Powdery porous polymers containing N-vinylimidazol units, process for their preparation and their use
PCT No. PCT/EP96/03795 Sec. 371 Date Mar. 3, 1998 Sec. 102(e) Date Mar. 3, 1998 PCT Filed Aug. 29, 1996 PCT Pub. No. WO97/09359 PCT Pub. Date Mar. 13, 1997Porous polymers which are in powder form and contain N-vinylimidazole units and which are obtainable by free-radical precipitation polymerization...
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| creator | STEIN STEFAN BOECKH DIETER SCHADE CHRISTIAN ROESSLER GERHARD |
| description | PCT No. PCT/EP96/03795 Sec. 371 Date Mar. 3, 1998 Sec. 102(e) Date Mar. 3, 1998 PCT Filed Aug. 29, 1996 PCT Pub. No. WO97/09359 PCT Pub. Date Mar. 13, 1997Porous polymers which are in powder form and contain N-vinylimidazole units and which are obtainable by free-radical precipitation polymerization of a) 5-100% by weight of at least one N-vinylimidazole of the formula where R1, R2 and R3 are identical or different and are H, C1-C4-alkyl, N-vinylaxazolidone, N-vinyltriazole, 4-vinylpyridine N-oxide or mixtures of said monomers, b) 0-95% by weight of other copolymerizable monoethylenically unsaturated monomers and c) 0-50% by weight of at least one monomer with at least two non-conjugated ethylenic double bonds in aqueous solution which contains 0.5-30% by weight of at least one electrolyte and, based on the monomers employed, 0.5-80% by weight of at least one surfactant, a process of the preparation thereof, and the use of the porous polymers. |
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| subjects | ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMISTRY COMPOSITIONS BASED THEREON DETERGENT COMPOSITIONS DETERGENTS FATTY ACIDS THEREFROM MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS RECOVERY OF GLYCEROL RESIN SOAPS SOAP OR SOAP-MAKING THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF SINGLE SUBSTANCES AS DETERGENTS |
| title | Powdery porous polymers containing N-vinylimidazol units, process for their preparation and their use |
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