GB1233936A - - Google Patents

Info

Publication number
GB1233936A
GB1233936A GB1233936DA GB1233936A GB 1233936 A GB1233936 A GB 1233936A GB 1233936D A GB1233936D A GB 1233936DA GB 1233936 A GB1233936 A GB 1233936A
Authority
GB
United Kingdom
Prior art keywords
film
polyvinylidene chloride
vinyl acetate
chloride
ethylene
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
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 filed Critical
Publication of GB1233936A publication Critical patent/GB1233936A/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

Landscapes

  • Laminated Bodies (AREA)

Abstract

1,233,936. Laminated packaging film. OSCAR MAYER & CO. Inc. 23 July, 1968 [14 Aug., 1967], No. 35105/68. Heading B5N. [Also in Division B8] A laminated packaging film comprises an ethylene-vinyl acetate copolymer film containing 30-40 wt. per cent vinyl acetate adhered at one face at least to an oxygen-impermeable film of polyvinylidene chloride, e.g. an 85 wt. per cent vinylidene chloride-15 wt. per cent vinyl chloride copolymer. The other face may be bonded to a film of polyvinylidene chloride, polyethylene, chlorinated polyethylene, ethylene-vinyl acetate copolymer or polyvinyl chloride. The laminate may be made by extruding ethylene-vinyl acetate and polyvinylidene chloride films into a water bath at 35- 100‹ F., whereby the polyvinylidene chloride film is rendered amorphous to assist the adhesion of the films between pressure rollers. The laminate may be heated to 150‹ F. or stored at ambient temperature to crystallize the polyvinylidene chloride film, either before or after its formation into a package.
GB1233936D 1967-08-14 1968-07-23 Expired GB1233936A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66051267A 1967-08-14 1967-08-14

Publications (1)

Publication Number Publication Date
GB1233936A true GB1233936A (en) 1971-06-03

Family

ID=24649829

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1233936D Expired GB1233936A (en) 1967-08-14 1968-07-23

Country Status (3)

Country Link
CA (1) CA923808A (en)
DK (1) DK134056B (en)
GB (1) GB1233936A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2262708A1 (en) * 1972-12-21 1974-07-04 Dow Chemical Co Biaxially oriented plastics laminate - of vinylidene /vinyl chloride copolymer and ethylene-unsatd ester copolymer
USRE30098E (en) 1969-08-08 1979-09-18 American Can Company Packaging articles in containers having self-adhering inner layers
US4174038A (en) * 1977-03-07 1979-11-13 Ludlow Corporation Package for photographic film and material and powders for making same
US4263080A (en) * 1977-03-07 1981-04-21 Ludlow Corporation Method of making package for photographic film

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE30098E (en) 1969-08-08 1979-09-18 American Can Company Packaging articles in containers having self-adhering inner layers
DE2262708A1 (en) * 1972-12-21 1974-07-04 Dow Chemical Co Biaxially oriented plastics laminate - of vinylidene /vinyl chloride copolymer and ethylene-unsatd ester copolymer
US4174038A (en) * 1977-03-07 1979-11-13 Ludlow Corporation Package for photographic film and material and powders for making same
US4263080A (en) * 1977-03-07 1981-04-21 Ludlow Corporation Method of making package for photographic film

Also Published As

Publication number Publication date
CA923808A (en) 1973-04-03
DK134056C (en) 1977-02-07
DK134056B (en) 1976-09-06

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees