GB1425319A - Casting solutions - Google Patents
Casting solutionsInfo
- Publication number
- GB1425319A GB1425319A GB3200775A GB3200775A GB1425319A GB 1425319 A GB1425319 A GB 1425319A GB 3200775 A GB3200775 A GB 3200775A GB 3200775 A GB3200775 A GB 3200775A GB 1425319 A GB1425319 A GB 1425319A
- Authority
- GB
- United Kingdom
- Prior art keywords
- casting solutions
- dec
- membrane casting
- solutions
- polypentamethylene
- 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
- 238000005266 casting Methods 0.000 title abstract 3
- -1 alkylene diol Chemical class 0.000 abstract 3
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 abstract 2
- 239000012528 membrane Substances 0.000 abstract 2
- 229920000728 polyester Polymers 0.000 abstract 2
- BYEAHWXPCBROCE-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoropropan-2-ol Chemical compound FC(F)(F)C(O)C(F)(F)F BYEAHWXPCBROCE-UHFFFAOYSA-N 0.000 abstract 1
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 abstract 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 abstract 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 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
- B01D71/48—Polyesters
-
- 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
- B01D2323/00—Details relating to membrane preparation
- B01D2323/12—Specific ratios of components used
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20892871A | 1971-12-16 | 1971-12-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1425319A true GB1425319A (en) | 1976-02-18 |
Family
ID=22776626
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3200775A Expired GB1425319A (en) | 1971-12-16 | 1972-12-18 | Casting solutions |
GB5844072A Expired GB1425318A (en) | 1971-12-16 | 1972-12-18 | Microporous polyester membranes |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5844072A Expired GB1425318A (en) | 1971-12-16 | 1972-12-18 | Microporous polyester membranes |
Country Status (4)
Country | Link |
---|---|
CA (1) | CA1025590A (enrdf_load_stackoverflow) |
DE (1) | DE2261895B2 (enrdf_load_stackoverflow) |
FR (1) | FR2165957B1 (enrdf_load_stackoverflow) |
GB (2) | GB1425319A (enrdf_load_stackoverflow) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0611320B2 (ja) * | 1984-10-02 | 1994-02-16 | 旭メデイカル株式会社 | 血液透析用中空糸膜 |
GB8620484D0 (en) * | 1986-08-22 | 1986-10-01 | Raychem Ltd | Plugged microporous film |
EP2060315A3 (en) * | 2007-11-15 | 2009-08-12 | DSMIP Assets B.V. | High performance membrane |
WO2012175416A1 (en) * | 2011-06-23 | 2012-12-27 | Solvay Specialty Polymers Italy S.P.A. | Process for manufacturing porous membranes |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3216882A (en) * | 1960-12-05 | 1965-11-09 | Nalco Chemical Co | Porous plastic film |
US3423491A (en) * | 1964-09-02 | 1969-01-21 | Dow Chemical Co | Permselective hollow fibers and method of making |
CH446714A (fr) * | 1964-09-23 | 1967-11-15 | Rhone Poulenc Sa | Procédé d'obtention d'une matière microporeuse |
DE1771082B1 (de) * | 1968-03-30 | 1970-10-08 | Varta Gmbh | Separationsschicht fuer galvanische Primaerelemente mit waessrigem Elektrolyten aus einer Mischung zumindest zweier Kunststoffe,von denen der eine als Porenbildner herausloesbar ist |
-
1972
- 1972-12-18 DE DE2261895A patent/DE2261895B2/de not_active Ceased
- 1972-12-18 GB GB3200775A patent/GB1425319A/en not_active Expired
- 1972-12-18 CA CA159,248A patent/CA1025590A/en not_active Expired
- 1972-12-18 FR FR727245088A patent/FR2165957B1/fr not_active Expired
- 1972-12-18 GB GB5844072A patent/GB1425318A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1025590A (en) | 1978-01-31 |
DE2261895A1 (de) | 1973-06-28 |
FR2165957B1 (enrdf_load_stackoverflow) | 1979-02-09 |
FR2165957A1 (enrdf_load_stackoverflow) | 1973-08-10 |
GB1425318A (en) | 1976-02-18 |
DE2261895B2 (de) | 1979-10-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |