FI61905C - Foer foerpackningsaendamaol anvaendbar flerlagerfolie och foerfarande foer dess framstaellning - Google Patents

Foer foerpackningsaendamaol anvaendbar flerlagerfolie och foerfarande foer dess framstaellning Download PDF

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Publication number
FI61905C
FI61905C FI3644/74A FI364474A FI61905C FI 61905 C FI61905 C FI 61905C FI 3644/74 A FI3644/74 A FI 3644/74A FI 364474 A FI364474 A FI 364474A FI 61905 C FI61905 C FI 61905C
Authority
FI
Finland
Prior art keywords
copolymer
layer
propylene
film
heat
Prior art date
Application number
FI3644/74A
Other languages
English (en)
Finnish (fi)
Other versions
FI364474A (sv
FI61905B (fi
Inventor
Robert Clive Lansbury
Thomas Geoffrey Heggs
Original Assignee
Ici 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 Ici Ltd filed Critical Ici Ltd
Priority claimed from ZA00748003A external-priority patent/ZA748003B/xx
Publication of FI364474A publication Critical patent/FI364474A/fi
Application granted granted Critical
Publication of FI61905B publication Critical patent/FI61905B/fi
Publication of FI61905C publication Critical patent/FI61905C/fi

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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/32—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed at least two layers being foamed and next to each other
    • 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
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • 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
    • 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
    • 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
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/025—Polyolefin
    • 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
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0278—Polyurethane
    • 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
    • B32B2266/00—Composition of foam
    • B32B2266/08—Closed cell foam
    • 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
    • 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
    • B32B2601/00—Upholstery
    • 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
    • B32B2605/00—Vehicles
    • B32B2605/003—Interior finishings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/14—Copolymers of propene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/14—Copolymers of propene
    • C08L23/142—Copolymers of propene at least partially crystalline copolymers of propene with other olefins
    • 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
    • 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
    • Y10T428/265—1 mil or less
    • 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
    • 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]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • 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

Landscapes

  • Laminated Bodies (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Claims (14)

1. För förpackingsändamäl användbar flerlagerfolie, som omfattar ett av en 2-6 kolatomer i molekylen innehällande alfaolefin bestäende polymer- eller sam-polymersubstratlager, som ätminstone pä den ena ytan har ett av propylen och en annan alfaolefin bestäende lager, kännetecknad därav, att molekylen av nämnda andra alfaolefin innehäller 4-10 kolatomer, propylensampolymeren ar väsentligen kristallin och propylenhalten av propylensampolymeren är 80-95 vikt-'·. av sampolymeren.
2. Folie enligt patentkravet 1, kännetecknad därav, att propylensampolymeren i kornig form före bildande av folielagret har en smältindex mätt med standardförfarandet ASTM/D 1238-65T (villkor N) av 10-200 g/10 minuter.
3. Folie enligt patentkravet 1 eller 2, kännetecknad därav, att den andra alfaolefinkomponenten i propylensampolymerlagret är buten-1.
4. Folie enligt patentkravet 3, kännetecknad därav, att buten-1-halten av propylensampolymerlagret är 10-15 vikt-% av sampolymeren.
5. Folie enligt nägot av de föregäende patentkraven, kännetecknad därav, att propylensampolymerlagret innehaller en sampolymer, som före sampolymerens förening med flerlagerfolien har en kristallinitetsgrad av 35-65 %.
6. Folie enligt nägot av de föregäende patentkraven, kännetecknad därav, att tjockleken av propylensampolymerlagret pä substratlagrets yta är högst 0,5 ^im.
7. Folie enligt patentkravet 6, kännetecknad därav, att propylensampolymerlagret har en tjocklek av 0,05-0,25 ^um.
8. Folie enligt nägot av patentkraven 1-8, kännetecknad därav, att den är framställd genom att samextrudera substratlagret samt propylensampolymerlagret eller -lagren.
9. Förfarande för bildande av en flerlagerfolie enligt patentkravet 1, kännetecknat därav, att ätminstone pä den ena ytan av ett polymer-eller sampolymersubstratlager bestäende av en 2-6 kolatomer innehallande alfaolef in bildas ett av propylen och en annan alfaolefin, vars molekyl innehaller 4-10 kolatomer, bestäende sampolymerlager, i vilket sampolymerens propylenhalt är 80-95 vikt-% av sampolymeren.
10. Förfarande enligt patentkravet 9, kännetecknat därav, att substratlagret och propylensampolymerlagret eller -lagren samextruderas.
11. Förfarande enligt patentkravet 9 eller 10, kännetecknat därav, att sampolymerlagret, som appliceras pä substratlagret, innehäller en
FI3644/74A 1974-03-29 1974-12-17 Foer foerpackningsaendamaol anvaendbar flerlagerfolie och foerfarande foer dess framstaellning FI61905C (fi)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
GB1399574A GB1452424A (en) 1974-03-29 1974-03-29 Composite films
GB1399574 1974-03-29
GB4842274 1974-11-11
GB4842274 1974-11-11
ZA00748003A ZA748003B (en) 1974-03-29 1974-12-17 Composite films
ZA7408003 1974-12-17
AU8691375 1974-12-20
AU86913/75A AU490832B2 (en) 1974-03-29 1974-12-20 Multiple-layer films

Publications (3)

Publication Number Publication Date
FI364474A FI364474A (sv) 1975-09-30
FI61905B FI61905B (fi) 1982-06-30
FI61905C true FI61905C (fi) 1982-10-11

Family

ID=27424008

Family Applications (1)

Application Number Title Priority Date Filing Date
FI3644/74A FI61905C (fi) 1974-03-29 1974-12-17 Foer foerpackningsaendamaol anvaendbar flerlagerfolie och foerfarande foer dess framstaellning

Country Status (13)

Country Link
US (1) US4252851A (sv)
JP (1) JPS5230434B2 (sv)
AT (1) AT346605B (sv)
CA (1) CA1059280A (sv)
CH (1) CH595984A5 (sv)
DE (1) DE2460597B2 (sv)
DK (1) DK156549C (sv)
FI (1) FI61905C (sv)
FR (1) FR2265540B1 (sv)
GB (1) GB1452424A (sv)
LU (1) LU71646A1 (sv)
NL (1) NL163464C (sv)
SE (1) SE414290C (sv)

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Publication number Publication date
FR2265540B1 (sv) 1979-02-23
CH595984A5 (sv) 1978-02-28
JPS50128781A (sv) 1975-10-11
SE414290C (sv) 1989-04-17
FR2265540A1 (sv) 1975-10-24
DE2460597A1 (de) 1975-10-02
CA1059280A (en) 1979-07-31
ATA1038274A (de) 1977-02-15
GB1452424A (en) 1976-10-13
US4252851A (en) 1981-02-24
DK156549B (da) 1989-09-11
NL163464B (nl) 1980-04-15
SE414290B (sv) 1980-07-21
DK156549C (da) 1990-03-12
AT346605B (de) 1978-11-27
DE2460597B2 (de) 1979-11-22
LU71646A1 (sv) 1976-08-19
NL7416843A (nl) 1975-10-01
FI364474A (sv) 1975-09-30
SE7416035L (sv) 1975-09-30
DK676174A (sv) 1975-09-30
FI61905B (fi) 1982-06-30
JPS5230434B2 (sv) 1977-08-08
DE2460597C3 (sv) 1990-05-10
NL163464C (nl) 1985-04-16

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