WO2007142337A1 - 積層体、流動体輸送管及びチューブ - Google Patents
積層体、流動体輸送管及びチューブ Download PDFInfo
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- WO2007142337A1 WO2007142337A1 PCT/JP2007/061658 JP2007061658W WO2007142337A1 WO 2007142337 A1 WO2007142337 A1 WO 2007142337A1 JP 2007061658 W JP2007061658 W JP 2007061658W WO 2007142337 A1 WO2007142337 A1 WO 2007142337A1
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- 239000012860 organic pigment Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920002493 poly(chlorotrifluoroethylene) 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
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000001054 red pigment Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000790 scattering method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004876 x-ray fluorescence Methods 0.000 description 1
- 239000008096 xylene Substances 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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
Definitions
- the present invention relates to a laminate, and further to a fluid transport pipe and a tube using the laminate.
- Laminates made of a fluorine-containing polymer are excellent in chemical resistance, heat resistance, etc., and thus are used in various production fields such as semiconductors, liquid crystal panels, pharmaceuticals, and food and drinks.
- a tube made of PFA is a force that can be used in many production lines, S, and can easily recognize what fluid is flowing through each piped tube (visual recognition). Sex) is required.
- Patent Document 1 Japanese Unexamined Patent Publication No. 2000-26688
- Patent Document 2 International Publication No. 2005/047747 Pamphlet
- Patent Document 3 International Publication No. 2005/100420 Pamphlet
- Patent Document 4 International Publication No. 2005/108051 Pamphlet
- An object of the present invention is to provide a laminate, a fluid transport pipe and a tube comprising the laminate, which can exhibit excellent visibility and have low chemical liquid permeability.
- the present invention provides a laminate having a melt-processable fluorine-containing polymer layer (A) and a colored layer (B), wherein the colored layer (B) comprises a black trifluoroethylene copolymer.
- the black trifluoroethylene copolymer includes at least a black trifluoroethylene unit, a tetrafluoroethylene unit, and a black trifluoroethylene and tetrafluoroethylene.
- the present invention is a fluid transport pipe characterized by using the above laminate.
- This invention is a tube characterized by using the said laminated body.
- the present invention is a semiconductor manufacturing apparatus comprising the fluid transport pipe or the tube.
- the present invention is a chemical solution supply system to a semiconductor production line comprising the fluid transport pipe or the tube.
- the laminate of the present invention has a melt-processable fluorine-containing polymer layer ( ⁇ ) and a colored layer ( ⁇ ). It is.
- melt strength fluorine-containing polymer layer (A) and the colored layer (B) means that the melt strength fluorine-containing polymer layer (A) and the colored layer ( B) may be in contact with each other, but it is not always necessary that the melt-processable fluorine-containing polymer layer (A) and the colored layer (B) are in contact with each other. This means that there is another layer between the fluoropolymer layer (A) and the colored layer (B).
- the other layers can be selected from known materials according to the required performance, which does not necessarily satisfy the performance as a gas barrier layer described later.
- “having a melt strength fluoropolymer layer (A) and a colored layer (B)” means that the colored layer (B) has a melt strength fluoropolymer layer ( It also means that the entire surface of A) or other layer provided as desired is covered.
- the colored layer (B) may be entirely a colored portion, or may be a portion having a colored portion and a portion other than the colored portion being transparent.
- melt-processable fluorine-containing polymer layer (A) and the colored layer (B) may be located on the inner layer side.
- the melt-strengthening fluoropolymer layer (A) is generally composed of a melt-processable fluoropolymer.
- the melt-processable fluorine-containing polymer is a polymer having melt-processability and having at least one hydrogen atom bonded to a carbon atom substituted with a fluorine atom.
- melt-processable fluorine-containing polymer examples include black-mouthed trifluoroethylene polymer, fluorinated butyl polymer, and vinylidene fluoride polymer. Tetrafluoroethylene copolymer in terms of corrosion resistance and workability It is more preferable that
- melt processability means the property of a polymer that can measure the melt flow at a temperature higher than the crystallization melting point in accordance with ASTM D-1238 and D-2116.
- the tetrafluoroethylene copolymer is obtained by copolymerizing tetrafluoroethylene [TFE] with fluoroolefin other than TFE and / or fluorine-free ethylenic monomer. That's right.
- TFE tetrafluoroethylene
- a more preferred lower limit is 85 mol%, and a still more preferred lower limit is 90 mol%.
- total monomer unit means all portions derived from the monomer in the molecular structure of the TFE copolymer.
- TFE unit means a molecular structure of the TFE copolymer
- the fluororefin other than the above TFE is not particularly limited, and examples thereof include hexafluoropropylene [HFP], perfluoro (alkyl butyl ether) [PAVE],
- Perfluoroethylenic monomers such as vinylidene fluoride [VdF], hydrogen such as trifluoroethylene, fluorinated bulu, trifluoropropylene, pentafluoropropylene, tetrafluoropropylene, hexafluoroisobutene Containing fluoroethylenic monomer: Chlorine-containing fluoroethylenic monomer such as black trifluoroethylene [CTFE].
- VdF vinylidene fluoride
- H hydrogen
- fluorinated bulu trifluoropropylene
- pentafluoropropylene pentafluoropropylene
- tetrafluoropropylene hexafluoroisobutene Containing fluoroethylenic monomer
- Chlorine-containing fluoroethylenic monomer such as black trifluoroethylene [CTFE].
- perfluoro pure pinole vinino ree tenole
- nov no leo throat ethino levinino ree tenole
- nov noreo throat methyl vinyl ether
- Fluoroolefins other than the above TFE can be used alone or in combination of two or more.
- the fluorine-free ethylenic monomer is not particularly limited, and examples thereof include ethylene t], propylene, butene, pentene and other monoolefin monomers having 2 to 10 carbon atoms;
- Examples include alkyl vinyl ethers having an alkyl group of 120 carbon atoms such as norevinino etherenole, ethyl vinyl ether, propyl vinyl ether, cyclohexyl vinyl ether, hydroxybutyl vinyl ether, and butyl vinyl ether.
- the fluorine-free ethylenic monomers can be used alone or in combination of two or more.
- the tetrafluoroethylene copolymer is particularly excellent in corrosion resistance and chemical resistance, and further, as a fluid transport tube, does not contaminate the internal fluid and has a high visible light transmittance.
- TFEZPAVE copolymer [PFA]
- TFEZHFP copolymer [FE P] Et / TFE copolymer or TFE / VdF copolymer is preferred and PFA is more preferable. preferable.
- the resulting laminate is used as a fluid transport tube and UV irradiation is performed from outside the transport tube for the purpose of sterilizing fluids such as milk, heat resistance is required, and germs are difficult to propagate. More preferably, it is PFA.
- the above-mentioned melt-processable fluorine-containing polymer is preferably a polymer having no unstable terminal from the viewpoint of chemical resistance.
- the unstable terminal means COF 2 -CH OH
- PFA is an unstable terminal such as C ⁇ F-CH ⁇ H-CONH in terms of chemical resistance.
- the end group of the melt-strengthening fluorine-containing polymer is preferably CF.
- the melt-processable fluorine-containing polymer may be a polymer obtained by polymerizing a functional group-containing ethylenic monomer as a comonomer.
- the melt-strengthening fluorine-containing polymer is a tetrafluoroethylene [TFE] copolymer
- the polymer may be polymerized with a functional group-containing ethylenic monomer as a comonomer.
- the “functional group-containing ethylenic monomer” means a hydroxyl group, a carboxyl group, a carboxyl group forming a salt, an alkoxycarbon group and / or an epoxy group as a functional group.
- the functional group-containing ethylenic monomer includes the following general formula (I)
- Rf 1 is preferably a fluorine-containing alkylene group having 1 to 40 carbon atoms or a fluorine-containing alkylene group having an ether bond having 1 to 40 carbon atoms.
- CF 2 CFCF E COOH
- CF E CFCF 2 CH 2 OH
- CF 2 CFCF 2 O CFgCF2CF2COOH
- CF g CFCF 2 OCF 2 CFCOOCH3
- CH 2 CHCF 2 CF 2 CH 2 CH 2 COOH
- CH 2 CH (CF2) 4CH2CH2CH20H
- the ratio of the functional group-containing ethylenic monomer unit to the total monomer units constituting the TFE copolymer is: 0.002 to 30 Monore 0/0, it forces S preferred Les,. If it is less than 0.002 Monore 0/0, below the lower limit the effect of copolymerization based on the officer functional group-containing ethylenic monomers may be detected.
- Preferred lower limit is 0 - 01 mole 0/0, still more preferred lower limit is 0.05 mole 0/0.
- total monomer unit means all portions derived from the monomer in the molecular structure of the TFE copolymer.
- the “functional group-containing ethylenic monomer unit” means a portion derived from the functional group-containing ethylenic monomer in the molecular structure of the TFE copolymer.
- the ratio of the above "functional group-containing ethylenic monomer units” depends on the type of functional group-containing ethylenic monomer units. 19 F-NMR analysis, infrared spectrophotometer [IR], elemental analysis, X-ray fluorescence analysis It is a value obtained by performing combining suitably.
- the melt-processable fluorine-containing polymer layer (A) may contain a colorant as long as it does not elute into the chemical solution used.
- a colorant examples include those exemplified as those contained in the later-described colored layer (B).
- the thickness of the melt-processable fluorine-containing polymer layer (A) is not particularly limited, and is preferably a force that can be appropriately adjusted to such an extent that sufficient visible light transmittance is exhibited. .
- the colored layer (B) contains a CTFE copolymer and a colorant.
- the CTFE copolymer in the colored layer (B) is a concept that should be distinguished from the CTFE copolymer in the melt-processable fluoropolymer layer (A) in that it is used for the colored layer (B). As long as the requirements regarding the structural unit and the content thereof are satisfied, it does not exclude that the CTFE copolymer has the same composition as the melt-processable fluorine-containing polymer layer (A).
- the CTFE copolymer contains at least a chlorofluoroethylene unit [CTFE unit], a tetrafluoroethylene unit [TFE unit], and a monomer copolymerizable with CTFE and TFE.
- the monomer unit derived from is a structural unit.
- CTFE unit and the “TFE unit” refer to the CTFE copolymer molecular structure, a part derived from CTFE [one CFC1-CF-] and a part derived from TFE, respectively.
- the [monomer unit] is the molecular structure of the CTFE copolymer.
- the monomer [iii] is not particularly limited as long as it is a monomer copolymerizable with CTFE and TFE.
- ethylene, vinylidene fluoride [VdF], perfluoro (alkyl vinyl) can be used.
- Nyl ether) [PAVE] the following general formula (II)
- X 3 , X 4 and X 5 are the same or different and each represents a hydrogen atom or a fluorine atom;
- X 6 represents a hydrogen atom, a fluorine atom or a chlorine atom;
- Rf 2 is per full O b alkyl group of 1 to 5 carbon atoms
- Rf 2 is per full O b alkyl group of 1 to 5 carbon atoms
- alkyl perf Ruo b ether derivatives represented by.
- the monomer [iii] may further be unsaturated carboxylic acids copolymerizable with CTFE and TFE described in WO 2005Z100420 pamphlet.
- the monomer [ii] is preferably at least one selected from the group consisting of Et, VdF, PAVE, and a bule monomer represented by the general formula (II).
- the CTFE copolymer is obtained by adding TFE as an essential monomer and further adding the monomer [ ⁇ ] at a specific ratio described later, thereby providing heat resistance, molding , Stress resistance, crack resistance, and chemical resistance.
- the CTFE copolymer has not only gas barrier properties and low water vapor permeability, but also low liquid permeability such as chemicals.
- the monomer [ ⁇ ] unit is 0.1 to 10 mol%, and the C TFE unit and the TFE unit are 90 to 99.9 mol% in total. is there. If the monomer unit is less than 0.1 mol%, the moldability, environmental stress crack resistance and stress crack resistance are inferior. If it exceeds 10 mol%, the chemical solution has low permeability and heat resistance. , Tend to be inferior in mechanical properties and productivity.
- the monomer [ ⁇ ] is PAVE
- a more preferred lower limit to the monomer [shed] units 0s. 5 Monore 0/0
- more preferable upper limit is 5 mole 0/0
- a still more preferred upper limit is 3 mole %.
- the ratio of each monomer unit in the CTFE copolymer was measured by the same method as the ratio of the functional group-containing ethylenic monomer unit described above.
- CTFE copolymer in the present invention examples include CTFE / TFE / HFP copolymer, CTFEZTFEZVdF copolymer, CTFEZTFEZPAVE copolymer, and CTFEZTF.
- CTFE / TFE among other forces such as E / HFP / PAVE copolymer, CTFE / TFE / VdF / PAVE copolymer, CTFE / TFE / Et copolymer, CTFE / TFE / Et / PAVE copolymer, etc. / PAVE copolymer is preferred.
- the CTFE copolymer may be a polymer constituting either a resin or an elastomer, but preferably constitutes a resin.
- CTFE copolymer those having physical properties described in International Publication No. 2005/100420 pamphlet are preferable.
- the colorant is preferably a color pigment.
- pigment there are no particular limitations on the type of the above-mentioned colored pigment (hereinafter simply referred to as “pigment”).
- pigment carbon, titanium oxide, bengara, my power, cobalt oxide, bismuth oxide, antimony trioxide white, and key acid-coated yellow Lead, silicate coated molybdate orange, silicate coated iron oxide, cadmium red, cadmium orange, cadmium yellow, ultramarine, cobalt, violet, chromium oxide and other inorganic pigments; organic pigments such as phthalocyanine pigments and perylene pigments, etc. Can be used alone or in combination of two or more.
- the above-mentioned pigments include cadmium, lead, cobalt (chemical substance transfer and transfer) that require companies to bear the burden of environmental protection under the EU Waste Electrical and Electronic Equipment Recycling Order [WEEE], the ban on the use of specific substances [RoHS], etc.
- pigments containing titanium, nickel, niobium, etc. which preferably do not contain antimony (PRTR designation), etc.
- the said pigment is based also on the kind to be used, it is preferable that it is 0.001-20 mass parts with respect to 100 mass parts of said CTFE copolymers from the point of visibility of the laminated body obtained.
- the colored layer (B) is composed of a matrix in which the pigment is uniformly dispersed as the entire colored layer, and the surface layer portion is subjected to a surface treatment such as etching to uniformly disperse the pigment.
- the pigment As a partially colored layer, the pigment is arranged so that a pattern is formed and the other part is transparent, and the pigment is loaded in the groove of the surface layer so that the surface layer forms a pattern.
- the above “pattern” includes not only patterns in a normal sense such as stripes, polka dots, and spirals, but also numerals such as Arabic numerals and Roman numerals; alphabets, kanji, hiragana, katakana, and other characters. It is.
- the colored layer (B) may contain a resin other than the CTFE copolymer, if desired, in addition to the CTFE copolymer and the colorant.
- the resin other than the CTFE copolymer is contained in a range not impairing the characteristics of the present invention, and is preferably 10% by mass or less of the total resin in the colored layer (B).
- Examples of the resin include TFE / HFP copolymer [FEP].
- CTFE copolymer and the colorant can be mixed by either wet mixing or dry mixing.
- a twin screw extruder for the dry mixing, a twin screw extruder, a Henschel mixer, a tumbler mixer, or the like is used.
- the particle diameter of the pigment after the mixing is preferably from 0.:! To 2 ⁇ so that the obtained laminate satisfies the visible light transmittance in the above range.
- the particle diameter of the pigment after mixing is an average particle diameter that can be measured using a laser scattering method.
- the material of the colored layer (B) may be prepared by mixing colored pellets using color pellets as a master batch.
- the colored layer (B) may have a conductive substance as will be described later.
- the thickness of the colored layer (B) is preferably, for example, 0.01 mm or more and 3.5 mm or less. If the thickness is less than 0.01 mm, the pulling strength of the resulting laminate may be inferior. If it exceeds 3.5 mm, the visibility of the obtained laminate may be inferior.
- the upper limit of the thickness is more preferably 3 mm, and still more preferably 1.6 mm. If it is within the above range, it may be 0.5 mm or more.
- the laminate of the present invention has a configuration in which the innermost layer is composed of the melt-strengthening fluoropolymer layer (A) and the colored layer (B) is disposed on the outer layer side, Easy to distinguish from the tube In addition, it is possible to visually recognize the flow state of the internal fluid, and further, it is possible to achieve an effect without contaminating the fluid described later.
- the laminate of the present invention may have a gas barrier layer (C) in addition to the above-described melt-processable fluoropolymer layer (A) and colored layer (B).
- the pigment does not migrate from the colored layer (B) to the melt-processable fluoropolymer layer (A), but has penetrated from the melt-processable fluoropolymer layer (A). It is also considered that the colored layer (B) may be discolored depending on the components.
- the laminate of the present invention has the above-described melt-processable fluorine-containing polymer layer (A) and colored layer from the viewpoint of preventing discoloration of the colored layer (B), particularly when used as a fluid transport pipe for transporting gas components It is preferable to appropriately provide a gas barrier layer (C) between (B).
- the material of the gas barrier layer (C) is not particularly limited.
- the gas barrier layer (C) is excellent in oxygen barrier properties, such as polybulal alcohol, ethylene / butyl alcohol copolymer; barrier properties against carbon dioxide, water vapor, and the like.
- PCTFE polychloroethylene
- PAN polyacrylonitrile
- PET polyethylene terephthalate
- PBT polybutylene terephthalate
- PEN polyethylene naphthalate
- PBN polybutylene naphthalate
- PPS polyphenylene sulfide
- PGA polyglycolic acid
- PVDC polybuluchlori
- PVDC polyvinylidene chloride
- PVDF Polyvinyl fluoride
- PVDF polyvinylidene fluoride Force S, which shows a sufficient barrier property against the gas species that should be considered for its rear property, and the thickness can be freely selected according to the structure of the above-mentioned layers (A) and (B). it can.
- the colored layer (B) may be the outermost layer, but a coating layer (D) is further provided on the colored layer (B). It ’s okay.
- a protective layer for protecting the colored layer (B) is preferred, and in addition to the function of protecting the colored layer (B) or the function of protecting the colored layer (B).
- a conductive layer may be used.
- the material of the coating layer (D) is not particularly limited.
- polyurethane resin polyurethane resin; polyester resin; aramid resin; polyimide resin; polyamideimide resin; Acetal resin; Polycarbonate resin; Acrylic resin; Styrene resin; Atalylonitrile / butadiene / styrene resin; Polyolefin resin such as polyethylene resin, polypropylene resin, vinyl chloride resin; Cellulose resin; Polyvinyl alcohol resin; Ethylene / Examples include resins made of butyl alcohol copolymer. Among them, in terms of processability, and in order to avoid deterioration of the resin, the melting point of the inner layer is close to that of the fluororesin. preferable.
- the coating layer (D) is a conductive layer, it usually contains a conductive substance as the material, and the conductive substance is not particularly limited, and examples thereof include carbon black, acetylene black, Carbon fiber etc. are mentioned.
- the amount of the conductive substance added to the conductive layer is such that the obtained laminate has a visible light transmittance of 25% or more with respect to visible light from all outer peripheral directions, or the obtained laminate has Visible light transmittance of 25 on the outer surface. /. If the area of the part is above 90% of the entire outer surface area,
- melt processable fluoropolymer layer (A) and the colored layer (B) in the laminate of the present invention, and the gas barrier layer (C) and / or the coating layer (D) to be laminated as desired are laminated. If it is a conventionally well-known thing, it will not be specifically limited.
- each layer is made separately and the inner layer is inserted into the outer layer, the outer layer, which is a heat-shrinkable tube, is placed on the inner layer, the inner layer material rather than the outer layer material If the melting point is higher, the outer layer is melt-coated using a crosshead on the inner tube as in the case of wire coating, and the outer layer material is made of a solution that can be made into a solution such as PVdF.
- a method of immersing the inner tube in a paint in which the material of the outer layer is dissolved, drying it appropriately, and baking it may be considered, but a simultaneous multi-layer molding method is generally used in order to reduce costs and keep cleanliness high. .
- the “outer layer” is a layer that is used in combination with the word “inner layer” and is located relatively outside the inner layer.
- an inorganic coating is deposited on the outer surface of the melt processable fluorine-containing polymer layer (A), or the outer surface of the melt processable fluorine-containing polymer layer (A) is subjected to sputtering treatment. Or may be provided with a colored layer (B) or gas barrier layer (C). Les.
- Vapor deposition and sputtering treatment are not preferable in terms of cleanliness and cost, but when used as a fluid transport pipe, the fluid inside is the outer surface of the melt-processable fluoropolymer layer (A). It may be preferable from the viewpoint of preventing the penetration of the water.
- the colored layer (B) is prepared using a CTFE copolymer. Therefore, after undergoing melt molding using a material comprising a CTFE copolymer, After applying a paint or powder coating and firing, the shape of the CTFE copolymer particles usually disappears, even if the shape of the melt-processable polymer is retained before firing. Excellent adhesion. Furthermore, the laminate of the present invention exhibits excellent adhesion particularly when the melt-processable fluorine-containing polymer layer (A) and the colored layer (B) are in contact with each other. can do.
- a three-layer tube that does not easily peel can be formed by selecting a material that takes into consideration the adhesiveness to the processable fluorine-containing polymer layer (A) and the adhesiveness to the colored layer (B).
- the laminate of the present invention has excellent visibility and chemical liquid permeability despite the fact that the colored layer (B) contains a colorant in addition to the CTFE copolymer.
- the laminate of the present invention 4. 35% hydrochloric acid permeability coefficient 5 X 10 _ 13 [(g 'cm) / (cm 2' sec) is a is preferable instrument more preferably less than 1. 0 x 10_ 13 [(g 'cm) / (cm 2 ' s)] and the lower limit is not particularly limited, but 1 ⁇ 0 X 10_ 15 [(g 'cm) / (cm 2 ' s)] The power S can be increased.
- the lower limit of 35% hydrochloric acid permeation coefficient should be set lower based on demands for reducing structural damage such as damage to the surroundings of the piping, decoloration damage of the colored layer (B), and cracks in the laminate due to permeation. Can do.
- the 35% hydrochloric acid permeability coefficient in this specification is measured based on the method described in International Publication No. 2005Z100420 pamphlet. For example, when the measurement target is a tube, as shown in FIG. Can be measured by the method.
- the sample is left in this state and sampled about 1 ml from the sampling port (4), and the chlorine ion concentration Y (ppm) contained in the pure water is ion chromatograph (product name: IC7000 _E, Yokogawa Electric Corporation). Product) and calculated using the following formula.
- T Elapsed time from the start of transmission to sampling (unit: seconds)
- Tube wall thickness (unit: cm)
- Cross-sectional area The area of the part where the pure water of the tube comes into contact with the permeation tester (unit: cm 2)
- the laminate of the present invention includes the coloring layer (B) and the melt strength property in that it avoids problems associated with long-term use, such as an increase in chemical permeability coefficient and a decrease in mechanical properties.
- the initial bond strength between each layer is preferably 20 NZcm or more, more preferably 25 NZcm or more, and the upper limit of the initial bond strength is not particularly limited. / cm.
- the initial bond strength depends greatly on the molding upper limit temperature (Td), which does not change by more than 5% after exposure for 10 minutes or more, and the melting point (Tm) detected by differential scanning calorimetry (DSC).
- Td molding upper limit temperature
- Tm melting point
- DSC differential scanning calorimetry
- the initial adhesive strength is evaluated based on the adhesive strength measurement described in International Publication No. 2005/1004 20 pamphlet for unused ones. For example, when the laminate is a tube, it is evaluated as described below.
- the laminate of the present invention has a force with which the visible light transmittance is generally 5% or more, preferably 25% or more, with respect to visible light from all outer circumferential directions, or the outer surface of the obtained laminate.
- the visible light transmittance is generally 5% or more, preferably 25% or more, so long as the area of the portion is 90% or more of the entire outer surface area.
- the visible light transmittance is measured based on the method described in International Publication No. 2005/047747.
- the fluid transport pipe of the present invention uses the laminate of the present invention described above.
- the fluid may be either a gas or a liquid, and the liquid may be a volatile liquid or a fluid containing solid fine particles such as an abrasive.
- the fluid is not particularly limited, and examples thereof include food and drink such as milk, gas, and chemicals.
- gas examples include, but are not limited to, ozone, hydrogen, oxygen, and low molecular weight fluorocarbon. These exemplified gases may be gases used in the semiconductor manufacturing field.
- the chemical solution 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; peroxides such as hydrogen peroxide; Liquid mixture of the above-mentioned inorganic acids such as phosphoric acid / sulfuric acid / hydrogen peroxide and hydrogen peroxide solution; alkaline solution such as sodium hydroxide, potassium hydroxide and aqueous ammonia; alcohols such as methanol and ethanol; ethylenediamine, Amines such as diethylenetriamine and ethanolamine; Amides such as dimethylacetamide; Esters such as ethyl acetate and butyl acetate Hydrocarbons such as xylene; chlorinated solvents such as trichlorethylene; ketones such as acetone; ozone water; ultrapure water; functional water; and liquids such as a mixture of two
- the functional water is a liquid obtained by dissolving hydrogen and ammonia in ultrapure water in the semiconductor manufacturing field.
- the pigment contained in the colored layer (B) is cut in the fluid flowing through the fluid transport pipe. It is preferable to avoid mixing from the inside.
- a joint having a structure in which the fluid does not directly contact the end of the fluid transport pipe or direct fluid transport is used.
- Examples of the above-mentioned “method using a joint having a structure in which a fluid does not directly contact” include the method disclosed in Japanese Patent Laid-Open No. 05-322091, and the like.
- the fluid transport pipe of the present invention can be used for visually recognizing the type of fluid passing through the fluid transport pipe.
- the type of the fluid can be recognized by identifying the color or pattern of the fluid transport tube by using the fluid transport tube of the present invention. For example, when using a fluid transport pipe of the present invention two or more, or, when using the other tube 1 or more for transporting fluid transport pipe 1 or more and fluids of the present invention, in advance how By deciding what kind of fluid is allowed to flow through the fluid transport pipe of the present invention with a particular color or pattern, comparison of the outside of the fluid transport pipe or the above-mentioned other pipes, such as a monitor monitor, etc. Even from a distance, it is possible to visually abolish what kind of fluid is flowing through which fluid transport pipe.
- the fluid transport pipe of the present invention can also have visibility so that the inside of the pipe can be seen from the outside as described above, what kind of fluid it is from the appearance characteristics such as coloring of the fluid itself. seed It can also be possible to know the kind.
- the fluid transport pipe has a high visible light transmittance, and can easily recognize the distribution state of the fluid visually by an external force, and can greatly improve the maintainability.
- the fluid transport pipe of the present invention can also be used as a fluid transport pipe for identification.
- the discriminating fluid transport pipe is used when visually discriminating from other fluid transport pipes other than the discriminating fluid transport pipe. Even if the other fluid transport pipes satisfy the requirements of the fluid transport pipe of the present invention or for transporting a fluid that does not satisfy the requirements, the identification of the present invention It may be different from the color and / or pattern of the fluid transport pipe for use.
- the identifying fluid transport pipe can be distinguished from the other fluid transport pipes, either the color or the pattern may be the same as the other fluid transport pipe.
- the other fluid transport pipes described above may not be necessarily colored but may be transparent over the entire outer surface area.
- a tube using the laminate of the present invention described above is also one aspect of the present invention.
- the tube of the present invention can adopt the same layer configuration and application as the above-mentioned fluid transport pipe, for example, a manufacturing apparatus, a processing apparatus, a semiconductor manufacturing factory, a semiconductor substrate manufacturing factory in a semiconductor manufacturing line. It can be applied to chemical supply systems in semiconductor chemical manufacturing plants and the like. Further, the tube can be applied to a manufacturing apparatus, a processing apparatus, etc. in a crystal panel manufacturing line.
- a semiconductor manufacturing apparatus of the present invention includes the above-described fluid transport pipe or the above-described tube.
- the semiconductor manufacturing apparatus includes a manufacturing apparatus for manufacturing a semiconductor or a semiconductor peripheral member, and a chemical transport pipe for transporting a chemical liquid used in the manufacturing apparatus, and the chemical transport pipe is the fluid transport pipe or It can be said tube.
- the semiconductor manufacturing apparatus may be the smallest unit that can be marketed as a manufacturing apparatus.
- a composite apparatus in which a plurality of the minimum unit manufacturing apparatuses are combined may be used.
- the semiconductor manufacturing apparatus is not particularly limited as long as the apparatus uses a chemical solution.
- the apparatus uses a chemical solution.
- the chemical solution supply system to the semiconductor production line of the present invention includes the above-described fluid transport pipe or the above-described tube.
- the chemical solution supply system to the semiconductor production line is a production line comprising a production device for producing a semiconductor or a semiconductor peripheral member, and the fluid transport pipe or the tube for transporting a chemical solution used in the production device. It can be a system.
- Examples of the chemical solution supply system to the semiconductor production line include those including the above-described semiconductor production apparatus and a chemical solution supply system including a chemical solution tank and a pump.
- the chemical solution supply system to the semiconductor production line of the present invention is a system in which the chemical solution supply system is further connected between the plurality of production apparatuses in the production process, if desired, by the fluid transport pipe or the tube of the present invention. Including.
- the fluid transport pipe of the present invention and the tube of the present invention are used in addition to the chemical solution supply system to the semiconductor manufacturing apparatus and the semiconductor manufacturing line, in addition to applications where it is desired to prevent contamination of the fluid flowing through the pipe,
- it can be suitably used for liquid crystal panel production systems, pharmaceutical production line systems, food and beverage production line systems, and the like.
- the liquid crystal panel manufacturing apparatus includes a manufacturing apparatus for manufacturing a liquid crystal panel and a fluid transport pipe or tube for transporting a chemical used in the manufacturing apparatus.
- the fluid transport pipe or tube includes These can be the fluid transport pipe of the present invention or the tube of the present invention, respectively.
- the fluid transport pipe or tube for transporting the chemical liquid can take the same configuration as the chemical liquid supply system to the semiconductor production line of the present invention described above.
- the laminate of the present invention can show visibility and has excellent chemical liquid permeability.
- the fluid transport tube and tube made of this laminate are intended to be a specific fluid transport tube.
- Other pipe forces can be easily identified by visual inspection, and the internal fluid The flow state can be visually confirmed, and the internal fluid can be prevented from being contaminated.
- the fluid transport pipe of the present invention can be suitably used in various production fields such as semiconductors, liquid crystal panels, pharmaceuticals, and food and drinks.
- the amount of the composition in each example and comparative example is based on mass unless otherwise specified.
- the ratios of monomer units, chemical permeability test, adhesive strength, and chemical permeability are the same as described in International Publication No. 2005/100420 pamphlet, Example 1.
- the visible light transmittance and liquid level confirmation test were measured in the same manner as in International Publication No. 2005/047747 Pamphlet, Example 1, and the colorability and hue were measured by a color computer (product). Name: SM-7, manufactured by Suga Test Instruments Co., Ltd.), and when the numerical change rate was less than 1.0%, the hue was regarded as unchanged.
- Tetrafluoroethylene [TFE] / Perfluoro (alkyl vinyl ether) [PAVE] Copolymer [PFA] pellets (trade name: NEOFLON PFA AP231—SH, manufactured by Daikin Industries, Ltd.) are used as the melt-resistant fluorine-containing polymer layer (A), and the melt-resistant fluorine-containing polymer layer (A) Is the outer layer, and the colored layer (B) obtained from the mixed pellet obtained in Example 1 (1) of the present application is the outer layer.
- WO 2005/100420 Pamphlet Example 1 [Laminated tube A of Based on the above, a two-layer tube (outer layer thickness 0.2 mm, inner layer thickness 1.4 mm) with an outer diameter of 19. lmm and an inner diameter of 15.9 mm was prepared.
- the obtained two-layer tube shows sufficient colorability, the accuracy rate in visibility evaluation is 100%, the visible light transmittance is 25% or more, the tube adhesive strength is 24NZcm, and the 35 mass% hydrochloric acid permeability coefficient is 0. 93 X 10-13 [(g-cm) / (cm 2 'sec)].
- Example 1 (1) Two parts by mass of titanium oxide, aluminum, and cobalt pigment (average particle size 0.3 zm) are mixed with 98 parts by mass of the CTFE copolymer described in Example 1 (1) of the present application, and the obtained mixture is further mixed. It was mixed (diluted) with a 50-fold mass of the CTFE copolymer described in Example 1 (1). The pigment-dispersed CTFE copolymer pellets thus obtained were used as a colored layer for the outer layer. Other than this, a two-layer tube was prepared and evaluated in the same manner as in Example 1 above. Visibility and visible light transmittance were the same as in Example 1. The adhesive strength was 29 N / cm, and the 35 mass% hydrochloric acid permeability coefficient was 0 ⁇ 90 ⁇ 10 — 13 [(g ′ cm) / (cm 2 ′)].
- a two-layer tube was prepared and evaluated in the same manner as in Example 1 except that 49) was used as the colored layer for the outer layer. Visibility and visible light transmittance were the same as in Example 1 above.
- the adhesive strength was 27 NZcm, and the 35 mass% hydrochloric acid permeability coefficient was 0.92 X 10-13 [(g ⁇ cm) Z (cm 2 ⁇ sec)].
- the colored layer (B) obtained from the mixed pellet obtained in Example 1 (1) of the present application is the inner layer and the layer obtained from the PFA pellet described in Example 1 (2) of the present application is the outer layer.
- the same f parity as in Example 1 was performed.
- the obtained two-layer tube exhibits sufficient colorability, the correct answer rate in visibility evaluation is 100%, the visible light transmittance is 25% or more, the adhesive strength is 26 N / cm, and the 35 mass% hydrochloric acid permeability coefficient is 0. 81 X 10—13 [(g ⁇ cm) / (cm 2 ⁇ second)].
- Example 2 In addition to providing a 0.15mm thick polychlorinated trifluoroethylene (trade name: NEOFLON PCTFE M-300PL, manufactured by Daikin Industries) as the outermost layer on the outside of the colored layer (B).
- a melt-resistant fluorine-containing polymer layer (A) and a colored layer (B) were provided to produce a three-layer tube. Visibility and visible light transmittance were the same as in Example 1 above.
- the adhesive strength between the innermost layer (A) and the colored layer (B) was 25 N / cm.
- the adhesion strength between the colored layer (B) and the outermost polychloroethylene layer was 21 N / cm. 35 mass 0 /.
- the hydrochloric acid permeability coefficient was 0.43 X 10 " 13 [(g-cm) / (cm 2 'sec)].
- Example 1 (1) of the present application The layer obtained from the CTFE copolymer pellets prepared in the same manner as in Example 1 (1) of the present application was used as the outer layer, and the layer obtained from the PFA pellets described in Example 1 of the present application was extruded to be the inner layer. Except for the above, a two-layer tube was prepared in the same manner as in Example 1 of the present application and evaluated.
- the obtained two-layer tube showed the same visibility and visible light transmittance as the two-layer tube of Example 1 of the present application, had an adhesive strength of 23 N / cm, and a 35 mass% hydrochloric acid permeability coefficient of 0.84 ⁇ 10.
- _ 13 [(g ⁇ cm) / (cm 2 ⁇ second)].
- Pigment-dispersed CTFE copolymer pellets obtained by mixing 35 parts by mass of iron oxide-based red pigment (average particle size 0.17 zm) with 100 parts by mass of the CTFE copolymer of Example 1 of the present application as a coloring layer material
- a two-layer tube was produced under the same conditions as in Example 1 except that the outer diameter was 25 mm, the outer diameter was 25 mm, the inner diameter was 20 mm, the outer layer thickness was 1.0 mm, and the inner layer thickness was 1.2 mm.
- the obtained two-layer tube had a visible light transmittance of less than 5% with respect to visible light from all outer circumferential directions, and a visibility rate of 32%.
- the layer obtained from the PFA pellets described in Example 1 (2) of the present application is used as the inner layer.
- Name: NEOFLON PFA AP231—SH, manufactured by Daikin Industries, Ltd. and PFA color pellets (Product name: NEOFLON PFA AP-210RD, manufactured by Daikin Industries, Ltd.) (mixing ratio PFA color pellets: PFA pellets 1:49 )
- Force A two-layer tube was prepared in the same manner as in Example 1 except that the obtained layer was an outer layer.
- the obtained two-layer tube showed sufficient coloring properties, and the 35 mass% hydrochloric acid permeability coefficient was 6.13 ⁇ 10-13 [(g ′ cm) / (cm 2 ′)].
- the laminate of the present invention can exhibit good chemical solution low permeability, adhesiveness and visibility, so that fluid transport pipes, tubes, and particularly fluids in a chemical solution supply system to a semiconductor production line can be used. It can be suitably used as a body transport tube.
- the fluid transport pipe of the present invention can be suitably used in various production fields such as semiconductors, liquid crystal panels, pharmaceuticals, food and drinks.
- FIG. 1 is a diagram showing a measurement method of a 35 mass% hydrochloric acid permeability coefficient.
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Abstract
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KR1020087031775A KR101047259B1 (ko) | 2006-06-09 | 2007-06-08 | 적층체, 유동체 수송관, 튜브, 반도체 제조 장치 및 약액 공급 시스템 |
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WO2005047747A1 (ja) * | 2003-11-14 | 2005-05-26 | Daikin Industries, Ltd. | 流動体輸送管、半導体製造ラインシステム及び液晶パネル製造ラインシステム |
WO2005100420A1 (ja) * | 2004-04-13 | 2005-10-27 | Daikin Industries, Ltd. | クロロトリフルオロエチレン共重合体 |
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WO2005100420A1 (ja) * | 2004-04-13 | 2005-10-27 | Daikin Industries, Ltd. | クロロトリフルオロエチレン共重合体 |
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KR101047259B1 (ko) | 2011-07-06 |
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