ES8506334A1 - Un procedimiento para la preparacion de una membrana semipermeable polipropilenica - Google Patents

Un procedimiento para la preparacion de una membrana semipermeable polipropilenica

Info

Publication number
ES8506334A1
ES8506334A1 ES533114A ES533114A ES8506334A1 ES 8506334 A1 ES8506334 A1 ES 8506334A1 ES 533114 A ES533114 A ES 533114A ES 533114 A ES533114 A ES 533114A ES 8506334 A1 ES8506334 A1 ES 8506334A1
Authority
ES
Spain
Prior art keywords
processing aid
polypropylene
compatible
making
elevated temperature
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.)
Expired
Application number
ES533114A
Other languages
English (en)
Other versions
ES533114A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Extracorporeal Medical Specialties Inc
Original Assignee
Extracorporeal Medical Specialties Inc
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 Extracorporeal Medical Specialties Inc filed Critical Extracorporeal Medical Specialties Inc
Publication of ES533114A0 publication Critical patent/ES533114A0/es
Publication of ES8506334A1 publication Critical patent/ES8506334A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08J9/26—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
    • 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
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • B01D67/0031—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching by elimination of at least one of the blocks of a block copolymer
    • 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
    • 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

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)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

PROCEDIMIENTO PARA LA PREPARACION DE UNA MEMBRANA SEMIPERMEABLE POLIPROPILENICA.COMPRENDE: A) CALENTAR UNA MEZCLA DE 10 AL 30 EN PESO DE POLIPROPILENO, DE 1,0 AL 15 DE UN SEGUNDO POLIMERO Y DE 55 AL 80 EN PESO DE FTALATO DE DI-(2-ETILHEXILO), HASTA QUE SEA HOMOGEENEA; B) CONFORMAR LA MEZCLA HOMOGENEA CALENTADA EN UN ARTICULO MOLDEADO; Y C) ENFRIAR Y TRATAR EL ARTICULO MOLDEADO PARA SEPARAR EL FTALATO DE DI-(2-ETILHEXILO) DEL ARTICULO.
ES533114A 1982-09-30 1984-06-04 Un procedimiento para la preparacion de una membrana semipermeable polipropilenica Expired ES8506334A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43055982A 1982-09-30 1982-09-30

Publications (2)

Publication Number Publication Date
ES533114A0 ES533114A0 (es) 1985-07-01
ES8506334A1 true ES8506334A1 (es) 1985-07-01

Family

ID=23708050

Family Applications (2)

Application Number Title Priority Date Filing Date
ES526182A Granted ES526182A0 (es) 1982-09-30 1983-09-30 Un procedimiento para la preparacion de una membrana semipermeable polipropilenica.
ES533114A Expired ES8506334A1 (es) 1982-09-30 1984-06-04 Un procedimiento para la preparacion de una membrana semipermeable polipropilenica

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES526182A Granted ES526182A0 (es) 1982-09-30 1983-09-30 Un procedimiento para la preparacion de una membrana semipermeable polipropilenica.

Country Status (6)

Country Link
EP (1) EP0112614A3 (es)
JP (1) JPS5998707A (es)
AU (1) AU1975583A (es)
BR (1) BR8305408A (es)
ES (2) ES526182A0 (es)
ZA (1) ZA837304B (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61114702A (ja) * 1984-11-09 1986-06-02 Terumo Corp 平膜型透過性膜の製造方法
JPS6190704A (ja) * 1984-10-09 1986-05-08 Terumo Corp 中空糸膜
JPS6190707A (ja) * 1984-10-09 1986-05-08 Terumo Corp 中空糸膜の製造方法
JPS6190705A (ja) * 1984-10-09 1986-05-08 Terumo Corp 中空糸膜の製造方法
JPS61114701A (ja) * 1984-11-09 1986-06-02 Terumo Corp 平膜型透過性膜およびその製造方法
US4754089A (en) * 1986-12-05 1988-06-28 Sepracor Inc. Phase transfer catalysis
US4874567A (en) * 1987-04-24 1989-10-17 Millipore Corporation Microporous membranes from polypropylene
JPH01168303A (ja) * 1987-12-22 1989-07-03 Terumo Corp 多孔質中空糸膜およびその製造方法ならびに人工肺
CN114733364B (zh) * 2021-01-07 2023-06-30 杭州费尔新材料有限公司 一种低杂质的聚烯烃中空纤维膜的制备方法
CN114733363B (zh) * 2021-01-07 2023-10-31 杭州费尔新材料有限公司 一种聚烯烃气体交换膜的制备工艺

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS498506B1 (es) * 1970-05-08 1974-02-26
DE2108293A1 (en) * 1971-02-20 1972-08-31 Metallgesellschaft Ag Polyolefine - base articles - plasticised in presence of pvc
DE2341542C3 (de) * 1972-08-18 1978-09-28 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka (Japan) Herstellen poröser Folien aus makromolekularen Stoffen
JPS5939460B2 (ja) * 1976-12-10 1984-09-22 日石三菱株式会社 多孔膜の製法
NO153879C (no) * 1978-07-31 1986-06-11 Akzo Nv Fremstilling av en membran med poroes overflate.
US4237083A (en) * 1979-02-13 1980-12-02 Evans Products Company Process of manufacturing a microporous sheet material
JPS56159128A (en) * 1980-05-15 1981-12-08 Asahi Chem Ind Co Ltd Thermoplastic resin porous film and production thereof

Also Published As

Publication number Publication date
BR8305408A (pt) 1984-05-15
AU1975583A (en) 1984-04-05
ES533114A0 (es) 1985-07-01
ES8504224A1 (es) 1984-10-01
JPS5998707A (ja) 1984-06-07
EP0112614A2 (en) 1984-07-04
ZA837304B (en) 1985-05-29
EP0112614A3 (en) 1985-05-08
ES526182A0 (es) 1984-10-01

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