DD137950A5 - CELLULOSE ACETATE HOLLOW FIBERS AND METHOD FOR THE PRODUCTION THEREOF - Google Patents
CELLULOSE ACETATE HOLLOW FIBERS AND METHOD FOR THE PRODUCTION THEREOFInfo
- Publication number
- DD137950A5 DD137950A5 DD78206508A DD20650878A DD137950A5 DD 137950 A5 DD137950 A5 DD 137950A5 DD 78206508 A DD78206508 A DD 78206508A DD 20650878 A DD20650878 A DD 20650878A DD 137950 A5 DD137950 A5 DD 137950A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- production
- cellulose acetate
- hollow fibers
- acetate hollow
- fibers
- Prior art date
Links
- 229920002301 cellulose acetate Polymers 0.000 title 1
- 239000012510 hollow fiber Substances 0.000 title 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
- B01D71/08—Polysaccharides
- B01D71/12—Cellulose derivatives
- B01D71/14—Esters of organic acids
- B01D71/16—Cellulose acetate
-
- 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
- B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
-
- 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
- B01D69/08—Hollow fibre membranes
-
- 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
- B01D69/081—Hollow fibre membranes characterised by the fibre diameter
-
- 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
- B01D69/087—Details relating to the spinning process
-
- 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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
- D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/20—Specific permeability or cut-off range
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Artificial Filaments (AREA)
- External Artificial Organs (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US81292977A | 1977-07-05 | 1977-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD137950A5 true DD137950A5 (en) | 1979-10-03 |
Family
ID=25211003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD78206508A DD137950A5 (en) | 1977-07-05 | 1978-07-04 | CELLULOSE ACETATE HOLLOW FIBERS AND METHOD FOR THE PRODUCTION THEREOF |
Country Status (18)
| Country | Link |
|---|---|
| JP (2) | JPS5442420A (en) |
| AT (1) | AT364899B (en) |
| AU (1) | AU519458B2 (en) |
| BE (1) | BE868708A (en) |
| BR (1) | BR7804325A (en) |
| CA (1) | CA1107020A (en) |
| CH (1) | CH632536A5 (en) |
| DD (1) | DD137950A5 (en) |
| DE (1) | DE2827100C2 (en) |
| DK (1) | DK149600C (en) |
| FR (1) | FR2396780A1 (en) |
| GB (1) | GB2000722B (en) |
| IT (1) | IT1107799B (en) |
| MX (1) | MX153159A (en) |
| NL (1) | NL7807225A (en) |
| NO (1) | NO147979C (en) |
| NZ (1) | NZ187610A (en) |
| SE (1) | SE428221B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1153171A (en) * | 1979-12-17 | 1983-09-06 | David T. Chen | Cellulose semipermeable hollow fibers and method for making same |
| JPS5949806A (en) * | 1982-09-13 | 1984-03-22 | Teijin Ltd | Selectively permeable hollow fiber of cellulose ester and its production |
| JPS59199807A (en) * | 1983-04-20 | 1984-11-13 | Teijin Ltd | Preparation of hollow yarn of cellulose ester having selective permeability |
| JPS59211459A (en) * | 1983-05-17 | 1984-11-30 | 帝人株式会社 | Pasturization of blood treating device |
| JPS605202A (en) * | 1983-06-21 | 1985-01-11 | Teijin Ltd | Porous cellulose ester type hollow fiber and preparation thereof |
| CA1272139C (en) * | 1984-11-16 | 1990-07-31 | Fluid separator, hollow fiber to be used for construction thereof and process for preparation of said hollow fibers | |
| JPS6343669A (en) * | 1986-08-08 | 1988-02-24 | 帝人株式会社 | Production of blood treatment device |
| CN100381622C (en) | 2001-06-26 | 2008-04-16 | 东丽株式会社 | Thermoplastic cellulose derivative composition and fiber comprising the same |
| ES2808665T3 (en) * | 2012-02-24 | 2021-03-01 | Toyo Boseki | Hollow fiber type cellulose triacetate semipermeable membrane, process for making the same, module and process of water treatment |
| US10888822B2 (en) * | 2014-09-30 | 2021-01-12 | Toray Industries, Inc. | Separation membrane |
| DE102020102096B4 (en) | 2020-01-29 | 2023-03-23 | Cerdia International GmbH | CELLULOSE ACETATE FABRIC FOR A NONWOVEN PRODUCT, NONWOVEN PRODUCT CONTAINING SUCH FABRIC, AND METHOD OF MAKING SUCH FABRIC |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE336521A (en) * | 1925-09-17 | |||
| FR1456757A (en) * | 1964-09-02 | 1966-07-08 | Dow Chemical Co | Selectively permeable hollow fibers and their manufacture |
| US3423491A (en) * | 1964-09-02 | 1969-01-21 | Dow Chemical Co | Permselective hollow fibers and method of making |
| US3532527A (en) * | 1966-11-04 | 1970-10-06 | Dow Chemical Co | Permeable separatory membranes |
| US3745202A (en) * | 1971-03-17 | 1973-07-10 | Us Interior | Method of preparing an asymmetric membrane from a cellulose derivative |
| JPS5170316A (en) * | 1974-12-16 | 1976-06-17 | Teijin Ltd | SERUROOSUASETEETOCHUKUSHINO SEIZOHOHO |
-
1978
- 1978-06-09 AU AU36971/78A patent/AU519458B2/en not_active Expired
- 1978-06-19 NZ NZ187610A patent/NZ187610A/en unknown
- 1978-06-21 DE DE2827100A patent/DE2827100C2/en not_active Expired
- 1978-06-22 CA CA306,020A patent/CA1107020A/en not_active Expired
- 1978-06-28 FR FR7819383A patent/FR2396780A1/en active Granted
- 1978-06-30 AT AT0477578A patent/AT364899B/en not_active IP Right Cessation
- 1978-06-30 IT IT50125/78A patent/IT1107799B/en active
- 1978-07-04 CH CH727578A patent/CH632536A5/en not_active IP Right Cessation
- 1978-07-04 DD DD78206508A patent/DD137950A5/en unknown
- 1978-07-04 NO NO782320A patent/NO147979C/en unknown
- 1978-07-04 BE BE189048A patent/BE868708A/en not_active IP Right Cessation
- 1978-07-04 NL NL7807225A patent/NL7807225A/en not_active Application Discontinuation
- 1978-07-04 SE SE7807516A patent/SE428221B/en not_active IP Right Cessation
- 1978-07-04 GB GB7828704A patent/GB2000722B/en not_active Expired
- 1978-07-04 JP JP8138378A patent/JPS5442420A/en active Pending
- 1978-07-04 MX MX174045A patent/MX153159A/en unknown
- 1978-07-04 DK DK302078A patent/DK149600C/en not_active IP Right Cessation
- 1978-07-05 BR BR7804325A patent/BR7804325A/en unknown
-
1987
- 1987-02-05 JP JP62025535A patent/JPS62250215A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2396780A1 (en) | 1979-02-02 |
| JPS5442420A (en) | 1979-04-04 |
| ATA477578A (en) | 1981-04-15 |
| JPS62250215A (en) | 1987-10-31 |
| DE2827100C2 (en) | 1983-04-28 |
| GB2000722B (en) | 1982-01-27 |
| AU519458B2 (en) | 1981-12-03 |
| NL7807225A (en) | 1979-01-09 |
| MX153159A (en) | 1986-08-14 |
| IT1107799B (en) | 1985-11-25 |
| DK302078A (en) | 1979-01-06 |
| BE868708A (en) | 1979-01-04 |
| DE2827100A1 (en) | 1979-01-25 |
| DK149600C (en) | 1987-02-09 |
| NO147979B (en) | 1983-04-11 |
| IT7850125A0 (en) | 1978-06-30 |
| GB2000722A (en) | 1979-01-17 |
| AU3697178A (en) | 1979-12-13 |
| BR7804325A (en) | 1979-04-17 |
| CA1107020A (en) | 1981-08-18 |
| AT364899B (en) | 1981-11-25 |
| NO147979C (en) | 1983-07-20 |
| DK149600B (en) | 1986-08-04 |
| NO782320L (en) | 1979-01-08 |
| SE428221B (en) | 1983-06-13 |
| FR2396780B1 (en) | 1983-02-25 |
| JPS6317922B2 (en) | 1988-04-15 |
| NZ187610A (en) | 1980-09-12 |
| SE7807516L (en) | 1979-01-06 |
| CH632536A5 (en) | 1982-10-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RPI | Change in the person, name or address of the patentee (searches according to art. 11 and 12 extension act) | ||
| RPV | Change in the person, the name or the address of the representative (searches according to art. 11 and 12 extension act) |