ES8504224A1 - 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
- ES8504224A1 ES8504224A1 ES526182A ES526182A ES8504224A1 ES 8504224 A1 ES8504224 A1 ES 8504224A1 ES 526182 A ES526182 A ES 526182A ES 526182 A ES526182 A ES 526182A ES 8504224 A1 ES8504224 A1 ES 8504224A1
- 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
Links
- 239000012528 membrane Substances 0.000 title abstract 4
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000006057 Non-nutritive feed additive Substances 0.000 abstract 5
- 239000000203 mixture Substances 0.000 abstract 5
- 239000004743 Polypropylene Substances 0.000 abstract 4
- -1 polypropylene Polymers 0.000 abstract 4
- 229920001155 polypropylene Polymers 0.000 abstract 4
- 229920000642 polymer Polymers 0.000 abstract 3
- 239000011874 heated mixture Substances 0.000 abstract 2
- 230000001747 exhibiting effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000005191 phase separation Methods 0.000 abstract 1
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 LAS SIGUIENTES OPERACIONES: PRIMERA, SE CALIENTE UNA MEZCLA FORMADA POR POLIPROPILENO, UN POLIMERO SECUNDARIO Y UN AYUDANTE DE PROCESAMIENTO, SIENDO COMPATIBLES DICHO AYUDANTE DE PROCESAMIENTO Y EL POLIPROPILENO A TEMPERATURA ELEVADA; SEGUNDA, SE CONFORMA LA MEZCLA HOMOGENEA CALIENTE EN UN ARTICULO MOLDEADO; TERCERA, SE ENFRIA EL ARTICULO MOLDEADO; Y POR ULTIMO, SE TRATA DICHO ARTICULO MOLDEADO PARA SEPARAR DEL MISMO EL POLIMERO SECUNDARIO Y EL AYUDANTE DE PROCESAMIENTO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US43055982A | 1982-09-30 | 1982-09-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8504224A1 true ES8504224A1 (es) | 1984-10-01 |
ES526182A0 ES526182A0 (es) | 1984-10-01 |
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 After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES533114A Expired ES8506334A1 (es) | 1982-09-30 | 1984-06-04 | 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)
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)
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 |
-
1983
- 1983-09-29 EP EP83305894A patent/EP0112614A3/en not_active Withdrawn
- 1983-09-29 ZA ZA837304A patent/ZA837304B/xx unknown
- 1983-09-29 AU AU19755/83A patent/AU1975583A/en not_active Abandoned
- 1983-09-30 ES ES526182A patent/ES526182A0/es active Granted
- 1983-09-30 BR BR8305408A patent/BR8305408A/pt unknown
- 1983-09-30 JP JP58184322A patent/JPS5998707A/ja active Pending
-
1984
- 1984-06-04 ES ES533114A patent/ES8506334A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BR8305408A (pt) | 1984-05-15 |
AU1975583A (en) | 1984-04-05 |
ES533114A0 (es) | 1985-07-01 |
JPS5998707A (ja) | 1984-06-07 |
EP0112614A2 (en) | 1984-07-04 |
ZA837304B (en) | 1985-05-29 |
ES8506334A1 (es) | 1985-07-01 |
EP0112614A3 (en) | 1985-05-08 |
ES526182A0 (es) | 1984-10-01 |
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