Emulsified lipophilic paper sizing

B - Operations – Transporting – 01 – F

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134/47

B01F 3/08 (2006.01) D21H 3/02 (1980.01)

Patent

CA 1069410

ABSTRACT OF THE DISCLOSURE Aqueous emulsions containing lipophilic sizing agents, are used for sizing paper. Volatile nitrogen containing bases, such as ammonium hydroxide and tertiary amines, are used as emul- sifying agents to aid in forming aqueous emulsions of lipophilic sizing agents. Preferred lipophilic sizing agents are hetero- cyclic organic compounds which are formed by the reaction of a dicarboxylic acid anhydride and a long chain hydrocarbon.

236531

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