Polymerisable disulphimide derivatives containing maleic...

Details Polymerisable disulphimide derivatives containing maleic... Polymerisable disulphimide derivatives containing maleic...

C - Chemistry, Metallurgy

07

D

260/322.5

C07D 207/44 (2006.01) B01D 71/40 (2006.01) B01D 71/42 (2006.01) C07D 207/452 (2006.01) C07D 207/456 (2006.01) C08F 22/40 (2006.01) C08F 220/48 (2006.01)

Patent

CA 1109474

POLYMERISABLE DISULPHIMIDE DERIVATIVES CONTAINING MALEIC IMIDE GROUPS AND THEIR USE Abstract of the Disclosure Compounds corresponding to the general formula Image wherein Ar denotes a benzene or naphthalene group; R1 and R2 are identical or different and denote H, CH3, F or Cl; R3 and R4 are identical or different and denote H, phenyl, branched-chain or linear alkyl having from 1 to 6 C-atoms, branched-chain or linear hydroxyalkyl having from 1 to 6 C-atoms, Cl or F; and X denotes H, Na, K or NH4. 1 to 50 % by weight of said compounds, 50 to 99 % by weight of acrylonitrile and 0 to 30 % by weight of at least one further monomer copolymerisable with acrylonitrile may be copolymerized. The copolymers are suitable for producing semi-permeable membranes which may be used for reverse osmosis and ultrafiltration.

322885

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