GB1440317A - Heat-sealable plastics films - Google Patents

Heat-sealable plastics films

Info

Publication number
GB1440317A
GB1440317A GB4769772A GB4769772A GB1440317A GB 1440317 A GB1440317 A GB 1440317A GB 4769772 A GB4769772 A GB 4769772A GB 4769772 A GB4769772 A GB 4769772A GB 1440317 A GB1440317 A GB 1440317A
Authority
GB
United Kingdom
Prior art keywords
heat
film
polypropylene
sealable
oct
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
GB4769772A
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.)
British Cellophane Ltd
Original Assignee
British Cellophane Ltd
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 British Cellophane Ltd filed Critical British Cellophane Ltd
Priority to GB4769772A priority Critical patent/GB1440317A/en
Priority to CA183,234A priority patent/CA1009098A/en
Priority to NLAANVRAGE7314157,A priority patent/NL177672B/en
Priority to AU61391/73A priority patent/AU481241B2/en
Priority to LU68631A priority patent/LU68631A1/xx
Priority to SE7314055A priority patent/SE408867B/en
Priority to DE2351923A priority patent/DE2351923B2/en
Priority to IT53159/73A priority patent/IT997766B/en
Priority to BE136756A priority patent/BE806151A/en
Priority to AT879673A priority patent/AT331525B/en
Priority to JP11625773A priority patent/JPS5719151B2/ja
Priority to FR7336994A priority patent/FR2202916B1/fr
Publication of GB1440317A publication Critical patent/GB1440317A/en
Priority to US05/876,227 priority patent/US4198256A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/052—Forming heat-sealable coatings
    • 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
    • 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
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
    • 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
    • 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
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/0427—Coating with only one layer of a composition containing a polymer binder
    • 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
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/04—Homopolymers or copolymers of ethene
    • C09J123/08—Copolymers of ethene
    • C09J123/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C09J123/0815—Copolymers of ethene with aliphatic 1-olefins
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • B32B2038/0028—Stretching, elongating
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B32B2250/242—All polymers belonging to those covered by group B32B27/32
    • 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
    • B32B2272/00—Resin or rubber layer comprising scrap, waste or recycling material
    • 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
    • B32B2307/50—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
    • B32B2323/10—Polypropylene
    • 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
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene
    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers

Abstract

1440317 Plastics laminates BRITISH CELLOPHANE Ltd 17 Oct 1973 [17 Oct 1972] 47697/72 Headings B5N and B5B A heat-sealable orientated plastics film comprises an orientated polypropylene film having on at least one surface a heat-sealable layer comprising a predominantly linear random copolymer of ethylene and up to 12 mole per cent of at least one further α-olefine having at least three carbon atoms per molecule, e.g. propylene or butene-1. The polypropylene may be admixed with a small proportion of a compatible polyolefine. The heat-sealable layer may be applied as a preformed film and bonded to the polypropylene film by an adhesive or by stretching the preformed film in contact with the polypropylene film. Alternatively, the product may be formed by co-extruding the films through a slot or annular orifice followed by quenching and stretching under stretch orientatable conditions.
GB4769772A 1972-10-17 1972-10-17 Heat-sealable plastics films Expired GB1440317A (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
GB4769772A GB1440317A (en) 1972-10-17 1972-10-17 Heat-sealable plastics films
CA183,234A CA1009098A (en) 1972-10-17 1973-10-12 Heat-sealable polypropylene films
NLAANVRAGE7314157,A NL177672B (en) 1972-10-17 1973-10-15 HEAT-WELDABLE FOCUSED PLASTIC FILM AND A METHOD OF MANUFACTURE THEREOF.
AU61391/73A AU481241B2 (en) 1972-10-17 1973-10-15 Heat-sealable polypropylene films
IT53159/73A IT997766B (en) 1972-10-17 1973-10-16 IMPROVEMENT IN HOT SEALABLE POLYPOPYLENE FILMS, IN PARTICULAR USEFUL AS PACKAGING MATERIALS
SE7314055A SE408867B (en) 1972-10-17 1973-10-16 ORIENTATED POLYPROPENE FILM PROVIDED WITH A HEAT SEAL SEALABLE LAYER OF AN ETHEN-ALPHA-OLEPHINE COPY AND PROCEDURE FOR THE PRODUCTION OF THE HEAT SEAL SEALABLE FILM
DE2351923A DE2351923B2 (en) 1972-10-17 1973-10-16 Heat sealable, oriented plastic film
LU68631A LU68631A1 (en) 1972-10-17 1973-10-16
BE136756A BE806151A (en) 1972-10-17 1973-10-16 POLYPROPYLENE FILMS AND THEIR PREPARATION
AT879673A AT331525B (en) 1972-10-17 1973-10-16 HEAT SEALABLE, ORIENTED PLASTIC FILM AND METHOD FOR ITS MANUFACTURING
JP11625773A JPS5719151B2 (en) 1972-10-17 1973-10-16
FR7336994A FR2202916B1 (en) 1972-10-17 1973-10-17
US05/876,227 US4198256A (en) 1972-10-17 1978-02-09 Method of making a heat-sealable oriented polypropylene film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4769772A GB1440317A (en) 1972-10-17 1972-10-17 Heat-sealable plastics films

Publications (1)

Publication Number Publication Date
GB1440317A true GB1440317A (en) 1976-06-23

Family

ID=10445950

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4769772A Expired GB1440317A (en) 1972-10-17 1972-10-17 Heat-sealable plastics films

Country Status (11)

Country Link
JP (1) JPS5719151B2 (en)
AT (1) AT331525B (en)
BE (1) BE806151A (en)
CA (1) CA1009098A (en)
DE (1) DE2351923B2 (en)
FR (1) FR2202916B1 (en)
GB (1) GB1440317A (en)
IT (1) IT997766B (en)
LU (1) LU68631A1 (en)
NL (1) NL177672B (en)
SE (1) SE408867B (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0001490A1 (en) * 1977-10-03 1979-04-18 Mobil Oil Corporation Packaging film with improved heat sealability
EP0001898A1 (en) * 1977-11-04 1979-05-16 Mobil Oil Corporation A method for producing a heat sealable, biaxially orientated, thermoplastic film laminate
EP0002606A1 (en) * 1977-12-14 1979-06-27 Mobil Oil Corporation Oriented polypropylene with linear low density polyethylene copolymer coating
US4163080A (en) * 1977-04-13 1979-07-31 Societa' Italiana Resine S.I.R. S.P.A. Flexible double-layer polypropylene laminates for the packaging of food products
US4235365A (en) 1977-04-15 1980-11-25 Toray Industries, Inc. Three-layered polypropylene films
EP0023389A1 (en) * 1979-07-27 1981-02-04 Imperial Chemical Industries Plc Metallized films and method of producing them
US4294882A (en) 1978-09-19 1981-10-13 British Cellophane Limited Heat-sealable antistatic polypropylene films
US4303709A (en) 1977-12-27 1981-12-01 Mobil Oil Corporation Coextruded laminar thermoplastic bags
DE3041286C1 (en) * 1980-11-03 1982-07-22 Hoechst Ag, 6000 Frankfurt Sealable, biaxially stretched polypropylene film with high scratch resistance and process for its production
US4384024A (en) * 1981-03-19 1983-05-17 Imperial Chemical Industries Limited Composite heat-sealable films
US4505969A (en) * 1977-12-14 1985-03-19 Mobil Oil Corporation Oriented polypropylene with linear low density poly-ethylene copolymer coating
EP0247897A1 (en) * 1986-05-30 1987-12-02 Exxon Chemical Patents Inc. Sealable films
US5698279A (en) * 1992-09-23 1997-12-16 Viskase Corporation Heat shrinkable nylon food casing having a functionalized ethylenic polymer core layer
WO2012050661A1 (en) 2010-10-15 2012-04-19 Exxonmobil Chemical Patents Inc. Methods for forming blends of polyolefin and resin modifier

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5268279A (en) * 1975-12-04 1977-06-06 Toyobo Co Ltd Composite films of polypropylene withexcellent processability
JPS52125586A (en) * 1976-02-28 1977-10-21 Gunze Kk Bi axial oriented composite film having good low temperature heat seal property
JPS5837907B2 (en) * 1976-02-28 1983-08-19 グンゼ株式会社 Easy heat-sealable biaxially stretched composite film
JPS52109580A (en) * 1976-03-10 1977-09-13 Gunze Kk Polypropylene bi axial oriented composite films having good low temperature heat seal property
JPS52135386A (en) * 1976-05-08 1977-11-12 Gunze Kk Laminated film with good low temperature heat seal property
JPS5312971A (en) * 1976-07-22 1978-02-06 Honshu Paper Co Ltd Polypropylene composite film having antistatic and low temperature heat seal property and its production
JPS5321688A (en) * 1976-08-10 1978-02-28 Toray Ind Inc Automatic packaging laminate film
JPS5345389A (en) * 1976-10-05 1978-04-24 Gunze Kk Production of polypropylene bi axial oriented multiilayer film protected printed side
JPS5386780A (en) * 1977-01-12 1978-07-31 Gunze Kk Excellent lowwtemperature heattsealable twooaxis oriented composite film
GB1566077A (en) * 1977-05-06 1980-04-30 British Cellophane Ltd Heat-sealable polypropylene film
JPS5512008A (en) * 1978-06-29 1980-01-28 Mitsui Petrochemical Ind Packing laminate sack
GB2029317A (en) * 1978-09-06 1980-03-19 British Cellophane Ltd Heat-sealable polypropylene films
JPS5755078Y2 (en) * 1978-12-26 1982-11-29
JPS5672953A (en) * 1979-11-19 1981-06-17 Mitsubishi Petrochemical Co Composite film having excellent hot tacking property
US4390385A (en) * 1980-05-23 1983-06-28 W. R. Grace & Co., Cryovac Div. Heat sealable, multi-ply polypropylene film
JPS57123053A (en) * 1981-01-23 1982-07-31 Mitsui Petrochemical Ind Composite film
JPS57146653A (en) * 1981-03-05 1982-09-10 Gunze Kk Film for printed lamination
JPS57157349U (en) * 1981-03-30 1982-10-02
AT383542B (en) * 1985-01-25 1987-07-10 Harald Dipl Ing Schobermayr STIFF MOLDED BODY COMPRISED ORIENTED PLASTIC CARRIER AND METHOD FOR THE PRODUCTION THEREOF
GB8808890D0 (en) * 1988-04-15 1988-05-18 Grace W R & Co Container closure caps & compositions for forming gaskets for them
US5077121A (en) * 1988-10-27 1991-12-31 Shell Oil Company High strength high modulus polyolefin composite with improved solid state drawability
EP0435789A3 (en) * 1989-12-28 1992-08-12 American National Can Company Sealant blends for flexible packaging
JPH09155823A (en) * 1995-12-04 1997-06-17 Tetra Co Ltd Concrete vibrator

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB941898A (en) * 1900-01-01
BE625957A (en) * 1961-10-02
GB1044068A (en) * 1962-10-24 1966-09-28 Union Carbide Corp Production of coated biaxially oriented linear highly crystalline polyolefin films
US3285766A (en) * 1963-03-28 1966-11-15 Avisun Corp Biaxially oriented ethylene polymer coated polypropylene sheet and method for makingsame
GB1145199A (en) * 1966-06-13 1969-03-12 Nat Distillers Chem Corp Heat-sealable oriented polypropylene film laminate
CA849081A (en) * 1967-03-02 1970-08-11 Du Pont Of Canada Limited PRODUCTION OF ETHYLENE/.alpha.-OLEFIN COPOLYMERS OF IMPROVED PHYSICAL PROPERTIES
CH512533A (en) * 1968-04-03 1971-09-15 Ici Ltd Biaxially oriented film and process for its production and its use for the packaging of confectionery
NL7101300A (en) * 1970-02-03 1971-08-05
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

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4163080A (en) * 1977-04-13 1979-07-31 Societa' Italiana Resine S.I.R. S.P.A. Flexible double-layer polypropylene laminates for the packaging of food products
US4235365A (en) 1977-04-15 1980-11-25 Toray Industries, Inc. Three-layered polypropylene films
EP0001490A1 (en) * 1977-10-03 1979-04-18 Mobil Oil Corporation Packaging film with improved heat sealability
EP0001898A1 (en) * 1977-11-04 1979-05-16 Mobil Oil Corporation A method for producing a heat sealable, biaxially orientated, thermoplastic film laminate
EP0002606A1 (en) * 1977-12-14 1979-06-27 Mobil Oil Corporation Oriented polypropylene with linear low density polyethylene copolymer coating
US4505969A (en) * 1977-12-14 1985-03-19 Mobil Oil Corporation Oriented polypropylene with linear low density poly-ethylene copolymer coating
US4303709A (en) 1977-12-27 1981-12-01 Mobil Oil Corporation Coextruded laminar thermoplastic bags
USRE31269E (en) 1978-09-19 1983-06-07 British Cellophane Limited Heat-sealable antistatic polypropylene films
US4294882A (en) 1978-09-19 1981-10-13 British Cellophane Limited Heat-sealable antistatic polypropylene films
EP0023389A1 (en) * 1979-07-27 1981-02-04 Imperial Chemical Industries Plc Metallized films and method of producing them
US4357383A (en) 1979-07-27 1982-11-02 Imperial Chemical Industries Limited Metallized films
DE3041286C1 (en) * 1980-11-03 1982-07-22 Hoechst Ag, 6000 Frankfurt Sealable, biaxially stretched polypropylene film with high scratch resistance and process for its production
US4460631A (en) * 1980-11-03 1984-07-17 Hoechst Aktiengesellschaft Sealable, biaxially stretched polypropylene film having high scratch resistance, and process for its manufacture
US4384024A (en) * 1981-03-19 1983-05-17 Imperial Chemical Industries Limited Composite heat-sealable films
EP0247897A1 (en) * 1986-05-30 1987-12-02 Exxon Chemical Patents Inc. Sealable films
WO1987007214A1 (en) * 1986-05-30 1987-12-03 Exxon Chemical Patents, Inc. Sealable films
US5698279A (en) * 1992-09-23 1997-12-16 Viskase Corporation Heat shrinkable nylon food casing having a functionalized ethylenic polymer core layer
WO2012050661A1 (en) 2010-10-15 2012-04-19 Exxonmobil Chemical Patents Inc. Methods for forming blends of polyolefin and resin modifier
US8853327B2 (en) 2010-10-15 2014-10-07 Exxonmobil Chemical Patents Inc. Methods and apparatus for forming blends of polyolefin and resin modifier

Also Published As

Publication number Publication date
DE2351923A1 (en) 1974-04-18
BE806151A (en) 1974-04-16
FR2202916B1 (en) 1976-06-18
SE408867B (en) 1979-07-16
ATA879673A (en) 1975-11-15
JPS49101420A (en) 1974-09-25
NL177672B (en) 1974-04-19
NL7314157A (en) 1974-04-19
DE2351923B2 (en) 1981-08-06
FR2202916A1 (en) 1974-05-10
IT997766B (en) 1975-12-30
JPS5719151B2 (en) 1982-04-21
CA1009098A (en) 1977-04-26
AU6139173A (en) 1975-04-17
LU68631A1 (en) 1973-12-27
AT331525B (en) 1976-08-25

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PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921017