KR940008074B1 - 폴리프로필렌 다공질막 - Google Patents
폴리프로필렌 다공질막 Download PDFInfo
- Publication number
- KR940008074B1 KR940008074B1 KR1019940700300A KR19947000300A KR940008074B1 KR 940008074 B1 KR940008074 B1 KR 940008074B1 KR 1019940700300 A KR1019940700300 A KR 1019940700300A KR 19947000300 A KR19947000300 A KR 19947000300A KR 940008074 B1 KR940008074 B1 KR 940008074B1
- Authority
- KR
- South Korea
- Prior art keywords
- polypropylene
- hollow fiber
- membrane
- fiber membrane
- porous
- 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 - Lifetime
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Classifications
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- D—TEXTILES; PAPER
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- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
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- D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
- D01F6/06—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene
-
- 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
-
- 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
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/15—Use of additives
- B01D2323/21—Fillers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/0283—Pore size
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49906—Metal deforming with nonmetallic bonding
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- External Artificial Organs (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Artificial Filaments (AREA)
Abstract
Description
Claims (5)
- 다공질 폴리프로필렌 중공사막이며, 그의 내표면에 있어서는 고상은 입자상 폴리프로필렌이 일부 노출하면서 조밀하게 융화 결합하여 형성된 연속상을 나타내고 또 막내부 및 외표면에 있어서는 고상은 입자상 폴리프로필렌이 섬유축 방향으로 줄지어서 이루어진 폴리프로필렌 덩어리가 다수 모여서 형성되고, 이것들의 고상간의 간극은, 3차원 네트워어크상으로 연통되어 형성하여 이루어진 것을 특징으로 하는 다공질 폴리프로필렌 중공사막.
- 제1항에 있어서, 다공질 폴리프로필렌 중공사막의 축방향에 있어서의 복굴절율이 0.001 내지 0.01인 다공질 폴리프로필렌 중공사막.
- 제1항 또는 제2항에 있어서, 공공율이 10 내지 60%, 내표면의 개공율이 10 내지 30%, 산소 가스 플럭스가 100 내지 1500/분·㎡·atm인 다공질 폴리프로필렌 중공사막.
- 제1항 또는 제2항에 있어서, 내경이 150 내지 300㎛, 두께가 10 내지 150㎛인 다공질 폴리프로필렌 중공사막.
- 제1항 또는 제2항에 있어서, 입자상 폴리프로필렌의 평균 입경이 0.1 내지 2.0㎛이며, 내표면의 평균 공공경이 0.1 내지 1.0㎛인 다공질 폴리프로필렌 중공사막.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP898287 | 1987-01-20 | ||
| JP87-8982 | 1987-01-20 | ||
| JP87-56728 | 1987-03-13 | ||
| JP5672887A JPS63224702A (ja) | 1987-03-13 | 1987-03-13 | ポリプロピレン多孔質膜およびその製造方法 |
| PCT/JP1988/000039 WO1988005475A1 (fr) | 1987-01-20 | 1988-01-20 | Membrane de polypropylene poreux et procede de production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR940008074B1 true KR940008074B1 (ko) | 1994-09-01 |
Family
ID=26343619
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019880701129A Expired - Lifetime KR940002379B1 (ko) | 1987-01-20 | 1988-01-20 | 폴리프로필렌 다공질막 및 그의 제조방법 |
| KR1019940700300A Expired - Lifetime KR940008074B1 (ko) | 1987-01-20 | 1988-01-20 | 폴리프로필렌 다공질막 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019880701129A Expired - Lifetime KR940002379B1 (ko) | 1987-01-20 | 1988-01-20 | 폴리프로필렌 다공질막 및 그의 제조방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US5139529A (ko) |
| EP (1) | EP0341309B1 (ko) |
| KR (2) | KR940002379B1 (ko) |
| AU (1) | AU623848B2 (ko) |
| DE (1) | DE3855721T2 (ko) |
| WO (1) | WO1988005475A1 (ko) |
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|---|---|---|---|---|
| US7851024B2 (en) | 2002-06-14 | 2010-12-14 | Toray Industries, Inc. | Porous membrane and method for manufacturing the same |
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-
1988
- 1988-01-20 US US07/392,988 patent/US5139529A/en not_active Expired - Lifetime
- 1988-01-20 WO PCT/JP1988/000039 patent/WO1988005475A1/ja not_active Ceased
- 1988-01-20 KR KR1019880701129A patent/KR940002379B1/ko not_active Expired - Lifetime
- 1988-01-20 DE DE3855721T patent/DE3855721T2/de not_active Expired - Lifetime
- 1988-01-20 AU AU11847/88A patent/AU623848B2/en not_active Expired
- 1988-01-20 KR KR1019940700300A patent/KR940008074B1/ko not_active Expired - Lifetime
- 1988-01-20 EP EP88901092A patent/EP0341309B1/en not_active Expired - Lifetime
-
1992
- 1992-01-14 US US07/820,481 patent/US5354470A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7851024B2 (en) | 2002-06-14 | 2010-12-14 | Toray Industries, Inc. | Porous membrane and method for manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| US5139529A (en) | 1992-08-18 |
| KR940002379B1 (ko) | 1994-03-24 |
| EP0341309A1 (en) | 1989-11-15 |
| EP0341309A4 (en) | 1990-10-10 |
| AU623848B2 (en) | 1992-05-28 |
| WO1988005475A1 (fr) | 1988-07-28 |
| AU1184788A (en) | 1988-08-10 |
| EP0341309B1 (en) | 1996-12-27 |
| US5354470A (en) | 1994-10-11 |
| KR890700699A (ko) | 1989-04-26 |
| DE3855721T2 (de) | 1997-05-15 |
| DE3855721D1 (de) | 1997-02-06 |
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