WO2021054364A1 - チューブおよびフレグランス製品 - Google Patents
チューブおよびフレグランス製品 Download PDFInfo
- Publication number
- WO2021054364A1 WO2021054364A1 PCT/JP2020/035090 JP2020035090W WO2021054364A1 WO 2021054364 A1 WO2021054364 A1 WO 2021054364A1 JP 2020035090 W JP2020035090 W JP 2020035090W WO 2021054364 A1 WO2021054364 A1 WO 2021054364A1
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- WO
- WIPO (PCT)
- Prior art keywords
- fluoropolymer
- tube
- tfe
- copolymer
- mol
- Prior art date
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- 239000003205 fragrance Substances 0.000 title claims description 43
- 229920002313 fluoropolymer Polymers 0.000 claims abstract description 137
- 239000004811 fluoropolymer Substances 0.000 claims abstract description 137
- 239000007788 liquid Substances 0.000 claims abstract description 62
- 239000000155 melt Substances 0.000 claims abstract description 20
- 238000002834 transmittance Methods 0.000 claims abstract description 18
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 89
- 229920001577 copolymer Polymers 0.000 claims description 66
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 claims description 52
- 238000000034 method Methods 0.000 claims description 38
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims description 33
- -1 polychlorotrifluoroethylene, chlorotrifluoroethylene Polymers 0.000 claims description 24
- 241000251468 Actinopterygii Species 0.000 claims description 23
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 21
- 239000005977 Ethylene Substances 0.000 claims description 20
- 238000004380 ashing Methods 0.000 claims description 14
- 229910052791 calcium Inorganic materials 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 229910052700 potassium Inorganic materials 0.000 claims description 13
- 229910052725 zinc Inorganic materials 0.000 claims description 12
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 claims 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 1
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 47
- 239000000178 monomer Substances 0.000 description 45
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 38
- 239000008188 pellet Substances 0.000 description 17
- 238000006116 polymerization reaction Methods 0.000 description 14
- 238000001125 extrusion Methods 0.000 description 13
- KHXKESCWFMPTFT-UHFFFAOYSA-N 1,1,1,2,2,3,3-heptafluoro-3-(1,2,2-trifluoroethenoxy)propane Chemical compound FC(F)=C(F)OC(F)(F)C(F)(F)C(F)(F)F KHXKESCWFMPTFT-UHFFFAOYSA-N 0.000 description 12
- FJKIXWOMBXYWOQ-UHFFFAOYSA-N ethenoxyethane Chemical compound CCOC=C FJKIXWOMBXYWOQ-UHFFFAOYSA-N 0.000 description 12
- 230000003746 surface roughness Effects 0.000 description 12
- 238000005259 measurement Methods 0.000 description 10
- 238000000465 moulding Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 9
- BLTXWCKMNMYXEA-UHFFFAOYSA-N 1,1,2-trifluoro-2-(trifluoromethoxy)ethene Chemical compound FC(F)=C(F)OC(F)(F)F BLTXWCKMNMYXEA-UHFFFAOYSA-N 0.000 description 8
- 229910052731 fluorine Inorganic materials 0.000 description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 8
- 239000007921 spray Substances 0.000 description 8
- 238000005979 thermal decomposition reaction Methods 0.000 description 8
- 125000004432 carbon atom Chemical group C* 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 229910052794 bromium Inorganic materials 0.000 description 6
- 239000002304 perfume Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical group FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 description 4
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- QMIWYOZFFSLIAK-UHFFFAOYSA-N 3,3,3-trifluoro-2-(trifluoromethyl)prop-1-ene Chemical compound FC(F)(F)C(=C)C(F)(F)F QMIWYOZFFSLIAK-UHFFFAOYSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 238000007334 copolymerization reaction Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 125000001153 fluoro group Chemical group F* 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- LGPPATCNSOSOQH-UHFFFAOYSA-N 1,1,2,3,4,4-hexafluorobuta-1,3-diene Chemical compound FC(F)=C(F)C(F)=C(F)F LGPPATCNSOSOQH-UHFFFAOYSA-N 0.000 description 2
- MIZLGWKEZAPEFJ-UHFFFAOYSA-N 1,1,2-trifluoroethene Chemical group FC=C(F)F MIZLGWKEZAPEFJ-UHFFFAOYSA-N 0.000 description 2
- UZKWTJUDCOPSNM-UHFFFAOYSA-N 1-ethenoxybutane Chemical compound CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 2
- YTCHAEAIYHLXBK-UHFFFAOYSA-N 2-chloro-1,1,3,3,3-pentafluoroprop-1-ene Chemical compound FC(F)=C(Cl)C(F)(F)F YTCHAEAIYHLXBK-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical class C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- IAQRGUVFOMOMEM-UHFFFAOYSA-N but-2-ene Chemical compound CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 125000003709 fluoroalkyl group Chemical group 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 238000004736 wide-angle X-ray diffraction Methods 0.000 description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000001479 atomic absorption spectroscopy Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- XNMQEEKYCVKGBD-UHFFFAOYSA-N dimethylacetylene Natural products CC#CC XNMQEEKYCVKGBD-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000010977 jade Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F214/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F214/18—Monomers containing fluorine
- C08F214/26—Tetrafluoroethene
-
- 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
- F16L11/06—Hoses, i.e. flexible pipes made of rubber or flexible plastics with homogeneous wall
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/02—Ethene
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
- A45D34/02—Scent flasks, e.g. with evaporator
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
- A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
- A61L9/12—Apparatus, e.g. holders, therefor
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F214/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F214/18—Monomers containing fluorine
- C08F214/28—Hexyfluoropropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/20—Homopolymers or copolymers of hexafluoropropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F214/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F214/18—Monomers containing fluorine
- C08F214/22—Vinylidene fluoride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F214/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F214/18—Monomers containing fluorine
- C08F214/26—Tetrafluoroethene
- C08F214/262—Tetrafluoroethene with fluorinated vinyl ethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
- C08F2800/10—Copolymer characterised by the proportions of the comonomers expressed as molar percentages
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/10—Applications used for bottles
Definitions
- the present disclosure relates to tubes used for circulating liquids having a refractive index of 1.35 to 1.41, and fragrance products using such tubes.
- Liquid fragrances are sold to general consumers as fragrance products in the form of being housed in a transparent container equipped with a spray pump and a dispenser pump.
- Patent Document 1 discloses a tube made of a fluoropolymer as a tube for supplying a liquid fragrance to a spray pump or a dispenser pump.
- An object of the present disclosure is to provide a tube having low visibility when immersed in a liquid having a refractive index of 1.35 to 1.41.
- the tube for circulating a liquid having a refractive index of 1.35 to 1.41, the tube contains a fluoropolymer, and the melt flow rate of the fluoropolymer is 3 to 150 g.
- a tube is provided which is / 10 minutes and has a light transmittance of 85% or more at a wavelength of 300 nm of the fluoropolymer.
- the refractive index of the fluoropolymer is preferably 1.37 to 1.39.
- the haze value of the fluoropolymer is preferably 0.01 to 5.0%.
- the number of fish eyes of the fluoropolymer is preferably 5000 pieces / m 2 or less.
- the yellow index value of the fluoropolymer is 5 or less.
- the value of the tensile elastic modulus of the fluoropolymer is preferably 400 MPa or more.
- the tube of the present disclosure preferably has an outer diameter of 0.5 to 5.0 mm.
- the fluoropolymer is an ethylene / tetrafluoroethylene / hexafluoropropylene copolymer, a polychlorotrifluoroethylene, a chlorotrifluoroethylene-based copolymer, a vinylidene fluoride / tetrafluoroethylene copolymer, It is preferable that the fluoropolymer is at least one selected from the group consisting of a tetrafluoroethylene / hexafluoropropylene copolymer and a tetrafluoroethylene / hexafluoropropylene / vinylidene fluoride copolymer, and the fluoropolymer is ethylene / tetra. More preferably, it is a fluoroethylene / hexafluoropropylene copolymer.
- the content of each of Na, Cu, K, Ca, Fe, and Zn measured by the ashing method of the fluoropolymer is preferably 1.0 ⁇ g / 1 g or less.
- the liquid is a liquid fragrance.
- a container provided with the above tube is also provided.
- a fragrance product comprising a transparent container for containing a liquid having a refractive index of 1.35 to 1.41 and the tube for sucking up the liquid.
- the tube of the present disclosure is a tube for circulating a liquid having a refractive index of 1.35 to 1.41 and contains a fluoropolymer, and the melt flow rate of the fluoropolymer is 3 to 150 g / 10 minutes.
- the light transmittance of the fluoropolymer at a wavelength of 300 nm is 85% or more.
- the tube of the present disclosure is a tube for circulating a liquid having a refractive index of 1.35 to 1.41, and the liquid to which the tube of the present disclosure is applied has a refractive index of 1.35 to 1.41.
- a liquid may be, for example, a liquid fragrance.
- a liquid fragrance is a liquid containing a component that diffuses aroma, and usually contains a fragrance component.
- the liquid fragrance is composed, for example, by appropriately blending a fragrance component constituting a base note, a fragrance component constituting a middle note, or a fragrance component constituting a top note.
- Liquid fragrances are classified into, for example, perfume extract, perfume, eau de toilette, cologne, aftershave, etc., depending on the content ratio of the perfume component.
- the refractive index can be measured using an Abbe refractive index meter at 25 ° C. using a sodium D line as a light source.
- a liquid fragrance as an example of a liquid having a refractive index of 1.35 to 1.41 is sold to general consumers as a fragrance product in a form housed in a transparent container equipped with a spray pump or a dispenser pump. Often done. Then, the spray pump or the dispenser pump is provided with a tube for supplying the liquid fragrance to the spray pump or the dispenser pump (a tube for circulating the liquid fragrance), and such a tube is immersed in the liquid fragrance. In its original state, it is housed in a transparent container together with a liquid fragrance.
- a fragrance product containing a liquid fragrance is preferably excellent in appearance aesthetics due to the nature of the product. Therefore, the tube used for this is in a state of being immersed in the liquid fragrance. The low visibility, that is, the invisible state, especially the virtually invisible state (at first glance, it looks tubeless and cannot be seen unless you look carefully). desired.
- the present inventors assume that such a tube contains a fluoropolymer having a melt flow rate of 3 to 150 g / 10 minutes and a light transmittance of 85% or more at a wavelength of 300 nm. By doing so, it was found that the visibility can be made low. More specifically, it has been found that the visibility can be reduced when immersed in a liquid having a refractive index of 1.35 to 1.41 such as a liquid fragrance.
- the tube of the present disclosure may be a tube for circulating a liquid having a refractive index of 1.35 to 1.41, and therefore has a refractive index of 1.35 to 1.41 other than the liquid fragrance. Of course, it can also be used to distribute a liquid.
- the tube of the present disclosure contains a fluoropolymer having a melt flow rate of 3 to 150 g / 10 minutes and a light transmittance of 85% or more at a wavelength of 300 nm.
- the fluoropolymer used in the present disclosure has a melt flow rate (MFR) of 3 to 150 g / 10 minutes.
- the melt flow rate of the fluoropolymer is preferably 8 g / 10 minutes or more, more preferably 12 g / 10 minutes or more, further preferably 20 g / 10 minutes or more, and particularly preferably 25 g / 10 minutes or more. It is preferably 150 g / 10 minutes or less, more preferably 80 g / 10 minutes or less, further preferably 70 g / 10 minutes or less, still more preferably 60 g / 10 minutes or less, and particularly preferably 50 g / 10 minutes or less. It is less than 10 minutes.
- melt flow rate when the melt flow rate is in this range, the generation of melt fracture during tube molding can be effectively suppressed, which increases or reduces the visibility due to the refraction of light due to the unevenness caused by the generation of the melt fracture. Deterioration can be effectively suppressed, and as a result, the obtained tube can have low visibility.
- melt fracture occurs even when the tube is formed at a relatively high speed or when the tube is formed into a tube having a small diameter. It can be effectively suppressed, which can also contribute to the improvement of productivity.
- melt flow rate of the fluoropolymer is too low, melt fracture is generated on the outer surface or the inner surface of the tube when it is formed into a tube, which increases the visibility and is inferior in low visibility. It becomes a thing.
- melt flow rate of the fluoropolymer is too high, tube molding becomes difficult.
- the melt flow rate of the fluoropolymer conforms to ASTM D1238 and can be measured using a melt indexer.
- the set values such as the measurement temperature and the load may be determined with reference to the individual fluoropolymer standard (for example, ASTM D 2116).
- the fluoropolymer used in the present disclosure has a transmittance of light having a wavelength of 300 nm of 85% or more.
- the transmittance of light having a wavelength of 300 nm is preferably 88% or more, more preferably 90% or more, further preferably 91% or more, preferably 98% or less, and more preferably 96% or less. Yes, more preferably 95% or less.
- the transmittance of light having a wavelength of 300 nm is in this range, the obtained tube has high transparency and low visibility. If the transmittance of light having a wavelength of 300 nm is too low, the resulting tube will have low transparency, high visibility, and poor low visibility.
- the transmittance of light having a wavelength of 300 nm of a fluoropolymer can be measured at a wavelength of 300 nm using a spectrophotometer on a sheet of fluoropolymer having a thickness of 0.1 mm prepared by the following method.
- Method of producing fluoropolymer sheet Each resin pellet (fluoropolymer pellet) is placed in a mold having a diameter of 120 mm, set in a press machine heated to 300 ° C., melt-pressed at a pressure of about 2.9 MPa, and fluoro is 0.1 mm thick. Obtain a sheet of polymer.
- the refractive index of the fluoropolymer used in the present disclosure is not particularly limited, but is preferably 1.37 to 1.39, and more preferably 1.38 to 1.39. By having the refractive index of the fluoropolymer in this range, it is possible to reduce the difference in refractive index from the liquid to which the tube of the present disclosure is applied, which has a refractive index of 1.35 to 1.41. The visibility of the resulting tube can be made lower.
- the refractive index of the fluoropolymer can be measured using an Abbe refractive index meter at 25 ° C. using a sodium D line as a light source, and can be measured using a fluoropolymer sheet prepared by the above method.
- the haze value of the fluoropolymer used in the present disclosure is not particularly limited, but is preferably 0.01 to 5.0%, more preferably 0.05 to 3.0%, and even more preferably 0. It is 1 to 1.0%. By having the haze value of the fluoropolymer in this range, the visibility of the obtained tube can be made lower.
- the haze value of the fluoropolymer can be measured according to ASTM D1003 using a haze meter on a sheet of fluoropolymer having a thickness of 0.1 mm prepared by the above method.
- the number of fisheyes of the fluoropolymer used in the present disclosure is not particularly limited, but is preferably 5000 pieces / m 2 or less, more preferably 3000 pieces / m 2 or less, and further preferably 1000 pieces / m. It is 2 or less, and most preferably 500 pieces / m 2 or less.
- the fish eye is a foreign substance existing as an impurity in the fluoropolymer because its molecular weight and composition are significantly different from those of the target fluoropolymer, and can be visually recognized as a white opaque portion or protrusion during film molding.
- the number of fish eyes of the fluoropolymer can be measured by the following method. That is, fish eyes were detected on a film polymer having a thickness of 0.05 to 0.06 mm using a surface inspection device (manufactured by Mitsubishi Rayon Co., Ltd .: LSC-3100V), and the detected fish eyes had a side of 50 ⁇ m. The number of fish eyes of the above size is measured, the number of fish eyes per 1 m 2 is obtained, and this is defined as the number of fish eyes of the fluoropolymer (unit: piece / m 2 ).
- the yellow index of the fluoropolymer used in the present disclosure is not particularly limited, but is preferably 5 or less, more preferably 2 or less, further preferably 0 or less, and most preferably -3 or less. By having the yellow index of the fluoropolymer in this range, the visibility of the resulting tube can be reduced.
- the method for setting the yellow index of the fluoropolymer in the above range is not particularly limited, but for example, a method for adjusting the type and composition of the polymerization unit constituting the fluoropolymer, and the type of the polymerization raw material used for producing the fluoropolymer. And how to adjust the amount.
- the yellow index of the fluoropolymer can be measured according to JIS K7373 by filling a dedicated cell with resin pellets (fluoropolymer pellets) using a color difference meter (ZE-6000 manufactured by Nippon Denshoku Kogyo Co., Ltd.).
- the tensile elastic modulus of the fluoropolymer used in the present disclosure is not particularly limited, but is preferably 150 MPa or more, more preferably 400 MPa or more, further preferably 500 MPa or more, and particularly preferably 700 MPa or more. Most preferably, it is 850 MPa or more. When the tensile elastic modulus of the fluoropolymer is in this range, the insertability of the obtained tube can be improved.
- the tensile elastic modulus of the fluoropolymer can be measured by the following method.
- the resin pellets (fluoropolymer pellets) are placed in a mold, set in a press machine heated to 240 to 300 ° C., and melt-pressed at a pressure of 3 MPa to obtain a fluoropolymer sheet having a thickness of 2 mm. Then, using the obtained fluoropolymer sheet, the tensile elastic modulus was measured under the conditions of 25 ° C. and 50 mm / min according to ASTM D638, and the obtained result was taken as the value of the tensile elastic modulus. To do.
- the crystallinity of the fluoropolymer used in the present disclosure is not particularly limited, but is preferably 13% to 60%, more preferably 14% to 50%, and even more preferably 15% to 40%. , Most preferably 15-35%. When the crystallinity of the fluoropolymer is in this range, the visibility of the obtained tube can be made lower.
- the method of setting the crystallinity of the fluoropolymer within the above range is not particularly limited, and examples thereof include a method of adjusting the type and composition of the polymerization units constituting the fluoropolymer.
- the fluoropolymer used in the present disclosure has a content of Na, Cu, K, Ca, Fe, and Zn as measured by the ashing method, preferably 1.0 ⁇ g / 1 g or less, more preferably 1.0 ⁇ g / 1 g or less. It is 0.8 ⁇ g / 1 g or less, more preferably 0.6 ⁇ g / 1 g or less, and particularly preferably 0.5 ⁇ g / 1 g or less.
- a fluoropolymer is incinerated in a cuvette in the atomic absorption spectrophotometer, and atomic absorption is carried out.
- the fluoropolymer used in the present disclosure has a thermal decomposition start temperature of preferably 395 ° C. or higher, more preferably 400 ° C. or higher, further preferably 400 ° C. or higher, which is the temperature at which the mass of the fluoropolymer used in the present disclosure is reduced by 1% by mass. Is 410 ° C. or higher, more preferably 420 ° C. or higher.
- the fluoropolymer used in the present disclosure may be any as long as it has a melt flow rate and a light transmittance at a wavelength of 300 nm within the above ranges, and is not particularly limited, but is limited to ethylene / tetrafluoroethylene [TFE] / hexafluoropropylene [HFP].
- Copolymer polychlorotrifluoroethylene [PCTFE], chlorotrifluoroethylene [CTFE] -based copolymer, vinylidene fluoride [VdF] / tetrafluoroethylene [TFE] copolymer, tetrafluoroethylene [TFE] / At least one selected from the group consisting of a hexafluoropropylene [HFP] copolymer and a tetrafluoroethylene [TFE] / hexafluoropropylene [HFP] / vinylidene fluoride [VdF] copolymer is preferable.
- these fluoropolymers may be used by mixing two or more kinds in an arbitrary ratio, and in this case, in such a manner that two or more kinds of fluoropolymers having different kinds of monomer units are mixed. It may be present, or it may be a mode in which two or more kinds of fluoropolymers containing the same type of monomer units in different content ratios are mixed, or the same type of monomer units are contained in the same content ratio. It may be a mode in which two or more kinds of fluoropolymers to be contained are mixed, or it may be a mixture of these in combination with each other, and a fluoropolymer containing the same kind of monomer units in the same content ratio. It is preferable to mix two or more kinds of.
- the content ratio of the fluoropolymer in the tube of the present invention is preferably 90% by weight or more, more preferably 95% by weight or more, further preferably 98% by weight or more, particularly preferably 99% by weight or more, and most preferably 100% by weight. preferable. That is, it is most preferable that the tube of the present invention is substantially composed of only a fluoropolymer. In this case, impurities and the like that are inevitably contained may be contained in a very small amount.
- ethylene / TFE / HFP copolymers since the visibility of the obtained tube can be made sufficiently low, ethylene / TFE / HFP copolymers, CTFE-based copolymers, TFE / HFP copolymers, and TFEs can be used.
- the / HFP / VdF copolymer is preferable, and the ethylene / TFE / HFP copolymer is more preferable.
- the ethylene / TFE / HFP copolymer is a copolymer containing ethylene units, TFE units and HFP units.
- the ethylene / TFE / HFP copolymer preferably contains 30 to 70 mol% of ethylene units, 20 to 55 mol% of TFE units and 1 to 30 mol% of HFP units, and 33 to 60 mol% of ethylene units and TFE units. It is more preferable to contain 25 to 52 mol% and 4 to 25 mol% of HFP units, and even more preferably to contain 35 to 55 mol% of ethylene units, 30 to 47 mol% of TFE units and 8 to 20 mol% of HFP units.
- the above ethylene / TFE / HFP copolymer further contains a polymerization unit of an ethylenically unsaturated monomer (excluding ethylene, TFE and HFP).
- the content of the polymerization unit of the ethylenically unsaturated monomer may be 0.1 to 10 mol%, 0.1 to 5 mol%, or 0.2 with respect to the total polymerization units. It may be up to 1 mol% and may be 0.3 to 0.8 mol%.
- the ethylenically unsaturated monomer is not particularly limited as long as it is a monomer copolymerizable with ethylene, TFE and HFP, but is ethylenically unsaturated represented by the following formulas (1) and (2). It is preferably at least one selected from the group consisting of monomers (excluding TFE and HFP).
- CF 2 CFCl
- CH 2 CF- (CF 2 ) n X 4 (3) (. Wherein, X 4 and n are as defined above)
- CH 2 CH-C 6 F 13
- PCTFE is a homopolymer of chlorotrifluoroethylene [CTFE].
- CTFE unit polymerization unit derived from CTFE, TFE, HFP, perfluoro (alkyl vinyl ether) [PAVE], VdF, vinyl fluoride, hexafluo
- the CTFE-based copolymer more preferably contains CTFE units and polymerization units derived from at least one monomer selected from the group consisting of TFE, HFP and PAVE, and substantially these. It is more preferable that it consists of only polymerization units. Further, it is preferable that the monomer having a CH bond such as ethylene, vinylidene fluoride, and vinyl fluoride is substantially not contained.
- the CTFE-based copolymer preferably has 10 to 90 mol% of CTFE units of the total polymerization units.
- CTFE-based copolymer those containing a CTFE unit, a TFE unit, and a monomer ( ⁇ ) unit derived from a monomer ( ⁇ ) copolymerizable with these are particularly preferable.
- CTFE unit and "TFE unit”, the molecular structure of the CTFE copolymer, respectively, portions derived from CTFE (-CFCl-CF 2 -) , moieties derived from TFE (-CF 2 -CF 2 - ), And the "monomer ( ⁇ ) unit” is similarly a portion to which the monomer ( ⁇ ) is added due to the molecular structure of the CTFE-based copolymer.
- the monomer ( ⁇ ) is preferably at least one selected from the group consisting of PAVE, the above-mentioned vinyl monomer, and an alkyl perfluorovinyl ether derivative, and more preferably than the group consisting of PAVE and HFP. It is more preferably at least one selected, and PAVE is particularly preferable. That is, the CTFE / TFE / PAVE copolymer is particularly preferable, and the CTFE / TFE / PAVE copolymer is preferably a copolymer substantially composed of only CTFE, TFE and PAVE.
- the ratio of the CTFE unit to the TFE unit in the CTFE-based copolymer is preferably 15 to 90 mol% for the CTFE unit and 85 to 10 mol% for the TFE unit, and more preferably 15 for the CTFE unit. It is -50 mol% and the TFE unit is 85-50 mol%. Further, those composed of 15 to 25 mol% of CTFE units and 85 to 75 mol% of TFE units are also preferable.
- the CTFE-based copolymer preferably has a total of 90 to 99.9 mol% of CTFE units and TFE units and 0.1 to 10 mol% of the monomer ( ⁇ ) unit. If the monomer ( ⁇ ) unit is less than 0.1 mol%, the moldability and crack resistance tend to be inferior, and if it exceeds 10 mol%, the mechanical properties and visibility tend to be inferior.
- the above-mentioned PAVE includes perfluoro (methyl vinyl ether) (PMVE), perfluoro (ethyl vinyl ether) (PEVE), perfluoro (propyl vinyl ether) (PPVE), and perfluoro (butyl vinyl ether). ), Etc., and among them, at least one selected from the group consisting of PMVE, PEVE and PPVE is preferable.
- the PAVE unit is preferably 0.5 mol% or more and preferably 5 mol% or less of the total polymerization unit.
- Constituent units such as CTFE units are values obtained by performing 19 F-NMR analysis.
- the VdF / TFE copolymer is a copolymer containing VdF units and TFE units.
- the content ratio of VdF unit and TFE unit the visibility of the obtained tube can be made lower, so that the molar ratio of VdF unit / TFE unit is preferably 50/50 to It is 99/1, more preferably 60/40 to 98/2, further preferably 70/30 to 97/3, particularly preferably 74/26 to 96/4, and most preferably 78 /. It is 22 to 96/4.
- the VdF / TFE copolymer preferably further contains a polymerization unit of an ethylenically unsaturated monomer (excluding VdF and TFE).
- the content of the polymerization unit of the ethylenically unsaturated monomer may be 0 to 50 mol%, 0 to 40 mol%, or 0 to 30 mol% with respect to the total polymerization units. It may be 0 to 15 mol%, and may be 0 to 5 mol%.
- the ethylenically unsaturated monomer is not particularly limited as long as it is a monomer copolymerizable with VdF and TFE, but is an ethylenically unsaturated monomer represented by the above formulas (1) and (2). It is preferably at least one selected from the group consisting of bodies (excluding VdF and TFE), and the compounds exemplified above as preferred compounds can be preferably used.
- the TFE / HFP copolymer is a copolymer containing TFE units and HFP units.
- the ratio of the TFE unit to the HFP unit is preferably 60 to 99 mol% for the TFE unit and 40 to 1 mol% for the HFP unit, and 70 to 97 mol% for the TFE unit and the HFP unit. Is more preferably composed of 30 to 3 mol%, and more preferably composed of 25 to 7 mol% of HFP units as opposed to 75 to 93 mol% of TFE units. It is desirable that the TFE / HFP copolymer further contains an ethylenically unsaturated monomer (excluding ethylene, TFE, HFP and VdF).
- CF 2 CFCl
- CH 2 CF- (CF 2 ) q X 14 (7) (In the equation, X 14 and q are the same as above.)
- a TFE / HFP / VdF copolymer is a copolymer containing TFE units, HFP units and VdF units. Since the TFE / HFP / VdF copolymer is excellent in flexibility when the VdF content is high, the copolymerization ratio (mol% ratio) of TFE / HFP / VdF is 25 to 75 mol% in TFE unit and 1 in HFP unit. It preferably contains ⁇ 15 mol%, VdF units 24-70 mol%, more preferably TFE units 30-55 mol%, HFP units 3-12 mol%, VdF units 35-65 mol%, and TFE units.
- the TFE / HFP / VdF copolymer may contain 0 to 20 mol% of other monomers.
- the other monomer is at least one selected from the group consisting of ethylenically unsaturated monomers represented by the above formulas (5) and (6) (excluding TFE, HFP and VdF).
- Perfluoro methyl vinyl ether
- perfluoro ethyl vinyl ether
- perfluoro propyl vinyl ether
- chlorotrifluoroethylene 2-chloropentafluoropropene
- perfluorinated vinyl ether eg CF 3 OCF 2.
- the copolymerization ratio (mol% ratio) of the TFE unit, the HFP unit and the VdF unit is TFE / HFP / VdF.
- the TFE / HFP / VdF copolymer may contain 0 to 20 mol% of other monomers.
- the other monomer is at least one selected from the group consisting of ethylenically unsaturated monomers represented by the above formulas (5) and (6) (excluding TFE, HFP and VdF).
- Perfluoro methyl vinyl ether
- perfluoro ethyl vinyl ether
- perfluoro propyl vinyl ether
- chlorotrifluoroethylene 2-chloropentafluoropropene
- perfluorinated vinyl ether eg CF 3 OCF 2.
- the tube of the present disclosure can be manufactured by molding the above fluoropolymer into a tube shape.
- the method for molding the fluoropolymer into a tube shape is not particularly limited, but the fluoropolymer can be produced by melt extrusion molding using an extrusion molding machine. Specifically, an extrusion molding machine equipped with a cylinder, a screw, a die head, and a die is used to melt the fluoropolymer in the cylinder, and the melted fluoropolymer is extruded from the die into a tube by rotating the screw. , This produces the tubes of the present disclosure.
- the fluoropolymer having a melt flow rate of 3 to 150 g / 10 minutes is used, even when the tube shape is formed by such melt extrusion molding, the outer surface and the inner surface of the tube are used. It is possible to suppress the generation of melt fractures in the above, and thereby it is possible to effectively suppress the increase in visibility or the deterioration of low visibility due to the refraction of light caused by the unevenness caused by the generation of melt fractures. As a result, it is possible to provide a tube having low visibility.
- the take-up speed is about 2 to 30 m / min
- the generation of melt fracture can be effectively suppressed, and the visibility is high.
- Low tubes can be manufactured with high productivity.
- the outer diameter of the tube of the present disclosure is not particularly limited, but is preferably 0.5 to 5.0 mm, and more preferably 1.0 to 3.0 mm.
- the thickness of the tube of the present disclosure is not particularly limited, but is preferably 0.05 to 0.8 mm, more preferably 0.1 to 0.6 mm.
- the surface roughness Ra of the inner surface of the tube of the present disclosure may be, for example, 0.5 ⁇ m or less, preferably 0.2 ⁇ m or less, more preferably 0.16 ⁇ m or less, and 0.01 ⁇ m or more.
- the surface roughness can be measured according to JIS B0601-1994.
- the tube of the present disclosure is used for circulating a liquid having a refractive index of 1.35 to 1.41, and since it has low visibility, it is preferably used for circulating a liquid fragrance.
- the tube of the present disclosure is a fragrance product including a transparent container for containing a liquid having a refractive index of 1.35 to 1.41 including a liquid fragrance, and a tube for sucking up such a liquid. It can be suitably used as a tube for construction, in which case the fragrance product can be made substantially invisible, thereby making the appearance aesthetically pleasing. it can.
- a container provided with the tube of the present disclosure can also be provided, such as a container for containing a liquid having a refractive index of 1.35 to 1.41. Preferred.
- MFR Melt flow rate
- the transmittance of light having a wavelength of 300 nm of the fluoropolymer used in the examples was determined by the following method. Fluoropolymer pellets are molded into a sheet with a thickness of 0.1 mm, and the obtained sheet-shaped molded body is subjected to light transmittance at a wavelength of 300 nm using a spectrophotometer U-4000 (manufactured by Hitachi, Ltd.). Was measured. The fluoropolymer sheet was prepared by the following method.
- the resin pellets were placed in a mold having a diameter of 120 mm, set in a press machine heated to 300 ° C., and melt-pressed at a pressure of about 2.9 MPa to obtain a fluoropolymer sheet having a thickness of 0.1 mm.
- ⁇ Refractive index> The refractive index of the fluoropolymer and liquid fragrance used in the examples was measured at 25 ° C. using a sodium D line as a light source using an Abbe refractive index meter (manufactured by Atago Optical Instruments Manufacturing Co., Ltd.). The refractive index of the fluoropolymer was measured using the fluoropolymer sheet prepared by the above method.
- the haze value of the fluoropolymer used in the examples was determined by the following method.
- the fluoropolymer pellets were molded into a sheet having a thickness of 0.1 mm according to the above method, and the obtained sheet-shaped molded product was subjected to a haze meter (Haze Guard II manufactured by Toyo Seiki Co., Ltd.) according to ASTM D1003.
- the haze value was measured.
- the number of fisheyes of the fluoropolymer used in the examples was determined by the following method. Using fluoropolymer pellets, a single-layer film forming machine equipped with a T-die has a film width of 70 mm and a thickness of 0.05 to 0.06 mm (center) at a take-up rate of about 3 m / min. A fluoropolymer film was prepared under the same molding conditions. Then, 30 minutes after the start of molding, sampling of the measurement film was started, and the measurement film having a length of 5 m was sampled.
- the yellow index of the fluoropolymer used in the examples was determined by the following method. Using a colorimetric color difference meter (manufactured by Nippon Denshoku Kogyo Co., Ltd .: ZE-6000), fill a dedicated cell with fluoropolymer pellets, measure the yellow index according to JIS K7373, and use the obtained value as the yellow index. did.
- ⁇ Tensile modulus> The tensile elastic modulus of the fluoropolymer used in the examples was determined by the following method. Fluoropolymer pellets are set in a mold, held at 240 to 300 ° C. for 15 to 30 minutes by a heat press, melted, and then compression-molded by applying a load of 3 MPa for 1 minute. A sheet-shaped test piece having a thickness of 2 mm was prepared. Next, the obtained sheet-shaped test piece was punched out to obtain a dumbbell-shaped test piece having a distance between marked lines of 3.18 mm using an ASTM D638 Type V type dumbbell.
- dumbbell-shaped test piece using an autograph (manufactured by Shimadzu Corporation: AGS-J 5 kN), a tensile elastic modulus at 25 ° C. under the condition of 50 mm / min according to ASTM D638. was measured.
- ⁇ Contents of Na, Cu, K, Ca, Fe, and Zn> The ashing analysis of the fluoropolymer was performed using the ashing method described in WO 94/28394. That is, from the fluoropolymer pellets used in the examples, a sample was precisely weighed in the range of 2 to 6 mg and incinerated by heating in a graphite cuvette at 1100 ° C. for 180 seconds, and atomic absorption spectroscopy was performed. The analysis was performed with a photometer (polarized Zeeman atomic absorption spectrophotometer (Z-8100, manufactured by Hitachi, Ltd.)).
- the above ashing analysis method was used, but if necessary, a different ashing analysis method may be used.
- the following method can be used. That is, 1 g of the sample is precisely weighed, placed in a platinum crucible (platinum purity 99.9%), and the sample is incinerated with a gas burner, or the sample is incinerated at 500 ° C. for 30 minutes in an electric furnace. The ash remaining in the platinum crucible is dissolved in 35% hydrochloric acid to obtain a solution. The metal content of the obtained solution is measured using an ICP emission spectrometer (SPS300, manufactured by Seiko Instruments) or a frameless atomic absorption spectrophotometer.
- SPS300 ICP emission spectrometer
- ⁇ Pyrolysis start temperature The thermal decomposition start temperature of the fluoropolymer used in the examples was measured. When the temperature is raised at 10 ° C./min in an air atmosphere using a differential thermal / thermogravimetric analyzer TG / DTA6200 or TG / DTA7200 (manufactured by Hitachi High-Tech Science), and the mass of the fluoropolymer is reduced by 1% by mass. The temperature was defined as the thermal decomposition start temperature.
- ⁇ Surface roughness Ra> The tube obtained in the example was cut to prepare a test piece, and the surface roughness Ra was measured for each part of the test piece corresponding to the inner surface of the tube and the outer surface of the tube. Using a surface roughness measuring machine (SURFTESTSV-600 manufactured by Mitutoyo), the measurement of 5 measurement points was repeated 3 times in accordance with JISB0601-1994, and the average value of the obtained measured values was defined as the surface roughness Ra. ..
- a tube having a roughness Ra of 0.08 ⁇ m and a surface roughness Ra of 0.05 ⁇ m on the outer surface of the tube was obtained.
- the temperature of the cylinder and die of the extrusion molding machine was set to 160 to 240 ° C.
- the composition of the Et / TFE / HFP / H2P copolymer used was 44.5 mol% of Et unit, 40.5 mol% of TFE unit, 14.5 mol% of HFP unit, and 0.5 mol% of H2P unit, melt.
- the flow rate (265 ° C., under a 5 kg load) is 40 g / 10 minutes, the light transmission rate at a wavelength of 300 nm is 92%, the refractive index is 1.383, the haze value is 0.8%, and the number of fish eyes is 323 /. m 2 , yellow index is -6, tensile modulus is 950 MPa, crystallinity is 22%, thermal decomposition start temperature is 357 ° C, and Na, Cu, K, Ca, Fe, and are measured by the ashing method.
- the respective content of Zn was less than 0.5 ⁇ g / 1 g.
- R 247, G.
- Example 2 As a fluoropolymer, a copolymer having a melt flow rate (265 ° C., under a load of 5 kg) of 5.5 g / 10 minutes (copolymer having the same composition as Example 1, a light transmittance at a wavelength of 300 nm is 91%, Refractive index is 1.383, haze value is 1.2%, number of fish eyes is 831 / m 2 , yellow index is -3, tensile elasticity is 900 MPa, crystallinity is 18%, thermal decomposition start temperature is Except that the content of each of Na, Cu, K, Ca, Fe, and Zn measured by the ashing method at 375 ° C.
- Example 1 A tube having a diameter of 2.0 mm, an inner diameter of 1.2 mm, a tube inner surface roughness Ra 0.16 ⁇ m, and a tube outer surface surface roughness Ra 0.14 ⁇ m was obtained. Then, as in Example 1, the tube was immersed in a liquid fragrance, the background color was the same, and the tube was carefully observed visually from a distance of 50 cm in front of the container. As a result, the presence of the tube could not be confirmed, and the distance was 20 cm. The presence of the tube was confirmed, albeit slightly, by carefully observing it visually.
- the tube obtained in Example 2 has low visibility when immersed in a liquid having a refractive index of 1.38, and is seemingly tubeless when applied to a liquid fragrance product or the like. It can be said that it can be made invisible unless it is carefully viewed, and the appearance can be made excellent in aesthetics.
- Example 3 a CTFE / TFE / PPVE copolymer was used as the fluoropolymer.
- the composition of the CTFE / TFE / PPVE copolymer used was 21.3 mol% in CTFE unit, 76.3 mol% in TFE unit, 2.4 mol% in PPVE unit, and melt flow rate (297 ° C., under 5 kg load). 30 g / 10 minutes, light transmission at a wavelength of 300 nm is 95%, refractive index is 1.373, haze value is 1.5%, number of fish eyes is 463 / m 2 , yellow index is -20, tensile elasticity.
- the rate is 580 MPa
- the crystallinity is 32%
- the thermal decomposition start temperature is 415 ° C
- the respective contents of Na, Cu, K, Ca, Fe, and Zn measured by the ashing method are 0.5 ⁇ g / g. It was less than 1 g.
- R 247, G.
- Example 4 a TFE / HFP / VdF copolymer was used as the fluoropolymer.
- the composition of the TFE / HFP / VdF copolymer used was 84.5 mol% in TFE unit, 7.0 mol% in HFP unit, 8.0 mol% in VdF unit, 0.5 mol% in PPVE unit, and melt flow rate ( (265 ° C., under 5 kg load) is 3 g / 10 minutes, the transmittance of light at a wavelength of 300 nm is 87%, the refractive index is 1.37, the haze value is 3.8%, and the number of fish eyes is 4185 / m 2 .
- the yellow index is 5, the tensile elasticity is 450 MPa, the crystallinity is 39%, the thermal decomposition start temperature is 400 ° C., and each of Na, Cu, K, Ca, Fe, and Zn measured by the ashing method.
- the content was less than 0.5 ⁇ g / 1 g.
- R 247, G.
- Example 5 a TFE / HFP / VdF copolymer was used as the fluoropolymer.
- the composition of the TFE / HFP / VdF copolymer used was 34.5 mol% in TFE unit, 5.0 mol% in HFP unit, 60.5 mol% in VdF unit, and melt flow rate (230 ° C., under a load of 2.16 kg).
- the tube thus obtained was immersed in a liquid fragrance in the same manner as in Example 1, and when the background color was the same and the tube was carefully visually observed from a distance of 80 cm in front of the container, the presence of the tube was observed. It could not be confirmed, and the presence of the tube was confirmed, albeit slightly, by approaching to a distance of 50 cm and carefully observing visually. From this result, the tube obtained in Example 5 has low visibility when immersed in a liquid having a refractive index of 1.38, and is seemingly tubeless when applied to a liquid fragrance product or the like. It can be said that it can be made invisible unless it is carefully viewed, and the appearance can be made excellent in aesthetics.
Abstract
Description
(フルオロポリマーのシートの作製方法)
樹脂ペレット(フルオロポリマーのペレット)を、それぞれ、直径120mmの金型に入れ、300℃に加熱したプレス機にセットし、約2.9MPaの圧力で溶融プレスして、厚さ0.1mmのフルオロポリマーのシートを得る。
フルオロポリマーの結晶化度(%)=100×(フルオロポリマーの結晶に由来するピーク面積)/(全体のピーク面積)
また、これらのフルオロポリマーは、2種以上を任意の割合で混合して用いてもよく、この際においては、種類の異なる単量体単位を有するフルオロポリマーを2種以上混合するような態様であってもよいし、同じ種類の単量体単位を異なる含有割合で含有するフルオロポリマーを2種以上混合するような態様であってもよいし、同じ種類の単量体単位を同じ含有割合で含有するフルオロポリマーを2種以上混合するような態様であってもよいし、これらを互いに組み合わせて混合するものであってもよく、同じ種類の単量体単位を同じ含有割合で含有するフルオロポリマーを2種以上混合するような態様が好ましい。
本発明のチューブ中における、フルオロポリマーの含有割合は、90重量%以上が好ましく、95重量%以上がより好ましく、98重量%以上が更に好ましく、99重量%以上が特に好ましく、100重量%が最も好ましい。すなわち、本発明のチューブは、実質的にフルオロポリマーのみから構成されるものであることが最も好ましい。この場合においては、不可避的に含まれる不純物等を極微量に含むものであってもよい。
(式中、X1、X2、X3およびX4は、同一または異なって、H、FまたはClを表し、nは0~8の整数を表す。)
(式中、Rf1は炭素数1~3のアルキル基または炭素数1~3のフルオロアルキル基を表す。)
CH2=CF-(CF2)nX4 (3)
(式中、X4およびnは上記と同じ。)、および、下記式(4):
CH2=CH-(CF2)nX4 (4)
(式中、X4およびnは上記と同じ。)
からなる群より選択される少なくとも1種であることが好ましく、CF2=CFCl、CH2=CFCF3、CH2=CH-C4F9、CH2=CH-C6F13、およびCH2=CF-C3F6Hからなる群より選択される少なくとも1種であることがより好ましく、CF2=CFCl、CH2=CH-C6F13、CH2=CFCF3、およびCH2=CF-C3F6Hから選択される少なくとも1種であることがさらに好ましく、CH2=CF-C3F6H(すなわち、2,3,3,4,4,5,5-ヘプタフルオロ-1-ペンテン(CH2=CFCF2CF2CF2H)が特に好ましい。
CTFE/TFE/PAVE共重合体において、PAVE単位は、全重合単位の0.5モル%以上であることが好ましく、5モル%以下であることが好ましい。
式(5): CX11X12=CX13(CF2)qX14
(式中、X11、X12、X13およびX14は、同一または異なって、H、F、ClまたはBrを表し、qは0~8の整数を表す。)
(式中、Rf4は炭素数1~3のアルキル基または炭素数1~3のフルオロアルキル基を表す。)
CH2=CF-(CF2)qX14 (7)
(式中、X14およびqは上記と同じ。)、および、下記式(8):
CH2=CH-(CF2)nX14 (8)
(式中、X14およびqは上記と同じ。)
からなる群より選択される少なくとも1種であることが好ましく、CHF=CHF、CF2=CFCl、CF2=CFCl、CH2=CF-CF3、CH2=CH-C4F9、CH2=CH-C6F13、CH2=CF-C3F6H、CF2=CHBr、CH2=CH-CF2CF2Br、CF2=CFBr、CH2=CH-CF2Br、および、ペルフルオロアルキルビニルエーテルからなる群より選択される少なくとも1種であることがより好ましく、CF2=CFCl、CH2=CH-C6F13、CH2=CF-CF3、CH2=CF-C3F6H、CF2=CHBr、CH2=CH-CF2CF2Br、CF2=CFBr、パーフルオロ(メチルビニルエーテル)、パーフルオロ(エチルビニルエーテル)、および、パーフルオロ(プロピルビニルエーテル)から選択される少なくとも1種であることがさらに好ましく、CH2=CF-C3F6H(すなわち、2,3,3,4,4,5,5-ヘプタフルオロ-1-ペンテン(CH2=CFCF2CF2CF2H))、CF2=CHBr、CH2=CH-CF2CF2Br、および、パーフルオロ(プロピルビニルエーテル)から選択される少なくとも1種であることが特に好ましく、パーフルオロ(プロピルビニルエーテル)が最も好ましい。すなわち、TFE/HFP共重合体としては、TFE/HFP/パーフルオロ(プロピルビニルエーテル)共重合体が好ましい。
実施例で用いたフルオロポリマーのMFRを次の方法により求めた。ASTM D1238に従って、メルトインデクサー(安田精機製作所社製)を用いて、5kg荷重下で、内径2.1mm、長さ8mmのノズルから10分間あたりに流出する共重合体の質量(g/10分)を求めた。なお、メルトフローレートを測定する際の温度は、個別のフルオロポリマーの規格(ASTM D 2116)を参照して、決定した。
実施例で用いたフルオロポリマーの、波長300nmの光の透過率を次の方法により求めた。フルオロポリマーのペレットを厚み0.1mmのシート状に成形し、得られたシート状の成形体に対し、分光光度計U-4000(日立製作所社製)を用い、波長300nmでの光の透過率を測定した。なお、フルオロポリマーのシートは以下の方法で作製した。
(フルオロポリマーのシートの作製方法)
樹脂ペレットを、直径120mmの金型に入れ、300℃に加熱したプレス機にセットし、約2.9MPaの圧力で溶融プレスして、厚さ0.1mmのフルオロポリマーのシートを得た。
実施例で用いたフルオロポリマーおよび液体フレグランスの屈折率は、ナトリウムD線を光源として25℃において、アッベ屈折率計(アタゴ光学機器製作所社製)を用いて測定した。フルオロポリマーの屈折率の測定は、上記方法にて作製したフルオロポリマーのシートを用いて行った。
実施例で用いたフルオロポリマーのヘイズ値は次の方法により求めた。上記した方法に従いフルオロポリマーのペレットを厚み0.1mmのシート状に成形し、得られたシート状の成形体に対し、ヘイズメーター(東洋精機社製 ヘイズガードII)を用いて、ASTM D1003に従い、ヘイズ値を測定した。
実施例で用いたフルオロポリマーのフィッシュアイの個数は次の方法により求めた。
フルオロポリマーのペレットを用い、Tダイを備える単層フィルム成形機にて、約3m/minの引き取り速度にて、フィルムの幅が70mm、厚みが0.05~0.06mm(中央部)となるよう成形条件にて、フルオロポリマーのフィルムの調製を行った。そして、成形開始後、30分後より、測定用フィルムのサンプリングを開始し、長さ5mの測定用フィルムをサンプリングした。
そして、得られた測定用フィルムの両端をマスクし、中心50mm幅の部分について、表面検査装置(三菱レイヨン社製:LSC-3100V)を用いて、フィッシュアイの検出を行い、検出したフィッシュアイについて、一辺が50μm以上の大きさのフィッシュアイの個数を計測し、1m2当たりの個数を求め、これを、フルオロポリマーのフィッシュアイの個数(単位は、個/m2)とした。
なお、測定用フィルムの成形、およびフィッシュアイの測定は、ゴミや埃等の異物の混入がないように細心の注意を払い、クラス1000〔1ft3(立方フィート)の空気中に0.5μm以上の微粒子が1000個以下〕のクリーンルーム内で行った。
実施例で用いたフルオロポリマーのイエローインデックスは次の方法により求めた。測色色差計(日本電色工業社製:ZE-6000)を用い、専用のセルにフルオロポリマーのペレットを充填し、JIS K7373に従い、イエローインデックスの測定を行い、得られた値をイエローインデックスとした。
実施例で用いたフルオロポリマーの結晶化度は次の方法により求めた。フルオロポリマーに対し、X線回折装置(RIGAKU社製:SmartLab)を用い、出力40kV-40mA、走査角5~30度の範囲で広角X線回折測定を行った。そして、得られた測定結果より、解析ソフト(RIGAKU社製:JADE6.0)を用いて、フルオロポリマーの結晶に由来するピーク面積および全体のピーク面積を算出し、下記式にしたがって、フルオロポリマーの結晶化度を求めた。
フルオロポリマーの結晶化度(%)=100×(フルオロポリマーの結晶に由来するピーク面積)/(全体のピーク面積)
実施例で用いたフルオロポリマーの引張弾性率は次の方法により求めた。フルオロポリマーのペレットを金型にセットし、ヒートプレス機により、240~300℃にて15~30分保持し、ポリマーを溶融させた後、3MPaの負荷を1分間与えることで、圧縮成形し、厚さ2mmのシート状試験片を作製した。次いで、得られたシート状試験片を打ち抜いて、ASTM D638 TypeV型ダンベルを用いて標線間距離3.18mmのダンベル状試験片を得た。得られたダンベル状試験片を用いて、オートグラフ(島津製作所社製:AGS-J 5kN)を使用して、ASTM D638に準じて、50mm/分の条件下で、25℃での引張弾性率を測定した。
フルオロポリマーの灰化分析は、国際公開第94/28394号に記載されている灰化法を用いて行った。すなわち、実施例で用いたフルオロポリマーのペレットから、試料を2~6mgの範囲で精秤し、グラファイト製のキュベット内にて、1100℃で180秒間加熱することにより灰化させて、原子吸光分光光度計(偏光ゼーマン原子吸光分光光度計(Z-8100、日立製作所社製))にて分析した。
実施例で用いたフルオロポリマーの熱分解開始温度を測定した。示差熱・熱重量測定装置TG/DTA6200あるいはTG/DTA7200(日立ハイテクサイエンス社製)を用いて、空気雰囲気下で10℃/分で昇温し、フルオロポリマーの質量が1質量%減少するときの温度を熱分解開始温度とした。
実施例で得られたチューブを切断して試験片を作製し、チューブの内面およびチューブの外面に相当する試験片のそれぞれの箇所について、表面粗度Raを測定した。表面粗度測定機(Mitutoyo製SURFTESTSV-600)を用いて、JISB0601-1994に準拠して、測定点数5点の測定を3回繰り返し、得られた測定値の平均値を表面粗度Raとした。
フルオロポリマーのペレットを、押出成形機(シリンダー軸径20mm、L/D=24)を用いて、引き取り速度8m/分で押出成形し、外径2.0mm、内径1.2mm、チューブ内面の表面粗さRa0.08μm、チューブ外面の表面粗さRa0.05μmのチューブを得た。押出成形機のシリンダー、ダイの温度は、160~240℃に設定した。
フルオロポリマーとして、メルトフローレート(265℃、5kg荷重下)が5.5g/10分である共重合体(実施例1と組成が同じ共重合体、波長300nmの光の透過率は91%、屈折率は1.383、ヘイズ値は1.2%、フィッシュアイの個数は831個/m2、イエローインデックスは-3、引張弾性率は900MPa、結晶化度は18%、熱分解開始温度は375℃、灰化法により測定されるNa、Cu、K、Ca、Fe、およびZnのそれぞれの含有量は0.5μg/1g未満)を使用した以外は、実施例1と同様にして、外径2.0mm、内径1.2mm、チューブ内面の表面粗さRa0.16μm、チューブ外面の表面粗さRa0.14μmのチューブを得た。そして、実施例1と同様に、液体フレグランスに浸漬させ、背景色を同様として、容器の正面50cmの距離から目視にて注意深く観察したところ、チューブの存在を確認することができず、20cmの距離まで近づいて目視にて注意深く観察することで、わずかながら、チューブの存在が確認できた。この結果より、実施例2において得られたチューブは、屈折率が1.38である液体に浸漬させた際に、可視性が低く、液体フレグランス製品などに適用した際に、一見して、チューブレスに見え、注意して見ない限り見えない状態とすることができ、外観の審美性に優れたものとすることができるといえる。
フルオロポリマーのペレットを、押出成形機(シリンダー軸径20mm、L/D=24)を用いて、引き取り速度8m/分で押出成形し、外径2.0mm、内径1.2mm、チューブ内面の表面粗さRa0.08μm、チューブ外面の表面粗さRa0.06μmのチューブを得た。押出成形機のシリンダー、ダイの温度は、240~290℃に設定した。
フルオロポリマーのペレットを、押出成形機(シリンダー軸径20mm、L/D=24)を用いて、引き取り速度3m/分で押出成形し、外径2.0mm、内径1.2mm、チューブ内面の表面粗さRa0.14μm、チューブ外面の表面粗さRa0.10μmのチューブを得た。押出成形機のシリンダー、ダイの温度は、280~340℃に設定した。
フルオロポリマーのペレットを、押出成形機(シリンダー軸径20mm、L/D=24)を用いて、引き取り速度5m/分で押出成形し、外径2.0mm、内径1.2mm、チューブ内面の表面粗さRa0.07μm、チューブ外面の表面粗さRa0.05μmのチューブを得た。押出成形機のシリンダー、ダイの温度は、120~230℃に設定した。
Claims (13)
- 屈折率が1.35~1.41である液体を流通させるためのチューブであって、
前記チューブがフルオロポリマーを含有し、前記フルオロポリマーのメルトフローレートが、3~150g/10分であり、前記フルオロポリマーの波長300nmの光の透過率が、85%以上であるチューブ。 - 前記フルオロポリマーの屈折率が、1.37~1.39である請求項1に記載のチューブ。
- 前記フルオロポリマーのヘイズ値が、0.01~5.0%である請求項1または2に記載のチューブ。
- 前記フルオロポリマーのフィッシュアイの個数が、5000個/m2以下である請求項1~3のいずれかに記載のチューブ。
- 前記フルオロポリマーのイエローインデックスの値が、5以下である請求項1~4のいずれかに記載のチューブ。
- 前記フルオロポリマーの引張弾性率の値が、400MPa以上である請求項1~5のいずれかに記載のチューブ。
- 外径が、0.5~5.0mmである請求項1~6のいずれかに記載のチューブ。
- 前記フルオロポリマーが、エチレン/テトラフルオロエチレン/ヘキサフルオロプロピレン共重合体、ポリクロロトリフルオロエチレン、クロロトリフルオロエチレン系共重合体、ビニリデンフルオライド/テトラフルオロエチレン共重合体、テトラフルオロエチレン/ヘキサフルオロプロピレン共重合体、および、テトラフルオロエチレン/ヘキサフルオロプロピレン/ビニリデンフルオライド共重合体からなる群より選択される少なくとも1種である請求項1~7のいずれかに記載のチューブ。
- 前記フルオロポリマーが、エチレン/テトラフルオロエチレン/ヘキサフルオロプロピレン共重合体である請求項1~8のいずれかに記載のチューブ。
- 前記フルオロポリマーの灰化法により測定したNa、Cu、K、Ca、Fe、およびZnのそれぞれの含有量が、1.0μg/1g以下である請求項1~9のいずれかに記載のチューブ。
- 前記液体が、液体フレグランスである請求項1~10のいずれかに記載のチューブ。
- 請求項1~11のいずれかに記載のチューブを備える容器。
- 屈折率が1.35~1.41である液体を収容する透明容器と、前記液体を吸い上げるための請求項1~12のいずれかに記載のチューブとを備えるフレグランス製品。
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JP6528552B2 (ja) * | 2015-06-16 | 2019-06-12 | ダイキン工業株式会社 | ポリオレフィン用加工助剤及びポリオレフィン組成物 |
EP3408312B1 (en) * | 2016-01-28 | 2022-08-10 | Saint-Gobain Performance Plastics Corporation | Method for making an article |
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2020
- 2020-09-16 CN CN202080062145.8A patent/CN114341207B/zh active Active
- 2020-09-16 JP JP2021546932A patent/JP7236012B2/ja active Active
- 2020-09-16 BR BR112022003662A patent/BR112022003662A2/pt unknown
- 2020-09-16 JP JP2020155346A patent/JP6923057B2/ja active Active
- 2020-09-16 WO PCT/JP2020/035090 patent/WO2021054364A1/ja unknown
- 2020-09-16 EP EP20864621.6A patent/EP4032429A4/en active Pending
- 2020-09-16 BR BR112022004448A patent/BR112022004448A2/pt unknown
- 2020-09-16 WO PCT/JP2020/035088 patent/WO2021054363A1/ja unknown
- 2020-09-16 CN CN202080063142.6A patent/CN114402156A/zh active Pending
- 2020-09-16 EP EP20865350.1A patent/EP4032430A4/en active Pending
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2022
- 2022-03-11 US US17/692,349 patent/US20220195087A1/en active Pending
- 2022-03-11 US US17/692,424 patent/US20220195169A1/en not_active Abandoned
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See also references of EP4032429A4 |
Also Published As
Publication number | Publication date |
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JP6923057B2 (ja) | 2021-08-18 |
JP2021107740A (ja) | 2021-07-29 |
CN114402156A (zh) | 2022-04-26 |
JPWO2021054363A1 (ja) | 2021-03-25 |
BR112022004448A2 (pt) | 2022-06-21 |
CN114341207A (zh) | 2022-04-12 |
JP7236012B2 (ja) | 2023-03-09 |
US20220195169A1 (en) | 2022-06-23 |
EP4032430A1 (en) | 2022-07-27 |
US20220195087A1 (en) | 2022-06-23 |
WO2021054363A1 (ja) | 2021-03-25 |
EP4032429A1 (en) | 2022-07-27 |
EP4032429A4 (en) | 2023-11-29 |
CN114341207B (zh) | 2023-05-02 |
EP4032430A4 (en) | 2023-11-01 |
BR112022003662A2 (pt) | 2022-05-24 |
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