WO2016093357A1 - 炭素中空糸膜の製造方法 - Google Patents
炭素中空糸膜の製造方法 Download PDFInfo
- Publication number
- WO2016093357A1 WO2016093357A1 PCT/JP2015/084851 JP2015084851W WO2016093357A1 WO 2016093357 A1 WO2016093357 A1 WO 2016093357A1 JP 2015084851 W JP2015084851 W JP 2015084851W WO 2016093357 A1 WO2016093357 A1 WO 2016093357A1
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- WO
- WIPO (PCT)
- Prior art keywords
- membrane
- hollow fiber
- polyphenylene oxide
- stock solution
- carbon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
- B01D69/087—Details relating to the spinning process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0039—Inorganic membrane manufacture
- B01D67/0067—Inorganic membrane manufacture by carbonisation or pyrolysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0039—Inorganic membrane manufacture
- B01D67/0072—Inorganic membrane manufacture by deposition from the gaseous phase, e.g. sputtering, CVD, PVD
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
- B01D69/085—Details relating to the spinneret
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/021—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/60—Deposition of organic layers from vapour phase
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/02—Preparation of spinning solutions
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/02—Heat treatment
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/20—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products
- D01F9/24—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/08—Specific temperatures applied
- B01D2323/081—Heating
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
- D10B2505/04—Filters
Definitions
- the present invention relates to a method for producing a carbon hollow fiber membrane. More specifically, the present invention relates to a method for producing a carbon hollow fiber membrane having excellent moldability by using a carbon membrane stock solution containing polyphenylene oxide as a main component.
- organic membranes and inorganic membranes have been proposed as separation membranes.
- organic films are inexpensive and have excellent moldability, they have low solvent resistance and heat resistance, while ceramic films and other inorganic films have excellent solvent resistance and heat resistance, as opposed to organic films.
- it is expensive and difficult to mold.
- Hollow fiber carbon membranes have pores that can be separated by gas, exhibit excellent gas separation performance among various inorganic membranes, and are resistant to high temperatures such as 70 to 150 ° C where organic membranes cannot be applied. Since it can be used in an environment where chemical resistance is required, its practicality is greatly expected.
- the hollow fiber membrane is excellent in pressure resistance and has a large membrane area per unit volume, making it possible to produce a compact separation membrane module.
- Patent Documents 1 and 2 materials using a sulfonated resin of polyphenylene oxide (Patent Documents 1 and 2) and those using aromatic polyimide (Patent Document 3) have been proposed.
- Patent Document 4 a material using inexpensive polyphenylene oxide as a raw material has been proposed (Patent Document 4).
- polyphenylene oxide alone has low separability, it requires a complicated structure in which a sulfonated polyphenylene oxide resin is laminated on the polyphenylene oxide film to ensure separability, and then a firing process is performed. Since it becomes complicated, there is a disadvantage that the cost is increased even if an inexpensive raw material is used.
- an inert atmosphere or vacuum is applied after spinning the hollow fiber followed by “infusibilization treatment” of heating at 250 to 350 ° C. in air. It is necessary to perform two-stage heating, such as “carbonization treatment” in which heating is performed at 600 to 800 ° C.
- the hollow fiber is spun using an inexpensive organic material, and the infusibilization treatment step and the carbonization treatment step 2 are performed without taking complicated steps.
- a production method that uses a stepwise heating process as a main process.
- polyphenylene oxide which is an inexpensive material
- polyphenylene oxide is a thermoplastic resin
- the yarn shape is damaged by melting, and the hollow fiber is crushed and broken, and adhesion between the hollow fibers occurs.
- the desired hollow fiber membrane without distortion cannot be obtained or the desired gas separation performance is obtained. It may not be obtained.
- An object of the present invention is to provide a method for producing a hollow fiber carbon membrane having excellent moldability and gas separation performance without going through complicated steps by using a carbon membrane stock solution containing polyphenylene oxide as a main component. It is in.
- the object of the present invention is to dissolve polyphenylene oxide in an amount of 15 to 40% by weight in a film-forming stock solution and sulfur in an amount of 0.2 to 3.0% by weight with respect to the polyphenylene oxide.
- a carbon membrane forming stock solution dissolved in a suitable solvent is prepared, and the carbon membrane forming stock solution is formed into a hollow shape by a spinning method by a non-solvent induced separation method using a double annular nozzle, This is achieved by crosslinking at 200 to 240 ° C., heating at 250 to 350 ° C. for infusibilization, and further heating at 450 to 850 ° C. in an inert atmosphere or vacuum for carbonization.
- a hollow fiber is formed using a polyphenylene oxide and a membrane forming stock solution to which sulfur is added in an amount of 0.2 to 3.0% by weight based on the polyphenylene oxide.
- polyphenylene oxide commercially available products, for example, SABIC product PPO646, Mitsubishi Engineering Plastics products PX100F, PX100L, etc. can be used as they are, and this is about 15 to 40% by weight, preferably about 20 to 35% by weight in the film forming stock solution. % Is used.
- concentration of polyphenylene oxide is higher than this, the raw film forming solution is separated and cannot be spun. On the other hand, when it is lower than this, it may become brittle during firing and a good carbon film may not be obtained.
- the film-forming stock solution is further added with sulfur in a proportion of about 0.2 to 3.0% by weight, preferably about 0.4 to 2.5% by weight with respect to polyphenylene oxide. This ratio is determined so that crosslinking can be performed at a temperature lower than the melting temperature of polyphenylene oxide. When the ratio of sulfur is higher than this, the membrane-forming stock solution is separated and cannot be spun. On the other hand, when it is lower than this, effects such as high gas separation performance obtained by addition of sulfur are not observed.
- Organic peroxides such as dialkyl peroxides such as 2,5-dimethyl-2,5-di (tert-butylperoxy) hexane-3, diacyl peroxides such as diisobutyryl peroxide, and phenol resin crosslinking agents
- a quinonedioxime crosslinking agent or the like can be added and used.
- the preparation of the carbon film forming solution is performed by dissolving polyphenylene oxide and sulfur (and additives) in a solvent in which they can be dissolved.
- the dissolution is performed by first dissolving sulfur in a solvent and then dissolving polyphenylene oxide.
- a solvent include methanol, ethanol, tetrahydrofuran, N, N-dimethylacetamide, N-methyl-2-pyrrolidone and the like, preferably a non-proton such as N, N-dimethylacetamide, N-methyl-2-pyrrolidone and the like.
- Polar solvents are used.
- the film-forming solution at the time of spinning and film-forming is preferably a phase-stable temperature, preferably [temperature at film-forming temperature for phase separation. ] Whose phase stability is 10 ° C. or more is used.
- the prepared film forming solution is directly or directly idled from the outer tube of a hollow fiber spinning nozzle having a double ring structure by a spinning method using a non-solvent induced phase separation method such as a wet spinning method or a dry wet spinning method.
- a polyphenylene oxide hollow fiber membrane is formed by extruding the inner solution and, if necessary, simultaneously extruding a core solution that is insoluble in the solvent of the membrane forming solution and the polymer from the inner tube of the spinning nozzle.
- the core solution and the coagulation bath are mixed with the solvent of the film-forming stock solution, but a solvent that is not soluble with polyphenylene oxide, such as water or ethylene glycol, is used.
- the temperature of the core liquid and the coagulation bath at this time is generally about -20 to 60 ° C, preferably about 0 to 30 ° C.
- the obtained polymer hollow fiber membrane is washed with water as necessary, and then dried, that is, moisture is removed from the polymer portion of the hollow fiber-like product.
- the drying is not particularly limited as long as the polymer hollow fiber membrane is completely dried, but is generally performed at about 20 to 80 ° C., preferably about 25 to 60 ° C., for about 0.5 to 4 hours.
- the hollow fiber-like product after drying is subjected to a crosslinking treatment.
- the crosslinking treatment is carried out under conditions such as about 200 to 240 ° C., preferably about 220 to 230 ° C. for about 0.5 to 3 hours. If the crosslinking treatment is not performed or the crosslinking treatment temperature is lower than this, sulfur crosslinking does not proceed, while if the crosslinking treatment temperature is higher than this, the polyphenylene oxide is melted. Even in this case, the desired moldability and the high gas separation performance cannot be ensured.
- the crosslinked polymer hollow fiber membrane is infusibilized before carbonization.
- the infusibilization treatment is performed by performing a heat treatment at a temperature lower than the carbonization temperature such as about 250 to 350 ° C. for about 0.5 to 4 hours. Such infusibilization treatment will particularly improve the performance as a carbon hollow fiber membrane.
- the carbonization treatment is performed by a known method using a precursor polymer hollow fiber membrane, for example, by placing the precursor polymer hollow fiber membrane in a container, and under reduced pressure of 10 ⁇ 4 atm or less (about 10 Pa or less) or helium, argon gas, nitrogen gas. It is carried out by heat treatment in an inert gas atmosphere substituted with or the like.
- the heating conditions, the type of materials constituting the precursor polymer varies due the amount, generally in vacuo or under an inert gas atmosphere following the 10-4 atm (about 10Pa or less), about 450 ⁇ 850 ° C.
- conditions such as about 600 to 800 ° C. and about 0.5 to 4 hours are applied.
- CVD chemical vapor deposition
- Patent Document 5 a known technique (see Patent Document 5)
- a hydrocarbon gas such as
- Example A spinning stock solution comprising 28 parts by weight of a polyphenylene oxide resin (SAPOC product PPO646), 0.6 parts by weight of sulfur (Kanto Chemical product) and 71.4 parts by weight of dimethylacetamide was first dissolved in dimethylacetamide, and then the polyphenylene oxide resin. was prepared by dissolving.
- the prepared spinning solution was heated to 150 ° C., and a spinning nozzle having a double annular structure was used to extrude ethylene glycol as a core solution into a water coagulation bath, and dry and wet spinning was performed at a spinning speed of 15 m / min. Thereafter, it was dried in an oven at 60 ° C. to obtain a porous polyphenylene oxide hollow fiber membrane having an outer diameter of 1060 ⁇ m and an inner diameter of 930 ⁇ m.
- the obtained hollow fiber membrane was inserted into a tube made of perfluoroalkoxyalkane resin (PFA: tetrafluoroethylene / perfluoroalkyl vinyl ether copolymer resin), heated in air at 230 ° C. for 1 hour, and crosslinked. Treated. Next, similarly, heating was performed in air at a temperature of 300 ° C. for 1 hour to perform infusibilization. Furthermore, the infusibilized hollow fiber membrane was inserted into a quartz tube, heated in a nitrogen atmosphere at a temperature of 650 ° C. for 1 hour, and carbonized to obtain a hollow fiber carbon membrane having an outer diameter of 430 ⁇ m and an inner diameter of 370 ⁇ m. .
- PFA perfluoroalkoxyalkane resin
- a gas permeation test was performed using the obtained carbon film.
- Gas permeation test One end of the carbon membrane is sealed with an epoxy resin and sealed, and the other end is sealed with a Sediloc metal gasket gland (6LV-4-VCR-3S -6MTB7) is inserted 10mm into the piping section, and the gap between the carbon membrane and the ground piping up to 5mm is inserted with epoxy resin to produce a mini module for gas separation evaluation. This is attached to the gas separator, and different gases are flowed to the outside of the carbon membrane at a pressure of 200 kPag, and the gas flow rate permeating to the tube side is measured with a mass controller. The gas permeation rate was calculated by dividing by time and pressure.
- Comparative Example 1 In the examples, when the crosslinking treatment was not performed and the infusibilization treatment was performed at 290 ° C. for 1 hour, the obtained hollow fiber membrane was swollen and was difficult to be removed from the PFA tube.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Artificial Filaments (AREA)
- Inorganic Fibers (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Dispersion Chemistry (AREA)
Abstract
Description
ポリフェニレンオキサイド樹脂(SABIC社製品PPO646)28重量部、硫黄(関東化学製品)0.6重量部、ジメチルアセトアミド71.4重量部からなる紡糸原液を、まずジメチルアセトアミドに硫黄を溶解させた後、ポリフェニレンオキサイド樹脂を溶解させることにより調製した。
ガス透過試験:炭素膜の片端をエポキシ樹脂で接着して密封し、他端をス
エジロック製のメタルガスケットのグランド(6LV-4-VCR-3S
-6MTB7)の配管部に10mm挿入して、炭素膜の挿入箇所5mmま
での炭素膜とグランドの配管の隙間をエポキシ樹脂にて接
着し、ガス分離評価用のミニモジュールを作製して、これ
をガス分離装置に取り付け、炭素膜の外側に圧力200kPagに
て異なるガスを流して、管側に透過するガス流量をマスフ
ロコントローラーで測定し、得られたガス流量を膜面積、
時間および圧力で除してガス透過速度を算出した
実施例において、架橋処理が行われず、また不融化処理が290℃で1時間行われたところ、得られた中空糸膜はうねりがみられ、PFA製管から取り出し難い状態であった。
実施例において、硫黄を用いることなく、ポリフェニレンオキサイド樹脂(PPO646)28重量部およびジメチルアセトアミド71.4重量部からなる紡糸原液を用いたところ、不融化処理後に中空糸が溶融によりつぶれ、切れが生じ、成形不良が発生してしまい、目的とする中空糸炭素膜を得ることができなかった。
Claims (3)
- 製膜原液中、15~40重量%の濃度となる量のポリフェニレンオキサイドおよび該ポリフェニレンオキサイドに対して0.2~3.0重量%の割合となる量の硫黄を、これらを溶解可能な溶媒に溶解させた炭素膜用製膜原液を調製し、該炭素膜用製膜原液を二重環状ノズルを用いて、非溶媒誘起分離法による紡糸法により中空状に成形し、空気中で200~240℃で架橋処理した後、250~350℃で加熱して不融化処理し、さらに不活性雰囲気または真空中で450~850℃で加熱して炭化処理を行うことを特徴とする中空糸炭素膜の製造方法。
- 炭化処理後、さらに表面に炭化水素ガスを用いた化学的気相蒸着が施される請求項1記載の中空糸炭素膜の製造方法。
- 請求項1または2記載の製造方法により製造された中空糸炭素膜。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201580067635.6A CN106999867B (zh) | 2014-12-12 | 2015-12-11 | 中空纤维碳膜的制备方法 |
| CA2969199A CA2969199A1 (en) | 2014-12-12 | 2015-12-11 | Method for producing a hollow fiber carbon membrane |
| JP2016563757A JP6465120B2 (ja) | 2014-12-12 | 2015-12-11 | 中空糸炭素膜の製造方法 |
| EP15867246.9A EP3231500A4 (en) | 2014-12-12 | 2015-12-11 | Method for producing carbon hollow fiber membrane |
| KR1020177016981A KR102062104B1 (ko) | 2014-12-12 | 2015-12-11 | 중공사 탄소막의 제조 방법 |
| US15/535,256 US10150086B2 (en) | 2014-12-12 | 2015-12-11 | Method for producing a carbon hollow fiber membrane |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014252126 | 2014-12-12 | ||
| JP2014-252126 | 2014-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016093357A1 true WO2016093357A1 (ja) | 2016-06-16 |
Family
ID=56107534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2015/084851 Ceased WO2016093357A1 (ja) | 2014-12-12 | 2015-12-11 | 炭素中空糸膜の製造方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US10150086B2 (ja) |
| EP (1) | EP3231500A4 (ja) |
| JP (1) | JP6465120B2 (ja) |
| KR (1) | KR102062104B1 (ja) |
| CN (1) | CN106999867B (ja) |
| CA (1) | CA2969199A1 (ja) |
| WO (1) | WO2016093357A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2021111707A1 (ja) * | 2019-12-03 | 2021-06-10 | ||
| WO2021200223A1 (ja) * | 2020-03-31 | 2021-10-07 | 東洋紡株式会社 | 不融化ポリフェニレンエーテル繊維、不融化ポリフェニレンエーテル成形体、炭素繊維、活性炭素繊維、炭素繊維成形体、活性炭素繊維成形体、及びその製造方法 |
| WO2022201311A1 (ja) * | 2021-03-23 | 2022-09-29 | 東洋紡株式会社 | 耐炎化ポリフェニレンエーテル成形体、及び、耐炎化ポリフェニレンエーテル成形体の製造方法 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107106995A (zh) * | 2014-10-30 | 2017-08-29 | Nok株式会社 | 碳膜用制膜原液及使用其的碳中空纤维膜的制备方法 |
| CN112218705B (zh) * | 2018-06-05 | 2022-09-06 | 东丽株式会社 | 分离膜 |
| CN113882038A (zh) * | 2020-07-02 | 2022-01-04 | 中国石油化工股份有限公司 | 改性纺丝原液、中空纤维碳膜及其制备方法和应用 |
| WO2022202375A1 (ja) * | 2021-03-23 | 2022-09-29 | 東洋紡株式会社 | 活性炭素繊維、活性炭素繊維成形体、及びそれらの製造方法、有機溶剤吸脱着処理装置、有機溶剤回収システム、有機溶剤吸脱着処理方法、並びに有機溶剤回収方法 |
| CN114632433B (zh) * | 2022-04-18 | 2023-05-09 | 南昌大学共青城光氢储技术研究院 | 一种柔性三维自支撑贵金属-碳纤维网络材料的制备方法 |
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| JP2013063415A (ja) * | 2011-09-20 | 2013-04-11 | Toyobo Co Ltd | 中空糸炭素膜、分離膜モジュールおよび中空糸炭素膜の製造方法 |
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| US5348569A (en) * | 1993-06-30 | 1994-09-20 | Praxair Technology, Inc. | Modified poly(phenylene oxide) based membranes for enhanced fluid separation |
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| US6103414A (en) * | 1995-12-28 | 2000-08-15 | The Research Foundation Of State University Of The New York | Blend membranes based on sulfonated poly(phenylene oxide) for polymer electrochemical cells |
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- 2015-12-11 KR KR1020177016981A patent/KR102062104B1/ko active Active
- 2015-12-11 JP JP2016563757A patent/JP6465120B2/ja not_active Expired - Fee Related
- 2015-12-11 CN CN201580067635.6A patent/CN106999867B/zh not_active Expired - Fee Related
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| JPWO2021111707A1 (ja) * | 2019-12-03 | 2021-06-10 | ||
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| CN115362288A (zh) * | 2020-03-31 | 2022-11-18 | 东洋纺株式会社 | 不熔融化聚苯醚纤维、不熔融化聚苯醚成形体、碳纤维、活性碳纤维、碳纤维成型体、活性碳纤维成型体及其制造方法 |
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| CN115362288B (zh) * | 2020-03-31 | 2023-11-03 | 东洋纺Mc株式会社 | 不熔融化聚苯醚纤维、不熔融化聚苯醚成形体、碳纤维、活性碳纤维、碳纤维成型体、活性碳纤维成型体及其制造方法 |
| WO2022201311A1 (ja) * | 2021-03-23 | 2022-09-29 | 東洋紡株式会社 | 耐炎化ポリフェニレンエーテル成形体、及び、耐炎化ポリフェニレンエーテル成形体の製造方法 |
| JPWO2022201311A1 (ja) * | 2021-03-23 | 2022-09-29 | ||
| JP7437628B2 (ja) | 2021-03-23 | 2024-02-26 | 東洋紡エムシー株式会社 | 耐炎化ポリフェニレンエーテル成形体、及び、耐炎化ポリフェニレンエーテル成形体の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3231500A1 (en) | 2017-10-18 |
| EP3231500A4 (en) | 2018-06-20 |
| US10150086B2 (en) | 2018-12-11 |
| KR20170094237A (ko) | 2017-08-17 |
| CN106999867A (zh) | 2017-08-01 |
| JP6465120B2 (ja) | 2019-02-06 |
| CA2969199A1 (en) | 2016-06-16 |
| CN106999867B (zh) | 2020-08-18 |
| KR102062104B1 (ko) | 2020-01-03 |
| JPWO2016093357A1 (ja) | 2017-09-21 |
| US20170320020A1 (en) | 2017-11-09 |
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