FI115619B - Förseglingsbar polyolefinisk flerskiktsfolie, förfarande för framställ ning av denna och användning av denna - Google Patents

Förseglingsbar polyolefinisk flerskiktsfolie, förfarande för framställ ning av denna och användning av denna Download PDF

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Publication number
FI115619B
FI115619B FI950739A FI950739A FI115619B FI 115619 B FI115619 B FI 115619B FI 950739 A FI950739 A FI 950739A FI 950739 A FI950739 A FI 950739A FI 115619 B FI115619 B FI 115619B
Authority
FI
Finland
Prior art keywords
copolymer
multilayer film
weight
film according
film
Prior art date
Application number
FI950739A
Other languages
English (en)
Finnish (fi)
Other versions
FI950739A0 (sv
FI950739A (sv
Inventor
Andreas Winter
Thomas Dries
Walter Spaleck
Original Assignee
Hoechst Ag
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 DE4406931A external-priority patent/DE4406931A1/de
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of FI950739A0 publication Critical patent/FI950739A0/sv
Publication of FI950739A publication Critical patent/FI950739A/sv
Application granted granted Critical
Publication of FI115619B publication Critical patent/FI115619B/sv

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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
    • B32B27/06—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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • 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
    • B32B2250/03—3 layers
    • 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
    • B32B2307/518—Oriented bi-axially
    • 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
    • B32B2307/718—Weight, e.g. weight per square meter
    • 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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/08—Dimensions, e.g. volume
    • B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
    • B32B2309/105—Thickness
    • 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
    • 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
    • Y10T428/2495—Thickness [relative or absolute]
    • Y10T428/24967—Absolute thicknesses specified
    • 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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)

Claims (18)

1. Förseglingsbar flerskiktsfolie, som bestär av ett polyolefiniskt basskikt och ätminstone ett täckskikt, 5 kännetecknad av att täckskiktet innehäller en pro-pen-olefinsampolymer, som framställts genom användning av metallocenkatalysatorer, vilka resulterar i isotaktiskt polypropen, att sampolymeren är en slumpartad sampolymer, att blockandelens förhallande tili slumpandelen i sampoly- 10 meren uppmätt med hjälp av IR som slumpfaktor är mellan 0,01 och 0,4 vikt-%, och att halten av statistisk sammono-mer i sampolymeren pä basis av IR är 0,05 - 12 vikt-%.
2. Flerskiktsfolie enligt patentkrav 1, kännetecknad av att andelen sammonomer av sampolymeren är 15 0,1 - 10 vikt-%, företrädesvis 1-7 vikt-%.
3. Flerskiktsfolie enligt patentkrav 1, kännetecknad av att nämnda sammonomer är eten.
4. Flerskiktsfolie enligt patentkrav 1, kännetecknad av att sampolymerens massagenomsnittliga mol- 20 massa (Mw) är i omrädet 5-104 - 2-106 g/mol.
5. Flerskiktsfolie enligt patentkrav 1, kännetecknad av att sampolymerens talgenomsnittliga molmas-sa (Mn) är i omrädet 5-104 - 1-106 g/mol.
’ 6. Flerskiktsfolie enligt patentkrav 1, känne- 25 tecknad av att sampolymerens molmassafördelning (Mw/Mn) är under 7.
: 7. Flerskiktsfolie enligt patentkrav 1, känne- V : tecknad av att sampolymerens smälttemperatur pä basis av DSC är 100 - 145 °C.
8. Flerskiktsfolie enligt patentkrav 1, känne- tecknad av att sampolymerens smältfluss (MFR) är 0,5 -100 g/10 min definierat enligt normen DIN 53 735 (230 °C, ; 21,6 N). 115619
9. Flerskiktsfolie enligt patentkrav 1, känne-tecknad av att andelen komponenter som kan extraheras i n-hexan (enligt anvisning FDA 1 771 520) frän sampolyme-ren är under 3 vikt-%.
10. Flerskiktsfolie enligt patentkrav 1, känne- tecknad av att sampolymerens viskositetstal (VZ) är i omrädet 50 - 1000 cm3/g.
11. Flerskiktsfolie, kännetecknad av att den är enligt tvä eller flera av patentkraven 1-10.
12. Flerskiktsfolie enligt ett eller flera av pa tentkraven 1 - 11, kännetecknad av att basskiktets polyolefin innehäller minst 90 % propen och dess smält-fluss (enligt norm DIN 53 735) är 0,5-8 g/10 min och smälttemperatur 150 - 170 °C.
13. Flerskiktsfolie enligt ett eller flera av pa tentkraven 1 - 12, kännetecknad av att basskiktet innehäller inerta oorganiska och/eller organiska partik-lar.
14. Flerskiktsfolie enligt ett eller flera av pa-20 tentkraven 1 - 13, kännetecknad av att basskiktet innehäller harts.
·. 15. Flerskiktsfolie enligt ett eller flera av pa- • . tentkraven 1 - 14, kännetecknad av att nämnda fler- ' skiktsfolie är minst treskiktig. ’’ 25
16. Flerskiktsfolie enligt ett eller flera av pa- • ·' tentkraven 1 - 15, kännetecknad av att täckskiktet . ί är 0,1 - 2,5 pm tjockt.
: 17. Förfarande för framställning av en flerskikts folie enligt patentkrav 1, i vilket förfarande smältor 30 motsvarande foliens olika skikt extruderas samtidigt genom ett plansträlmunstycke, den koextruderade folien avkyls, folien sträcks biaxialt sä att längdsträckningsförhällan-; det är 4:1-7:1 och tvärsträckningsförhallandet 8:1 - 10:1, och den biaxialt sträckta folien fästs genom upp-35 värmning, eventuellt korona- eller flambehandlas och där-efter rullas, kännetecknat av att den koextruderade • I 115619 folien dras over dragvalsar, vilkas temperatur är i omra-det 10 - 90 °C.
18. Förpackning, kännetecknad av att den in-nehäller en folie enligt ett eller flera av patentkraven 5 1-16. » »
FI950739A 1994-02-21 1995-02-17 Förseglingsbar polyolefinisk flerskiktsfolie, förfarande för framställ ning av denna och användning av denna FI115619B (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4405429 1994-02-21
DE4405429 1994-02-21
DE4406931 1994-03-03
DE4406931A DE4406931A1 (de) 1994-02-21 1994-03-03 Siegelbare polyolefinische Mehrschichtfolie, Verfahren zu ihrer Herstellung und ihre Verwendung

Publications (3)

Publication Number Publication Date
FI950739A0 FI950739A0 (sv) 1995-02-17
FI950739A FI950739A (sv) 1995-08-22
FI115619B true FI115619B (sv) 2005-06-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
FI950739A FI115619B (sv) 1994-02-21 1995-02-17 Förseglingsbar polyolefinisk flerskiktsfolie, förfarande för framställ ning av denna och användning av denna

Country Status (5)

Country Link
US (1) US6558808B1 (sv)
EP (1) EP0668157B1 (sv)
CA (1) CA2142521C (sv)
ES (1) ES2199966T3 (sv)
FI (1) FI115619B (sv)

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Also Published As

Publication number Publication date
FI950739A0 (sv) 1995-02-17
FI950739A (sv) 1995-08-22
US6558808B1 (en) 2003-05-06
EP0668157A1 (de) 1995-08-23
EP0668157B1 (de) 2003-05-21
CA2142521A1 (en) 1995-08-22
CA2142521C (en) 2007-04-10
ES2199966T3 (es) 2004-03-01

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