WO2005108051A1 - 流体移送部材 - Google Patents
流体移送部材 Download PDFInfo
- Publication number
- WO2005108051A1 WO2005108051A1 PCT/JP2005/007132 JP2005007132W WO2005108051A1 WO 2005108051 A1 WO2005108051 A1 WO 2005108051A1 JP 2005007132 W JP2005007132 W JP 2005007132W WO 2005108051 A1 WO2005108051 A1 WO 2005108051A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- copolymer
- transfer member
- fluid transfer
- layer
- monomer
- Prior art date
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- 239000012530 fluid Substances 0.000 title claims abstract description 44
- 238000012546 transfer Methods 0.000 title claims abstract description 42
- 229920001577 copolymer Polymers 0.000 claims abstract description 167
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 45
- 229920000642 polymer Polymers 0.000 claims abstract description 38
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000011737 fluorine Substances 0.000 claims abstract description 29
- 239000011368 organic material Substances 0.000 claims abstract description 21
- 239000000178 monomer Substances 0.000 claims description 75
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 44
- -1 perfluoro Chemical group 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 30
- 229910052799 carbon Inorganic materials 0.000 claims description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 125000001153 fluoro group Chemical group F* 0.000 claims description 14
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 12
- 239000004065 semiconductor Substances 0.000 claims description 12
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- 239000004811 fluoropolymer Substances 0.000 claims description 11
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- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 8
- MIZLGWKEZAPEFJ-UHFFFAOYSA-N 1,1,2-trifluoroethene Chemical group FC=C(F)F MIZLGWKEZAPEFJ-UHFFFAOYSA-N 0.000 claims description 6
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- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 claims 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims 2
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- BCCOBQSFUDVTJQ-UHFFFAOYSA-N octafluorocyclobutane Chemical compound FC1(F)C(F)(F)C(F)(F)C1(F)F BCCOBQSFUDVTJQ-UHFFFAOYSA-N 0.000 description 4
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- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
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- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
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- 150000007945 N-acyl ureas Chemical group 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
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- 239000004697 Polyetherimide Substances 0.000 description 1
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- 229920006361 Polyflon Polymers 0.000 description 1
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- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
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- GKXVJHDEWHKBFH-UHFFFAOYSA-N [2-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=CC=C1CN GKXVJHDEWHKBFH-UHFFFAOYSA-N 0.000 description 1
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- XTKDAFGWCDAMPY-UHFFFAOYSA-N azaperone Chemical compound C1=CC(F)=CC=C1C(=O)CCCN1CCN(C=2N=CC=CC=2)CC1 XTKDAFGWCDAMPY-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000012662 bulk polymerization Methods 0.000 description 1
- LRHPLDYGYMQRHN-UHFFFAOYSA-N butyl alcohol Substances CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 1
- 125000001951 carbamoylamino group Chemical group C(N)(=O)N* 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 125000005708 carbonyloxy group Chemical group [*:2]OC([*:1])=O 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 229930003836 cresol Natural products 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000001941 electron spectroscopy Methods 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910021385 hard carbon Inorganic materials 0.000 description 1
- WNLRTRBMVRJNCN-UHFFFAOYSA-N hexanedioic acid Natural products OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000004255 ion exchange chromatography Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 125000003355 oxamoyl group Chemical group C(C(=O)N)(=O)* 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- RJCRUVXAWQRZKQ-UHFFFAOYSA-N oxosilicon;silicon Chemical compound [Si].[Si]=O RJCRUVXAWQRZKQ-UHFFFAOYSA-N 0.000 description 1
- 125000005702 oxyalkylene group Chemical group 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 150000004978 peroxycarbonates Chemical class 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000921 polyethylene adipate Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- RGBXDEHYFWDBKD-UHFFFAOYSA-N propan-2-yl propan-2-yloxy carbonate Chemical compound CC(C)OOC(=O)OC(C)C RGBXDEHYFWDBKD-UHFFFAOYSA-N 0.000 description 1
- YPVDWEHVCUBACK-UHFFFAOYSA-N propoxycarbonyloxy propyl carbonate Chemical compound CCCOC(=O)OOC(=O)OCCC YPVDWEHVCUBACK-UHFFFAOYSA-N 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000005211 surface analysis Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
- B32B1/08—Tubular products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/10—Polypropylene
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L2011/047—Hoses, i.e. flexible pipes made of rubber or flexible plastics with a diffusion barrier layer
-
- 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]
-
- 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]
- Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
- Y10T428/1393—Multilayer [continuous layer]
-
- 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]
- Y10T428/31536—Including interfacial reaction product of adjacent layers
-
- 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]
- Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
- Y10T428/31544—Addition polymer is perhalogenated
Definitions
- the present invention relates to a fluid transfer member.
- Tetrafluoroethylene Z-perfluoro (alkyl butyl ether) copolymer Molded articles such as strong tubes have chemical resistance and are less likely to contaminate liquids flowing through them. Until now, it has been used as a piping material for transferring high-purity liquids, especially for semiconductor manufacturing equipment. However, the PFA tube has a problem that the chemical permeability is large.
- PCTFE polyclonal trifluoroethylene
- the copolymer of CTFE also, TFE and Z or CTFE50 ⁇ 99. 8 mol%, the fluorine-containing monomer 0.1 to 49 other than TFE and CTFE. 99 mole 0/0, and, Itakon acid, At least one compound selected from citraconic acid and their acid anhydrides has been proposed to have a fluorine-containing polymer having a copolymer composition of 0.01 to 5 mol% (for example, see Patent Document 2; ).
- This fluoropolymer is required to have a compound such as itaconic acid as a copolymer composition for the purpose of improving adhesive strength.
- specific disclosure has been made on a fluoropolymer having both TFE and CTFE as a copolymer composition.
- Patent Document 1 JP-A-9-137900
- Patent Document 2 European Patent Application Publication No. 1375539
- An object of the present invention is to provide a fluid transfer member having both heat resistance at the time of molding, stress crack resistance, and low permeability of a chemical solution in view of the above situation.
- the present invention relates to a laminate comprising a layer [P] composed of a fluorine-containing polymer and a Z or fluorine-free organic material, and a layer [Q] composed of a black trifluoroethylene copolymer.
- a fluid transfer member characterized in that:
- the fluid transfer member of the present invention also has a laminate force including the layer [P] and the layer [Q].
- the layer [P] is made of a fluoropolymer and an organic material containing no Z or fluorine.
- the fluorine-containing polymer is a polymer having at least one fluorine atom.
- the fluoropolymers include tetrafluoroethylene [TFE] Z perfluoro (alkyl vinyl ether) [PAVE] copolymer, TFEZ hexafluoropropylene [HFP] copolymer, and ethylene [Et] ZTFE copolymer. It is preferably at least one selected from the group consisting of trifluoroethylene (PCTFE), trichloroethylene (PCTFE), and trifluoroethylene (CTFE) copolymer (ECTFE) and polyvinylidenefluoride (PVdF). .
- PCTFE trifluoroethylene
- PCTFE trichloroethylene
- CTFE trifluoroethylene copolymer
- PVdF polyvinylidenefluoride
- PCTFE is a CTFE homopolymer obtained by polymerizing substantially only CTFE.
- the fluoropolymer constituting the layer [P] may be a CTFE copolymer.
- the CTFE copolymer that can form the layer [P] may be composed of the same monomer as the monomer of the CTFE copolymer that forms the layer [Q] described below.
- the layer [P] and the layer [Q] are distinguished by a difference in the ratio of the monomers and a difference in Z or the following stretching state.
- the CTFE copolymer of each layer is: It is distinguished by the fact that the copolymer composition ratio of Et and CTFE is different.
- one of the layer (P) and the layer (Q) may be a stretched body and the other may be a non-stretched body.
- the stretched body constituting the layer [P] and the stretched body constituting the layer [Q] may be different laminates under stretching conditions.
- the above-mentioned fluoropolymer is more preferably made of TFEZPAVE copolymer from the viewpoint of excellent chemical resistance.
- Rf 1 represents a perfluoroalkyl group having 1 to 8 carbon atoms), and is preferably perfluoro (alkylbutyl ether).
- perfluoro (alkyl vinyl ether) represented by the above general formula ( ⁇ ) include perfluoro (methyl vinyl ether) [PMVE], perfluoro (ethyl vinyl ether) [PEVE], perfluoro (vinyl butyl ether) [PPVE]. And perfluoro (butyl vinyl ether), among which PMVE, PEVE and PPVE are preferred.
- the TFEZPAVE copolymer is more preferably a TFEZPMVE copolymer or a TFEZPPVE copolymer, more preferably a TFEZPPVE copolymer.
- the TFEZPAVE copolymer may further be obtained by copolymerizing other monomers copolymerizable with TFE and PAVE.
- the other copolymerizable monomer is not particularly limited, and examples thereof include those described below as the monomer [A].
- the fluorine-containing polymer when melt molding Temperature: 300 ° C or more molding temperature, preferably it has several 10 6 per unstable terminal group carbon at 80 or less. When more than 80 per number 106 carbons susceptible to foaming during melt molding at a molding temperature is 300 ° C or higher. A more preferred upper limit is 40, an even more preferred upper limit is 20, and a particularly preferred upper limit is 6. If the number of unstable terminal groups is within the above range, the lower limit can be set to, for example, one from the viewpoint of measurement limit.
- melt molding Temperature: 300 ° C or less than the molding temperature is preferably one that is several 10 6 per unstable terminal groups the number of carbon atoms greater than 80. If melt molding Temperature: 300 ° C or less than the molding temperature, is not more than 80 number 106 per carbon, which may be adhesive decreases. A more preferred lower limit is 100, a still more preferred lower limit is 150, a particularly preferred lower limit is 180, and a most preferred lower limit is 220.
- the upper limit of the number of unstable terminal groups is set to, for example, 500 from the viewpoint of productivity as long as it is within the above range. You can do it.
- the number of unstable terminal groups is a value obtained by measurement using an infrared spectrophotometer [IR].
- the unstable terminal group is usually formed at the end of the main chain by adding a chain transfer agent or a polymerization initiator used during polymerization, and is derived from the structure of the chain transfer agent or the polymerization initiator. It is.
- stable end group refers to —CF CH OH, —CONH, —COF
- the groups include, among others, -CF CH OH, -CONH, -COF, -COOH, and
- COOCH easily affects adhesion and foaming during melt molding.
- Table 1 shows the correction factors for the target end groups.
- the correction coefficients in Table 1 are values for determining the infrared absorption spectrum power of the modeled compound in order to calculate the terminal group per 10 ° C carbon atoms.
- the unstable terminal group in the fluoropolymer is exposed to, for example, a fluorine-containing gas.
- the method can be stabilized by using a method, a method of adding a metal or a metal salt if desired in the presence of water, and heating.
- the laminate of the present invention may have a layer [P] made of a fluorine-free organic material.
- the fluorine-free organic material is an organic material containing no fluorine atom.
- the fluorine-free organic material is preferably a resin that can be coextruded with the fluorine resin of the layer [Q].
- the layer [P] is the layered product of the present invention having the above-mentioned layer [Q], even if the layer [P] has chemical resistance, gas transmission resistance, and fuel permeation resistance. Even if the laminate is not excellent, it is necessary that the laminate be excellent in chemical liquid permeability, gas permeability resistance, and fuel permeability resistance in order to achieve a high degree of permeation resistance as a whole laminate. However, this does not preclude the use of a resin that has chemical resistance, gas permeability, and fuel resistance as the fluorine-free organic material of the layer [P]. It is preferable to use a resin having resistance, gas permeation resistance, and fuel permeation resistance.
- the resin having chemical resistance, gas permeability, and fuel resistance that can be used as the above-mentioned fluorine-free organic material is a resin having a high crystallinity and a high molecular weight. It is more preferable that the resin is made of a polymer having a high degree of crystallinity, a polar functional group and a large intermolecular force.
- the polar functional group is a functional group having polarity and capable of participating in adhesion to a CTFE copolymer (the CTFE copolymer may be an adhesive fluororesin).
- the polar functional group may be the same functional group as the unstable terminal group, or may be a different functional group.
- the polar functional group is not particularly limited and includes, for example, those described above as the unstable terminal group, and a cyano group, a sulfide group and the like. Among them, a carbonyloxy group, a silane group and a sulfide group are preferable. A hydroxyl group is more preferable, and a hydroxyl group is more preferable.
- the fluorine-free organic material is preferably a polyamide resin and Z or a polyolefin resin.
- the amide bond in the molecule is an aliphatic structure or an alicyclic structure. It may be a so-called nylon resin which has a bonded polymer power, or a so-called aramide resin which has an increased polymer power when an amide bond in a molecule is bonded to an aromatic structure.
- nylon resin is not particularly limited, and examples thereof include nylon 6, nylon 66, nylon 11, nylon 12, nylon 610, nylon 612, nylon 6,66, nylon 66,12, nylon 46, and meta.
- Polymers such as xylylenediamine Z adipic acid copolymer can also be used, and two or more of these may be used in combination.
- the aramide resin is not particularly limited, and includes, for example, polyparaphenylene-terephthalamide, polymetaphenyleneisophthalamide and the like.
- the polyamide resin may also have a high molecular weight in which a structure having no amide bond as a repeating unit is subjected to block copolymerization or graft copolymerization in a part of the molecule.
- polyamide resins include polyamide elastomers such as nylon 6Z polyester copolymer, nylon 6Z polyether copolymer, nylon 12Z polyester copolymer, and nylon 12Z polyether copolymer. And the like.
- polyamide-based elastomers are obtained by block copolymerization of a nylon oligomer and a polyester oligomer via an ester bond, or block copolymerization of a nylon oligomer and a polyether oligomer via an ether bond. It is obtained by polymerization.
- the polyester oligomer include polybutamate ratatone, polyethylene adipate, and the like
- the polyether oligomer include polyethylene glycol, polypropylene glycol, and polytetramethylene dalicol.
- a nylon 6Z polytetramethylene glycol copolymer and a nylon 12Z polytetramethylene glycol copolymer are preferable.
- nylon 6, nylon 66, nylon 11, nylon 12, nylon 610 are particularly preferred.
- the polyolefin resin is a resin having a monomer unit derived from a vinyl group-containing monomer having no fluorine atom.
- the vinyl group-containing monomer having no fluorine atom is not particularly limited, and may be, for example, the fluorine-free ethylenic monomer described above with respect to fluorine resin. For applications requiring interlayer adhesion with a counterpart material, such as those having the polar functional groups described above, are preferred.
- the polyolefin-based resin is not particularly limited, and examples thereof include the strength of polyolefin such as polyethylene, polypropylene, and high-density polyolefin, and modified polyolefin obtained by modifying the polyolefin with maleic anhydride or the like.
- fluorine-free organic material examples include, in addition to the above-mentioned polyamide resin and polyolefin resin, a resin, a polyurethane resin, a polyester resin, and a polyaramid resin that also have an ethylene-Z-butyl alcohol copolymer power.
- the layer [P] in the laminate of the present invention can have conductivity by further blending a conductive material with the fluorine resin and the Z or fluorine-free organic material.
- the conductive material is not particularly limited, and examples thereof include a conductive simple powder or conductive simple fiber such as metal and carbon; a powder of a conductive compound such as zinc oxide; and a surface conductive treatment powder.
- the conductive simple powder or conductive simple fiber is not particularly limited, and examples thereof include metal powder such as copper and nickel; metal fiber such as iron and stainless steel; carbon black and carbon fiber.
- the surface conductive treatment powder is a powder obtained by subjecting the surface of a non-conductive powder such as glass beads or titanium oxide to a conductive treatment.
- the method for conducting treatment is not particularly limited, and examples thereof include metal sputtering and electroless plating.
- carbon black is preferably used because it is advantageous from the viewpoint of economy / prevention of static charge accumulation.
- the conductive material is blended with the fluorine resin and the Z or fluorine-free organic material, it is preferable to melt and knead to prepare pellets in advance.
- the pellet heating conditions after melt-kneading during pellet production are as follows: when the polymer material constituting the layer (P) is fluororesin, the temperature is not lower than the glass transition point of fluororesin and lower than the melting point of fluororesin. It is generally performed at 130 to 200 ° C. for 1 to 48 hours.
- the conductive material can be uniformly dispersed in the fluorine resin in the obtained layer [P], and the conductivity can be imparted uniformly.
- the polymer material constituting the layer [P] is a fluorine-free organic material
- it is generally melt-kneaded at a temperature not lower than the melting point of the fluorine-free organic material and lower than the thermal decomposition temperature to produce pellets. It is a target.
- the amount of the conductive material to be blended is appropriately determined based on the type of the fluorine resin and / or the fluorine-free organic material, the conductive performance required for the laminate, the molding conditions, and the like. Alternatively, the amount is preferably 1 to 30 parts by mass with respect to 100 parts by mass of the fluorine-free organic material. A more preferred lower limit is 5 parts by mass, and a more preferred upper limit is 20 parts by mass.
- the surface resistance of the conductive composition obtained by mixing the conductive material with the fluorine resin and the organic material containing no Z or fluorine has a surface resistance value of 1 X 10 ° to 1 X 10 9 ⁇ 'cm. Is preferred. More favorable preferable lower limit, 1 ⁇ 10 2 ⁇ ⁇ . ⁇ , and a more preferred upper limit is 1 ⁇ 10 8 ⁇ ⁇ . ⁇ .
- the “surface resistance value of the conductive composition” refers to a pellet obtained by melt-kneading the conductive material and the fluorine-containing resin and / or a fluorine-free organic material, using a melt indexer. And heated at an arbitrary temperature of 200 to 400 ° C in the melt indexer, and the surface resistance of the extruded strand obtained by extrusion is measured using a battery-type insulation resistance meter. Value.
- the layer [P] in the present invention may be, in addition to the above-mentioned conductive material, a stabilizer such as a heat stabilizer, a reinforcing agent, a filler, and an ultraviolet ray, within a range not impairing the object of the present invention. It may be one obtained by adding various additives such as an absorbent and a pigment. Layer (P) should have improved properties such as thermal stability, surface hardness, abrasion resistance, chargeability, and weather resistance by such additives. it can.
- a function which can be changed into a desired adhesive functional group itself or an adhesive functional group described later is used.
- a method of performing polymerization using a polymerization initiator having a group in a molecular structure is generally used.
- the adhesive functional group has, for example, a carboxyl group
- a method of polymerizing each of the above monomers using peroxydicarbonate as a polymerization initiator is economical, heat-resistant, and heat-resistant. It is preferable in terms of quality such as chemical properties.
- the layer [Q] also has a trifluoroethylene copolymer [CTFE copolymer] force.
- CTFE copolymer used as the material of the layer [Q].
- CTFE copolymer (1) includes 2-98 mol% of trifluoroethylene units [CTFE units] and a monomer [A] derived from a monomer [A] copolymerizable with CTFE. It is preferable that it is composed of 98 to 2 mol% of units (hereinafter, may be referred to as “CTFE copolymer (1)”).
- CTFE unit is a portion [1-CFC1-CF—] derived from chlorotrifluoroethylene on the molecular structure of the CTFE copolymer, and the “monomer [A] unit
- the “position” is a portion obtained by adding the monomer [A] on the molecular structure of the CTFE copolymer.
- the monomer [A] is not particularly limited as long as it is a monomer copolymerizable with CTFE, and may be two or more as long as it is at least one kind.
- X 1 , x 3 and x 4 are the same or different and represent a hydrogen atom or a fluorine atom
- X 2 represents a hydrogen atom, a fluorine atom or a chlorine atom
- n is an integer of 1 to 10.
- a vinyl monomer represented by the following general formula (III) CF CF— OCH— Rf (III)
- Rf is a perfluoroalkyl group having 1 to 5 carbon atoms
- Rf is a perfluoroalkyl group having 1 to 5 carbon atoms
- alkyl perfluorobutyl ether derivative for example, an alkyl perfluorobutyl ether derivative.
- the monomer [A] is preferably at least one selected from the group consisting of TFE, Et, VdF, PAVE, and the vinyl monomer represented by the general formula (I).
- the monomer [A] may be a PAVE, a vinyl monomer represented by the above general formula (I), or Z or an alkyl perfluoro compound represented by the above general formula (III).
- One or a combination of two or more types can be used as the butyl ether derivative.
- the vinyl monomer represented by the above general formula (I) is not particularly limited.
- X 5 is H, F or CF
- Rf 5 is a perfluoroalkyl having 1 to 10 carbon atoms.
- perfluoro (alkyl) ethylene perfluoro (butyl) ethylene is preferable.
- alkyl perfluoroalkyl ether derivative represented by the above general formula ( ⁇ ) those in which Rf is a perfluoroalkyl group having 1 to 3 carbon atoms are preferable.
- CF CF-OC
- H 2 -CF CF is more preferred.
- the unsaturated carboxylic acids are not particularly limited, and may be, for example, an unsaturated carboxylic acid having 3 to 6 carbon atoms such as (meth) acrylic acid, crotonic acid, maleic acid, fumaric acid, itaconic acid, citraconic acid, mesaconic acid, and aconitic acid. Saturated aliphatic carboxylic acids and the like, and unsaturated aliphatic polycarboxylic acids having 3 to 6 carbon atoms may be used.
- the unsaturated aliphatic polycarboxylic acids are not particularly limited, and include, for example, maleic acid, fumaric acid, itaconic acid, citraconic acid, mesaconic acid, aconitic acid and the like, and acids such as maleic acid, itaconic acid and citraconic acid.
- Anhydrides may be anhydrides Yes.
- the above monomer (A) may be two or more kinds, but when one of them is VdF, PAVE and Z or HFP, do not use itaconic acid, citraconic acid and their acid anhydrides in combination. You may.
- PAVE used as the monomer [A] has the same concept as PAVE in the TFEZPAVE copolymer constituting the layer [P], and PAVE represented by the above general formula ( ⁇ ) is preferable. PMVE, PEVE or PPVE are more preferred.
- the CTFE copolymer includes a CTFE unit, a tetrafluoroethylene unit (TFE unit), and a monomer [B] derived from a monomer [B] copolymerizable with CTFE and TFE. More preferably, it is a CTFE copolymer composed of units (hereinafter sometimes referred to as “CTFE copolymer (11)”).
- TFE unit is a portion [1-CF-CF-1] derived from tetrafluoroethylene in the molecular structure of the CTFE copolymer ( ⁇ ), and Body (B) unit ''
- the monomer (B) has a fluorine atom in the molecule, and is the same as CTFE and TFE. There is no particular limitation as long as it has copolymerizability, and examples thereof include those other than the TFE exemplified as the monomer [A] described above.
- the monomer [B] is preferably at least one selected from the group consisting of Et, VdF, PAVE, and the monomer unit represented by the general formula (I).
- the monomer [B] unit is 10 to 0.1 mol%, and the CTFE unit and the TFE unit are 90 to 90% in total. is preferably 99. is 9 mol 0/0. If the amount of the monomer [B] is less than 0.1% by mole, the moldability, environmental stress cracking resistance and stress cracking resistance are inferior. If it exceeds 10% by mole, the chemical solution has low permeability and heat resistance. However, the mechanical properties tend to be inferior.
- a more preferred lower limit of the monomer [B] unit is 0.5 mol%
- a more preferred upper limit is 5 mol%
- a still more preferred upper limit is 3 mol%. It is.
- the proportion of the monomer [A] unit in the CTFE copolymer of the present invention is determined by, for example, 19 F-NMR. It is a value obtained by analysis, specifically, a value obtained by appropriately combining NMR analysis, infrared spectrophotometer [IR], elemental analysis, and X-ray fluorescence analysis depending on the type of monomer.
- the CTFE copolymer constituting the layer [Q] may be a binary copolymer, or may be a copolymer of three or more.
- a binary copolymer may be used.
- Examples include CTFEZTFE copolymer, CTFEZPAVE copolymer, CTFEZVdF copolymer, CTFEZHFP copolymer, CTFEZEt copolymer, and the like.
- Examples thereof include a polymer, a CTFEZTFEZPAVE copolymer, a CTFEZTFEZHFPZPAVE copolymer, and a CTFEZTFEZVdFZPAVE copolymer, among which a CTFEZTFEZPAVE copolymer is preferable.
- the CTFE copolymer may be a copolymer of CTFE and Et and Z or a fluorine-containing monomer.
- Examples of the CTFE copolymer having the copolymer composition include, for example, C TFEZTFEZEt copolymer. Polymer, CTFEZTFEZEtZPAVE copolymer, etc.
- the CTFE copolymer may be a polymer constituting either a resin or an elastomer, but is preferably a polymer constituting the resin.
- the CTFE copolymer is preferably obtained by force suspension polymerization, which can be obtained by a conventionally known polymerization method such as bulk polymerization, solution polymerization, emulsion polymerization, and suspension polymerization.
- the CTFE copolymer preferably has a melting point [Tm] of 150 ° C to 300 ° C.
- a more preferred lower limit is 160 ° C, a still more preferred lower limit is 170 ° C, and a more preferred upper limit is 29 ° C.
- the melting point [Tm] is a temperature corresponding to a melting peak when the temperature is raised at a rate of 10 ° CZ using a differential scanning calorimeter [DSC].
- one having a temperature [Tx] at which 1% by mass of the CTFE copolymer subjected to the heating test decomposes is 370 ° C or more is preferable.
- a more preferred lower limit is 380 ° C, and a still more preferred lower limit is 390 ° C.
- the upper limit of the thermal decomposition temperature [Tx] can be set to, for example, 450 ° C. within the above range.
- the thermal decomposition temperature [Tx] is the temperature at which the mass of the CTFE copolymer subjected to the heating test using a differential thermogravimetric device [TG-DTA] decreases by 1% by mass. By This is the value obtained.
- the difference [Tx-Tm] between the above melting point [Tm] and the temperature [Tx] at which 1% by mass of the CTFE copolymer decomposes is 150 ° C or more. Is preferred. If the temperature is lower than 150 ° C, the moldable range is too narrow, and the range of choice of the molding conditions is reduced. Since the CTFE copolymer has a wide moldable temperature range as described above, a high-melting polymer can be used as a mating material when performing coextrusion molding. A more preferred lower limit of the difference [Tx ⁇ Tm] is 170 ° C. If the difference [Tx ⁇ Tm] is within the above range, the upper limit can be set to, for example, 210 ° C. from the point that the range of selection of molding conditions is sufficiently wide.
- the CTFE copolymer has a permeation coefficient of 35% by mass of hydrochloric acid of the measurement sheet of 2.5 X
- the measurement sheet is a 0.2 mm thick sheet obtained by compression-molding the CTFE copolymer at a molding temperature of 50 ° C. higher than the melting point and a molding pressure of 5 MPa.
- the CTFE copolymer was prepared by comparing the permeation coefficient of 35 mass% hydrochloric acid of the measurement laminated tube (A) with respect to the permeation coefficient of 35 mass% hydrochloric acid [Py] of the comparative single-layer tube (a)
- [ [Px] is preferably 0.7 or less.
- a more preferred upper limit of the above [PxZPy] is 0.5, and a still more preferred upper limit is 0.2. If [PxZPy] is within the above range, a preferable lower limit can be set to, for example, 0.001.
- the laminated tube for measurement (A) is prepared by using the CTFE copolymer of the present invention as a polymer for forming an outer layer, and a tetrafluid when the melting point of the CTFE copolymer exceeds 210 ° C. as a polymer for forming an inner layer.
- the melting point of the CTFE copolymer is 210 ° C or lower
- the tetrafluoroethylene Z perfluoro (methyl vinyl ether) copolymer [PFA] MFA) into a multi-layer extruder. If the melting point of the CTFE copolymer exceeds 210 ° C, set the cylinder temperature of the inner layer to 380 ° C and the cylinder temperature of the outer layer to the melting point of the CTFE copolymer of the present invention.
- Temperature and die temperature are set to 395 ° C, and when the melting point of the CTFE copolymer is 210 ° C or less, the cylinder temperature of the inner layer is 270 ° C and the cylinder temperature of the outer layer is lower than the melting point of the CTFE copolymer of the present invention.
- the comparative single-walled tube (a) uses a tetrafluoroethylene Z-perfluoro (alkyl butyl ether) copolymer under the same conditions as the above-mentioned laminated tube for measurement (A) except that the CTF E copolymer is not used.
- the CTFE copolymer was obtained by comparing the 35% by mass hydrochloric acid permeability coefficient [Pz] of the measurement tube (B) with respect to the 35% by mass hydrochloric acid permeability coefficient [Py] of the comparative single-layer tube (b).
- [PzZPy] is preferably 0.7 or less.
- a more preferred upper limit of the above [PzZPy] is 0.5, and a still more preferred upper limit is 0.2.
- [PzZPy] may have a lower limit of, for example, 0.001, as long as it is within the above range.
- the measurement tube (B) is a tube obtained by performing a pressure test on the measurement laminated tube (A), and the comparison single-layer tube (b) is described above. This is a tube obtained by performing a pressure test on the single-layer tube (a) for comparison.
- the pressurization test was performed by cutting the measurement tube (A) and the comparative single-layer tube (a) to a length of 30 cm, sealing one end with a Swagelok cap and filling with pure water, A pump is connected to the other end to form a pressurizing device, and the entire pressurizing device is intermittently pressurized at 0 to 2 MPa for 1 second in a thermostatic chamber temperature-controlled to 25 ° C. This is a test that performs 100,000 cycles in the Z cycle.
- the above-mentioned unstable terminal group is 80 or less per 106 carbon atoms. If the number exceeds 80, foaming is likely to occur during melt molding at a molding temperature of 300 ° C or higher. A more preferred upper limit is 40, an even more preferred upper limit is 20, and a particularly preferred upper limit is 6. If the number of unstable terminal groups is within the above range, the lower limit can be set to, for example, one from the viewpoint of measurement limit. If melt molding Temperature: 300 ° C or less than the molding temperature is preferably one that is several 10 6 per unstable terminal groups the number of carbon atoms greater than 80.
- melt molding Temperature 300 ° C or less than the molding temperature, is not more than 80 number 106 per carbon, which may be adhesive decreases.
- a more preferred lower limit is 100, a still more preferred lower limit is 150, a particularly preferred lower limit is 180, and a most preferred lower limit is 220.
- the upper limit can be set to, for example, 500 from the viewpoint of productivity.
- the number of the unstable terminal groups is a value obtained by measuring as described above using an infrared spectrophotometer [IR].
- the CTFE copolymer has an adhesive functional group.
- adhesive functional group refers to a part of the molecular structure of the polymer contained in the CTFE copolymer, and may be involved in the adhesion between the CTFE copolymer and a substrate. Means things.
- the above-mentioned adhesive functional group is a concept including not only a functional group usually referred to as a functional group but also a structure generally referred to as a bond such as an ether bond, as long as it can participate in such adhesiveness. is there.
- the above-mentioned adhesive functional group is not particularly limited as long as it can participate in the adhesiveness between the fluororesin and the substrate, and examples thereof include a carbonyl group, a hydroxyl group, and an amino group.
- A shall be represented by.
- R 1 in the above formula for example, alkyl having 1 to 20 carbon atoms And an alkyl group having 2 to 20 carbon atoms having an ether bond, and preferably an alkyl group having 1 to 8 carbon atoms and an alkyl group having 2 to 4 carbon atoms having an ether bond.
- the amide group is represented by the following general formula
- R 2 represents a hydrogen atom or an organic group
- R 3 represents an organic group.
- the above-mentioned adhesive functional groups are amide groups, rubamoyl groups, water, etc., in that they are easy to introduce and that the resulting coating film has appropriate heat resistance and good adhesion at relatively low temperatures.
- the acid groups, carboxyl groups, and carbonate groups, carbonate groups are more preferable.
- the CTFE copolymer may be a polymer having the adhesive functional group at either a main chain terminal or a side chain. Alternatively, a polymer having both main chain terminals and side chains may be used. When an adhesive functional group is present at the end of the main chain, it may be present at both ends of the main chain, or may be present at only one of the ends.
- the CTFE copolymer has a structure in which the bonding functional group is usually referred to as a bond such as an ether bond, in addition to or in place of the bonding functional group at the main chain terminal and Z or a side chain. In some cases, it may have the adhesive functional group in the main chain.
- the CTFE copolymer has a main chain Those comprising a polymer having an adhesive functional group at the end are preferred because they do not significantly reduce mechanical properties and chemical resistance, or because they are advantageous in terms of productivity and cost.
- the adhesive functional group-containing monomers are arranged in a type according to the intended fluororesin. It can be obtained by copolymerizing with a fluorine-containing monomer and a Z- or fluorine-free monomer which are mixed together.
- the “adhesive functional group-containing monomer” means a monomer having an adhesive functional group.
- the above-mentioned monomer having an adhesive functional group may or may not have a fluorine atom, and may or may not have a fluorine atom.
- the body does not have an adhesive functional group, and in this respect, is conceptually distinguished from an adhesive functional group-containing monomer having an adhesive functional group.
- z 2 represents a functional group having a hydroxyl group, a carboxy group or an amino group
- X 2 and Y 2 are the same or different and represent a hydrogen atom or a fluorine atom
- Rf 4 is a carbon atom.
- the “functional group having a hydroxyl group, a carbonyl group or an amino group” may be a hydroxyl group, a carbonyl group, or an amino group; This means that a functional group having any of these adhesive functional groups may be used.
- the monomer having an adhesive functional group may be an unsaturated dibasic acid monoester, vinylene carbonate, maleic anhydride, maleic acid, or the like.
- the CTFE copolymer is a polymer having an adhesive functional group at the end of the main chain, and when the adhesive functional group is a polymer having a carbonate group, it may be a hydroxy group. It can be obtained by a method of performing polymerization using carbonate as a polymerization initiator. When the above method is used, the introduction and control of the introduction of the carbonate group are very easy, and the quality and the like such as economy, heat resistance and chemical resistance are also preferable.
- the peroxycarbonate is represented by the following formula:
- R 4 and R 5 are the same or different and each are a linear or branched monovalent saturated hydrocarbon group having 1 to 15 carbon atoms, or 1 carbon atom having an alkoxyl group at a terminal.
- the above-mentioned peroxycarbonates include diisopropyl peroxycarbonate, di-n-propylperoxydicarbonate, t-butylperoxyisopropylcarbonate, and bis (4-tert-butylcyclohexyl) peroxide.
- Oxydicarbonate, di-2-p-hexylhexyl carbonate, etc. are preferred! /.
- the above-mentioned CTFE copolymer is a polymer having an adhesive functional group at the terminal of the main chain, wherein the above-mentioned carbonate functional group is a polymer other than a carbonate group.
- peroxide-based adhesion is achieved by polymerization using a peroxide such as peroxycarbonate, peroxydicarbonate, peroxyester, or peroxyalcohol as a polymerization initiator.
- Machine Functional groups can be introduced.
- “derived from peroxide” means that it is directly introduced from a functional group contained in peroxide, or indirectly by converting a functional group directly introduced from a functional group contained in peroxide. Means to be introduced into
- the amount of the above-mentioned polymerization initiator such as peroxycarbonate and peroxyester varies depending on the type and composition of the intended fluororesin, the molecular weight, the polymerization conditions, the type of the initiator to be used, and the like.
- a particularly preferred lower limit is preferably from 0.05 to 20 parts by mass with respect to 100 parts by mass of the polymer obtained, and a particularly preferred upper limit is 0.1 part by mass, and a particularly preferred upper limit is 10 parts by mass.
- the CTFE copolymer may contain a filler, a pigment, a conductive material, a heat stabilizer, a reinforcing agent, an additive such as an ultraviolet absorber, or when it is a rubber, It may contain additives such as a crosslinking agent, an acid acceptor, a vulcanizing agent, a vulcanization accelerator, and a curing catalyst.
- examples of the conductive material include carbon fibrils and the like described in US Pat. No. 4,632,330, Japanese Patent Application Laid-Open No. 3-174018, and the like.
- Additives such as the above fillers are preferably added in a range that does not impair the properties of the CTFE copolymer.
- the surface resistance of the fluororesin conductive composition obtained by blending a conductive material with the CTFE copolymer is preferably 1 X 10 ° to 1 X 10 9 ⁇ 'cm. A more preferred lower limit is 1 X 10 2
- a more preferred upper limit is 1 ⁇ 10 8 ⁇ 'cm.
- the layer [P] and the layer [Q] may or may not be in contact with each other.
- [P] and the layer [Q] may be in close contact, may or may not adhere to each other! /.
- the laminated body in the fluid transfer member of the present invention may be one in which only the layer [P] and the layer [Q] also have a force, or other layers other than the layer [P] or the layer [Q]. May also be included.
- the other layers are not particularly limited, and include, for example, a protective layer, a coloring layer, a marking layer, a dielectric layer for preventing static electricity in the fluid transfer member, and the like. Is preferably the outermost layer in the fluid transfer member from the viewpoint of its function.
- the layer other than the layer [P] or the layer [Q] may have a laminate structure composed of an inorganic film.
- the inorganic film also has inorganic properties.
- the inorganic film preferably has an inorganic content of 50% by mass or more. If it is less than 50 mass 0/0, there is a case where poor Gasunoria property. From the viewpoint of gas barrier properties, the inorganic film has a lower limit of the inorganic content of preferably 80% by mass, more preferably a lower limit of 90% by mass, and particularly preferably 100% by mass. Since a small amount of organic matter may be mixed in the process, the inorganic content may be 95% by mass or less, preferably 99% by mass or less from the viewpoint of industrial productivity. In the present specification, the inorganic content is the content of an inorganic substance among the components contained in the inorganic film.
- the inorganic content is a value obtained by measuring a change in mass before and after ashing when the inorganic film can be separated by thick peeling.
- it is a value obtained by performing a surface analysis such as electron spectroscopy [ESCA] and total reflection infrared absorption [ATR-IR].
- gas-nolia inorganic substance a substance which can impart gas-nolia property to the obtained fluorine-containing molded article (hereinafter, may be referred to as "gas-nolia inorganic substance") is preferable.
- the gas-barrier inorganic substances include metals such as aluminum, silicon, titanium, zinc, zirconium, magnesium, tin, copper, and iron; metal compounds such as oxides, nitrides, and fluorides of the above metals; And carbon such as carbon [DLC].
- the gas barrier inorganic substance may be one kind or two or more kinds.
- gasnolia inorganic substances among others, aluminum oxide, silicon oxide, and DLC are preferable in that they have transparency and are excellent in gas barrier properties.
- gas-barrier inorganic substance in terms of excellent gas-nolia properties, chemical resistance preferred by silicon oxide aluminum and silicon oxide silicon, and the case where the fluorine-containing molded article has a curved surface shape DLC is more preferable because it can be efficiently formed by using a plasma chemical vapor deposition method (plasma CVD method) described later.
- the oxidized aluminum is a compound represented by AIO (X represents 0.5 to 1.5), and the oxidized silicon is SiO (y is 0.5 to 2). Is a compound represented by:
- the inorganic film mainly includes sp 3 bonds between carbon atoms mainly by hard carbon called i-carbon or hydrogenated amorphous carbon (a-C: H).
- a-C hydrogenated amorphous carbon
- the concentration of hydrogen and other elements in the DLC film that contains elements other than carbon depends on the type of source gas used as a carbon source, the plasma generation, and the like. It is affected by the amount of impurities and the amount of additives in the atmosphere, the plasma generation conditions, the electrode arrangement method, and the like.
- the source gas used as a carbon source contains hydrogen
- the obtained DLC film usually contains 7% by mass or less of hydrogen.
- oxygen in the source gas or oxygen in the air may be fixed in the DLC film.
- Oxygen in the DLC film which is not preferable in terms of properties, is preferably 5% by mass or less.
- the inorganic film preferably has a thickness of 5 ⁇ 10 -9 to 1 ⁇ 10 -6 m. 5
- X 10 _9 m When X 10 _9 m is less than, might film is too thin becomes high gas permeability, and when it exceeds l X 10 _6 m, easily cracked by the shape because less flexible and flexible Gas permeability may increase.
- the inorganic film has a more preferred lower limit of 1 ⁇ 10 -8 m, a more preferred upper limit of 1 ⁇ 10 -7 m, and a still more preferred upper limit of 8 ⁇ 10 -8 m.
- the above inorganic film has a particularly preferable upper limit of 7 ⁇ 10 ⁇ 8 m in terms of flexibility, flexibility and transparency.
- the thickness of the obtained fluorine-containing molded product is several tens of
- the inorganic film preferably has excellent transparency depending on the use of the obtained fluorine-containing molded article.
- the inorganic film preferably has a haze value of 30% or less, more preferably 20% or less. If the haze value is within the above range, the inorganic film may have a transparency of 0.5% or more, and may further have a haze value of 1% or more. Is also good.
- a film having a small thickness is preferable as the above-mentioned film having excellent transparency, and a film having the above-mentioned DLC force is also preferable.
- the above haze value is a value measured using a haze meter (manufactured by Toyo Seiki Seisaku-sho, direct reading haze meter) in accordance with JIS K 7136.
- the laminate in the fluid transfer member of the present invention it is preferable that only the layer [P] and the layer [Q] have a force.
- a layer structure in which the molecular chains of the polymers constituting each layer are in contact with each other may penetrate each other and have a concentration gradient.
- the fluid for transferring the fluid transfer member of the present invention may be any of a gas and a liquid.
- the liquid may be a volatile liquid or a fluid containing solid fine particles such as an abrasive. It may be.
- the fluid is not particularly limited, and includes, for example, foods and drinks such as milk, gas, and drug solutions.
- the gas is not particularly limited, and includes, for example, ozone, hydrogen, oxygen, low molecular weight fluorocarbon, and the like. These exemplified gases may be gases used in the semiconductor manufacturing field.
- the chemical is not particularly limited, and examples thereof include organic acids such as acetic acid, formic acid, cresol, and phenol; inorganic acids such as hydrofluoric acid, sulfuric acid, nitric acid, phosphoric acid, and hydrochloric acid; and aqueous hydrogen peroxide.
- a mixed solution of the above inorganic acids such as phosphoric acid peroxide, sulfuric acid peroxide and the like with hydrogen peroxide solution; an alkali solution such as sodium hydroxide, potassium hydroxide, ammonia water, etc .; methanol, ethanol Alcohols such as ethylenediamine, diethylenetriamine and ethanolamine; amides such as dimethylacetamide; esters such as ethyl acetate and butyl acetate; hydrocarbon solvents such as xylene; chlorine solvents such as trichloroethylene.
- Solvents ketones such as acetone; ozone water; ultrapure water; functional water; and liquids such as a mixture of two or more of these.
- the functional water is a liquid obtained by dissolving hydrogen and ammonia in ultrapure water in the semiconductor manufacturing field.
- the method for forming the laminate constituting the fluid transfer member of the present invention is not particularly limited.
- (1) a method of co-extruding the material of the layer [P] and the material of the layer [Q], (2) A method in which a polymer material constituting the outer tube is melt-extruded and coated on the previously formed inner tube. (3) The inner tube and the outer tube separately formed in advance are inserted into the outer tube. After that, a method of laminating by heat fusion may be mentioned.
- any of the above method (1) and the above method (2) can be used. Force If the method (1) is preferred and the fluid transfer member is tubular, the method (2) is preferred depending on the application.
- the layer [P] can be applied to the inner tube, and the layer [Q] can be applied to the outer tube.
- the layer [P] is preferably the innermost layer corresponding to the liquid contact part in the fluid transfer member of the present invention.
- properties such as chemical resistance of the fluoropolymer can be utilized.
- the laminate of the present invention can be formed into various shapes such as a film shape, a sheet shape, a tube shape, a hose shape, a bottle shape, and a tank shape.
- the film shape, sheet shape, tube shape, and hose shape may be a corrugated shape or a convoluted shape.
- the fluid transfer member of the present invention is not particularly limited, and includes, for example, piping materials for tubes (tubes) and joints, and films used for diaphragm pumps.
- the fluid transfer member is used in semiconductor manufacturing equipment because it can sufficiently exhibit the excellent properties of the CTFE copolymer, such as chemical resistance, moldability, and low permeability of a chemical solution.
- a tube for a semiconductor manufacturing device, a sheet for a semiconductor manufacturing device, or a film for a semiconductor manufacturing device is more preferable. It is preferable that the sheet for a semiconductor manufacturing device or the film for a semiconductor manufacturing device is for a diaphragm pump.
- the fluid transfer member can be formed into a bag or a tank and used as a chemical liquid container because it can sufficiently exhibit the excellent characteristics of the CTFE copolymer. It can also be used as a lining member for containers, waste liquid tanks and the like.
- the fluid transfer member is a lining tube
- the chemical solution that has passed through the lining layer is filled with gold when there is a space between the lining layer and the tube (when loosely piped).
- Hydrogen gas is generated by reacting with the metal base material, and the pressure causes the lining layer to expand toward the inner surface side, so that an appropriate flow rate cannot be secured.
- the lining layer is in close contact with the tube via an adhesive layer, the adhesive layer is degraded to generate outgas, which causes the above-described expansion problem, and similarly corrodes the metal tube. Let me do it. In the worst case, a through hole is created in the metal tube, and rainwater flows in from outside.
- the low-permeability material according to the present invention is applied, the amount of the chemical permeating the lining layer can be greatly reduced, and the life can be extended.
- Examples of the form applied here include a tube, a sheet, and the like. These can be obtained mainly by extrusion molding.
- the low-permeability material according to the present invention exhibits a peel strength of 15 NZcm or more by applying a slight surface pressure to a metal base material such as iron or SUS at an appropriate temperature.
- the layer can be omitted, which can contribute to the cost reduction of tank production.
- the temperature at this time is preferably 190 to 250 ° C, and heating can be performed with a hot air heater, a heating glove, or the like, but the form is not limited thereto. When pressure is applied, the use of a heating glove can simplify the process operation.
- the pressure is preferably at least 0.05 MPa.
- the buffer tank is generally composed of a resin alone.
- the low-permeation resin according to the present invention to this resin, it is possible to reduce the permeation of a chemical solution and reduce damage to peripheral members.
- the force that can be obtained by blow molding, roto-molding, or the like is preferably such that the MFR is from 1 to 3 gZlO for blow-molding, and is preferably from 4 to 8 gZlO for rotomolding.
- the volatile matter is 300 ° C and the weight loss of the volatile matter in one hour is 0.08% by mass or less.
- Sensors are a very important force in controlling the chemical solution line.
- the permeation of the chemical solution may damage the detection unit or increase the basic detection value, making the maintenance very complicated. It is also a cost issue.
- a pressure-sensitive sensor detects the deformation of the diaphragm installed in the bypass line of the chemical flow path by measuring it with a metal pressure-sensitive device.
- the pressure-sensitive device corrodes due to the permeation of the chemical solution, and normal detection becomes difficult.
- a chemical solution that has passed through the diaphragm damages the piezo element, which hinders normal operation.
- the concentration sensor for chemicals uses a spectroscopic method through a transparent tube to detect the increase or decrease in specific absorption to detect the concentration of the chemical, but when the chemical penetrates into the tube, the basic detection value is detected.
- the use of the low-permeation resin according to the present invention makes it possible to reduce the effects of these problems.
- the form provided for these uses may be a form such as a tube, a sheet, or a diaphragm. The form should be selected depending on the force detection method, and is not limited to these.
- the use of the molded article according to the present invention can reduce the permeation of the chemical solution with a thinner molded article, and has a higher elastic modulus than conventionally used PTFE, PFA, FEP, etc. Elastic deformation can be reduced. like this Filter housings are often formed by injection molding, but the MFR of the resin used is preferably between 10 and 20 g / 10 minutes!
- the fluid transfer member of the present invention has the above-described configuration, it has both stress crack resistance and low chemical liquid permeability, and also has chemical resistance and heat resistance required during molding. Can be anything.
- CTFE copolymer A was evaluated for the following physical properties. Table 2 shows the results.
- TG-DTA differential heat / thermogravimeter
- DSC differential scanning calorimeter
- the content of the monomer unit was calculated by appropriately combining NMR, FT-IR, elemental analysis, and X-ray fluorescence analysis according to the type of the component [A].
- the content of each comonomer can be obtained by using the analysis values obtained by the 19 F-NMR method and the elemental analysis method of carbon (C), and the following formula.
- the PPVE content (z) is determined by 19 F-NMR method.
- the carbon (C) content (Mc) is determined by elemental analysis. Using these values, the TFE content (X) and CTFE content (y) are determined.
- a sheet having a total thickness of 0.2 ⁇ 0.03 mm was obtained by compression molding at a molding temperature of 50 ° C. to 70 ° C. higher than the melting point and a molding pressure of 5 MPa.
- the obtained sheet was sandwiched between two glass containers 12a and 12b (both in a capacity of 200 ml) shown in FIG. 1 using an O-ring 13 made of fluororubber. 35% by mass of hydrochloric acid was placed in the container 12a on one side of the sheet and 200 ml of pure water was placed in the other container 12b, and the mixture was allowed to stand still in a thermostat at 25 ° C. 70mm ⁇ ).
- T Elapsed time until transmission start color sampling (unit: seconds)
- Sheet thickness Sheet thickness or tube thickness (unit: cm)
- Cross-sectional area The area where the pure water of the sample sheet or tube comes into contact with the permeation tester, and the area (unit: cm 2 )
- MIT-rubbing fatigue tester for CTFE copolymer, PFA and PCTFE molded to a width of 13 mm and a thickness of 210 to 230 m at a molding temperature of 50 to 70 ° C higher than the melting point and a molding pressure of 5 MPa
- Table 2 shows the results.
- the outer layer of the tube is made of CTFE copolymer A and the inner layer is made of PFA (trade name: NEOFLON AP231SH, manufactured by Daikin Industries, Ltd.).
- the pelletized CTFE copolymer A and the PFA pellets are supplied to the extruder for the outer layer and the inner layer, respectively, and the tube having an outer diameter of 19.lmm, an inner diameter of 15.9mm, and an outer layer thickness of 0.2mm is continuously fed. It was molded to obtain a laminated tube A.
- Table 2 shows the temperature conditions during molding.
- a test piece of lcm width is cut out from the laminated tube A and subjected to a 180 ° peel test at a speed of 25 mmZ using a Tensilon universal testing machine, and the maximum 5-point average in the elongation-tensile strength graph is used as the initial adhesive strength (NZcm) Asked.
- Table 2 shows the results.
- CTFE copolymer and FEP (trade name: NEOFLON FEP NP30, manufactured by Daikin Industries, Ltd.) ⁇ Molding temperature 50 to 70 ° C higher than the higher melting point of the resin, molding pressure of 5 MPa Then, a sheet having a total thickness of 0.5 ⁇ 0.05 mm was obtained. The obtained sheet was compression-molded at a molding pressure of 0.2 MPa and a molding temperature of 340 ° C. A test piece of lcm width was cut out from the compression-molded sample of this laminated structure, and a 180 ° peel test was performed at a speed of 25 mmZ using a Tensilon universal testing machine, and the maximum 5 point average in the elongation-tensile strength graph was initially bonded. It was determined as strength (NZcm).
- the laminated tube A was cut into a length of 30 cm, one end was sealed with a cap manufactured by Swagelok Company, filled with pure water, and a pump was connected to the other end to form a pressurizing device.
- the entire pressurizing device was installed in a thermostat whose temperature was adjusted to 25 ° C.
- the pressurizing and depressurizing operation of 0 to 2 MPa for the laminated tube A was set so as to be automatically controlled in a Z cycle of 1 second, and a repeated pressurization test on the laminated tube A was started. After 100,000 cycles of pressurization and decompression, the pump was stopped, the tube was removed, and the tube was dried. This was designated as laminated tube B.
- the permeation coefficient of 35% by mass hydrochloric acid was examined by the following method shown in FIG. First, the laminated tube was cut into a length of 30 cm, one end of the tube 21 was sealed by heat, 52 ml of 35% by mass hydrochloric acid was put into the tube 21, and the other end of the tube was also sealed.
- the tube 21 containing hydrochloric acid was inserted into the glass tube 22, and fixed using a packing 23 made of fluoro rubber.
- 110 ml of pure water was charged from the sampling port 24 and placed in a thermostat at 25 ° C.
- the tube between the packings 23 was in contact with pure water, and the length of the contact portion was 18.5 cm.
- the sample was left in this state, and about 1 ml was sampled from the sampling port 24, and the chloride ion concentration contained in the pure water was quantified using an ion chromatograph in the same manner as in the sheet transmission test.
- the sample shape was a strip having a maximum thickness of 100 / ⁇ , an extrusion direction of 3 mm, and a circumferential direction of 1 mm.
- Ten strip samples were prepared from one type of laminated tube. The specific gravity of these samples was measured using a density gradient tube, and the average of 10 Specific gravity of outer layer A
- the resin listed in Table 2 is separately compression-molded at a molding temperature of 50 ° C to 70 ° C higher than the melting point of each resin and a molding pressure of 5 MPa to obtain a total thickness of 0.2 ⁇ 0.03 mm. I got a sheet.
- the obtained sheet was cut into a strip having a maximum thickness of 100 m, an extrusion direction of 3 mm, and a circumferential direction of lmm.
- Ten strips were prepared from one type of sheet.
- the specific gravity of this sample was also measured using a density gradient tube in the same manner as the specific gravity X of the laminated tube, and the average value of 10 points was used as the specific gravity Y of the compression molded sheet.
- the specific gravity change rate D was determined by the following equation.
- Example 2 Polymerization and post-treatment were carried out in the same manner as in Example 1 except that CTFE was set at 19.3 kg and TFE was set at 13 kg among the initial monomer charged amounts, to obtain 20.6 kg of a powdery CTFE copolymer B. Since the melting point of the obtained CTFE copolymer B was relatively low, the inner layer of the laminated tube had a lower melting point than PFA, and the copolymer of tetrafluoroethylene Z perfluoro (methyl vinyl ether) described in Comparative Example 4 below was used. As a united product [MFA], the adhesive strength with PTFE was measured without measuring the adhesive strength with PFA and FEP. Otherwise, the same physical property evaluation as in Example 1 was performed. Table 2 shows the results.
- the sheet having a total thickness of 0.5 ⁇ 0.05 mm was obtained by compression molding at a temperature 50 ° C. to 70 ° C. higher than the melting point of the CTFE copolymer, at a molding temperature and a molding pressure of 5 MPa.
- the obtained sheet and a PTFE sheet (trade name: New Polyflon PTFE Ml 12, manufactured by Daikin Industries, Ltd.) were compression-molded at a molding pressure of 0.2 MPa and a molding temperature of 340 ° C.
- a test piece of lcm width was cut from the compression-molded sample of this laminated structure and subjected to a 180 ° peel test at a speed of 25 mmZ using a Tensilon universal testing machine. It was determined as strength (NZcm).
- CTFE was set to 5.8 kg and TFE was set to 49.6 kg of the initial monomer charge, to obtain 24.6 kg of CTFE copolymer C in the form of granular powder. It was.
- the same physical properties as in Example 1 were evaluated for the obtained CTFE copolymer C. Table 2 shows the results.
- CTFE was 41.5 kg and TFE was 4.6 kg of the initial monomer charge, to obtain 22.6 kg of CTFE copolymer E as granular powder.
- the polymerization rate at this time was reduced to 71% of Example 2.
- the obtained CTFE copolymer E was subjected to the same physical property evaluation as in Example 2 except that the MIT bending life measurement and the measurement of the adhesive strength with PTFE were not performed. Table 2 shows the results.
- Example 2 Polymerization and post-treatment were carried out in the same manner as in Example 1 except that the initial monomer charge amounts were 7.1 kg of CTFE, 18.3 kg of TFE, and 31.3 kg of PPVE, to obtain 23.7 kg of CTFE copolymer G as granular powder. Was. At this time, the polymerization rate was reduced to 65% of Example 1.
- the same physical property evaluation as in Example 2 was performed without measuring the adhesive strength with PTFE. Table 2 shows the results.
- Example 2 Polymerization and post-treatment were carried out in the same manner as in Example 1 except that the initial monomer charge was 29.3 kg for CTFE, 8.6 kg for TFE, and 0.5 kg for ethylene, without using PPVE.
- a powdery CTFE copolymer H was obtained.
- MIT song about the obtained CTFE copolymer H The measurement of the service life and the measurement of the adhesive strength with PTFE were not performed, and the other physical properties were evaluated as in Example 2. Table 2 shows the results.
- Example 2 Polymerization and post-treatment were carried out in the same manner as in Example 1 except that the initial monomer charge was 2.7 kg for CTFE and 22.8 kg for TFE without using PPVE, and 22.4 kg of CTFE copolymer J in granular powder was used. Got. For the obtained CTFE copolymer J, the MIT flex life measurement, the measurement of the adhesive strength with PFA, FEP, and PTFE were not performed, and the other physical properties were evaluated in the same manner as in Example 1. Table 2 shows the results.
- Example 2 Polymerization was carried out in the same manner as in Example 1 except that the initial monomer charge was changed to 6.6 kg for CTFE, 12.7 kg for TFE, and 69.2 kg for PPVE, but the polymerization rate was extremely slow, 20% or less of Example 2. The polymerization was stopped after 8.2 hours. It should be noted that only the composition analysis was performed on the obtained powdery CTFE copolymer, and it was confirmed that the obtained copolymer had the desired copolymer composition. Table 2 shows the analysis results.
- Comparative Example 2 Polymerization and post-treatment were carried out in the same manner as in Example 1 except that the initial monomer charge amount was 21.8 kg for CTFE, 14.3 kg for TFE, and 2 kg for ethylene, without using PPVE. Polymer L was obtained. The melting point of the obtained CTFE copolymer L was too low, and a laminated tube could not be prepared. Table 2 shows the results.
- Example 2 Polymerization was conducted in the same manner as in Example 1 except that the initial monomer charge was 5.4 kg, 5.8 kg TFE, and 205.1 kg HFP, without using octafluorocyclobutane and PPVE. The polymerization was stopped after 8.0 hours because the speed was extremely slow, 30% or less of that of Example 8. Note that only the composition analysis was performed on the obtained CTFE copolymer of the granular powder, and it was confirmed that the desired copolymer composition was obtained. Table 2 shows the analysis results.
- the mixed monomer prepared to have the same composition as the desired copolymer was additionally charged so that the pressure in the tank was maintained at 0.78 MPa, and the total additional charged amount was about 100% by solvent ratio. %, The remaining gas in the tank is exhausted, and the produced polymer is taken out, washed with demineralized pure water, dried and dried in 30 kg of granular powder of tetrafluoroethylene Z perfluoro (methylbi-methyl). (MFA) copolymer was obtained. The obtained MFA was not subjected to the MIT bending life measurement and the measurement of the adhesive strength with PFA, FEP, and PTFE, and the physical properties were evaluated in the same manner as in Example 1 except for the above.
- this MFA was not used as the outer layer material, but was used as the inner layer of a single-layer tube or a laminated tube with CTFE copolymer B, E, G, H, K or PCTFE, which has relatively low melting point.
- Table 2 shows the results of evaluating the physical properties of the single-walled tube in the same manner as in Example 1.
- PCTFE pellets product name: NEOFLON CTFE M300P, manufactured by Daikin Industries, Ltd.
- the preparation of the laminated tube B and the measurement of the adhesive strength with PFA, FEP and PTFE were not performed, and the other evaluations of the physical properties were performed as in Example 1.
- Table 2 shows the results.
- PCTFE pellets (trade name: NEOFLON CTFE M300P, manufactured by Daikin Industries, Ltd.), the same physical property evaluation as in Example 2 was performed without measuring the adhesive strength with PTFE. Table 2 shows the results.
- Example 1 For tetrafluoroethylene Z-perfluoro (propylbutyl ether) copolymer pellets (trade name: NEOFLON PFA AP231SH, manufactured by Daikin Industries, Ltd.), the adhesive strength with PFA, FEP, and PTFE was not measured.
- Example 1 The same physical property evaluation was performed. However, this PFA is not used as the outer layer material, but as the inner layer of a single-layer tube or a laminated tube with CTFE copolymers A, C, D, F, I, J or PCTFE, which has a relatively high melting point. did.
- Table 2 shows the results of evaluating the physical properties of the single-layer tube in the same manner as in Example 1.
- Sheet and single-layer tube materials Polymer properties Sheet Multi-layer tube Multi-layer tube Molding conditions for multi-layer tube or CTFE copolymer composition [
- the hydrochloric acid permeability coefficient of the film sheet was a relatively moderate molding temperature of 50 ° C to 70 ° C higher than the melting point of CTFE copolymer, PFA, MFA, or PCTFE.
- the transmission coefficient of a film sheet of CTFE copolymer or PCTFE is about 1/6 to 1/100 of that of a single layer of PFA or MFA. It was clearly apparent that the composition had excellent low chemical permeability. It was found that when the ratio of force CTFE due to the comonomer was high, the permeability coefficient tended to be low.
- the CTFE copolymers A to K were laminated on the PFA layer or MFA layer having a thickness of about 1.4 mm with a thickness of only about 0.2 mm. It was found that a low chemical solution permeability of 1/2 to 1/50 of that of a single-layer tube could be provided. However, despite the fact that PCTFE of Comparative Example 5 shows extremely low chemical permeability in the film sheet, the laminated tube A obtained by laminating with PFA exhibits some low chemical permeability. Helped that it wasn't. Visually, foaming was observed in the outer layer. This is the co-extrusion in this example and the comparative example.
- the stress crack property of the outer layer was tested.
- chemical supply piping receives various stresses during actual use, so it is important that the outer layer of the laminated tube has sufficient stress crack resistance.
- the stress is, for example, the internal pressure of the transfer chemical solution.
- the laminated tube B maintains the permeability coefficient of the laminated tube A, the outer layer has good stress crack resistance.
- PCTFE had good low chemical permeability as the laminated tube A.
- the permeability coefficient of the laminated tube B rapidly increased, indicating that the low chemical permeability of PCTFE itself was not exhibited as compared with the MFA monolayer.
- the laminated tubes B having CTFE copolymer power described in the examples all maintain the transmission coefficient level of the laminated tube A favorably, and the low chemical liquid permeability of the CTFE copolymer is low. Regrettably exhibited, that is, the use of the CTFE copolymer in the outer layer clearly improved the stress crack resistance as compared with the case where PCTFE was used.
- the fluid transfer member of the present invention has the above-described configuration, it has both stress crack resistance and low chemical liquid permeability, and also has chemical resistance and heat resistance required during molding. It is a thing.
- the fluid transfer member of the present invention can be suitably used, for example, as a low-chemical-liquid-permeability tube that is required to have both stress crack resistance and low-chemical-liquid permeability.
- FIG. 1 is a schematic view of an experimental apparatus used for a 35% by mass hydrochloric acid permeation test using a sheet.
- Figure 2 is a schematic diagram of the experimental device used for the 35% by mass hydrochloric acid permeation test using a tube. is there.
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Abstract
Description
Claims
Priority Applications (3)
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US11/578,410 US8747973B2 (en) | 2004-04-13 | 2005-04-13 | Fluid transfer member |
EP05730417.2A EP1741548B1 (en) | 2004-04-13 | 2005-04-13 | Fluid transfer member |
JP2006512935A JP4569568B2 (ja) | 2004-04-13 | 2005-04-13 | 流体移送部材 |
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US (1) | US8747973B2 (ja) |
EP (1) | EP1741548B1 (ja) |
JP (1) | JP4569568B2 (ja) |
KR (1) | KR100830849B1 (ja) |
CN (1) | CN100537212C (ja) |
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JP7325962B2 (ja) * | 2017-01-18 | 2023-08-15 | ダイキン工業株式会社 | タンパク質低吸着性を有するタンパク質若しくはタンパク質を含む組成物の投与用、保存用、運搬用、または輸送用の容器及びタンパク質若しくはタンパク質組成物の製造用器材 |
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JP2017052854A (ja) * | 2015-09-08 | 2017-03-16 | 三井・デュポンフロロケミカル株式会社 | 耐ブリスター性に優れたフッ素樹脂組成物 |
JP2023514119A (ja) * | 2020-02-18 | 2023-04-05 | エーエスエムエル ネザーランズ ビー.ブイ. | 荷電粒子システムにおける流体移送システム |
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Also Published As
Publication number | Publication date |
---|---|
TW200538472A (en) | 2005-12-01 |
CN100537212C (zh) | 2009-09-09 |
WO2005108051A8 (ja) | 2006-10-19 |
EP1741548B1 (en) | 2018-12-19 |
KR20060134205A (ko) | 2006-12-27 |
JPWO2005108051A1 (ja) | 2008-03-21 |
TWI366572B (ja) | 2012-06-21 |
US8747973B2 (en) | 2014-06-10 |
KR100830849B1 (ko) | 2008-05-20 |
CN1942305A (zh) | 2007-04-04 |
EP1741548A4 (en) | 2009-06-03 |
JP4569568B2 (ja) | 2010-10-27 |
EP1741548A1 (en) | 2007-01-10 |
US20070166497A1 (en) | 2007-07-19 |
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