Process for purifying organic solutions

Details Process for purifying organic solutions Process for purifying organic solutions

B - Operations, Transporting

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B01D 15/00 (2006.01) C08F 6/12 (2006.01) C08G 85/00 (2006.01) C08J 11/02 (2006.01)

Patent

CA 1200509

Process for purifying organic solutions Abstract Photopolymerisable resin polymers and, where present, conventional additives for said polymers, are removed from organic solutions by adsorption on activated carbon. Solutions containing from 1 to 150 g of polymer of molecu- lar weight in the range of 1000 to 500000 per liter of solvent at 20 to 150°C are brought into contact with 10 to 500 g of activated carbon per liter of solvent, the polymer or polymer and additives are adsorbed onto the carbon and, subsequently the solvent is isolated.

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