WO2012038838A2 - フッ素樹脂成形品およびその製造方法 - Google Patents
フッ素樹脂成形品およびその製造方法 Download PDFInfo
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- WO2012038838A2 WO2012038838A2 PCT/IB2011/002990 IB2011002990W WO2012038838A2 WO 2012038838 A2 WO2012038838 A2 WO 2012038838A2 IB 2011002990 W IB2011002990 W IB 2011002990W WO 2012038838 A2 WO2012038838 A2 WO 2012038838A2
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- fluororesin
- fluorine
- resin
- molding
- compound
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/21—Urea; Derivatives thereof, e.g. biuret
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
-
- 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
- C08F214/24—Trifluorochloroethene
-
- 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
- C08F8/00—Chemical modification by after-treatment
- C08F8/18—Introducing halogen atoms or halogen-containing groups
- C08F8/20—Halogenation
- C08F8/22—Halogenation by reaction with free halogens
-
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
Definitions
- the present invention relates to a fluorine resin molded article having a reduced elution fluorine ion density and a method for producing a blown resin molded article having a reduced exposed fluorine ion density.
- the heat-soluble fluorinated tetrafluoroethylene / perfluorite copolymer ( ⁇ ⁇ ⁇ ⁇ ) is a heat-resistant, chemical-resistant, high-frequency electrical property, non-adhesive, flame retardant IB tube for transferring chemicals such as acid and alkali, reversal, paint, etc.
- fluorine resin is widely used as a woof carrier device used in production lines, but when it is melt-formed by high-temperature melting, the fluorine resin itself Many fluorine ions are generated due to thermal decomposition. As a result, because there are many futuions that elute from the components of fuso-trees, the effect of impurities entering the manufacturing process is becoming more serious. In addition, the eluted fluorite ions become hydrofluoric acid in an aqueous solution, causing corrosion and / or an edinda effect on the semiconductor device of the manufacturing application, causing immediate or device failure. Ft reduction is desired, and the importance of a simple problem for fluororesin and its molded parts has been pointed out (Solid State Technology, 3 3, 6 5 f 1 9 9 0) ).
- a fluororesin container is used for concentration and decomposition of the sample, but a fluororesin with less elution fluorine ions is required for more accurate prayer.
- Japanese Patent No. 6, 939, 495B2 is a P emulsion polymerization of Tetraf / Leoguchi Ethylene and Perfluoromethi / Levinyl-Tell (PMVE) in the presence of 0, 3 to 6 wt% bar fluorothiosol.
- the effusion obtained from the solution of the copolymer (raw material) is about 1 P pm
- the fluororesin molded product is described.
- the effect of reducing the elution fluorine 'ion concentration is great, and it can be obtained by melt-molding a copolymer (raw material) that does not denature with perfluoro-azo / re (tetrafluoroethylene / perfluoromethylvinyl ether).
- the elution fluorine ion concentration of the molded product is about l / 2 it, which is not enough for a semiconductor.
- perfluorothiosol is used as a modifier, there is a simple problem that the elaborate physical properties of the tetrafluoro-ethylene / perfluoro mouth (methyl vinyl ether) copolymer cannot be maintained.
- the US publication does not describe a copolymer of perfluorothiosol and perfluoro (alkyl vinyl ether) other than perfluoro (methyl vinyl ether). ⁇ 0 0 0 7]
- U.S. Pat. No. 4,743,65S describes a method of thermally converting fluorine resin with fluorine gas as a thermally stable method based on the red end (hereinafter referred to as the fluoridation method). All of the mature unstable end groups are converted to CF 3 end groups, which are heat stable end tombs.
- fluorinated plum oil with an elution fluorine ion concentration of 3 ppm T has been loaded on this fluorination.
- the fluorinated Fuji resin does not contain any unstable terminal groups.
- fluorine ions are generated.
- the elution fluorine ion concentration of the obtained fluoroplastic molding is high (see comparative comparison 1 below: i).
- the fluororesin is thermally decomposed by itself and the unstable terminal group of the fluororesin when melt-molded, so the fluoroion concentration of the final molded product cannot be lowered after all.
- the present inventors have found a method that can solve the above problems and have achieved the present invention.
- Patent Document 1 U.S. Patent Nos. 6, 9 3 9, 4 95
- Patent Literature 2 Japanese Patent No. 4, 5 9 9, 3 8 6
- Patent Document 4 Japanese Patent No. 2 9 2 .1 0 2.6
- Non-Patent Document 1 I Solid State Technology, 3 3, 6 5 (1 9 9 0)
- the present invention has been made in order to solve such problems of the prior art, and an object of the present invention is to provide a fluororesin molded product in which the melt-off fonion after molding is reduced.
- the present invention provides a method for producing a fluorine ume deer product having a low content of eluted fluorine ions and a fluorine resin product having a high content of eluted fluorine ions.
- the present invention relates to a process for producing a foam resin in the presence of a compound that reduces the foam ion: provide.
- a preferred method of the present invention is a method for producing a fluorine-containing resin product in which the fluorine ion-reducing compound is at least one compound selected from ammonia, urea, a nitrogen compound capable of generating ammonia, and an aluminum compound. It is an aspect.
- the nitrile compound capable of producing the ammonia is selected from an angel salt and an organic amine compound.
- the method for producing a fluororesin product, which is at least one compound, is described in the present invention. This is the preferred mode
- the present invention also provides a method for producing the above-mentioned 7-Si resin molded product, wherein the Al-strength is at least one kind of compound selected from permanent-metal peroxides and carbonates of Al-strength metals. This is a preferable mode.
- the method for producing a resin molded product in which the fluorinated ion reducing compound iii is mixed with a fluororesin in the mold is a preferred embodiment of the present invention.
- the method for producing a fluororesin molded product in which the self-fluorine ion-depleting compound is applied with a flue ion-reducing compound fl in the form of a Fuji resin is the preferred method of the present invention.
- the fluororesin molding is performed by any one of the following molding methods: fluororesin molding, injection molding, transfer molding, rolling molding, compression molding, and professional molding.
- the manufacturing method is a preferred embodiment of the present invention.
- the present invention also provides a fluororesin product obtained by any one of the above-described fluororesin product manufacturing methods.
- the present invention further relates to a copolymer of tetrafluoro sigma styrene / perf / leo mouth (alkyl vinyl ether), and is a molded product of 36% of the mature product in 40 g of ultrapure water.
- a foamed resin molded article in which the hot metal fluoride concentration is reduced while maintaining the excellent heat resistance, quality and mechanical properties of fluorine resin.
- the fluorine resin used in the present invention is already known.
- the present invention is applied to a fusible polymer capable of being melt-molded.
- Melt molding means that the polymer flows in a melted state, so that, for example, by using a conventionally known melting or shaping apparatus such as an extruder or a spray molding machine, for example, from a melt cake to a film, a fiber It means that it can be formed into a molded product such as a tube, which shows sufficient strength and toughness to be applied for each predetermined purpose.
- the melting point of tetrafluoroethylene / reo-open ethylene (TFE) and the usual copolymer is substantially higher than the melting point of the homopolymer of TFE (polytetrafluoroethylene (PTFE)).
- PTFE polytetrafluoroethylene
- TFE copolymers that are melt-moldable generally have a melt flow rate measured at a temperature that is the level of that particular copolymer according to t AS TMD-1 2.38 (MF R ) Contains a comonomer in an amount of about 0,5 to 100 g / 10 min. Melt viscosity is low, determined at 3 7 2 by the method of A STM D-1 2 3 8 as modified in U.S. Pat.No. 4,380,618. About 1 0 2 P a s, more preferably 1 0 2 P a «s to about 1 0 6 P a ⁇ s, most preferably ⁇ is about 1 0 3 to about 1 0 5 Pa * s Is desirable.
- a copolymer of ethylene ('£) or propylene (P) and TFE, CTF E, usually called ET FE, ECT FE and PCTF £ Can be mentioned.
- the melt moldable copolymer ⁇ preferably used in the present invention comprises at least 40 to 98 mol% tetrafluoroethylene units and about 2 to 60 mol% of at least one other type of copolymer. It is a copolymer containing the monomer.
- Preferred comonomer for TF.E is hexaful propylene propylene (HF P), burfuro mouth (alkyl pinyl ether) (PAVE) (the alkyl group is a linear or branched alkyl group having 1 to 5 carbon atoms, etc.) it can be mentioned.
- PAVE mono-Ma one, 1 carbon atoms, 2, 3 or those preferably contains 4 alkyl group.
- PAV may s be the E monomer one as more use to the copolymer
- TF E copolymers include FE P (TFE / HF P copolymer), P FA (TF E ZP AVE. Copolymer), TF E no HF PZP AVE, and P AVE perfluoro (ethyl vinyl ether) (PEVE ) And / or copolymer fluoro (propyl vinyl ether) (PP VE), MFA. (TFE ba'-fluoro (methyl vinyl ether) (PMVE) In ZP AVE, the PAVE alkyl group has 2 or more carbon atoms Copolymer>, THV
- the fluororesin used is a fluorfluorofluorine.
- One of the preferred embodiments of the present invention is a copolymer of tetrafluoroethylene and para-fluoro ⁇ (alkylbier) ether. This copolymer is
- Fuji resin molded articles produced according to the present invention are at least 50% by weight of fluorine spirit, preferably at least one copolymerizable with tetrafluoroethylene (TFE). Specially, it consists of a copolymer with a fluorinated monomer.
- TFE tetrafluoroethylene
- the form of the fluororesin used may be any form of fluororesin such as a powdery product, a powdery granulated product, a granule, a flatter, a pellet, a bead.
- a powdery product a powdery granulated product
- a granule a granule
- a flatter a pellet
- a bead a form of fluororesin
- almost all unstable end groups are converted to thermally stable one CF 3 end groups after melting and adulteration. It is preferably used in part compared to the fluoride.
- the resin-molded article is prepared by polymerizing TFE and at least one copolymerizable fluorinated monomer to prepare fluorine soot particles.
- fluorinated fluororesin particles having unstable end groups reduced by fluorinating unstable end groups, and inert gas is contacted with the fluorinated fluororesin particles.
- the fusible resin composition that can be melt-processed comprises a copolymer of tetrafluoroethylene and puff / leo mouth (alkylbulu) ether, Including fluorine ion reduction compounds.
- the fluororesin is preferably in the form of particles that are harmonized with the use of melt molding such as ⁇ -like, flakes, pellet cubes, beads, etc. 3 ⁇ 4 ⁇ The particles are coated on the particles.
- the melt-moldable fluororesin composition has a fluorinated unstable terminal group of the fluororesin, and tetrafluoroethylene and perfluoro (alkyl) with the following characteristics.
- / Levi Contains a copolymer with ether and further contains a fluorine-reducing substance.
- the extractable fluorine is 3 ppm or less by weight.
- the range of the resin melt viscosity or Meto / RetroFlore HMFR can be selected according to the purpose. If it falls down, the melt viscosity of the fluororesin copolymer composition is 0.5 to .100 g / m for melt flow rate (MFR, 3721) for melt molding such as melt extrusion molding and injection molding. I 0 min, preferably 0.5 to 50 g / 10 min.
- the compound has the effect of reducing the fluoride ion concentration in the onset 3 ⁇ 4 ⁇ need, weak: is preferably a 3 ⁇ 4 group, nitrogen compounds in variants specifically capable of generating ammonia or NE 3, and Al Chikarari I can fist.
- nitrogen compounds that can produce ammonia or NH; 3 ⁇ 4 include ammonium salts and organic amine compounds.
- Specific examples of straight compounds capable of producing ammonia or NH 3 include ammonia, ammonia water (40H), silicon (Mi 2 COMfe) and ammonium carbonate ((i4) 2C te), hydrogen carbonate Ammonium (NH 4 iiC), Ammonium rubamate (N1 ⁇ 2CO ;?
- alkali examples include sodium hydroxide (feOH), potassium hydroxide (K0H). Cesium hydroxide (Cs (0H)), alkali metal hydroxide such as rubidium hydroxide (RbOH), sodium carbonate (N3 ⁇ 403 ⁇ 4 ) And so on. These compounds can be used alone or in combination of two or more.
- n-type compounds or alkalis such as salt tombs, ammonia salts, organic amine compounds, and the like described in f are preferably highly soluble in water, and the shape of these fluorine ion reducing compounds is not particularly limited. But it can also be liquid .. It can be a solid such as a powder, and it is preferably used after being dissolved, dispersed or suspended in an aqueous medium). it can.
- the fluorine ion-reducing compound when it evaporates or decomposes when it is left to stand before being melted or put into the coke of the growth machine, it is decomposed. Since the onion-decreasing effect is reduced and cannot be obtained, the fluorine ion-reducing compound preferably has a high point and molecular weight higher than the boiling point of the carrier, for example, in the case of an aqueous solution, The boiling point is not less than 50, preferably not less than 100, and more preferably not less than 1300 ° C.
- the fluorine ion-reducing compound and fluorine resin can be mixed to obtain a fluorine ion-reducing compound-containing fluororesin & composition, and by finally forming this fluorine resin composition, A molded product with very little fluorine ion can be obtained.
- Mixing of the fluorinated resin and the fluorine ion reducing compound may be performed by melting or during melting.
- the mixing method is not particularly limited, and examples thereof include a method that is used loosely.
- an apparatus that can uniformly disperse the fluorine ion reducing compound in the fluororesin is more preferable.
- the following wet mixing method may be used.
- a fluorine ion resistant compound is dissolved in an aqueous solvent or an organic solvent acting as a carrier, and then a small amount of a fluorine-ion-compromised compound is dispersed in a fusic resin by spraying it on a fluorine resin. I can do it. And it is preferable to lightly dry in order to fly the said solution.
- the organic hot metal include, but are not limited to, methanol, ethanol, taroloform, acetone, toluene, and the like.
- the compound has a high decipherability with respect to the fluorine ion reducing compound.
- the fluorine ion reducing compound can be covered on the fluorine-condensed surface.
- the ratio of the fluorine ion-reducing base to the solid component of fluororesin is 0.1 to 100 D ⁇ , more preferably I to 500, although it depends on the use of the fluorine resin composition. ppm, preferably 10 to 2500 ppm. If the ratio of fluorine ion-decreasing compound is too low, it will not be possible to expect the effect of decreasing the eluted ions. If the ratio of fluorine ion-decreasing compound is too high, excessive fluorine ion-decreasing compound will be added to the molded product. Since it may remain as an organic impurity, it can be used in the conductor field.
- the molding methods include compression molding, extrusion molding, transfer molding, boom molding, injection molding, and rotation. Molding, raiyunda or! ⁇ Examples include foaming and extrusion molding, film molding, and the like. Among these, preferred are extrusion molding and injection molding.
- the molded product obtained by the melt molding method of the present fluororesin is a product in which the fluoride ion that can be eluted is reduced. According to the present invention, it is possible to provide a molded article that does not contain a force of 1 ppm or less by weight of fluoride ions that can be dissolved by the measurement method described later.
- Examples of the molded product obtained by the method for forming the foamed resin of the present invention include a valve, a web carrier, a bottle, a pipe, a film, a tube, and a sheet.
- each physical property was measured by the following method.
- a differential running calorimeter (Py r 1 s 1 type DSC, manufactured by Perkin Elma Co., Ltd.) was used. About 1 Omg of sample is weighed * and placed in an aluminum pan prepared for the main device. After being crimped by the crimper prepared for the main device, it is difficult for the DSC body. 'Wait for a minute.' The melting temperature (T m) was determined from the solution curve obtained at this time.
- Corrosion-resistant cylinder according to AS TM D ⁇ l 238-95'-, die., Melt indexer with Biston (manufactured by Toyo Seiki Co., Ltd.) 3 72 ⁇ IT after holding filled into Leda cylinder 5 min, 5 kg load (piston and weight) extruded through da I orifice under, a ⁇ the ⁇ rate (g / 1 0 min) at this time was determined as MFR 0044]
- Fluorine composite composition is melt-compressed at 35 O't; from a sample with a thickness of about 1 mm, a tensile speed of 50 mm / min according to J S K7.1 2 7 Measured with
- IONK MAMATGRAPH METHOD Fluorine ions were determined using the IONK-Matodrakh method semi-heated to J ⁇ S KG I 27. 36 g of the molded product prepared by the injection molding method described below (5) was immersed in 40 g of 3 ⁇ 4 ft water as an eluent, and a static leaching test was conducted at 25 for 24 hours. All ultra-pure water used in the present invention was purified by Milli-QGrad ry ent 1 .. 2 LS manufactured by Millipore Japan Ltd. Generally, water for chemical separation was compliant with JISK 0557. Although defined in a 1-a 4, the purity of the obtained that the water obtained Te cowpea to the purification apparatus use I 'etc.
- the above fluorine soot composition was melted at a mold temperature of 18 O, a formation temperature of 380 t; and an injection speed of 1 Oram / S using a synthesizer (Mitsubishi Heavy Industries, 16 Oms p-10 model). did. W denars ⁇ bar (planting 1 2.55 negation, thickness 6. 1 3 mm, length 1 22, 25 mm) was obtained ⁇
- P F A-2 Major axis 2.5 mm X Minor axis 2 mm x Thickness 3 mm oval (pellet),
- P F A-3 TFE / PA V E copolymer (manufactured by Daikin Industries, PFA A P 2 I 1 S H ⁇ ⁇ 0050)
- H4HCO 3 (CAS number: 1 066-33-7, Wakobaku Pharmaceutical Co., Ltd.).
- the fluorine ion solution eluted from the injection molding bar was measured by the IONTA Mouth-Draft method.
- the i constant concentrations of vacuum ions are summarized in Table i; pm.
- the fluorine ion concentration of the molded product was 0, 06 ppm.
- a beaker (200 ml) was charged with sodium hydroxide 40 Om and blunt water 200 ml, stirred with a magnetic stirrer for 10 minutes to completely dissolve sodium hydroxide in pure water, and 4 kg of PFA-1 was placed in a stainless tray (long 30 cm X width 2 O cm) and sprayed with aqueous sodium hydroxide.
- the resulting mixture of PFA and sodium hydroxide was dried in a dryer; M, 120 ⁇ 3 hours.
- the sodium hydroxide treated PF pellets were injection molded (molding temperature 38 CTC injection rate 1 Om second). 36 g of the obtained injection coloring bar was put into 40 g of ultrapure water, and a dissolution test was conducted at 25 at a dissolution condition of 24 hours.
- the Fion solution eluted from the injection molding bar was measured by ion chromatography.
- the measured concentrations of fluoride ions are summarized in the table in p pm. As shown in [Table]., The fluorine content of the molded product was 0.15 p pm.
- the U.S. Patent No. 4599386 end group analysis method is Ki ⁇ No. Number 1 0 6 ⁇ per 90 Crane carbon - the terminal groups of CONfe measured PFA- 2 was used.
- PFA-2 was measured to be 0.1 1 pm by measuring the dissolved fluorine ion concentration from the pellets as a raw material by the ion-tau-matograph method before injection molding. This PFA-2 pellet was subjected to injection development of 4 kg (molding 38 O; injection speed 10 kg / sec). 36 g of the obtained injection-molded bar was put in 40 g of ultrapure water, and a dissolution test was conducted at 25:24 hours. The solution of fluorine ions dissolved from the injection molding bar was determined by ion chromatography. Table: U As shown, the fluoroion concentration in the molded product increased to 9 and 3 ppm.
- PFA-3 which was determined to have 47 C 1 H 2 end groups per 106 6 carbon atoms by the end group analysis method of Japanese Patent No. 2921026, was used.
- P + FA-3 Prior to injection molding, P + FA-3 was determined to have a concentration of 0.01 p j> m by measuring the ion concentration of the eluate from the pellets as a raw material by the Ionque 1- Komat Draft method.
- This PFA-3 pellet was injection-molded with a 4 kg pellet (molding temperature 380, injection speed 10 mm / sec). 36 g of the obtained injection-molded par was put in 4 O g of ultrapure water, and a dissolution test was performed at 25 at 24 hours.
- the solution of fluorinated ions dissolved from the injection molding bar was also measured by the ion taro-to-daraf method.
- the calculation results are shown in Table 1 together with the fluoride ion concentration in ppm.
- the fluorinated ion concentration of the molded product increased to 98 ppm.
- fluororesin molded products studied with urea (3 G to 120 ppm), carbonic acid ammonium (200 to 5 OO pp ra) or sodium hydroxide (100 ppm).
- concentration of Thai ions was between 1/37 and 1/92 of the hot ion concentration of the uncoated product.
- the DSC results and the tensile properties are as follows: urinary cord 120 m There was no significant difference in the simplification.
- a fluororesin molded product in which the concentration of eluted fluorine ions is reduced while maintaining the excellent heat resistance, chemical resistance, mechanical conversion, and the like of fluororesin.
- the present invention is unclear about the mechanism of fluorine ion reduction, but the excellent heat resistance of fluororesin, While maintaining the mechanical properties, it has become possible to provide fluorinated resin molded products with a high and low elution fluorine ion concentration.
- the fluorinated horizontal product with reduced leaching fluoride ion provided by the present invention can be suitably used in the field of semiconductors and semiconductor chemicals.
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Abstract
Description
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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KR1020127031306A KR20130069652A (ko) | 2010-04-30 | 2011-05-02 | 불소 수지 성형 물품 및 그의 제조 |
CN201180021849.1A CN102869685B (zh) | 2010-04-30 | 2011-05-02 | 氟树脂模塑制品以及它们的生产 |
US13/695,467 US20130046058A1 (en) | 2010-04-30 | 2011-05-02 | Fluorine resin molded article and production of same |
EP11826132.0A EP2565209B1 (en) | 2010-04-30 | 2011-05-02 | Fluorine resin molded article and production of same |
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JP2010104776A JP5545639B2 (ja) | 2010-04-30 | 2010-04-30 | フッ素樹脂成形品およびその製造方法 |
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EP (1) | EP2565209B1 (ja) |
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KR102345907B1 (ko) * | 2014-06-18 | 2022-01-03 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 광 투과성 플루오로중합체 조성물 및 물품 |
KR102119822B1 (ko) | 2016-08-23 | 2020-06-05 | 다이킨 고교 가부시키가이샤 | 고분자 재료 |
WO2018237297A1 (en) * | 2017-06-23 | 2018-12-27 | Dupont-Mitsui Fluorochemicals Co. Ltd | MOLDED ARTICLE IN A FLUORINATED RESIN THAT CAN BE IMPLEMENTED IN THE FADED STATE |
JP7202082B2 (ja) * | 2017-06-23 | 2023-01-11 | 三井・ケマーズ フロロプロダクツ株式会社 | 熱溶融性フッ素樹脂成形品 |
JP7348483B2 (ja) * | 2018-07-12 | 2023-09-21 | ダイキン工業株式会社 | 成形品の製造方法および成形品 |
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CN112703178B (zh) * | 2018-08-30 | 2022-02-22 | 3M创新有限公司 | 支链全氟乙烯基醚化合物、其制备方法以及来源于支链全氟乙烯基醚化合物的含氟聚合物 |
CN114270620A (zh) * | 2019-08-26 | 2022-04-01 | 大金工业株式会社 | 非水电解液电池用部件 |
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CN116144050B (zh) * | 2021-11-23 | 2024-04-02 | 中昊晨光化工研究院有限公司 | 一种pfa树脂端基稳定化处理方法 |
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2011
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- 2011-05-02 WO PCT/IB2011/002990 patent/WO2012038838A2/ja active Application Filing
- 2011-05-02 KR KR1020127031306A patent/KR20130069652A/ko not_active Application Discontinuation
- 2011-05-02 CN CN201180021849.1A patent/CN102869685B/zh active Active
- 2011-05-02 EP EP11826132.0A patent/EP2565209B1/en active Active
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Also Published As
Publication number | Publication date |
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WO2012038838A3 (ja) | 2012-09-07 |
US20130046058A1 (en) | 2013-02-21 |
JP5545639B2 (ja) | 2014-07-09 |
KR20130069652A (ko) | 2013-06-26 |
CN102869685B (zh) | 2015-07-08 |
JP2011231267A (ja) | 2011-11-17 |
CN102869685A (zh) | 2013-01-09 |
EP2565209B1 (en) | 2016-04-27 |
EP2565209A2 (en) | 2013-03-06 |
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