Treatment of cellulosic materials

Details Treatment of cellulosic materials Treatment of cellulosic materials

C - Chemistry, Metallurgy

07

D

260/321, 260/292

C07D 207/40 (2006.01) C07D 209/48 (2006.01) C07D 211/88 (2006.01) D06M 13/418 (2006.01) D21H 17/07 (2006.01)

Patent

CA 1077946

Abstract The present invention provides compositions for treating cellulosic materials, and in particular for sizing paper or waterproofing textiles with a reactive agent. The reactive agent is a cyclic imide substituted by an aliphatic hydro- phobic group and N-substituted by an electron-withdrawing group. Preferably, the composition contains a non-aromatic cyclic imide N-substituted by a long chain acyl group, e.g. N-stearoyl-4-cyclohexane-1,2-dicarboximide. Aqueous emulsions of the imides preferably contain a retention aid such as acrylamides and may be used particularly suitably to size aqueous paper pulp even under mildly alkaline conditions. - 1 -

215738

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