Polymers of vinyl acetate, e.g. PVA
    • 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
    • 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
    • B32B2597/00—Tubular articles, e.g. hoses, pipes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/91—Product with molecular orientation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1328—Shrinkable or shrunk [e.g., due to heat, solvent, volatile agent, restraint removal, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31913—Monoolefin polymer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31913—Monoolefin polymer
    • Y10T428/3192—Next to vinyl or vinylidene chloride polymer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31928—Ester, halide or nitrile of addition polymer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
GB8215568A 1981-05-29 1982-05-27 Thermoplastic film having improved handling and sealing characteristics and receptacle formed therefrom Expired GB2099755B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/268,207 US4352844A (en) 1981-05-29 1981-05-29 Thermoplastic film having improved handling and sealing characteristics and receptacle formed therefrom

Publications (2)

Publication Number Publication Date
GB2099755A GB2099755A (en) 1982-12-15
GB2099755B true GB2099755B (en) 1984-10-24

Family

ID=23021945

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8215568A Expired GB2099755B (en) 1981-05-29 1982-05-27 Thermoplastic film having improved handling and sealing characteristics and receptacle formed therefrom

Country Status (12)

Country Link
US (1) US4352844A (en:Method)
JP (1) JPS57199655A (en:Method)
AU (1) AU551694B2 (en:Method)
BR (1) BR8201038A (en:Method)
CA (1) CA1172012A (en:Method)
DE (1) DE3217551A1 (en:Method)
FR (1) FR2506667B1 (en:Method)
GB (1) GB2099755B (en:Method)
MX (1) MX161417A (en:Method)
NL (1) NL8200619A (en:Method)
NZ (1) NZ199621A (en:Method)
ZA (1) ZA82793B (en:Method)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4516267A (en) * 1982-03-15 1985-05-07 W. R. Grace & Co., Cryovac Div. Hang bag
US4579696A (en) * 1982-09-27 1986-04-01 E. I. Dupont De Nemours And Company Process for making coextruded elastomeric films
JPS59101359A (ja) * 1982-12-02 1984-06-11 日本発条株式会社 Ｆｒｐ板およびその製造方法
US4501780A (en) * 1982-12-15 1985-02-26 W. R. Grace & Co., Cryovac Div. Tubular film having sealing layer of propylene ethylene random copolymer
US5209972A (en) * 1983-05-04 1993-05-11 Super Scott S Multiple layer packaging film
US4617241A (en) * 1984-01-23 1986-10-14 W. R. Grace & Co., Cryovac Div. Linear polyethylene stretch/shrink films
US4997690A (en) * 1984-12-03 1991-03-05 Viskase Corporation Irradiated multilayer film for primal meat packaging
US7052753B1 (en) 1985-05-16 2006-05-30 Pechiney Emballage Flexible Europe Multiple layer polymeric films and process for making them
US4894107A (en) 1985-05-16 1990-01-16 American National Can Company Process for making multiple layer polymeric films
US4714638A (en) 1985-06-14 1987-12-22 Viskase Corporation Irradiated multilayer film for primal meat packaging
GB8518564D0 (en) * 1985-07-23 1985-08-29 Drg Uk Ltd Multi-layer packaging material
US4660763A (en) * 1985-09-11 1987-04-28 S. C. Johnson & Son, Inc. Vapor-dispensing device
US4853265A (en) * 1987-09-02 1989-08-01 W. R. Grace & Co.-Conn. Eva based multi-layer, heat-shrinkable, packaging film and bags made therefrom
US4939076A (en) * 1988-03-15 1990-07-03 W. R. Grace & Co.-Conn. Barrier stretch film
US4977022A (en) * 1988-03-15 1990-12-11 W. R. Grace & Co.-Conn. Barrier stretch film
US5635261A (en) * 1989-10-10 1997-06-03 Viskase Corporation Thermoplastic film incorporating high melt index resins
CA2086493A1 (en) * 1992-07-02 1994-01-03 Robert Babrowicz Multilayer shrinkable film with improved shrink, optics and sealability
CA2099440C (en) * 1992-07-02 2005-12-13 Robert Babrowicz Multilayer shrinkable film with improved shrink, optics and sealability
CA2082008C (en) * 1992-11-03 2002-12-10 John Cresswell Wood Improved print lock process
US5382470A (en) 1993-04-09 1995-01-17 Viskase Corporation EVOH oxygen barrier stretched multilayer film
DE69419097T2 (de) 1993-04-09 1999-11-11 Viskase Corp., Chicago Käseverpackung,-folie,-beutel und verfahren zum verpacken von co2 atmenden nahrungsmitteln
EP0679487A1 (en) * 1994-04-28 1995-11-02 W.R. Grace & Co.-Conn. Multi-layer polyolefin film containing recycle polymer from cross-linked films
US6430870B1 (en) * 1994-05-03 2002-08-13 Southpac Trust International, Inc. Floral sleeve having a shrinkable element
US5773106A (en) * 1994-10-21 1998-06-30 The Dow Chemical Company Polyolefin compositions exhibiting heat resistivity, low hexane-extractives and controlled modulus
IT1276141B1 (it) 1995-11-16 1997-10-27 Soten Srl Film termoretraibile poliolefinico a piu' strati coestrusi avente una migliorata resistenza della saldatura
BR9712454A (pt) 1996-10-29 1999-10-19 Cryovac Inc Bolsa de almofada selável por rf
AU770179B2 (en) * 1998-12-03 2004-02-12 Flexopack Sa Multilayer heat shrinkable film
US6153563A (en) * 1999-11-10 2000-11-28 Lithchem International Pouched ingredients for preparing greases
US8405193B2 (en) * 2004-04-02 2013-03-26 General Electric Company Organic electronic packages having hermetically sealed edges and methods of manufacturing such packages
US8916647B2 (en) 2008-07-15 2014-12-23 Dow Global Technologies Llc Crosslinked films and articles prepared from the same

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3558330A (en) * 1967-09-21 1971-01-26 Dow Chemical Co Packaging film and package
US3754063A (en) * 1970-03-23 1973-08-21 Grace W R & Co Method for casting an inflated tubular polyethylene film with mixed polymer of polypropylene-polybutene-1
US3932693A (en) * 1970-10-19 1976-01-13 Continental Can Company, Inc. Laminated packaging film having low vapor and gas permeability
US3741253A (en) * 1971-03-30 1973-06-26 Grace W R & Co Laminates of ethylene vinyl acetate polymers and polymers of vinylidene chloride
CA982923A (en) * 1972-09-11 1976-02-03 Union Carbide Corporation Film and bag for packaging primal meat cuts
ES448091A1 (es) * 1975-05-22 1977-07-01 Grace W R & Co Procedimiento para mejorar la resistencia a la deslaminacionde un laminado de peliculas estirado.
US4064296A (en) * 1975-10-02 1977-12-20 W. R. Grace & Co. Heat shrinkable multi-layer film of hydrolyzed ethylene vinyl acetate and a cross-linked olefin polymer
CA1078247A (en) * 1976-10-08 1980-05-27 Henry B. Thompson Heat shrinkable laminate
US4178401A (en) * 1978-01-09 1979-12-11 W. R. Grace & Co. Packaging film comprising a blended self-welding layer
US4240993A (en) * 1978-08-07 1980-12-23 W. R. Grace & Co. Multi-layer film containing a layer of crosslinked ethylene/vinyl alcohol copolymer
US4247584A (en) * 1979-05-22 1981-01-27 American Can Company Composition comprising a blend of EVA polymers having differing VA contents; films and laminates made therefrom by extrusion; and heat-sealed food bags made from the laminates

Also Published As

Publication number Publication date
US4352844A (en) 1982-10-05
NZ199621A (en) 1985-08-16
JPH0249223B2 (en:Method) 1990-10-29
CA1172012A (en) 1984-08-07
MX161417A (es) 1990-09-24
DE3217551A1 (de) 1983-01-27
ZA82793B (en) 1982-12-29
FR2506667B1 (fr) 1985-11-15
BR8201038A (pt) 1983-01-04
AU551694B2 (en) 1986-05-08
JPS57199655A (en) 1982-12-07
FR2506667A1 (fr) 1982-12-03
AU8322282A (en) 1982-12-02
NL8200619A (nl) 1982-12-16
GB2099755A (en) 1982-12-15

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee