DE2338786A1 - Hohle fasern fuer das niederdruckentsalzen von hartem wasser - Google Patents
Hohle fasern fuer das niederdruckentsalzen von hartem wasserInfo
- Publication number
- DE2338786A1 DE2338786A1 DE19732338786 DE2338786A DE2338786A1 DE 2338786 A1 DE2338786 A1 DE 2338786A1 DE 19732338786 DE19732338786 DE 19732338786 DE 2338786 A DE2338786 A DE 2338786A DE 2338786 A1 DE2338786 A1 DE 2338786A1
- Authority
- DE
- Germany
- Prior art keywords
- cellulose ester
- water
- threads
- solvent
- weight
- 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.)
- Pending
Links
Classifications
-
- 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
- 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
-
- 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
- D01D5/06—Wet spinning methods
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US27698372A | 1972-08-01 | 1972-08-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2338786A1 true DE2338786A1 (de) | 1974-02-14 |
Family
ID=23058956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19732338786 Pending DE2338786A1 (de) | 1972-08-01 | 1973-07-31 | Hohle fasern fuer das niederdruckentsalzen von hartem wasser |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS4950289A (it) |
DE (1) | DE2338786A1 (it) |
FR (1) | FR2194551A1 (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS546916A (en) * | 1977-06-20 | 1979-01-19 | Asahi Chem Ind Co Ltd | Hollow cellulose fibers and their production |
EP0008536B1 (en) * | 1978-08-22 | 1984-08-01 | Mitsubishi Rayon Co., Ltd. | Process for manufacturing regenerated cellulose hollow fiber |
CA1141114A (en) | 1978-11-24 | 1983-02-15 | Masamichi Ishida | Regenerated cellulose hollow fiber and process for manufacturing same |
US5181940A (en) * | 1991-08-01 | 1993-01-26 | Union Carbide Industrial Gases Technology Corporation | Hollow fiber membranes |
-
1973
- 1973-07-31 JP JP8552973A patent/JPS4950289A/ja active Pending
- 1973-07-31 DE DE19732338786 patent/DE2338786A1/de active Pending
- 1973-07-31 FR FR7328074A patent/FR2194551A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS4950289A (it) | 1974-05-15 |
FR2194551B3 (it) | 1976-07-16 |
FR2194551A1 (en) | 1974-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OHJ | Non-payment of the annual fee |