FIELD: process engineering.
SUBSTANCE: invention relates to filtration. Proposed method comprises dissolving copolymer of trifluoroethylene with vinylidene fluoride in acetone, mixing said solution with porophore polyethylene glycol, applying said solution on inner surface of open pore tube and evaporating the solvent.
EFFECT: stable high-concentration solutions of fluoropolymer facilitating filtration properties.
2 cl, 1 tbl
Title | Year | Author | Number |
---|---|---|---|
METHOD OF PRODUCTION A TUBULAR FILTERING ELEMENT WITH A FLUOROPLAST MEMBRANE | 2017 |
|
RU2650170C1 |
METHOD OF MANUFACTURING MEMBRANE-TYPE TUBULAR FILTER ELEMENTS | 2001 |
|
RU2206376C2 |
METHOD OF PRODUCING MEMBRANE TUBULAR FILTERING MEMBERS | 2001 |
|
RU2192301C1 |
METHOD OF MANUFACTURING FLUOROPOLYMER MEMBRANES FOR FILTRATION OF LIQUIDS | 1999 |
|
RU2158625C1 |
METHOD OF PRODUCING TUBULAR FILTRATION ELEMENT WITH PSU MEMBRANE | 2010 |
|
RU2438768C1 |
METHOD OF MANUFACTURING MEMBRANE-TYPE TUBULAR ULTRAFILTERS FOR SEPARATION OF COMPONENTS OF ELECTROPHORESIS PRIMER | 2003 |
|
RU2241528C1 |
METHOD OF CLEANING OIL | 2003 |
|
RU2255795C2 |
MEMBRANE TUBULAR FILTERING ELEMENT AND THE METHOD OF ITS PRODUCTION | 2005 |
|
RU2289470C2 |
METHOD FOR CLEARING LIQUID HYDROCARBONS OF HIGH MOLECULAR IMPURITIES | 2016 |
|
RU2622404C1 |
METHOD OF PRODUCING TUBULAR FILTRATION ELEMENT WITH POLYMER MEMBRANE | 2012 |
|
RU2483789C1 |
Authors
Dates
2011-11-10—Published
2010-03-25—Filed