FI68639C - Mikroporoes icke-cellformig kropp och mikroporoes cellformig kropp samt foerfaranden foer deras framstaellning - Google Patents

Mikroporoes icke-cellformig kropp och mikroporoes cellformig kropp samt foerfaranden foer deras framstaellning Download PDF

Info

Publication number
FI68639C
FI68639C FI772552A FI772552A FI68639C FI 68639 C FI68639 C FI 68639C FI 772552 A FI772552 A FI 772552A FI 772552 A FI772552 A FI 772552A FI 68639 C FI68639 C FI 68639C
Authority
FI
Finland
Prior art keywords
polymer
liquid
microporous
polymers
diameter
Prior art date
Application number
FI772552A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI772552A (fi
FI68639B (fi
Inventor
Anthony John Castro
Original Assignee
Akzo Nv
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Akzo Nv filed Critical Akzo Nv
Publication of FI772552A publication Critical patent/FI772552A/fi
Publication of FI68639B publication Critical patent/FI68639B/fi
Application granted granted Critical
Publication of FI68639C publication Critical patent/FI68639C/fi

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/08Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
    • A01N25/10Macromolecular compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0009Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0018Thermally induced processes [TIPS]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/26Polyalkenes
    • B01D71/261Polyethylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/26Polyalkenes
    • B01D71/262Polypropylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/44Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of groups B01D71/26-B01D71/42
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41NPRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N7/00Shells for rollers of printing machines
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00Materials not provided for elsewhere
    • C09K3/14Anti-slip materials; Abrasives
    • C09K3/149Antislip compositions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/46Impregnation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • B01D2325/026Sponge structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41NPRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N2207/00Location or type of the layers in shells for rollers of printing machines
    • B41N2207/02Top layers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2201/00Foams characterised by the foaming process
    • C08J2201/04Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/052Inducing phase separation by thermal treatment, e.g. cooling a solution
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2201/00Foams characterised by the foaming process
    • C08J2201/04Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0542Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
    • C08J2201/0543Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition the non-solvent being organic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2201/00Foams characterised by the foaming process
    • C08J2201/04Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0545Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition
    • C08J2201/0546Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition the non-solvent being organic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Dispersion Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Thermal Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Plant Pathology (AREA)
  • Toxicology (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
FI772552A 1976-08-30 1977-08-26 Mikroporoes icke-cellformig kropp och mikroporoes cellformig kropp samt foerfaranden foer deras framstaellning FI68639C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US71854976A 1976-08-30 1976-08-30
US71854976 1976-08-30
US81435177A 1977-07-11 1977-07-11
US81435177 1977-07-11

Publications (3)

Publication Number Publication Date
FI772552A FI772552A (fi) 1978-03-01
FI68639B FI68639B (fi) 1985-06-28
FI68639C true FI68639C (fi) 1985-10-10

Family

ID=27109924

Family Applications (1)

Application Number Title Priority Date Filing Date
FI772552A FI68639C (fi) 1976-08-30 1977-08-26 Mikroporoes icke-cellformig kropp och mikroporoes cellformig kropp samt foerfaranden foer deras framstaellning

Country Status (22)

Country Link
JP (2) JPS5329367A (fr)
AR (1) AR220685A1 (fr)
AT (1) AT375665B (fr)
AU (1) AU511101B2 (fr)
BR (1) BR7705790A (fr)
CA (1) CA1110811A (fr)
CH (1) CH649565A5 (fr)
DD (1) DD140052A5 (fr)
DE (1) DE2737745C2 (fr)
DK (1) DK171108B1 (fr)
ES (2) ES461970A1 (fr)
FI (1) FI68639C (fr)
FR (1) FR2362890A1 (fr)
GB (1) GB1576228A (fr)
GR (1) GR64881B (fr)
IT (1) IT1143677B (fr)
MX (1) MX148613A (fr)
NL (1) NL7709505A (fr)
NO (1) NO151369C (fr)
PL (1) PL111017B1 (fr)
SE (1) SE441928B (fr)
TR (1) TR19643A (fr)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT380179B (de) * 1978-07-31 1986-04-25 Akzo Nv Verfahren zur herstellung einer membran mit poroeser struktur in form eines hohlfadens
DE2916581C2 (de) * 1979-04-24 1982-09-23 Akzo Gmbh, 5600 Wuppertal Ummantelung für elektrische Leiter und Wellenleiter
CA1202837A (fr) * 1980-03-14 1986-04-08 Wolfgang J. Wrasidlo Membranes asymetriques, leur fabrication et leur emploi
JPS56159128A (en) * 1980-05-15 1981-12-08 Asahi Chem Ind Co Ltd Thermoplastic resin porous film and production thereof
DE3026688C2 (de) * 1980-07-15 1986-02-20 Akzo Gmbh, 5600 Wuppertal Verfahren zur Herstellung von pulverförmigen, porösen Polymerteilchen
DE3026762C2 (de) * 1980-07-15 1985-04-25 Akzo Gmbh, 5600 Wuppertal Verfahren zum Herstellen von porösem, pulverförmigem Polypropylen und Verwendung der Verfahrensprodukte
DE3049557A1 (de) * 1980-12-31 1982-07-29 Akzo Gmbh, 5600 Wuppertal Poroese schlaeuche
DE3049558A1 (de) * 1980-12-31 1982-07-29 Akzo Gmbh, 5600 Wuppertal Unterirdische bewaesserung oder traenkung von boeden
NZ199916A (en) * 1981-03-11 1985-07-12 Unilever Plc Low density polymeric block material for use as carrier for included liquids
CA1196620A (fr) * 1981-06-26 1985-11-12 Donald Barby Substrat porteur de polymere poreux
DE3129064A1 (de) * 1981-07-23 1983-02-10 Akzo Gmbh, 5600 Wuppertal Verfahren und vorrichtung zur blutoxygenation
JPS5829839A (ja) * 1981-08-13 1983-02-22 Mitsubishi Plastics Ind Ltd 微孔性多孔膜の製法
DE3205289C2 (de) * 1982-02-15 1984-10-31 Akzo Gmbh, 5600 Wuppertal Verfahren zur Herstellung von porösen Körpern mit einstellbarem Gesamtporenvolumen, einstellbarer Porengröße und einstellbarer Porenwandung
DE3214667C2 (de) * 1982-04-21 1985-07-18 Akzo Gmbh, 5600 Wuppertal Zusammengesetzter Körper für die Langzeitabgabe von Wirkstoffen
DE3215211A1 (de) * 1982-04-23 1983-10-27 Akzo Gmbh Mikroporoese mit wirkstoffen beladene pulver
JPS5931701A (ja) * 1982-08-16 1984-02-20 Nitto Electric Ind Co Ltd 液状活性物質含有膜及びその製造方法
US4490431A (en) * 1982-11-03 1984-12-25 Akzona Incorporated 0.1 Micron rated polypropylene membrane and method for its preparation
DE3304951A1 (de) * 1983-02-12 1984-08-16 Akzo Gmbh, 5600 Wuppertal Vorrichtung zum filtern einer fluessigkeit
DE3327638C2 (de) * 1983-07-30 1986-08-07 Akzo Gmbh, 5600 Wuppertal Verfahren und Vorrichtung zur Herstellung Poren aufweisender Formkörper
DE3481817D1 (de) * 1983-07-30 1990-05-10 Akzo Gmbh Poren aufweisende formkoerper.
NL8400516A (nl) * 1984-02-17 1985-09-16 Naarden International Nv Werkwijze ter bereiding van luchtverfrissingsgelen.
GB8405680D0 (en) * 1984-03-05 1984-04-11 Unilever Plc Porous polymers
DE3426122A1 (de) * 1984-07-16 1986-01-23 Henkel KGaA, 4000 Düsseldorf Werkzeug zur haarbehandlung
DE3610548A1 (de) * 1986-03-27 1987-10-01 Sick Optik Elektronik Erwin Verfahren und vorrichtung zum bewaessern von boeden
DE3624363C2 (de) * 1986-07-18 1995-06-08 Akzo Gmbh Vorrichtung zum Abtrennen von Gasblasen aus Infusionsflüssigkeiten oder Flüssigkeiten des menschlichen Körpers
US4726989A (en) 1986-12-11 1988-02-23 Minnesota Mining And Manufacturing Microporous materials incorporating a nucleating agent and methods for making same
GB8709688D0 (en) 1987-04-24 1987-05-28 Unilever Plc Porous material
US4867881A (en) * 1987-09-14 1989-09-19 Minnesota Minning And Manufacturing Company Orientied microporous film
DE3829766A1 (de) * 1988-09-01 1990-03-22 Akzo Gmbh Verfahren zur herstellung von membranen
GB8916776D0 (en) * 1989-07-21 1989-09-06 Wilson Robert W Slow release chemicals
CH685878A5 (de) * 1993-12-08 1995-10-31 Brugg Ag Kabelwerke Verfahren zur Herstellung eines additivbeladenen poroesen Traegermaterials
EP0699710A3 (fr) * 1994-09-01 1996-06-26 Bridgestone Corp Structure polymère réticulée et procédé pour sa fabrication
US5571415A (en) * 1994-11-02 1996-11-05 Rohm And Haas Company Method for preparing porous polymer structures
DE19700760C2 (de) * 1997-01-11 2000-11-09 Microdyn Modulbau Gmbh & Co Kg Verfahren zur Herstellung von porösen Formkörpern aus thermoplastischen Polymeren, poröse Formkörper und Verwendung der Formkörper
DE69814419T2 (de) 1997-01-31 2004-03-18 Kao Corp. Mit reinigungsmittel imprägniertes reinigungstuch
ATE408447T1 (de) * 1997-07-23 2008-10-15 Membrana Gmbh Integral asymmetrische polyolefinmembran zum gasaustausch
DE19751031A1 (de) 1997-11-19 1999-06-24 Ingo Dipl Ing Heschel Verfahren zur Herstellung poröser Strukturen
BR0007614B1 (pt) * 1999-01-21 2010-10-19 processo de preparação de membrana hidrofóbica integralmente assimétrica, e, membrana hidrofóbica.
DE50000994D1 (de) * 1999-01-22 2003-02-06 Membrana Gmbh Verfahren zur herstellung einer integral asymmetrischen polyolefinmembran
US7247602B2 (en) 2000-10-26 2007-07-24 Adjuvants Plus Inc. Agrochemical formulation aid composition and uses thereof
CA2324677A1 (fr) 2000-10-26 2002-04-26 James F. Stewart Additif agrochimique
BR0306850B1 (pt) 2002-01-24 2011-12-13 processo para produzir uma membrana hidrofóbica integralmente assimétrica.
DE10220038A1 (de) * 2002-05-04 2003-11-20 Membrana Gmbh Verfahren zur Herstellung geschäumter Polymerformkörper und geschäumter Polymerformkörper
JP4016712B2 (ja) * 2002-05-13 2007-12-05 株式会社ジーエス・ユアサコーポレーション リチウムイオン導電性ポリマー電解質およびそれを用いたポリマー電解質電池
JP5414020B2 (ja) * 2007-06-22 2014-02-12 国立大学法人大阪大学 (メタ)アクリル酸エステル系ポリマーを液体に溶解する方法
US9062022B2 (en) 2008-12-04 2015-06-23 The University Of Akron Polymer composition and dialysis membrane formed from the polymer composition
ATE528066T1 (de) 2008-12-12 2011-10-15 Membrana Gmbh Hydrophobe ozonstabile pvdf-membran mit hoher mechanischer stabilität
WO2013069681A1 (fr) * 2011-11-08 2013-05-16 株式会社カネカ Corps poreux de copolymère à base de chlorure de vinyle et son procédé de fabrication
CN105473214B (zh) 2013-05-29 2018-06-15 3M创新资产公司 微孔聚偏二氟乙烯膜
TWI669152B (zh) 2014-11-03 2019-08-21 美商3M新設資產公司 微孔性聚偏二氟乙烯平面膜及其製造方法
WO2016081992A1 (fr) * 2014-11-25 2016-06-02 Deakin University Matériau absorbant
DE102016214304A1 (de) 2015-08-05 2017-02-09 Tesa Se Mikrozelluläre Emulsionsschäume
EP3421117A1 (fr) 2017-06-28 2019-01-02 3M Innovative Properties Company Membranes à feuille plate de polyamide à structure superficielle microporeuse pour la rétention de nanoparticules

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3055297A (en) * 1957-01-14 1962-09-25 Johnson & Son Inc S C Microporous synthetic resin material
GB938694A (en) * 1959-06-02 1963-10-02 Electric Storage Battery Co Improvements relating to microporous thermoplastic resinous materials
US3378507A (en) * 1961-12-20 1968-04-16 Gen Electric Producing microporous polymers
US3308073A (en) * 1962-04-09 1967-03-07 Phillips Petroleum Co Porous polyolefin objects
NL6408338A (fr) * 1963-07-26 1965-01-27
US3367891A (en) * 1965-12-15 1968-02-06 Koppers Co Inc Permeable foamed styrene polymer
US3607793A (en) * 1968-02-23 1971-09-21 Hercules Inc Process for forming porous structures
US3565982A (en) * 1968-05-17 1971-02-23 Usm Corp Process of making microporous sheets
GB1345944A (en) * 1970-12-03 1974-02-06 Du Pont Foamed materials
BE787932A (fr) * 1971-09-13 1973-02-26 Bristol Myers Co Produits tels que des tampons, pour nettoyage ou d'autres usages et compositions liquides pour preparer ces produits
US3945926A (en) * 1971-10-18 1976-03-23 Chemical Systems, Inc. Integral microporous high void volume polycarbonate membranes and a dry process for forming same
JPS5439867B2 (fr) * 1972-02-24 1979-11-30
JPS572739B2 (fr) * 1972-05-13 1982-01-18
JPS4924267A (fr) * 1972-06-26 1974-03-04
JPS49108172A (fr) * 1973-02-17 1974-10-15
CA1050187A (fr) * 1974-01-24 1979-03-06 James W. Stoll Composes polymeriques solides antistatiques
NL7407255A (nl) * 1974-05-30 1975-12-02 Stamicarbon Poreuze polymeerstructuren.
JPS5120561A (ja) * 1974-08-09 1976-02-18 Toyo Communication Equip Dosuruuhoorupurintohaisenbanno seizohoho

Also Published As

Publication number Publication date
PL111017B1 (en) 1980-08-30
CH649565A5 (en) 1985-05-31
DK337477A (da) 1978-03-01
FI772552A (fi) 1978-03-01
ATA627277A (de) 1984-01-15
TR19643A (tr) 1979-09-14
CA1110811A (fr) 1981-10-20
FI68639B (fi) 1985-06-28
DD140052A5 (de) 1980-02-06
NO151369C (no) 1985-03-27
ES471772A1 (es) 1979-10-16
GR64881B (en) 1980-06-06
GB1576228A (en) 1980-10-01
NO772976L (no) 1978-03-01
JPH0450339B2 (fr) 1992-08-14
FR2362890B1 (fr) 1985-04-12
JPS5329367A (en) 1978-03-18
NO151369B (no) 1984-12-17
JPH03205435A (ja) 1991-09-06
JPH0329815B2 (fr) 1991-04-25
FR2362890A1 (fr) 1978-03-24
PL200533A1 (pl) 1978-07-17
SE7708653L (sv) 1978-03-01
DE2737745C2 (de) 1984-03-22
DE2737745A1 (de) 1978-03-09
ES461970A1 (es) 1978-11-01
DK171108B1 (da) 1996-06-10
SE441928B (sv) 1985-11-18
BR7705790A (pt) 1978-06-13
AU511101B2 (en) 1980-07-31
AR220685A1 (es) 1980-11-28
MX148613A (es) 1983-05-18
IT1143677B (it) 1986-10-22
AT375665B (de) 1984-08-27
NL7709505A (nl) 1978-03-02
AU2806377A (en) 1979-02-22

Similar Documents

Publication Publication Date Title
FI68639C (fi) Mikroporoes icke-cellformig kropp och mikroporoes cellformig kropp samt foerfaranden foer deras framstaellning
US4519909A (en) Microporous products
US4247498A (en) Methods for making microporous products
US5120594A (en) Microporous polyolefin shaped articles with patterned surface areas of different porosity
JP2757918B2 (ja) 微孔質物品およびその製造方法
JP4704039B2 (ja) 多孔性ビーズおよびその製造方法
CN1128835C (zh) 聚烯烃微多孔膜及其制造方法
CN1134491C (zh) 聚烯烃微多孔膜及其制造方法
KR100530614B1 (ko) 고투과성 폴리올레핀 미다공막의 제조방법
KR920005672B1 (ko) 미공성 시이트 물질과 이의 제조방법
Trieu et al. Polyvinyl alcohol hydrogels I. Microscopic structure by freeze-etching and critical point drying techniques
US11224854B2 (en) Porous formed article, method for producing porous formed article, and production apparatus for porous formed article
Zou et al. Macroporous antibacterial hydrogels with tunable pore structures fabricated by using Pickering high internal phase emulsions as templates
JPS6134736B2 (fr)
CZ279425B6 (cs) Homogenní trojrozměrný mikroporézní útvar a způsob jeho přípravy
EA000563B1 (ru) Способ получения пористых полиолефиновых частиц
CA1120670A (fr) Structure isotropique microporeuse de polymere, et methode de fabrication connexe
CA1120672A (fr) Structure polymere, homogene, isotrope, tridimensionnelle, microporeuse, et methode pour sa preparation
CA1120671A (fr) Structure homogene, isotropique, microporeuse tridimensionnelle en polymere, et methode de fabrication connexe
CA1120669A (fr) Structure alveolaire microporeuse, et methode de fabrication connexe
CA1120666A (fr) Structure homogene, isotropique, microporeuse tridimensionnelle en polymere, et methode de fabrication connexe
CA1120667A (fr) Structure homogene, isotropique, alveolaire, micorporeuse tridimensionnelle en polymere, et methode de fabrication connexe
CA1120668A (fr) Polymere alveolaire microporeux, et methode de fabrication connexe
JP2005021842A (ja) 汚染物質除去材及びそれを用いた汚染物質除去方法
JP4810847B2 (ja) ポリエチレン系中空糸多孔質膜の製造方法

Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: AKZO NV