CA2257724A1 - Multilayer polyamide film structures - Google Patents

Multilayer polyamide film structures

Info

Publication number
CA2257724A1
CA2257724A1 CA002257724A CA2257724A CA2257724A1 CA 2257724 A1 CA2257724 A1 CA 2257724A1 CA 002257724 A CA002257724 A CA 002257724A CA 2257724 A CA2257724 A CA 2257724A CA 2257724 A1 CA2257724 A1 CA 2257724A1
Authority
CA
Canada
Prior art keywords
polyamide film
film structures
copolymer
polyolefin
polyamide
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.)
Granted
Application number
CA002257724A
Other languages
French (fr)
Other versions
CA2257724C (en
Inventor
Mingliang Lawrence Tsai
Carl Elliot Altman
Alfieri Degrassi
John Mennig
Anthony Francis Messa
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.)
Pliant LLC
Uniplast Industries Inc
Pliant Packaging of Canada LLC
Original Assignee
Individual
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
Priority claimed from US08/865,945 external-priority patent/US20030129428A1/en
Application filed by Individual filed Critical Individual
Publication of CA2257724A1 publication Critical patent/CA2257724A1/en
Application granted granted Critical
Publication of CA2257724C publication Critical patent/CA2257724C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B32B27/32—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
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides

Landscapes

  • Laminated Bodies (AREA)

Abstract

Coextruded films having a one inner core layer of polyamide homopolymer or copolymer, and an outer layer on each side of the polyamide core of a blend of a polyolefin homopolymer or copolymer and an adhesive composition which comprises a polyolefin having at least one functional moiety of an unsaturated carboxylic acid and/or anhydride thereof. The coextruded films are typically prepared by a blown film technique. Such structures are suitable for use as release and barrier films for sheet molding and other reinforced plastic applications.
CA002257724A 1996-06-10 1997-06-10 Multilayer polyamide film structures Expired - Fee Related CA2257724C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US1958496P 1996-06-10 1996-06-10
US60/019,584 1996-06-10
US08/865,945 1997-05-30
US08/865,945 US20030129428A1 (en) 1996-06-10 1997-05-30 Multilayer polyamide film structures
PCT/US1997/010161 WO1997047468A1 (en) 1996-06-10 1997-06-10 Multilayer polyamide film structures

Publications (2)

Publication Number Publication Date
CA2257724A1 true CA2257724A1 (en) 1997-12-18
CA2257724C CA2257724C (en) 2006-10-24

Family

ID=37388413

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002257724A Expired - Fee Related CA2257724C (en) 1996-06-10 1997-06-10 Multilayer polyamide film structures

Country Status (1)

Country Link
CA (1) CA2257724C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112778919A (en) * 2020-12-31 2021-05-11 江阴升辉包装材料有限公司 Thermal bonding film for automotive interior and preparation process thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112778919A (en) * 2020-12-31 2021-05-11 江阴升辉包装材料有限公司 Thermal bonding film for automotive interior and preparation process thereof

Also Published As

Publication number Publication date
CA2257724C (en) 2006-10-24

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20140610