WO2008111641A1 - 多孔体及びフィルター - Google Patents
多孔体及びフィルター Download PDFInfo
- Publication number
- WO2008111641A1 WO2008111641A1 PCT/JP2008/054609 JP2008054609W WO2008111641A1 WO 2008111641 A1 WO2008111641 A1 WO 2008111641A1 JP 2008054609 W JP2008054609 W JP 2008054609W WO 2008111641 A1 WO2008111641 A1 WO 2008111641A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- porous body
- filter
- disclosed
- polytetrafluoroethylene resin
- resin
- Prior art date
Links
- -1 polytetrafluoroethylene Polymers 0.000 abstract 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract 2
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract 2
- 229920005989 resin Polymers 0.000 abstract 2
- 239000011347 resin Substances 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 230000005484 gravity Effects 0.000 abstract 1
- 229920005992 thermoplastic resin Polymers 0.000 abstract 1
Classifications
-
- 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
- B01D71/06—Organic material
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
- B01D71/36—Polytetrafluoroethene
-
- 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
- B01D67/0002—Organic membrane manufacture
- B01D67/002—Organic membrane manufacture from melts
-
- 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
- B01D67/0002—Organic membrane manufacture
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
-
- 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
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- 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
- B01D71/06—Organic material
- B01D71/26—Polyalkenes
- B01D71/261—Polyethylene
-
- 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
- B01D71/06—Organic material
- B01D71/26—Polyalkenes
- B01D71/262—Polypropylene
-
- 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
- B01D71/06—Organic material
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
-
- 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
- B01D71/06—Organic material
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
- B01D71/34—Polyvinylidene fluoride
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/24—Mechanical properties, e.g. strength
-
- 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
- C08J2327/00—Characterised by the use 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; Derivatives of such polymers
- C08J2327/02—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Filtering Materials (AREA)
Abstract
本発明は、極めて微細な気泡が成形体中に分布している多孔体及び上記多孔体を用いたフィルターを提供する。本発明は、ポリテトラフルオロエチレン系樹脂と上記ポリテトラフルオロエチレン系樹脂とは異なる熱可塑性樹脂とからなる多孔体であって、上記多孔体は、比重が1.80を超え、2.18未満であり、結晶転化率が50%以下であることを特徴とする多孔体である。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007064002A JP2010132712A (ja) | 2007-03-13 | 2007-03-13 | 多孔体及びフィルター |
JP2007-064002 | 2007-03-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008111641A1 true WO2008111641A1 (ja) | 2008-09-18 |
Family
ID=39759572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/054609 WO2008111641A1 (ja) | 2007-03-13 | 2008-03-13 | 多孔体及びフィルター |
Country Status (3)
Country | Link |
---|---|
US (1) | US20080227880A1 (ja) |
JP (1) | JP2010132712A (ja) |
WO (1) | WO2008111641A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7795346B2 (en) * | 2003-11-03 | 2010-09-14 | Porex Corporation | Sintered porous high melt-flow index materials and methods of making same |
CN101501113B (zh) | 2006-08-09 | 2013-03-13 | 住友电工超效能高分子股份有限公司 | 氟树脂薄膜、氟树脂复合体和多孔氟树脂复合体、它们的制法、以及分离膜元件 |
US8628843B2 (en) * | 2008-10-24 | 2014-01-14 | Porex Corporation | Composite PTFE materials and applications thereof |
JP5830782B2 (ja) * | 2012-01-27 | 2015-12-09 | 住友電工ファインポリマー株式会社 | 変性ポリテトラフルオロエチレン製微細孔径膜の製造方法、及び変性ポリテトラフルオロエチレン製多孔質樹脂膜複合体の製造方法 |
US20150079392A1 (en) * | 2012-04-11 | 2015-03-19 | Sumitomo Electric Fine Polymer, Inc. | Fluororesin microporous membrane, method for producing the same, and filter element using the fluororesin microporous membrane |
JP6057645B2 (ja) * | 2012-09-25 | 2017-01-11 | 株式会社ミマキエンジニアリング | インク貯留装置及びインクジェット記録装置 |
EP3075768A4 (en) * | 2013-11-29 | 2017-06-21 | Daikin Industries, Ltd. | Biaxially-oriented porous film |
CN105536568B (zh) * | 2015-12-08 | 2018-02-06 | 南京九思高科技有限公司 | 一种耐有机蒸汽腐蚀的气体分离膜及其制备方法 |
KR102605324B1 (ko) * | 2018-10-04 | 2023-11-22 | 더블유.엘. 고어 앤드 어소시에이트스, 인코포레이티드 | 치수 안정성을 갖는 비소결의 팽창된 폴리테트라플루오로에틸렌 복합 막 |
CN117417612A (zh) * | 2018-11-19 | 2024-01-19 | 大金工业株式会社 | 组合物和拉伸体 |
JP2024031541A (ja) * | 2022-08-26 | 2024-03-07 | 古河電気工業株式会社 | フッ素樹脂組成物、及びこれを用いた微細発泡フッ素樹脂フィルム |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6166730A (ja) * | 1984-09-07 | 1986-04-05 | Chuko Kasei Kogyo Kk | ポリテトラフルオロエチレン樹脂多孔質体の製造方法 |
JPH09302121A (ja) * | 1996-05-17 | 1997-11-25 | Nitto Denko Corp | ポリテトラフルオロエチレン多孔質膜の製造方法 |
JPH1030031A (ja) * | 1996-05-17 | 1998-02-03 | Nitto Denko Corp | ポリテトラフルオロエチレン多孔質膜およびその製造方法、シート状ポリテトラフルオロエチレン成形体、並びに、エアーフィルター用濾材 |
JPH10287759A (ja) * | 1997-04-16 | 1998-10-27 | Nitto Denko Corp | ポリテトラフルオロエチレン多孔質膜及びその製造方法 |
-
2007
- 2007-03-13 JP JP2007064002A patent/JP2010132712A/ja active Pending
-
2008
- 2008-03-13 WO PCT/JP2008/054609 patent/WO2008111641A1/ja active Application Filing
- 2008-03-13 US US12/047,370 patent/US20080227880A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6166730A (ja) * | 1984-09-07 | 1986-04-05 | Chuko Kasei Kogyo Kk | ポリテトラフルオロエチレン樹脂多孔質体の製造方法 |
JPH09302121A (ja) * | 1996-05-17 | 1997-11-25 | Nitto Denko Corp | ポリテトラフルオロエチレン多孔質膜の製造方法 |
JPH1030031A (ja) * | 1996-05-17 | 1998-02-03 | Nitto Denko Corp | ポリテトラフルオロエチレン多孔質膜およびその製造方法、シート状ポリテトラフルオロエチレン成形体、並びに、エアーフィルター用濾材 |
JPH10287759A (ja) * | 1997-04-16 | 1998-10-27 | Nitto Denko Corp | ポリテトラフルオロエチレン多孔質膜及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2010132712A (ja) | 2010-06-17 |
US20080227880A1 (en) | 2008-09-18 |
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