Cellulosic materials internally sized with ammoniated acid...

Details Cellulosic materials internally sized with ammoniated acid... Cellulosic materials internally sized with ammoniated acid...

C - Chemistry, Metallurgy

08

L

400/1807, 9/59,

C08L 93/04 (2006.01) D21D 3/00 (1980.01)

Patent

CA 1039878

Abstract Cellulosic materials such as paper are in- ternally sized by treating fibers of the cellulosic material, e.g., paper pulp, with a copolymer of an .alpha., .beta.-ethylenically unsaturated hydrophobic monomer and an ammoniated .alpha.,.beta.-etyhlenically unsaturated carboxylic acid, a reaction product of epihalohydrin and amine, rosin and alum. Internal sizing of the cellulosic material by this method can be carried out over complete range of pH.

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