FI115126B - Flerskiktig biorienterad krympfilm - Google Patents
Flerskiktig biorienterad krympfilm Download PDFInfo
- Publication number
- FI115126B FI115126B FI961945A FI961945A FI115126B FI 115126 B FI115126 B FI 115126B FI 961945 A FI961945 A FI 961945A FI 961945 A FI961945 A FI 961945A FI 115126 B FI115126 B FI 115126B
- Authority
- FI
- Finland
- Prior art keywords
- ethylene
- multilayer film
- copolymer
- film according
- alpha
- Prior art date
Links
- 229920006300 shrink film Polymers 0.000 title description 24
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 105
- 239000005977 Ethylene Substances 0.000 claims abstract description 105
- 229920001577 copolymer Polymers 0.000 claims abstract description 80
- 239000004711 α-olefin Substances 0.000 claims abstract description 45
- 238000002844 melting Methods 0.000 claims abstract description 43
- 230000008018 melting Effects 0.000 claims abstract description 43
- 229920000098 polyolefin Polymers 0.000 claims abstract description 22
- 229920000642 polymer Polymers 0.000 claims abstract description 18
- 229920001169 thermoplastic Polymers 0.000 claims abstract 4
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract 4
- 239000000203 mixture Substances 0.000 claims description 80
- 239000010410 layer Substances 0.000 claims description 73
- 238000000034 method Methods 0.000 claims description 40
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 35
- 239000012792 core layer Substances 0.000 claims description 24
- 239000004743 Polypropylene Substances 0.000 claims description 20
- 239000002344 surface layer Substances 0.000 claims description 20
- 229920001155 polypropylene Polymers 0.000 claims description 19
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 17
- -1 polypropylenes Polymers 0.000 claims description 14
- 239000000155 melt Substances 0.000 claims description 5
- 229920005606 polypropylene copolymer Polymers 0.000 claims description 5
- 238000004132 cross linking Methods 0.000 claims description 4
- 230000002040 relaxant effect Effects 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 238000007707 calorimetry Methods 0.000 claims 1
- 238000012856 packing Methods 0.000 claims 1
- 239000011241 protective layer Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 238000000646 scanning calorimetry Methods 0.000 abstract description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 9
- 230000002457 bidirectional effect Effects 0.000 description 8
- 238000000113 differential scanning calorimetry Methods 0.000 description 8
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 8
- 238000003556 assay Methods 0.000 description 7
- 239000001692 EU approved anti-caking agent Substances 0.000 description 6
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 5
- 229920001038 ethylene copolymer Polymers 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 4
- 229920000092 linear low density polyethylene Polymers 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 3
- 239000002519 antifouling agent Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000007334 copolymerization reaction Methods 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 239000004707 linear low-density polyethylene Substances 0.000 description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 239000005033 polyvinylidene chloride Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 2
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 229920001179 medium density polyethylene Polymers 0.000 description 2
- 239000004701 medium-density polyethylene Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- 229920001897 terpolymer Polymers 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 1
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- 240000005561 Musa balbisiana Species 0.000 description 1
- 235000018290 Musa x paradisiaca Nutrition 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 125000005250 alkyl acrylate group Chemical group 0.000 description 1
- 150000008064 anhydrides Chemical group 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 229920005684 linear copolymer Polymers 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- FCWZQVWOPNAWAL-CLFAGFIQSA-N n,n'-bis[(z)-octadec-9-enyl]ethane-1,2-diamine Chemical compound CCCCCCCC\C=C/CCCCCCCCNCCNCCCCCCCC\C=C/CCCCCCCC FCWZQVWOPNAWAL-CLFAGFIQSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000012748 slip agent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- 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
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
-
- 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
- B32B38/0008—Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0608—PE, i.e. polyethylene characterised by its density
- B29K2023/0625—LLDPE, i.e. linear low density polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/08—Copolymers of ethylene
- B29K2023/083—EVA, i.e. ethylene vinyl acetate copolymer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/08—Copolymers of ethylene
- B29K2023/086—EVOH, i.e. ethylene vinyl alcohol copolymer
-
- 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
- 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
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
- B32B2307/7244—Oxygen barrier
-
- 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
- B32B2323/10—Polypropylene
-
- 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
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1328—Shrinkable or shrunk [e.g., due to heat, solvent, volatile agent, restraint removal, etc.]
-
- 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]
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2918—Rod, strand, filament or fiber including free carbon or carbide or therewith [not as steel]
-
- 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
-
- 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
- Y10T428/31928—Ester, halide or nitrile of addition polymer
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Thermal Sciences (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Laminated Bodies (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Wrappers (AREA)
- Materials For Medical Uses (AREA)
- Packages (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Claims (36)
1. Flerskiktad biorienterad termoplastfilm som kan värme-krympas, som extruderats frän ett bredslitsmunstycke, varvid 5 ätminstone ett skikt innehäller eten/C4-C12-alf a-olef inkopo- lymer, kännetecknad av att (a) nämnda skikt bestär av ΑΧ1 50-100 viktandelar eten/C4-C12-alfa-olefinkopolymer eller 10 en blandning av eten/C4-C12-alf a-olef inkopolymerer, och A2) 50-0 viktandelar polymer, som är en polyolefin, en modi- fierad polyolefin eller en blandning av dessa, 15 förutsatt att i detta skikt förekommer flera än en smält- punkt detekterad med differential svepkalorimetri enligt ASTM D-3418, (b) tjocklekens totala awikelse i nämnda flerskiktsfilm är 20 under + 10 %, (c) flerskiktsfilmens genomsnittliga awikelse frän en rät linje (krökning) är under + 40 mm, 25 (d) flerskiktsfilmens genomsnittliga depression är under 25 mm. > I
2. Flerskiktsfilm enligt patentkrav 1, kännetecknad av att * · ‘ tjocklekens totala awikelse är under + 5 %. 30
3. Flerskiktsf ilm enligt patentkrav 1 eller 2, kännetecknad av att den genomsnittliga awikelsen frän en rät linje (krökning) är under + 25 mm. i · t » • · . 35
4. Flerskiktsfilm enligt nägot av patentkraven 1-3, känne- V * tecknad av att den töjts genom att använda ett töjnings- ·, Ί förhällande som är 2:1-11:1 i maskinriktningen och 3:1-12:1 i tvärriktningen. so 11S126
5. Flerskiktsfilm enligt patentkrav 4, kännetecknad av att den töjts med ett töjningsförhällande sorti är 4,5:1-9,5:1 i maskinriktningen och 5:1-11:1 i tvärriktningen.
6. Flerskiktsfilm enligt nägot av patentkraven 1-5, känne- tecknad av att polyolefinerna är eten/vinylacetatkopolyme-rer, eten/akrylatkopolymerer, propenkopolymerer eller poly-propener.
7. Flerskiktsfilm enligt nägot av patentkraven 1-6, känne- tecknad av att alfa-olefinernas mängd i eten/C4-C12-alfa-ole-finkopolymeren är ätminstone 7 vikt-%.
8. Flerskiktsfilm enligt patentkrav 7, kännetecknad av att 15 alfa-olefinen är okten-1.
9. Flerskiktsfilm enligt patentkrav 8, kännetecknad av att mängden okten-1 är 10 + 2 vikt-%.
10. Flerskiktsfilm enligt patentkrav 8, kännetecknad av att eten/okten-l-kopolymerens densitet är ca 0,920 g/cm3. * t
'· · 11. Flerskiktsf ilm enligt patentkrav 9 eller patentkrav 10, • · ; kännetecknad av att eten/okten-l-kopolymeren har tre smält- • 25 punkter, vilka är 106 + 2 °C; 119 + 2 °C och 122 + 2 °C.
12. Flerskiktsfilm enligt nägot av patentkraven 1-11, kännetecknad av att den är tvärbunden.
13. Flerskiktsfilm enligt patentkrav 12, kännetecknad av att tvärbindningen utförs genom att besträla med högenergi-elektroner med användning av en strälmängd pä 1-12 Mrad. ' '7
14. Flerskiktsfilm enligt nägot av patentkraven 1-13, känne- 35 tecknad av att skiktet som innefattar eten/C4-C12-alf a-ole- . finkopolymer är treskiktsfilmens kärnskikt. i 115126
15. Flerskiktsfilm enligt nägot av patentkraven 1-14, kännetecknad av att de tvä yttre skikten har samma sammansätt-ning, som bestär av en polymer sora är en eten/C4-C12-alf a-olefinkopolymer, en eten/vinylacetatkopolymer, en eten/akry- 5 latkopolymer, en polypropenkopolymer, en polypropen, en modifierad polyolefin eller en blandning av dessa.
16. Flerskiktsfilm enligt patentkrav 15, kännetecknad av att de tvä yttre skikten innehäller 10 - 40-60 vikt % av en första eten/C4-C12-alfa-olefinkopolymer, - 20-30 vikt-% av en andra eten/C4-C12-alf a-olef inkopolymer, 15 -20-30 vikt-% av en eten/vinylacetatkopolymer (EVA).
17. Flerskiktsfilm enligt patentkrav 16, kännetecknad av att den första eten/C4-C12-alf a-olef inkopolymeren är eten/okten-1-kopolymer. 20
18. Flerskiktsfilm enligt patentkrav 17, kännetecknad av att den första kopolymeren innehäller 10+2 vikt-% okten-1.
* · . · 19. Flerskiktsfilm enligt patentkrav 17 eller 18, känneteck- * 25 nad av att den första eten/okten-l-kopolymerens densitet är ' ‘‘ ca 0,92 0 g/cm3.
' · : 20. Flerskiktsfilm enligt nägot av patentkraven 17-19, kän netecknad av att den första eten/okten-l-kopolymeren har tre 30 smältpunkter, 106 + 2 °C; 119 + 2 °C och 122 + 2 °C.
21. Flerskiktsfilm enligt nägot av patentkraven 17-20, kän-'*”· netecknad av att den andra eten/C4-C12-alf a-olef inkopolymeren är eten/okten-l-kopolymer. ;·. 35 .
22. Flerskiktsfilm enligt patentkrav 21, kännetecknad av att » · ' · den andra eten/okten-l-kopolymeren innehäller 2,5-4,5 vikt-% okten-1. 115126
23. Flerskiktsfilm enligt patentkrav 21 eller 22, känneteck-nad av att den andra eten/okten-l-kopolymerens densitet är ca 0,935 g/cm3.
24. Flerskiktsfilm enligt nägot av patentkraven 21-23, kän- netecknad av att den andra eten/okten-l-kopolymeren smälter vid 122,5 + 2°C.
25. Flerskiktsfilm enligt nägot av patentkraven 21-24, kän- 10 netecknad av att EVA:s densitet är ca 0,926 g/cm3.
26. Flerskiktsfilm enligt nägot av patentkraven 21-25, kän-netecknad av att EVA smälter vid 106,8 + 2 °C.
27. Flerskiktsfilm enligt patentkrav 15, kännetecknad av att tvä yttre skikten innehäller - 75-100 vikt-% propenkopolymer, 20 - 0-25 vikt-% polypropen (PP).
. . 28. Flerskiktsfilm enligt patentkrav 27, kännetecknad av att * · propenkopolymerens densitet är ca 0,900 g/cm3.
29. Flerskiktsfilm enligt patentkrav 27 eller 28, känneteck- *· nad av att propenkopolymeren smälter vid 125-138 °C.
• • 30. Flerskiktsfilm enligt nägot av patentkraven 27-29, kännetecknad av att PP:s densitet är ca 0,904 g/cm3. 30
31. Flerskiktsfilm enligt nägot av patentkraven 27-30, kännetecknad av att PP smälter vid 160 + 2 °C. i it
32. Flerskiktsfilm enligt nägot av patentkraven 1-13, kanne- ·. 35 tecknad av att skiktet som innehäller eten/C4-C12-alfa-ole- • . finkopolymer är ett ytskikt av en femskiktad film. * · * · 115126
33. Flerskiktsfilm enligt patentkrav 32, kännetecknad av att den femskiktade filmens kärnskikt är ett skyddsskikt mot syre. 5
34. Förfarande för att framställa en flerskiktad bioriente- rad termoplastfilm som kan värmekrympas, kännetecknat av att en film enligt nägot av patentkraven 1-32 ästadkommits genom att töja bandet först i maskinriktningen vid en temperatur mellan 60-150 °C och sedan i tvärriktningen genom att för-10 varma vid en temperatur mellan 80-190 °C, genom att töja den vid en temperatur mellan 60-160 °C och till slut genom att relaxera den vid en temperatur mellan 50-150 °C.
35. Förfarande enligt patentkrav 34, kännetecknat av att 15 bandet töjs först i maskinriktningen vid en temperatur mellan 80-120 °C och sedan i tvärriktningen genom att för-värma det vid en temperatur mellan 110-170 °C, genom att töja den vid en temperatur mellan 80-140 °C och till slut genom att relaxera den vid en temperatur mellan 75-130 °C. 20
36. Förfarande för att packa en produkt, kännetecknat av att en flerskiktad biorienterad termoplastfilm som kan värme-krympas enligt vilket som heist av patentkraven 1-34 lindas : runt nämnda produkt, tätas ihop eller skärs och krymps. * • t i i > · > * ♦
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI932370 | 1993-11-08 | ||
IT93MI002370A IT1266781B1 (it) | 1993-11-08 | 1993-11-08 | Pellicole multistrato orientate biassialmente e termoretraibili, procedimento per produrle e loro uso per confezionare prodotti |
EP9403589 | 1994-10-28 | ||
PCT/EP1994/003589 WO1995013187A1 (en) | 1993-11-08 | 1994-10-28 | Multilayered, bioriented, heat shrinkable film |
Publications (3)
Publication Number | Publication Date |
---|---|
FI961945A0 FI961945A0 (sv) | 1996-05-08 |
FI961945A FI961945A (sv) | 1996-05-08 |
FI115126B true FI115126B (sv) | 2005-03-15 |
Family
ID=11367167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI961945A FI115126B (sv) | 1993-11-08 | 1996-05-08 | Flerskiktig biorienterad krympfilm |
Country Status (16)
Country | Link |
---|---|
US (2) | US6106934A (sv) |
EP (1) | EP0728071B1 (sv) |
AT (1) | ATE193244T1 (sv) |
AU (1) | AU686271B2 (sv) |
BR (1) | BR9408013A (sv) |
CA (1) | CA2175084C (sv) |
DE (1) | DE69424681T2 (sv) |
DK (1) | DK0728071T3 (sv) |
ES (1) | ES2145895T3 (sv) |
FI (1) | FI115126B (sv) |
GR (1) | GR3034128T3 (sv) |
IT (1) | IT1266781B1 (sv) |
NZ (1) | NZ276069A (sv) |
PT (1) | PT728071E (sv) |
WO (1) | WO1995013187A1 (sv) |
ZA (1) | ZA948829B (sv) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6777046B1 (en) | 1998-07-07 | 2004-08-17 | Curwood, Inc. | Puncture resistant, high shrink films, blends, and process |
ES2217877T3 (es) * | 1998-12-18 | 2004-11-01 | Cryovac, Inc. | Procedimiento para la fabricacion de una pelicula termoplastica de multiples capas, altamente biaxialmente orientada, contraible por calor. |
US20030039826A1 (en) | 2000-03-20 | 2003-02-27 | Sun Edward I. | Conformable and die-cuttable biaxially oriented films and labelstocks |
KR20020087703A (ko) * | 2001-05-16 | 2002-11-23 | 케미타운 주식회사 | 완구제조용 다층 필름 |
JP2004088619A (ja) * | 2002-08-28 | 2004-03-18 | Sony Corp | 符号列暗号化方法、装置および暗号解除方法、装置および記録媒体 |
US7736726B2 (en) | 2002-12-17 | 2010-06-15 | Cryovac, Inc. | Polymeric film with low blocking and high slip properties |
US6833170B1 (en) * | 2003-09-29 | 2004-12-21 | Frito-Lay North America, Inc. | Pucker resistant film and package |
KR20070041439A (ko) * | 2004-05-18 | 2007-04-18 | 군제 가부시키가이샤 | 다층 열수축성 필름 및 포장전지 |
PT103380B (pt) * | 2005-11-09 | 2007-09-13 | Univ Do Minho | Linha de extrusão laboratorial para a produção de filme tubular convencional e biorientado, com comutação simples entre as duas técnicas |
JP2019517938A (ja) | 2016-06-03 | 2019-06-27 | ボレアリス エージー | 多層構造体 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1234374B (de) * | 1961-03-21 | 1967-02-16 | Brueckner Trocknerbau Inh Gern | Vorrichtung zum biaxialen Recken einer Materialbahn in Laengs- und Querrichtung |
DE1221786B (de) * | 1961-12-07 | 1966-07-28 | Brueckner Trocknerbau Inh Gern | Vorrichtung zum Recken einer Folienbahn aus thermoplastischem Kunststoff in Laengsrichtung |
US4020141A (en) * | 1974-06-13 | 1977-04-26 | E. I. Du Pont De Nemours And Company | Method of making heat-sealable, heat-shrinkable, biaxially oriented polyester film |
US4597920A (en) * | 1981-04-23 | 1986-07-01 | E. I. Du Pont De Nemours And Company | Shrink films of ethylene/α-olefin copolymers |
CA1174423A (en) * | 1981-04-23 | 1984-09-18 | Ralph C. Golike | Shrink films of ethylene/alpha-olefin copolymers |
US4532189A (en) * | 1982-02-19 | 1985-07-30 | W. R. Grace & Co., Cryovac Div. | Linear polyethylene shrink films |
US4551380A (en) * | 1984-05-10 | 1985-11-05 | W. R. Grace & Co., Cryovac Div. | Oriented heat-sealable multilayer packaging film |
US4643943A (en) * | 1984-05-30 | 1987-02-17 | W. R. Grace & Co., Cryovac Div. | Multi-layer polyolefin shrink film |
US4514465A (en) * | 1984-05-30 | 1985-04-30 | W. R. Grace & Co., Cryovac Div. | Storm window film comprising at least five layers |
DE3433701A1 (de) * | 1984-09-13 | 1986-03-20 | Brückner-Apparatebau GmbH, 6120 Erbach | Verfahren und vorrichtung zum dehnen von schlauchware |
JP2570297B2 (ja) * | 1986-06-23 | 1997-01-08 | 大日本インキ化学工業株式会社 | 二軸延伸複合スチレン系樹脂シ−ト |
US4797235A (en) * | 1987-04-16 | 1989-01-10 | W. R. Grace & Co. | Process for enhanced orientation of polymeric films |
FR2623744B1 (fr) * | 1987-11-30 | 1990-02-02 | Kaysersberg Sa | Procede de fabrication d'une pellicule thermoplastique thermore tractable par etirages successifs |
GB8914703D0 (en) * | 1989-06-27 | 1989-08-16 | Dow Europ Sa | Bioriented film |
JP2904904B2 (ja) * | 1989-10-09 | 1999-06-14 | 株式会社興人 | ポリエチレン系ストレッチシュリンクフィルム及びその製造方法 |
US5272236A (en) * | 1991-10-15 | 1993-12-21 | The Dow Chemical Company | Elastic substantially linear olefin polymers |
CA2067459C (en) * | 1991-05-14 | 2001-08-28 | Ray E. Patrick | Produce packaging film |
US5677383A (en) * | 1991-10-15 | 1997-10-14 | The Dow Chemical Company | Fabricated articles made from ethylene polymer blends |
US5414040A (en) * | 1992-09-15 | 1995-05-09 | The Dow Chemical Company | Formulated ethylene/α-olefin elastomeric compounds |
US5482771A (en) * | 1992-09-18 | 1996-01-09 | W. R. Grace & Co.-Conn. | Moisutre barrier film |
-
1993
- 1993-11-08 IT IT93MI002370A patent/IT1266781B1/it active IP Right Grant
-
1994
- 1994-10-28 US US08/646,366 patent/US6106934A/en not_active Expired - Lifetime
- 1994-10-28 PT PT95900667T patent/PT728071E/pt unknown
- 1994-10-28 DE DE69424681T patent/DE69424681T2/de not_active Expired - Lifetime
- 1994-10-28 AU AU81401/94A patent/AU686271B2/en not_active Expired
- 1994-10-28 EP EP95900667A patent/EP0728071B1/en not_active Expired - Lifetime
- 1994-10-28 DK DK95900667T patent/DK0728071T3/da active
- 1994-10-28 CA CA002175084A patent/CA2175084C/en not_active Expired - Lifetime
- 1994-10-28 BR BR9408013A patent/BR9408013A/pt not_active IP Right Cessation
- 1994-10-28 WO PCT/EP1994/003589 patent/WO1995013187A1/en active IP Right Grant
- 1994-10-28 NZ NZ276069A patent/NZ276069A/en not_active IP Right Cessation
- 1994-10-28 ES ES95900667T patent/ES2145895T3/es not_active Expired - Lifetime
- 1994-10-28 AT AT95900667T patent/ATE193244T1/de active
- 1994-11-08 ZA ZA948829A patent/ZA948829B/xx unknown
-
1996
- 1996-05-08 FI FI961945A patent/FI115126B/sv not_active IP Right Cessation
-
1998
- 1998-06-12 US US09/096,556 patent/US6197244B1/en not_active Expired - Lifetime
-
2000
- 2000-08-07 GR GR20000401823T patent/GR3034128T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
DE69424681D1 (de) | 2000-06-29 |
ITMI932370A0 (it) | 1993-11-08 |
ES2145895T3 (es) | 2000-07-16 |
BR9408013A (pt) | 1996-12-17 |
EP0728071B1 (en) | 2000-05-24 |
IT1266781B1 (it) | 1997-01-21 |
ZA948829B (en) | 1995-07-14 |
FI961945A0 (sv) | 1996-05-08 |
DK0728071T3 (da) | 2000-10-02 |
DE69424681T2 (de) | 2000-09-28 |
GR3034128T3 (en) | 2000-11-30 |
AU686271B2 (en) | 1998-02-05 |
CA2175084C (en) | 2003-07-08 |
ATE193244T1 (de) | 2000-06-15 |
EP0728071A1 (en) | 1996-08-28 |
US6106934A (en) | 2000-08-22 |
AU8140194A (en) | 1995-05-29 |
CA2175084A1 (en) | 1995-05-18 |
FI961945A (sv) | 1996-05-08 |
WO1995013187A1 (en) | 1995-05-18 |
US6197244B1 (en) | 2001-03-06 |
NZ276069A (en) | 1997-12-19 |
PT728071E (pt) | 2000-11-30 |
ITMI932370A1 (it) | 1995-05-08 |
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