WO2006059584A1 - ポリエステル系樹脂フィルムおよびその製造方法。 - Google Patents
ポリエステル系樹脂フィルムおよびその製造方法。 Download PDFInfo
- Publication number
- WO2006059584A1 WO2006059584A1 PCT/JP2005/021836 JP2005021836W WO2006059584A1 WO 2006059584 A1 WO2006059584 A1 WO 2006059584A1 JP 2005021836 W JP2005021836 W JP 2005021836W WO 2006059584 A1 WO2006059584 A1 WO 2006059584A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- melting point
- temperature
- polyester
- melting
- film
- Prior art date
Links
- 229920001225 polyester resin Polymers 0.000 title claims abstract description 89
- 239000004645 polyester resin Substances 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000002844 melting Methods 0.000 claims abstract description 129
- 230000008018 melting Effects 0.000 claims abstract description 127
- 229920005989 resin Polymers 0.000 claims abstract description 38
- 239000011347 resin Substances 0.000 claims abstract description 38
- 239000002994 raw material Substances 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims description 18
- 229920000728 polyester Polymers 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 239000000203 mixture Substances 0.000 abstract description 15
- 238000004806 packaging method and process Methods 0.000 abstract description 15
- 229920006267 polyester film Polymers 0.000 abstract description 15
- 239000000463 material Substances 0.000 abstract description 8
- 230000014759 maintenance of location Effects 0.000 abstract description 4
- 229920006280 packaging film Polymers 0.000 abstract description 2
- 239000012785 packaging film Substances 0.000 abstract description 2
- 235000013361 beverage Nutrition 0.000 abstract 1
- 238000009512 pharmaceutical packaging Methods 0.000 abstract 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 30
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 30
- 239000010410 layer Substances 0.000 description 18
- 229920001577 copolymer Polymers 0.000 description 16
- 239000002253 acid Substances 0.000 description 13
- 150000002009 diols Chemical class 0.000 description 12
- 239000008188 pellet Substances 0.000 description 12
- 229920000139 polyethylene terephthalate Polymers 0.000 description 12
- 239000005020 polyethylene terephthalate Substances 0.000 description 12
- ORLQHILJRHBSAY-UHFFFAOYSA-N [1-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1(CO)CCCCC1 ORLQHILJRHBSAY-UHFFFAOYSA-N 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 6
- -1 polyethylene terephthalate Polymers 0.000 description 6
- 230000003068 static effect Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 238000005809 transesterification reaction Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- 239000003205 fragrance Substances 0.000 description 4
- 238000009998 heat setting Methods 0.000 description 4
- YPFDHNVEDLHUCE-UHFFFAOYSA-N propane-1,3-diol Chemical compound OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 4
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229920000298 Cellophane Polymers 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000009477 glass transition Effects 0.000 description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 description 2
- YUOHSANGENZMDS-UHFFFAOYSA-N CO.CO.O=C1CCCCC1 Chemical compound CO.CO.O=C1CCCCC1 YUOHSANGENZMDS-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000001361 adipic acid Substances 0.000 description 2
- 235000011037 adipic acid Nutrition 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- VEIOBOXBGYWJIT-UHFFFAOYSA-N cyclohexane;methanol Chemical compound OC.OC.C1CCCCC1 VEIOBOXBGYWJIT-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000001938 differential scanning calorimetry curve Methods 0.000 description 2
- 239000000539 dimer Substances 0.000 description 2
- 150000002148 esters Chemical group 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 230000002087 whitening effect Effects 0.000 description 2
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- AAEHPKIXIIACPQ-UHFFFAOYSA-L calcium;terephthalate Chemical compound [Ca+2].[O-]C(=O)C1=CC=C(C([O-])=O)C=C1 AAEHPKIXIIACPQ-UHFFFAOYSA-L 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000019219 chocolate Nutrition 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JARHXLHLCUCUJP-UHFFFAOYSA-N ethene;terephthalic acid Chemical group C=C.OC(=O)C1=CC=C(C(O)=O)C=C1 JARHXLHLCUCUJP-UHFFFAOYSA-N 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 231100000897 loss of orientation Toxicity 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N naphthalene-acid Natural products C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
Classifications
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
-
- 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
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/267—Intermediate treatments, e.g. relaxation, annealing or decompression step for the melt
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92266—Mechanical properties
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92323—Location or phase of measurement
- B29C2948/92485—Start-up, shut-down or parameter setting phase; Emergency shut-down; Material change; Test or laboratory equipment or studies
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92761—Mechanical properties
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/9298—Start-up, shut-down or parameter setting phase; Emergency shut-down; Material change; Test or laboratory equipment or studies
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of 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
- B29K2067/00—Use of polyesters 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
- B29K2105/0088—Blends of polymers
-
- 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
- B29K2105/25—Solid
- B29K2105/253—Preform
- B29K2105/256—Sheets, plates, blanks or films
-
- 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
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/005—Oriented
-
- 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
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
-
- 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
- B29L2031/712—Containers; Packaging elements or accessories, Packages
-
- 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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]
Definitions
- the present invention relates to an easily tearable and easily bendable polyester film. More specifically, it maintains the practical characteristics without losing strength, heat resistance, fragrance retention, water resistance, etc., which are the excellent properties of stretched polyester films, and has good hand cutting, folding, and twist fixing properties.
- the present invention relates to a stretched polyester film useful as a packaging film comprising
- cellophane has been known as a film having excellent hand cutting and twisting properties.
- Cellophane is widely used for various packaging materials and adhesive tapes due to its excellent transparency, easy cutting properties, twistability and other characteristics.
- cellophane has a hygroscopic property, its characteristics fluctuate depending on the season and it was difficult to always supply a product of a certain quality.
- stretched polyethylene terephthalate film is used as a packaging bag, and it has excellent characteristics such as toughness, heat resistance, water resistance, and transparency.
- it has the following disadvantages: it cannot be used in these packaging without easy tearing, folding and twisting properties.
- Patent Document 1 Japanese Patent No. 356] .919
- At least one side of the polyester resin layer (A) has a melting point higher by 10 ° C or more than the melting point of the polyester resin layer (A) and is 5% or more and 60% or less with respect to the total thickness.
- a polyester film comprising a mixture of a polyester resin (A) and a polyester resin (B), wherein the acid component of the polyester resin (A) is mainly terephthalic acid or diol.
- the component is mainly ethylene glycol
- the acid component of polyester resin (B) is mainly terephthalic acid
- polyester resin (A) and polyester resin A mass ratio with (B) AZB force of 95Z5 to 30Z70 has been proposed.
- Patent Document 2 JP 2003-155403 A
- a polyester film that has a mixture power of polyester resin ( ⁇ ) and polyester resin ( ⁇ ), and has an acid component mainly of terephthalic acid and a diol component. It is mainly ethylene glycol, the acid component of polyester resin ( ⁇ ) is mainly terephthalic acid, contains cyclohexanedimethanol as a diol component, and the mass of polyester resin ( ⁇ ) and polyester resin ( ⁇ ) Polyester film with excellent hand cutting characteristics, characterized by a specific strength of 95-5 to 30 70, is excellent in hand cutting but not easy to bend. It was difficult.
- the acid component is mainly terephthalic acid
- the diol component is mainly ethylene glycol.
- the compatibility with the polyester resin (A) is improved, it becomes easier to proceed in the direction of homogenization, and the original composition is a polyester in which the acid component is mainly terephthalic acid and the diol component is mainly ethylene glycol.
- the terephthalic acid and ethylene glycol derived from the polyester resin (A) which is not a mixture of the resin resin (A) and the polyester resin (B) containing mainly terephthalic acid as the diol component and cyclohexanedimethanol as the diol component.
- it becomes a copolymer of terephthalic acid and cyclohexanedimethanol derived from polyester resin (B) it was difficult to obtain stable quality.
- a polyester film having a mixture power of polyester resin (A) and polyester resin (B) is provided.
- the acid component of the fat (A) is mainly terephthalic acid
- the diol component is mainly ethylene glycol
- the acid component of the polyester resin (B) is mainly terephthalic acid
- cyclohexanedimethanol is contained as the diol component.
- the mass ratio of the polyester resin (A) to the polyester resin (B) has an AZB force of 95Z5 to 30Z70.
- polyester resin ( ⁇ ) As the decomposition of ( ⁇ ) proceeds further, the compatibility with polyester resin ( ⁇ ) is further improved, and terephthalic acid and ethylene glycol derived from polyester resin ( ⁇ ) and polyester resin ( ⁇ ) Since it is a copolymer of terephthalic acid and cyclohexane dimethanol, it is difficult to obtain stable quality.
- FIG. 1 shows a puncture strength measuring jig and a puncture strength measuring method.
- the present invention has been made against the background of the problems of the prior art. In particular, it pays attention to easy bendability and twistability, has the property of being folded like paper, and the excellent properties of a polyester film. This was achieved by conducting research for the purpose of obtaining industrially stable films having certain strength, heat resistance, moisture resistance, transparency, and fragrance retention.
- the present invention relates to a method for preparing a film by mixing and extruding two or more types of polyester resin raw materials having different melting points or melting temperatures, and then charging each raw material into separate extruders to melt them. After being stretched at least uniaxially, the melting point or melting temperature is the lowest after the sheet obtained by feeding to one mixing device, mixing and extruding as it is, 3% higher than the melting point or melting temperature of the resin raw material.
- a process for producing a polyester-based resin film characterized by being heat-treated at a low temperature and at a temperature higher than ° C.
- the ratio of the resin having a melting point not higher than 3 ° C higher than the heat treatment temperature in the film is not less than 20% by weight and not more than 65% by weight.
- the melting point of the resin having the highest melting point in the film is 245 ° C or higher.
- the melting temperature difference between the resin having the highest melting point and the resin having the lowest melting point or melting temperature is 15 ° C. or more.
- the film is excellent in hand cutting properties and twisting properties.
- Another aspect of the present invention is a polyester having two or more different melting points or melting temperatures.
- each raw material is put into a separate extruder, melted, then fed into one mixing device in the molten state, mixed and extruded
- the ratio of the resin having a melting point not higher than 3 ° C higher than the heat treatment temperature of the film is not less than 20% by weight and not more than 65% by weight.
- the ratio of the resin having a melting point not higher than 3 ° C higher than the heat treatment temperature in the film is not less than 20% by weight and not more than 65% by weight.
- the highest melting point of the resin in the film has a melting point of 245 ° C. or higher.
- the melting temperature difference between the resin having the highest melting point and the resin having the lowest melting point or melting temperature is 15 ° C. or more.
- the film is excellent in hand cutting properties and twisting properties.
- the polyester-based resin film according to the present invention has excellent properties such as heat resistance, cold resistance, moisture resistance, transparency, and fragrance, yet has excellent properties such as easy tearing and easy bending. It is a laminated film. By improving the ease of opening, it is possible to open any position force without providing a notch in the packaging bag and without using a bag or the like. Furthermore, it has an advantage that it can be suitably used for folding packaging and twist packaging of chocolate, candy, gum, etc. due to its excellent foldability.
- the method for producing a film is a method of producing a film by mixing and extruding two or more kinds of polyester resin raw materials having different melting points or different melting temperatures. After being put into a machine and melted, it is obtained by being fed into one mixing apparatus in the molten state, mixed and extruded.
- the polyester resin used in the present invention includes, for example, polyethylene terephthalate, polyethylene naphthalate, or a copolymer mainly composed of these constituents as the polyester resin having a high melting point.
- trimethylene glycol (propylene glycol), butanediol, diethylene glycol, cyclohexanone dimethanol as glycol components , Cyclohexanedimethanol, neopentyl glycol and the like are used. Moreover, it can be used according to the design such as random polymerization resin and block polymerization resin.
- the melting point of the polyester resin on the high melting point side is preferably 245 ° C or higher in order to maintain the heat resistance, rigidity, moisture resistance and transparency of the film. More preferably, it is 250 ° C or higher.
- the melting point of the polyester resin on the high melting point side is less than 245 ° C, the heat resistance of the film, for example, deformation or melting at the time of processing causes problems.
- the polyester resin having a low melting point or a low melting temperature is mainly composed of terephthalic acid as an acid component and ethylene glycol as a glycol component, for example, isophthalic acid or sebacic acid as an acid component.
- Adipic acid, dimer acid, etc. or glycol components such as trimethylene glycol, butanediol, diethylene glycol, cyclohexanone dimethanol, cyclohexane dimethanol, neopentyl glycol, etc. Fat is used.
- it can be used according to the design, such as random polymerization resin and block polymerization resin.
- the melting point or melting temperature of the polyester resin having a low melting point or low melting temperature in the present invention is 1 higher than the melting point of the polyester resin having the highest melting point used in the present invention. It is preferable that the temperature is 5 ° C or more low, more preferably 20 ° C or more low.
- the glass transition temperature of the polyester resin used in the present invention is preferably 65 ° C or higher, more preferably 70 ° C or higher.
- the polyester resin used in the present invention is one obtained by melt polycondensation reaction or subsequently solid phase polymerization.
- the intrinsic viscosity is preferably from 0.55 to L55, more preferably from 0.58 to L20. If the intrinsic viscosity is less than 0.55, the film becomes too brittle. Therefore, the strength of the film becomes insufficient, and when it exceeds 1.55, it becomes difficult to form a film.
- the melting point or melting temperature is the lowest, and heat treatment can be performed at a temperature of 3 ° C lower than the melting point or melting temperature of the resin raw material, and more preferably the melting point or melting temperature. Heat treatment at a temperature higher than the solution temperature.
- the orientation of the stretching disappears by heat-treating the raw material having a low melting temperature at a temperature not lower than the melting point or the melting temperature of 3 ° C or more, so that the orientation of stretching disappears, which is the object of the present invention. It is thought that the cutting ability and the twisting ability are expressed. Further, it was found that the film having such a structure had a puncture strength measured by the following method of 8. ON or less.
- the puncture strength is preferably 6.5N or less, more preferably 5.5N or less, and particularly preferably 4.5N or less.
- the proportion of the resin having a melting point of 3 ° C higher than the heat treatment temperature and lower than the temperature can be 20 wt% or more and 65 wt% or less, preferably 25 wt% or more. It is 50% by weight or less, more preferably 30% by weight or more and 45% by weight or less.
- the proportion of the resin having a melting point not higher than 3 ° C higher than the heat treatment temperature is less than 20% by weight, it is possible to obtain hand cutting properties and twisting properties that are less affected by the loss of orientation. I can't. Further, if it exceeds 65 weight 0/0, toughness is a feature of the polyester film, heat In addition, it is difficult to obtain the properties and noirity, and film melting occurs in the heat treatment process, making film production difficult.
- PET polyethylene terephthalate
- CHDM copolymer poly (ethylene terephthalate) ethylene glycol neopentyl glycol copolymer
- PET melting point 255 ° C
- CHDM copolymer melting temperature about 180 ° C
- the difference in melting point between the two is 70 ° C or higher. Therefore, when the two are blended with the step force of a resin chip, the temperature of the extruder must be set above the melting point of PET. is there. Normally, it is set to 280 ° C or higher in consideration of production stability.
- CHDM copolymer has a faster decomposition rate than PET, extrusion is preferably performed at a low temperature, but it must be matched to the melting conditions of PET with a high melting point, resulting in a decrease in the molecular weight of CHDM copolymer. Or low molecular weight products.
- examples of the machine base for mixing the melted polyester resin include a usual single screw extruder, a twin screw extruder, a dynamic mixer, a static mixer, and the like.
- a normal single-screw or twin-screw extruder when mixing separately melted resin, so that the two are not mixed and compatible with each other too much, when using a normal single-screw or twin-screw extruder, the one with a small compression ratio, the entire extruder screw And the one with small LZD of the compression part is required.
- a static mixer for example, manufactured by Noritake Camper, is an element in which rectangular plates are twisted 180 degrees in a resin flow path and arranged alternately. The number of layers doubles every time one is passed. Therefore, theoretically, when n elements are passed, it becomes 2 n layers, but in reality it may change depending on the relationship between the flow path diameter, the discharge rate, the viscosity and surface tension of each resin. In the present invention, it is preferable that the number of layers in the region of 2 m thickness is 5 layers or more, preferably 50 layers or more, at least in the center in the thickness direction of the film.
- the mixing step it is preferable to use a static mixer in order to obtain a more optimal degree of dispersion.
- the number of elements in the static mixer is preferably 8 or more and 32 or less, more preferably 12 or more and 28 or less.
- the polyester raw material supplied to each extruder may be a single raw material or a mixture.
- silicon dioxide, kaolin, clay, calcium carbonate, calcium terephthalate, aluminum oxide, titanium oxide, calcium phosphate, silicone particles, if necessary, stabilizer, colorant, antioxidant, antifoaming agent, antistatic agent , Etc. can be contained. Even in a mixture, it is preferable that the main component of each raw material is 60% or more, more preferably 80% or more, and still more preferably 90% or more is a single raw material.
- Polyester terephthalate (A) used is polyethylene terephthalate terephthalate (extreme viscosity 0.62; melting point 255 ° C, RE554, Toyobo Co., Ltd.) previously added with 2000 ppm of silicon dioxide (Fuji Silysia Silica 310). , Put into 60mm ⁇ extruder (I)
- polyester resin (B) a terephthalic acid ethylene glycol-cyclohensan dimethanol copolymer containing 30 mol% of cyclohensandimethanol (extreme viscosity of 0.75, softening temperature of the resin of 180 ° C, Toyo FP301) manufactured by Spinning Co., Ltd. was put into another 60mm ⁇ extruder ( ⁇ ) and melted at 250 ° C.
- the mixture was introduced into a 90 mm ⁇ extruder (III) and mixed, and the T-die force was also extruded at 265 ° C to obtain an unstretched sheet having a thickness of 300 m.
- the obtained unstretched sheet was pulverized, extruded into a strand shape at 285 ° C using a 45mm ⁇ biaxial extruder, cut after water cooling, and then recycled pellets (1) were obtained.
- Polyester resin A was charged into a 60 mm ⁇ extruder (I) and melted at 285 ° C.
- polyester resin (B) and the above-mentioned recycled pellets (1) in weight ratio (B) Z (1) 5
- the unstretched sheet was guided to a roll stretching machine, stretched 3.5 times at 95 ° C in the machine direction, and stretched 4.2 times at 105 ° C in the transverse direction by a tenter.
- a film with a thickness of 16 / zm was obtained by heat setting at 220 ° C. while relaxing 3% in the transverse direction in the tenter.
- the characteristic values are shown in Table 1.
- Recycled pellets and films were obtained in the same manner as in Example 1, except that a static mixer (12 elements, cylinder temperature 260 ° C) was used instead of the extruder ( ⁇ ).
- Example 1 As a polyester resin (C) instead of polyester resin (B), a terephthalic acid-isophthalic acid-ethylene glycol copolymer containing 15 mol% of isophthalic acid (intrinsic viscosity 0.67, A recycled pellet and a film were obtained in the same manner as in Example 1 except that the melting point was 217 ° C.
- the obtained unstretched sheet was pulverized, extruded into a strand shape at 285 ° C using a 45 mm ⁇ twin-screw extruder, cut after water cooling, and recycled pellets (2) were obtained.
- Example 1 A film having a thickness of 16 ⁇ m was obtained in the same manner as in Example 1 except that the heat setting temperature of Example 1 was changed to 180 ° C.
- the characteristic values are shown in Table 1.
- recycled pellets (3) were prepared using unstretched sheets mixed in an extruder (III) at 260 ° C in the molten state.
- polyester resin (A) was fed into a 60 mm ⁇ extruder (I) and melted at 285 ° C.
- polyester resin (B) and the above-mentioned recycled pellets (3) in a weight ratio of (B) Z (1) 7
- the T-die force was also extruded to obtain an unstretched sheet having a thickness of 235 ⁇ m.
- Example 1 Using the obtained sheet, a film having a thickness of 16 ⁇ m was obtained in the same manner as in Example 1. Table 1 shows the characteristic values.
- polyester resin ( ⁇ ) into 60mm ⁇ extruder (I) and melt at 285 ° C. did.
- polyester resin (B) and the above-mentioned recycled pellets (4) by weight ratio (B) / (1) 35
- polyester resin raw materials having different melting points or melting temperatures are mixed and extruded to form films.
- the melted state is supplied to a single mixing device, and the sheet obtained by mixing and extruding is stretched at least in the uniaxial direction, and then the melting point or melting temperature is the highest. 3 ° C lower than the melting point or melting temperature of a low-resin raw material, and produced by a method for producing a polyester-based resin film with excellent hand cutting and twisting characteristics, characterized by heat treatment at a temperature higher than that. It can be seen that the polyester resin film has excellent hand cutting and twisting properties. Further, the films of Examples 1, 2, and 3 had a puncture strength of 8. ON or less.
- the film obtained by the present invention has an easy tear property and an excellent twist property, It can be suitably used in a wide range of fields, such as stick packaging, PTP packaging, medicine bags, twist packaging, folding packaging, or lid materials, which require openability, and contributes to the industry.
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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EP20050811707 EP1829668A1 (en) | 2004-12-01 | 2005-11-29 | Polyester resin film and process for producing the same |
KR1020077012178A KR101242341B1 (ko) | 2004-12-01 | 2005-11-29 | 폴리에스테르계 수지 필름 및 그의 제조 방법 |
US11/792,004 US20080193783A1 (en) | 2004-12-01 | 2005-11-29 | Polyester Resin Film and Process for Producing the Same |
CN2005800296194A CN101022940B (zh) | 2004-12-01 | 2005-11-29 | 聚酯类树脂薄膜及其制造方法 |
Applications Claiming Priority (2)
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JP2004348275 | 2004-12-01 | ||
JP2004-348275 | 2004-12-01 |
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WO2006059584A1 true WO2006059584A1 (ja) | 2006-06-08 |
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PCT/JP2005/021836 WO2006059584A1 (ja) | 2004-12-01 | 2005-11-29 | ポリエステル系樹脂フィルムおよびその製造方法。 |
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US (1) | US20080193783A1 (ja) |
EP (1) | EP1829668A1 (ja) |
JP (1) | JP2006182021A (ja) |
KR (1) | KR101242341B1 (ja) |
CN (1) | CN101022940B (ja) |
WO (1) | WO2006059584A1 (ja) |
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WO2005105440A1 (ja) * | 2004-04-30 | 2005-11-10 | Toyo Boseki Kabushiki Kaisaha | 易引裂き性2軸延伸ポリエステル系フィルム |
JP5820562B2 (ja) * | 2009-05-12 | 2015-11-24 | 旭化成ケミカルズ株式会社 | プレススルーパック用蓋材フィルム及び包装体 |
CN102816417B (zh) * | 2012-08-28 | 2013-11-27 | 山东圣和塑胶发展有限公司 | 一种热收缩聚酯薄膜及其制备方法 |
US9656447B2 (en) | 2012-08-31 | 2017-05-23 | Toray Plastics (America), Inc. | Lidding structure based on aromatic polyester film, extrusion-coated with a sealable/peelable copolyester layer |
JP6687534B2 (ja) * | 2014-12-02 | 2020-04-22 | 東洋紡株式会社 | 包装用フィルムおよび包装袋 |
KR102656657B1 (ko) * | 2023-04-12 | 2024-04-11 | 에스케이케미칼 주식회사 | 폴리에스테르 연신 필름 및 이의 제조방법 |
Citations (2)
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JP2001335682A (ja) * | 2000-05-30 | 2001-12-04 | Unitika Ltd | 金属板ラミネート用ポリエステルフィルム |
JP2003268131A (ja) * | 2002-01-11 | 2003-09-25 | Toyobo Co Ltd | ポリエステルフィルム |
Family Cites Families (13)
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JPS5610451A (en) * | 1979-07-05 | 1981-02-02 | Toray Industries | Resin coated metallic plate for vessel |
US5308668A (en) * | 1990-05-14 | 1994-05-03 | Kuriron Kasei Ltd. | Multilayer film made of synthetic resin |
WO1994011420A1 (en) * | 1992-11-06 | 1994-05-26 | Daicel Chemical Industries, Ltd. | Easily tearable film and method of manufacturing the same |
CA2129435C (en) * | 1992-12-04 | 2007-01-09 | Masahiro Kimura | Polyester film for thermal lamination |
JP3307716B2 (ja) * | 1993-04-28 | 2002-07-24 | 三菱化学ポリエステルフィルム株式会社 | 高感度感熱孔版印刷原紙用フィルム |
EP0646455B1 (en) * | 1993-10-04 | 2000-06-14 | Teijin Limited | Laminated polyester film for use as film with which metal plate is to be laminated |
US5814385A (en) * | 1994-07-19 | 1998-09-29 | Teijin Limited | Laminated polyester film to be laminated onto metal plate |
JP2980817B2 (ja) * | 1994-10-18 | 1999-11-22 | 帝人株式会社 | 金属板貼合せ成形加工用ポリエステルフイルム |
SE0000055D0 (sv) * | 2000-01-10 | 2000-01-10 | Centaur Pharmaceuticals Inc | Novel process |
CN1205030C (zh) * | 2000-05-30 | 2005-06-08 | 尤尼吉可株式会社 | 金属片材层压用聚酯薄膜,与该薄膜层压的金属片材以及由该金属片材形成的金属容器 |
EP1186633B1 (en) * | 2000-09-05 | 2005-06-08 | Toyo Boseki Kabushiki Kaisha | Polyester film, use thereof and metal laminated sheet made of said film, and metal can and metal lid made of the sheet |
EP1489139B1 (en) * | 2002-03-07 | 2007-06-27 | Toray Industries, Inc. | Polyester film and gas-barrier polyester film |
CN1835994B (zh) * | 2003-08-19 | 2010-08-25 | 东洋纺织株式会社 | 聚酯薄膜 |
-
2005
- 2005-11-29 CN CN2005800296194A patent/CN101022940B/zh not_active Expired - Fee Related
- 2005-11-29 JP JP2005343328A patent/JP2006182021A/ja not_active Withdrawn
- 2005-11-29 EP EP20050811707 patent/EP1829668A1/en not_active Withdrawn
- 2005-11-29 US US11/792,004 patent/US20080193783A1/en not_active Abandoned
- 2005-11-29 WO PCT/JP2005/021836 patent/WO2006059584A1/ja active Application Filing
- 2005-11-29 KR KR1020077012178A patent/KR101242341B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001335682A (ja) * | 2000-05-30 | 2001-12-04 | Unitika Ltd | 金属板ラミネート用ポリエステルフィルム |
JP2003268131A (ja) * | 2002-01-11 | 2003-09-25 | Toyobo Co Ltd | ポリエステルフィルム |
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KR20070090169A (ko) | 2007-09-05 |
KR101242341B1 (ko) | 2013-03-12 |
CN101022940B (zh) | 2011-11-30 |
CN101022940A (zh) | 2007-08-22 |
JP2006182021A (ja) | 2006-07-13 |
EP1829668A1 (en) | 2007-09-05 |
US20080193783A1 (en) | 2008-08-14 |
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