WO2006040057A1 - Etikettenfolie für tiefziehverfahren - Google Patents
Etikettenfolie für tiefziehverfahren Download PDFInfo
- Publication number
- WO2006040057A1 WO2006040057A1 PCT/EP2005/010746 EP2005010746W WO2006040057A1 WO 2006040057 A1 WO2006040057 A1 WO 2006040057A1 EP 2005010746 W EP2005010746 W EP 2005010746W WO 2006040057 A1 WO2006040057 A1 WO 2006040057A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- film
- layer
- use according
- label
- propylene
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 41
- 229920001155 polypropylene Polymers 0.000 claims abstract description 34
- -1 polypropylene Polymers 0.000 claims abstract description 32
- 239000004743 Polypropylene Substances 0.000 claims abstract description 25
- 239000002667 nucleating agent Substances 0.000 claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 19
- 238000002372 labelling Methods 0.000 claims abstract description 13
- 229920001384 propylene homopolymer Polymers 0.000 claims description 21
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 15
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 14
- 229920001400 block copolymer Polymers 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 6
- 159000000007 calcium salts Chemical group 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 claims 2
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 claims 2
- 125000003917 carbamoyl group Chemical class [H]N([H])C(*)=O 0.000 claims 1
- 230000001131 transforming effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 64
- 239000000155 melt Substances 0.000 description 16
- 238000001816 cooling Methods 0.000 description 14
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 12
- 238000003856 thermoforming Methods 0.000 description 12
- 239000005977 Ethylene Substances 0.000 description 11
- 238000002844 melting Methods 0.000 description 11
- 230000008018 melting Effects 0.000 description 11
- 239000004033 plastic Substances 0.000 description 10
- 229920003023 plastic Polymers 0.000 description 10
- 210000003934 vacuole Anatomy 0.000 description 10
- 229920001897 terpolymer Polymers 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 7
- 238000001746 injection moulding Methods 0.000 description 7
- 230000035699 permeability Effects 0.000 description 7
- 239000000654 additive Substances 0.000 description 6
- 150000001336 alkenes Chemical class 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 229920000098 polyolefin Polymers 0.000 description 6
- 238000000071 blow moulding Methods 0.000 description 5
- 229920001577 copolymer Polymers 0.000 description 5
- 239000000945 filler Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000003472 neutralizing effect Effects 0.000 description 4
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 4
- 229920001169 thermoplastic Polymers 0.000 description 4
- 239000002216 antistatic agent Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 229920005674 ethylene-propylene random copolymer Polymers 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 229920005604 random copolymer Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- USYJXNNLQOTDLW-UHFFFAOYSA-L calcium;heptanedioate Chemical compound [Ca+2].[O-]C(=O)CCCCCC([O-])=O USYJXNNLQOTDLW-UHFFFAOYSA-L 0.000 description 2
- JILYTPDQRCHWPA-UHFFFAOYSA-L calcium;octanedioate Chemical compound [Ca+2].[O-]C(=O)CCCCCCC([O-])=O JILYTPDQRCHWPA-UHFFFAOYSA-L 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 150000001991 dicarboxylic acids Chemical class 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 235000013310 margarine Nutrition 0.000 description 2
- 239000003264 margarine Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical class OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 238000009832 plasma treatment Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- BLDFSDCBQJUWFG-UHFFFAOYSA-N 2-(methylamino)-1,2-diphenylethanol Chemical compound C=1C=CC=CC=1C(NC)C(O)C1=CC=CC=C1 BLDFSDCBQJUWFG-UHFFFAOYSA-N 0.000 description 1
- BLEGBZJBAPLQMY-UHFFFAOYSA-N 2-n,2-n-dicyclohexylnaphthalene-2,6-dicarboxamide Chemical compound C1=CC2=CC(C(=O)N)=CC=C2C=C1C(=O)N(C1CCCCC1)C1CCCCC1 BLEGBZJBAPLQMY-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000004708 Very-low-density polyethylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229920006378 biaxially oriented polypropylene Polymers 0.000 description 1
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- RGIBXDHONMXTLI-UHFFFAOYSA-N chavicol Chemical group OC1=CC=C(CC=C)C=C1 RGIBXDHONMXTLI-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000009998 heat setting Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 235000015243 ice cream Nutrition 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 229920000092 linear low density polyethylene Polymers 0.000 description 1
- 239000004707 linear low-density polyethylene Substances 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920001179 medium density polyethylene Polymers 0.000 description 1
- 239000004701 medium-density polyethylene Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006113 non-polar polymer Polymers 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- WLJVNTCWHIRURA-UHFFFAOYSA-M pimelate(1-) Chemical compound OC(=O)CCCCCC([O-])=O WLJVNTCWHIRURA-UHFFFAOYSA-M 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 229920001866 very low density polyethylene Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- 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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/22—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using layers or sheathings having a shape adapted to the shape of the article
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- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/16—Lining or labelling
- B29C51/165—Lining or labelling combined with the feeding or the shaping of the lining or the labels
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- 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
- B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
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- B32B1/00—Layered products having a general shape other than plane
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- 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
- B32B27/065—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 foam
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- 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
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- 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
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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
- 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
- B32B5/18—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 features of a layer of foamed material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/20—External fittings
- B65D25/205—Means for the attachment of labels, cards, coupons or the like
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0083—Nucleating agents promoting the crystallisation of the polymer matrix
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
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- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/24—Lining or labelling
- B29C2049/2412—Lining or labelling outside the article
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- 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
- B29C2791/00—Shaping characteristics in general
- B29C2791/004—Shaping under special conditions
- B29C2791/006—Using vacuum
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- 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
- B29C2791/00—Shaping characteristics in general
- B29C2791/004—Shaping under special conditions
- B29C2791/007—Using fluid under pressure
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/0005—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor characterised by the material
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
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- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/24—Lining or labelling
- B29C49/2408—In-mould lining or labelling
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/04—Combined thermoforming and prestretching, e.g. biaxial stretching
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/08—Deep drawing or matched-mould forming, i.e. using mechanical means only
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- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/10—Forming by pressure difference, e.g. vacuum
-
- 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
- B29K2023/0641—MDPE, i.e. medium density polyethylene
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- 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
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
-
- 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
- B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
-
- 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/744—Labels, badges, e.g. marker sleeves
-
- 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
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
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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
- 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
- B32B2266/06—Open 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
- B32B2274/00—Thermoplastic elastomer material
-
- 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
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/402—Coloured
- B32B2307/4023—Coloured on the layer surface, e.g. ink
-
- 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
- B32B2307/738—Thermoformability
-
- 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
- B32B2307/75—Printability
-
- 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
- B32B2439/40—Closed containers
- B32B2439/62—Boxes, cartons, cases
-
- 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
- B32B2519/00—Labels, badges
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
-
- 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.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/1376—Foam or porous material containing
-
- 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
- Y10T428/23—Sheet including cover or casing
- Y10T428/233—Foamed or expanded material encased
-
- 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
-
- 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249978—Voids specified as micro
-
- 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249978—Voids specified as micro
- Y10T428/249979—Specified thickness of void-containing component [absolute or relative] or numerical cell dimension
-
- 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249986—Void-containing component contains also a solid fiber or solid particle
Definitions
- the present invention relates to the use of a biaxially oriented polypropylene film as in-mold label in deep drawing.
- Label films cover an extensive and technically complex field. A distinction is made between different labeling techniques, which are fundamentally different with regard to the process conditions and inevitably place different technical requirements on the label materials. All labeling processes have in common that, as the end result, visually appealing labeled containers must result, in which good adhesion to the labeled container must be ensured.
- the labeling methods use very different techniques for applying the label. A distinction is made between self-adhesive labels, wrap-around labels, shrink-on labels, in-mold labels, patch labeling, etc.
- the use of a thermoplastic film as a label is possible in all these different labeling methods.
- In-mold labeling also differentiates between different techniques that use different process conditions. All in-mold labeling is common that the label participates in the actual molding process of the container and is applied during its. However, very different shaping methods are used, such as injection molding, blow molding, deep drawing.
- a label is inserted into the injection mold and back-injected by a molten plastic. Due to the high temperatures and pressures, the label connects to the injection molded part and becomes integral, 2004 / N006 Treofan Germany GmbH & Co. KG 04.10.05
- individual labels are removed from a stack or cut from a roll and inserted into the injection mold.
- the mold is designed so that the melt stream is injected behind the label and the front of the film rests against the wall of the injection mold.
- the hot melt combines with the label.
- the tool opens, the molded part with label is ejected and cools down. As a result, the label must adhere wrinkle-free and visually flawless on the container.
- the injection pressure When spraying the injection pressure is in a range of 300 to 600 bar.
- the plastics used have a melt flow index of around 40 g / 10 min.
- the injection temperatures depend on the plastic used.
- the mold is additionally cooled and a sticking of the molding with the mold to avoid.
- Stamping tools pulled or pressed in a corresponding mold.
- the pressure during inflation of the molten tube is about 4-15 bar and the temperatures are much lower than in injection molding.
- the plastic materials have a lower MFI than injection molding to form a dimensionally stable melt tube and therefore behave differently during the cooling process than the low viscosity materials for injection molding.
- films made of thermoplastics can also be used for thermoforming during labeling for labeling the containers during molding.
- the films must have a selected property profile in order to ensure that the label film and the thermoformed molded body conform to one another smoothly and without bubbles during deep drawing and join together.
- Thermoforming applications are equipped with special adhesive layers, which ensure good adhesion to the container.
- coextruded low-sealing outer layers or special adhesive layers are used. 2004 / N006 Treofan Germany GmbH & Co. KG 04.10.05
- Such a film is described for example in WO 02/45956.
- the cover layer of this film has improved adhesion properties to a wide variety of materials.
- the cover layer contains as main component a co- or terpolymer of an olefin and unsaturated carboxylic acids or their esters. It is described that due to the improved adhesion, this film can also be used as a label during deep drawing.
- EP 0 865 909 describes the use of "microvoided" films for labels.
- the film contains a ⁇ -nucleating agent, by which an increased proportion of ⁇ -crystalline polypropylene is produced in the prefilm during cooling of the melt film. When stretching the pre-foil "microvoids" are generated. It is described that the film has good printability.
- WO 03/091316 describes the use of a biaxially oriented microporous film which contains a propylene polymer and at least one ⁇ -nucleating agent and whose microporosity is produced by conversion of ⁇ -crystalline polypropylene during stretching of the film. It is described that this film can be advantageously used as a label in blow molding.
- the object of the present invention was to provide a label film which can be used in the deep drawing process and which has good adhesion to the container and no air pockets.
- the problem underlying the invention is solved by the use of a biaxially oriented film with a microporous layer containing polypropylene and ⁇ -nucleating agent and whose microporosity is produced by converting ⁇ -crystalline polypropylene during stretching of the film for the labeling of containers during deep drawing. 2004 / N006 Treofan Germany GmbH & Co. KG 04.10.05
- FIGS 2a and 2b show the typical structure of a vacuole-containing layer of thermoplastic polymer and incompatible fillers in cross-section (2a) and in a plan view (2b).
- the intolerance of the vacuole-initiating particles causes delamination between the surface of the particle and the polymer matrix during stretching and creates a closed air-filled cavity called a vacuole.
- These vacuoles are distributed over the entire layer and reduce the density of the films or of the layer. However, these films still show a good barrier, for example to water vapor, since the vacuoles are closed and the structure as a whole is not permeable.
- porous layer according to the present invention is gas-permeable and, as shown in Figs. 1a (plan view) and 1b (cross section), shows an open-pore network structure. This structure is not created by incompatible fillers, but after a technically very different
- the microporous layer contains polypropylene and ⁇ -nucleating agents.
- This mixture of polypropylene with ß-nucleating agent is first melted as usual in the film production in an extruder and through a
- Nucleating agent promotes the crystallization of ⁇ -crystalline polypropylene in the
- the temperature and stretching conditions can be selected so that the ⁇ -
- the composition of the microporous layer hereinafter also referred to as layer, will now be described in detail in detail.
- the microporous layer contains propylene homopolymer and / or a propylene block copolymer, optionally additionally other polyolefins, and at least one .beta.-nucleating agent, and optionally additionally conventional additives, for example stabilizers, neutralizing agents, lubricants, antistatic agents, pigments in respective effective amounts.
- vacuole-containing fillers such as calcium carbonate or polyesters such as PET or PBT are dispensed with, so that the layer generally contains less than 5% by weight, preferably 0 to at most 1% by weight, of these vacuole-initiating fillers 2004 / N006 Treofan Germany GmbH & Co. KG 04.10.05
- the microporous layer contains at least 70-> 100% by weight, preferably 80-99.95% by weight, in particular 90-97% by weight, of a propylene homopolymer and / or propylene block copolymer and 0.001% to 5% by weight, preferably 0.1 to 3 wt .-% of at least one ß-nucleating agent, each based on the weight of the layer (the rest are other polyolefins and / or said additives).
- Suitable propylene homopolymers contain 80 to 100 wt .-%, preferably 90 to 100 wt .-% of propylene units and have a melting point of 140 0 C or higher, preferably 150 to 170 0 C, and generally a melt flow index of 0.5 to 10 g / 10 min, preferably 2 to 8 g / 10 min, at 230 0 C and a force of 2.16 kg (DIN 53735).
- Isotactic propylene homopolymers having an atactic content of 15% by weight and less are preferred propylene polymers for the layer, with isotactic propylene homopolymer being particularly preferred.
- Suitable propylene block copolymers contain predominantly, ie more than 50% by weight, preferably 70 to 99% by weight, in particular 90 to 99% by weight, of propylene units.
- Suitable comonomers in appropriate amounts are ethylene, butylene or higher alkene homologues, of which ethylene is preferred.
- the melt flow index of the block copolymers is in the range of 1 to 15 g / 10 min, preferably 2 to 10 g / 10 min.
- the melting point is above 140 0 C, preferably in a range of 150 to 165 0 C.
- the stated percentages by weight relate to the respective polymer.
- Blends of propylene homopolymer and propylene block copolymer contain these two components in any mixing ratios.
- the ratio of propylene homopolymer to propylene block copolymer ranges from 10 to 90 wt.% To 90 to 10 wt.%, Preferably, 20 to 70 wt.% To 70 to 20 wt.%.
- Such mixtures of homopolymer and block copolymer are particularly preferred and improve the appearance of the microporous layer.
- the porous layer may contain, in addition to the propylene homopolymer and / or propylene block copolymer, other polyolefins.
- the proportion of these other polyolefins is generally below 30 wt .-%, preferably in a range of 1 to 20 wt .-%.
- polystyrene resins include, for example, random copolymers of ethylene and propylene having an ethylene content of 20% by weight or less, random copolymers of propylene with C 4 -C 8 olefins having an olefin content of 20% by weight or less, terpolymers of propylene, Ethylene and butylene having an ethylene content of 10% by weight or less and having a butylene content of 15% by weight or less, or polyethylenes such as HDPE, LDPE, VLDPE, MDPE and LLDPE.
- ⁇ -nucleating agents for the microporous layer basically all known additives are suitable which promote the formation of ⁇ -crystals upon cooling of a polypropylene melt.
- Such ⁇ -nucleating agents, as well as their mode of action in a polypropylene matrix, are per se known in the art and will be described in detail below.
- highly active ⁇ -nucleating agents are preferably used in the porous layer, which upon cooling of the melt film produce a ⁇ content of 30-90%, preferably of 50-80%.
- a two-component nucleation system of calcium carbonate and organic dicarboxylic acids is suitable, which is described in DE 3610644, which is hereby incorporated by reference.
- Particularly advantageous are calcium salts of dicarboxylic acids, such as calcium pimelate or calcium suberate as described in DE 4420989, to which also expressly incorporated by reference.
- the dicarboxamides described in EP-0557721 in particular N, N-dicyclohexyl-2,6-naphthalene dicarboxamide are suitable ß-nucleating agents.
- the cooling of the extruded melt film is preferably carried out at a temperature of 60 to 130 0 C, in particular 80 to 12O 0 C.
- a slow cooling promotes the growth of ⁇ -crystallites also, therefore, the take-off speed, ie the speed at which the melt film on the first chill roller is running, be slow. In a given arrangement of take-off rolls can be ensured by the withdrawal speed, that the film slowly cools to the respective temperature, or is held for a sufficiently long time at this temperature.
- the residence time is preferably 15 to 120 sec.
- the take-off speed is preferably less than 25 m / min, especially 1 to 20 m / min. The higher the proportion of ⁇ crystals in the prefilm, the easier it is to achieve the reticulated porous structures by stretching 2004 / N006 Treofan Germany GmbH & Co. KG 04.10.05
- Particularly preferred embodiments contain from 0.001 to 5 wt .-%, preferably 0.05 to 0.5 wt .-%, in particular 0.1 to 0.3 wt .-% calcium pimelate or calcium suberate in the microporous layer of propylene polymer.
- the microporous label film is single-layered and consists only of the microporous layer. It goes without saying, however, that this monolayer film can optionally be provided with a printing or a coating before it is used as a label film during deep drawing. Of course, in such multilayer films, the surface of the porous layer is in contact with the container and the printing or coating forms the outside of the label.
- the thickness of the film, i. the porous layer in a range of 20 to 150 ⁇ m, preferably 30 to 100 ⁇ m.
- the microporous layer on the outside may be provided with a corona, flame or plasma treatment to improve adhesion to printing inks or coatings.
- the density of the microporous layer is generally in a range of 0.2 to 0.80 g / cm 3 , preferably 0.3 to 0.65 g / cm 3 , with a density of less than 0.6 g / cm 3 is preferred.
- a particularly low density does not lead, as in the case of vacuole-containing, opaque films, to an intensification of the orange peel.
- opaque films teach pamphlets that a too low density by excessive voiding leads to an enhanced orange peel effect. Surprisingly, this is not the case with porous films.
- the density can be reduced to extremely low values of less than 0.5 g / cm 3 and the film can still be applied properly during deep drawing without a disturbing orange peel occurs. 2004 / N006 Treofan Germany GmbH & Co. KG 04.10.05
- the microporous layer can be provided with a further covering layer, the microporous layer, in the case of the use according to the invention of this multilayered embodiment, facing the container and joining to the shaped body during deep drawing.
- the additional cover layer forms the outside of the label.
- the additional covering layer can be applied for example by lamination or lamination of the porous layer with another film. Preferably, it is a coextruded topcoat.
- the thickness of the microporous layer is at least 20 microns, preferably, the thickness of the porous layer in a range of 25 to "lOO ⁇ m, especially 30 to 50 microns
- the thickness of this top layer is generally in a range of 0.5. - 5 microns, preferably 1 - 3 microns.
- the optionally co-extruded topcoat generally contains at least 70% by weight, preferably 75 to ⁇ 100% by weight, especially 90 to 98% by weight, of a polyolefin, preferably a propylene polymer, and optionally further conventional additives such as neutralizing agent, stabilizer, antistatic agents , Lubricant, eg Fatty acid amides or siloxanes or antiblocking agents in effective amounts.
- a polyolefin preferably a propylene polymer
- optionally further conventional additives such as neutralizing agent, stabilizer, antistatic agents , Lubricant, eg Fatty acid amides or siloxanes or antiblocking agents in effective amounts.
- the propylene polymer of the cover layer is, for example, a propylene homopolymer as already described above for the porous layer or a copolymer of propylene and ethylene or propylene and butylene or propylene and another olefin having 5 to 10 carbon atoms.
- terpolymers of ethylene and propylene and butylene or ethylene and propylene and another olefin of 5 to 10 carbon atoms are also suitable for the topcoat.
- mixtures or blends of two or more of said copolymers and terpolymers can be used.
- ethylene-propylene random copolymers and ethylene-propylene-butylene terpolymers are preferred, especially ethylene random copolymers. 2004 / N006 Treofan Germany GmbH & Co. KG 04.10.05
- Propylene copolymers having an ethylene content of 2 to 10 wt .-%, preferably 5 to 8 wt .-%, or ethylene-propylene-butylene-1 terpolymer ethylene having an ethylene content of 1 to 10 wt .-%, preferably 2 to 6 wt .-%, and a Butylen- 1 content of 3 to 20 wt .-%, preferably 8 to 10 wt .-%, each based on the weight of the co- or terpolymer.
- the above-described random copolymers and terpolymers generally have a melt flow index of 1.5 to 30 g / 10 min, preferably from 3 to 15 g / 10 min.
- the melting point is in the range of 105 0 C to 140 0 C.
- the blend of copolymers and terpolymers described above has a melt flow index of 5 to 9 g / 10 min and a melting point of 120 to 150 0 C. All Schmelzflußindices given above are at 230 0 C and a force of 2.16 kg (DIN 53735) measured.
- the surface of this cover layer to improve the printability with a corona, flame or plasma treatment can be provided.
- the density of the film is only insignificantly increased by the non-porous covering layer, which also contains no vacuoles, compared to single-layered embodiments and therefore, for these embodiments as well, is generally in a range from 0.25 to 0.8 g / cm 3, preferably 0, 25 to 0.6 g / cm3, in particular ⁇ 0.5 g / cm3.
- the topcoat may additionally contain customary additives such as stabilizers, neutralizing agents, antiblocking agents, lubricants, antistatic agents, etc., in customary amounts.
- customary additives such as stabilizers, neutralizing agents, antiblocking agents, lubricants, antistatic agents, etc., in customary amounts.
- the porous film for the use according to the invention is preferably prepared by the extrusion process or coextrusion process known per se.
- the procedure is such that the polypropylene, which is mixed with ß-nucleating agent, melted in an extruder and through 2004 / N006 Treofan Germany GmbH & Co. KG 04.10.05
- a flat die is extruded onto a take-off roll, on which the melt solidifies to form the ⁇ -crystallites.
- the corresponding coextrusion takes place together with the cover layer.
- the Abkühltemperaturen and cooling times are chosen so that the highest possible proportion of ß-crystalline polypropylene in the prefilm arises.
- This precursor film with a high proportion of ⁇ -crystalline polypropylene is then biaxially stretched in such a way that, upon drawing, the ⁇ -crystallites are converted into ⁇ -propylene and the network structure is formed.
- the biaxially stretched film is finally heat-set and optionally corona, plasma or flame treated on a surface.
- the biaxial stretching (orientation) will generally be performed sequentially, preferably stretching first longitudinally (in the machine direction) and then transversely (perpendicular to the machine direction).
- the take-off roller or the draw-off rollers in order to promote the formation of a high proportion of beta-crystalline polypropylene at a temperature of 60 to 130 0 C, preferably maintained between 80 and 120 0 C.
- the temperature is less than 140 0 C, preferably 90 to 125 0 C.
- the draw ratio is in a range 2: 1 to 5: 1
- the stretching in the transverse direction is carried out at a temperature of greater than 14O 0 C, preferably at 145 to 160 ° C.
- the transverse stretch ratio is stretched in a range of 3: 1 to 6: 1.
- the biaxial stretching of the film is generally followed by its heat setting (heat treatment), wherein the film at about 0.5 to 10 s at 2004 / N006 Treofan Germany GmbH & Co. KG 04.10.05
- one surface of the film is corona, plasma or flame treated by one of the known methods.
- the film is passed between two conductor elements serving as electrodes, with such high voltage, usually alternating voltage (about 10,000 V and 10,000 Hz), applied between the electrodes so that spraying or corona discharges can take place.
- the spray or corona discharge ionizes the air above the film surface and reacts with the molecules of the film surface to form polar inclusions in the substantially non-polar polymer matrix.
- the treatment intensities are within the usual range, with 38 to 45 mN / m being preferred.
- a film having a porous layer is obtained.
- the film is characterized by a white or opaque appearance.
- the porous layer has a net-like structure (see Figures 1 a and 1 b), which is permeable to gases.
- the gas permeability of the porous layer can be determined, for example, by the Gurley value, which indicates how long the passage of 100 cm 3 of air under defined conditions through the monolayer film lasts.
- embodiments with Gurley values of the porous layer of> 5000 to 300,000 Gurley, preferably 8000 to 250,000 Gurley are also preferred.
- Embodiments can be produced at higher production speeds and therefore have significant economic advantages over the highly transmissive embodiments.
- here can the
- Cooling times are shortened on the take-off roll, whereby the production speed is significantly increased.
- the film is used as a label during deep drawing.
- thick film of thermoplastic polymers at elevated temperature under the action of pneumatic forces or by mechanical action of molds are plastically formed.
- the plastic forming by means of pneumatic forces can be achieved by negative pressure (deep drawing) or overpressure, i. Compressed air done.
- thermalforming in the English language. The methods and their details are described, for example, in Rosato's Plastics Encyclopedia and Dictionary, pages 755-766, to which reference is hereby expressly made.
- Plastic shaping under the action of pneumatic forces takes place, for example, by means of negative pressure, after which the deep-drawn film is usually preformed by means of a top punch.
- thermoforming foil A heating element is mounted over the film surface and heats the film until it deforms in the direction of the molded article. Temperature, negative pressure are selected in the process so that the film forms a form-fitting manner with the inserted label on the molded body and thereby connects to the label. After eliminating the pressure difference and cooling the labeled thermoformed container can be removed.
- thermoforming methods are shown by way of example in FIG. 3 and schematically show deep-drawing devices. Further methods for thermoforming are shown in FIGS.
- deep-drawing basically any suitable evacuable molds and possibly molds can be used.
- melt flow index of the propylene polymers was according to DIN 53 735 2.16 kg load and 230 0 C is measured and at 19O 0 C and 2.16 kg for polyethylene.
- Polypropylene uses the DSC method
- the density is determined according to DIN 53 479, method A.
- the porosity is calculated from the densities of the unevoided PP ( ⁇ pp) and the density of the voided PP ( ⁇ PP v), as follows:
- Gurley value The permeability of the label films was measured with the Gurley Tester 4110, according to ASTM D 726-58. The time is determined the need 100 cm 3 of air to permeate through the label surface of 1 inch 2 (6.452 cm 2). The pressure difference across the film corresponds to the pressure of a water column of 12.4 cm in height. The time required then corresponds to the Gurley value.
- the film had the following composition: about 50% by weight of propylene homopolymer (PP) with an n-heptane-soluble
- the film additionally contained stabilizer and neutralizing agent in conventional amounts.
- the molten polymer mixture was withdrawn after extrusion via a first take-off roll and another rolling center and solidified, then stretched longitudinally, transversely stretched and fixed, the following conditions were selected in detail:
- the porous film thus prepared was about 80 ⁇ m thick and had a density of 0.35 g / cm 3 , and showed a uniform white-opaque appearance.
- the porosity was 56% and the Gurley value was 1040 s.
- a film was produced as described in Example 1. In contrast to example 1, 0.3% by weight, based on the weight of the layer of a dicarboxamide, has now been used as ⁇ -nucleating agent.
- the porous film thus prepared was about 70 ⁇ m thick and had a density of 0.40 g / cm 3 and showed a uniform white-opaque appearance.
- the porosity was 51% and the Gurley value 1200 s.
- Example 3 A film was produced as described in Example 1. The composition has not changed. In contrast to Example 1, a higher take-off speed was selected in the production: 3 m / min (residence time on the take-off roll: 27 sec) and set a take-off temperature of 12O 0 C.
- the porous film thus prepared was about 60 ⁇ m thick and had a density of 0.5 g / cm 3 and showed a uniform white-opaque appearance. The porosity was 41% and the Gurley value 36,000 s.
- a film was produced as described in Example 1. The composition has not changed. In contrast to Example 1, a higher take-off speed of 5 m / min (residence time on the take-off roll: 17 sec) was in the preparation of selected and set a discharge temperature of 115 0 C. The porous film thus prepared was about 90 ⁇ m thick and had a density of 0.5 g / cm 3 and showed a uniform white-opaque appearance. The porosity was 42% and the Gurley value 170,000 s. 2004 / N006 Treofan Germany GmbH & Co. KG 04.10.05
- An opaque three-layer film with a layer structure ABC with a total thickness of 80 ⁇ m was produced by coextrusion and subsequent stepwise orientation in the longitudinal and in the transverse direction.
- the outer layers had a thickness of 0.6 / v ⁇ m each.
- Transverse stretch ratio 8.0 fixation: temperature: 140 ° C.
- the films according to the examples and the comparative example were used as label films in the deep-drawing of a margarine beaker.
- the labels were cut in a cross shape, the blanks stacked and provided in a magazine on the thermoforming system.
- the thermoforming machine was equipped with an upper punch as a forming aid.
- the labels were removed by suction from the magazine and folded so that the surfaces of the cross-shaped label cover the later side walls of the container.
- the folded label was placed in the mold, placed by means of auxiliary core and held by suction.
- thermoforming sheet was formed, whereby it connects to the inserted label.
- microporous films according to Examples 1-4 showed a homogeneous Aus ⁇ see the label surface without blistering or other optical defects, and a good adhesion of the label on the container surface. Surprisingly, the labeled containers do not differ in their optical quality, although the films according to Examples 3 and 4 have significantly lower gas permeabilities than conventional porous films.
Abstract
Description
Claims
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2005800342652A CN101035676B (zh) | 2004-10-07 | 2005-10-05 | 用于深拉法的标签膜 |
ES05796268.0T ES2504440T3 (es) | 2004-10-07 | 2005-10-05 | Lámina para etiquetas para procedimientos de embutición profunda |
PL05796268T PL1796903T3 (pl) | 2004-10-07 | 2005-10-05 | Folia na etykiety dla sposobu formowania głębokotłoczonego |
AU2005293840A AU2005293840B2 (en) | 2004-10-07 | 2005-10-05 | Label film for deep drawing methods |
MX2007003819A MX2007003819A (es) | 2004-10-07 | 2005-10-05 | Pelicula de etiqueta para metodos de estampado. |
KR1020137006856A KR101403547B1 (ko) | 2004-10-07 | 2005-10-05 | 디프 드로잉법을 위한 라벨 필름 |
EP20050796268 EP1796903B1 (de) | 2004-10-07 | 2005-10-05 | Etikettenfolie für tiefziehverfahren |
DK05796268T DK1796903T3 (da) | 2004-10-07 | 2005-10-05 | Etiketfolie til dybtrækningsfremgangsmåde |
CA 2580406 CA2580406C (en) | 2004-10-07 | 2005-10-05 | Label film for deep-drawing methods |
US11/576,938 US7744992B2 (en) | 2004-10-07 | 2005-10-05 | Label film for deep drawing methods |
HK07111580A HK1106189A1 (en) | 2004-10-07 | 2007-10-26 | Label film for deep drawing methods |
US12/786,870 US8431215B2 (en) | 2004-10-07 | 2010-05-25 | Label film for deep drawing methods |
US13/748,824 US8980160B2 (en) | 2004-10-07 | 2013-01-24 | Label film for deep drawing methods |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004048811 | 2004-10-07 | ||
DE102004048811.8 | 2004-10-07 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/576,938 A-371-Of-International US7744992B2 (en) | 2004-10-07 | 2005-10-05 | Label film for deep drawing methods |
US12/786,870 Continuation US8431215B2 (en) | 2004-10-07 | 2010-05-25 | Label film for deep drawing methods |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006040057A1 true WO2006040057A1 (de) | 2006-04-20 |
Family
ID=35966996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/010746 WO2006040057A1 (de) | 2004-10-07 | 2005-10-05 | Etikettenfolie für tiefziehverfahren |
Country Status (14)
Country | Link |
---|---|
US (3) | US7744992B2 (de) |
EP (1) | EP1796903B1 (de) |
KR (2) | KR20070106676A (de) |
CN (2) | CN101035676B (de) |
AU (1) | AU2005293840B2 (de) |
CA (2) | CA2580406C (de) |
DK (1) | DK1796903T3 (de) |
ES (1) | ES2504440T3 (de) |
HK (1) | HK1106189A1 (de) |
MX (1) | MX2007003819A (de) |
PL (1) | PL1796903T3 (de) |
RU (1) | RU2396172C2 (de) |
WO (1) | WO2006040057A1 (de) |
ZA (1) | ZA200703593B (de) |
Cited By (8)
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WO2006099990A1 (de) * | 2005-03-19 | 2006-09-28 | Treofan Germany Gmbh & Co. Kg | Etikettenfolie für blasformverfahren |
WO2009010178A1 (de) | 2007-07-18 | 2009-01-22 | Treofan Germany Gmbh & Co. Kg | Etikettenfolie für tiefziehverfahren |
WO2010066389A1 (de) * | 2008-12-12 | 2010-06-17 | Treofan Germany Gmbh & Co. Kg | Mehrschichtige mikroporöse folie für batterien mit abschaltfunktion |
DE102009005137A1 (de) | 2009-01-15 | 2010-07-22 | Treofan Germany Gmbh & Co. Kg | Etikettenfolie für Tiefziehverfahren |
DE102009060446A1 (de) * | 2009-12-22 | 2011-06-30 | Treofan Germany GmbH & Co. KG, 66539 | Mikroporöse Separator-Folie für Doppelschichtkondensatoren |
US20110214794A1 (en) * | 2007-10-24 | 2011-09-08 | Treofan Germany Gmbh & Co., Kg | Label film for all-round labels |
US8795900B2 (en) | 2008-12-12 | 2014-08-05 | Treofan Germany Gmbh & Co. Kg | Single-layer microporous foil for batteries having shut-off function |
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JP5953968B2 (ja) * | 2011-06-16 | 2016-07-20 | 日本ポリプロ株式会社 | 熱成形容器とその製造方法 |
MX2013014905A (es) | 2011-06-17 | 2014-11-14 | Berry Plastics Corp | Manguito aislante para taza. |
JP6235466B2 (ja) | 2011-06-17 | 2017-11-22 | ベリー プラスチックス コーポレイション | 断熱容器 |
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US9957365B2 (en) | 2013-03-13 | 2018-05-01 | Berry Plastics Corporation | Cellular polymeric material |
RU2015143424A (ru) | 2013-03-14 | 2017-04-19 | Берри Пластикс Корпорейшн | Сосуд |
BR112015031314A2 (pt) * | 2013-06-13 | 2017-07-25 | 3M Innovative Properties Co | fita incluindo filme microporoso |
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CN107787271B (zh) * | 2015-06-29 | 2020-12-04 | 科思创德国股份有限公司 | 制造3d物体的方法 |
RU2598292C1 (ru) * | 2015-06-30 | 2016-09-20 | Юрий Иванович Литницкий | Способ изготовления декоративно-художественных изделий |
CA3013585A1 (en) | 2017-08-08 | 2019-02-08 | Berry Global, Inc. | Insulated container |
DE102018103778B4 (de) * | 2018-02-20 | 2020-04-16 | New Albea Kunststofftechnik Gmbh | Thermo-Umformverfahren sowie Formwerkzeug und Kunststofffolie zur Durchführung dieses Thermo-Umformverfahrens |
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- 2005-10-05 AU AU2005293840A patent/AU2005293840B2/en not_active Ceased
- 2005-10-05 CA CA 2580406 patent/CA2580406C/en not_active Expired - Fee Related
- 2005-10-05 ES ES05796268.0T patent/ES2504440T3/es active Active
- 2005-10-05 EP EP20050796268 patent/EP1796903B1/de not_active Not-in-force
- 2005-10-05 KR KR1020137006856A patent/KR101403547B1/ko not_active IP Right Cessation
- 2005-10-05 US US11/576,938 patent/US7744992B2/en not_active Expired - Fee Related
- 2005-10-05 WO PCT/EP2005/010746 patent/WO2006040057A1/de active Application Filing
- 2005-10-05 MX MX2007003819A patent/MX2007003819A/es active IP Right Grant
- 2005-10-05 CN CN2009102088529A patent/CN101714312B/zh not_active Expired - Fee Related
- 2005-10-05 PL PL05796268T patent/PL1796903T3/pl unknown
- 2005-10-05 RU RU2007116953A patent/RU2396172C2/ru not_active IP Right Cessation
- 2005-10-05 DK DK05796268T patent/DK1796903T3/da active
- 2005-10-05 CA CA 2835523 patent/CA2835523C/en not_active Expired - Fee Related
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Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
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US8968632B2 (en) | 2005-03-19 | 2015-03-03 | Treofan Germany Gmbh & Co. Kg | Label film for blow-moulding method |
WO2006099990A1 (de) * | 2005-03-19 | 2006-09-28 | Treofan Germany Gmbh & Co. Kg | Etikettenfolie für blasformverfahren |
AU2008277977B2 (en) * | 2007-07-18 | 2013-04-18 | Innovia Films America, Inc. | Label film for deep-draw processes |
WO2009010178A1 (de) | 2007-07-18 | 2009-01-22 | Treofan Germany Gmbh & Co. Kg | Etikettenfolie für tiefziehverfahren |
US8974908B2 (en) | 2007-07-18 | 2015-03-10 | Treofan Germany Gmbh & Co. Kg | Label film for deep-draw processes |
US9533476B2 (en) * | 2007-10-24 | 2017-01-03 | Treofan Germany Gmbh & Co. Kg | Label film for all-round labels |
US20110214794A1 (en) * | 2007-10-24 | 2011-09-08 | Treofan Germany Gmbh & Co., Kg | Label film for all-round labels |
US8795900B2 (en) | 2008-12-12 | 2014-08-05 | Treofan Germany Gmbh & Co. Kg | Single-layer microporous foil for batteries having shut-off function |
US8802270B2 (en) | 2008-12-12 | 2014-08-12 | Treofan Germany Gmbh & Co. Kg | Multi-layer microporous film for batteries having shut-off function |
WO2010066389A1 (de) * | 2008-12-12 | 2010-06-17 | Treofan Germany Gmbh & Co. Kg | Mehrschichtige mikroporöse folie für batterien mit abschaltfunktion |
AU2010205815B2 (en) * | 2009-01-15 | 2014-11-13 | Innovia Films America, Inc. | Label film for deep-drawing processes |
WO2010081682A1 (de) | 2009-01-15 | 2010-07-22 | Treofan Germany Gmbh & Co. Kg | Etikettenfolie für tiefziehverfahren |
DE102009005137A1 (de) | 2009-01-15 | 2010-07-22 | Treofan Germany Gmbh & Co. Kg | Etikettenfolie für Tiefziehverfahren |
US9446554B2 (en) | 2009-01-15 | 2016-09-20 | Treofan Germany GmbH & Co. | Label film for deep-drawing processes |
DE102009060446A1 (de) * | 2009-12-22 | 2011-06-30 | Treofan Germany GmbH & Co. KG, 66539 | Mikroporöse Separator-Folie für Doppelschichtkondensatoren |
EP3495140B1 (de) | 2016-08-02 | 2021-03-10 | Japan Polypropylene Corporation | Zierfolie und verfahren zur herstellung eines zierformkörpers damit |
US11511529B2 (en) | 2016-08-02 | 2022-11-29 | Japan Polypropylene Corporation | Decorative film and method for producing decorative molded body using same |
Also Published As
Publication number | Publication date |
---|---|
HK1106189A1 (en) | 2008-03-07 |
US8431215B2 (en) | 2013-04-30 |
DK1796903T3 (da) | 2014-09-22 |
US8980160B2 (en) | 2015-03-17 |
KR20070106676A (ko) | 2007-11-05 |
US20080044617A1 (en) | 2008-02-21 |
EP1796903B1 (de) | 2014-06-25 |
EP1796903A1 (de) | 2007-06-20 |
US7744992B2 (en) | 2010-06-29 |
PL1796903T3 (pl) | 2014-11-28 |
ZA200703593B (en) | 2008-10-29 |
ES2504440T3 (es) | 2014-10-08 |
RU2396172C2 (ru) | 2010-08-10 |
CN101035676B (zh) | 2011-04-13 |
AU2005293840A1 (en) | 2006-04-20 |
CN101714312A (zh) | 2010-05-26 |
CA2580406C (en) | 2014-09-16 |
KR101403547B1 (ko) | 2014-06-03 |
CA2835523A1 (en) | 2006-04-20 |
CA2580406A1 (en) | 2006-04-20 |
RU2007116953A (ru) | 2008-11-20 |
US20100255287A1 (en) | 2010-10-07 |
KR20130041349A (ko) | 2013-04-24 |
CA2835523C (en) | 2014-12-09 |
MX2007003819A (es) | 2007-06-05 |
CN101714312B (zh) | 2012-10-10 |
CN101035676A (zh) | 2007-09-12 |
AU2005293840B2 (en) | 2010-06-10 |
US20130134625A1 (en) | 2013-05-30 |
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