ES2083736T3 - Estructuras de peliculas poliolefinicas multicapas termosellables. - Google Patents

Estructuras de peliculas poliolefinicas multicapas termosellables.

Info

Publication number
ES2083736T3
ES2083736T3 ES92904532T ES92904532T ES2083736T3 ES 2083736 T3 ES2083736 T3 ES 2083736T3 ES 92904532 T ES92904532 T ES 92904532T ES 92904532 T ES92904532 T ES 92904532T ES 2083736 T3 ES2083736 T3 ES 2083736T3
Authority
ES
Spain
Prior art keywords
sheet
structures
polyethylene
sealable multilayer
weight
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 - Lifetime
Application number
ES92904532T
Other languages
English (en)
Inventor
Pak-Wing S Chum
Kaelyn C Koch
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.)
Dow Chemical Co
Original Assignee
Dow Chemical 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24564988&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2083736(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of ES2083736T3 publication Critical patent/ES2083736T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B32B27/06—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
    • 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
    • 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
    • B32B2307/70—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
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • 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
    • B32B2439/00—Containers; Receptacles
    • B32B2439/70—Food packaging
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/24992—Density or compression of components
    • 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
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2813—Heat or solvent activated or sealable
    • Y10T428/2817—Heat sealable
    • Y10T428/2826—Synthetic resin or 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]
    • Y10T428/31725—Of polyamide
    • Y10T428/31739—Nylon type
    • Y10T428/31743—Next to addition polymer from unsaturated monomer[s]
    • Y10T428/31746—Polymer of monoethylenically unsaturated hydrocarbon
    • 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

Landscapes

  • Laminated Bodies (AREA)

Abstract

UNA ESTRUCTURA DE PELICULA MULTILAMINADA TERMOPLASTICA COMPRENDE AL MENOS UNA LAMINA EXTERNA SELLABLE TERMICAMENTE (A) Y AL MENOS UNA LAMINA NUCLEO (B).LA LAMINA (A) TIENE UNA MEJORADA CAPACIDAD DE SELLADO TERMICO TRAS LA IRRADIACION (EJ.RAYO DE ELECTRON). LA LAMINA (B) TIENE UNA CONTRACCION MEJORADA TRAS LA IRRADIACION. LA LAMINA (A) ES UN POLIETILENO LINEAL CON UN INDICE DE FUSION DE 2 A 20 G/10 MINUTOS, UNA DENSIDAD DE 0.88 A 0.92 G/ CM3,UNA DISTRIBUCION DEL PESO MOLECULAR (I10/I2) DE 5 A 8, UNA FRACCION DEL POLIETILENO TIENE UN GRADO DE RAMIFICACION MENOR O IGUAL QUE 2 METILOS/1000 CARBUROS DE NO MAS DE UN15% EN PESO Y OTRA FRACCION DEL POLIETILENO TIENE UN GRADO DE RAMIFICACION MAYOR O IGUAL A 25 METILOS/1000 CARBURO DE NO MAS DE UN 25% DEL PESO DEL POLIMERO. LA LAMINA (B) ES UN POLIETILENO LINEAL QUE TIENE UN INDICE DE FUSION DE 0.05 A 5 G/10 MINUTOS, UNA DENSIDAD DE 0.88 A 0.94G/CM3 Y UNA DISTRIBUCION DEL PEDSO MOLECULAR(I10/I2) DE 8 A 30.
ES92904532T 1991-01-10 1992-01-07 Estructuras de peliculas poliolefinicas multicapas termosellables. Expired - Lifetime ES2083736T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/639,648 US5089321A (en) 1991-01-10 1991-01-10 Multilayer polyolefinic film structures having improved heat seal characteristics

Publications (1)

Publication Number Publication Date
ES2083736T3 true ES2083736T3 (es) 1996-04-16

Family

ID=24564988

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92904532T Expired - Lifetime ES2083736T3 (es) 1991-01-10 1992-01-07 Estructuras de peliculas poliolefinicas multicapas termosellables.

Country Status (9)

Country Link
US (1) US5089321A (es)
EP (1) EP0566679B1 (es)
AU (1) AU667802B2 (es)
CA (1) CA2100360A1 (es)
DE (1) DE69208646T2 (es)
ES (1) ES2083736T3 (es)
MX (1) MX9200093A (es)
NZ (1) NZ241252A (es)
WO (1) WO1992012010A1 (es)

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EP0566679B1 (en) 1996-02-28
AU1231692A (en) 1992-08-17
CA2100360A1 (en) 1992-07-11
US5089321A (en) 1992-02-18
EP0566679A1 (en) 1993-10-27
DE69208646T2 (de) 1996-08-22
NZ241252A (en) 1994-12-22
MX9200093A (es) 1992-07-01
WO1992012010A1 (en) 1992-07-23
DE69208646D1 (de) 1996-04-04
AU667802B2 (en) 1996-04-18

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