Dicyandiamide-formaldehyde condensates modified with urea...

Details Dicyandiamide-formaldehyde condensates modified with urea... Dicyandiamide-formaldehyde condensates modified with urea...

C - Chemistry, Metallurgy

08

G

400/4203, 9/53,

C08G 12/16 (2006.01) C08G 12/04 (2006.01) C08G 12/42 (2006.01) C08G 12/46 (2006.01) C08G 73/02 (2006.01) C08L 61/20 (2006.01) C08L 61/22 (2006.01) D21H 17/17 (2006.01) D21H 17/50 (2006.01) D21H 17/54 (2006.01)

Patent

CA 1188836

Abstract of the Disclosure Disclosed are novel water-soluble, thermosettable resinous compositions derived by reacting a precondensate of dicyandiamide, formaldehyde, a salt of a water-soluble poly- aminopolyamide and an ammonium salt with urea and then con- densing the reaction product with additional formaldehyde. The resinous compositions are cationic and have particular utility in the manufacture of paper sized with cellulose reactive sizing agents such as ketene dimer sizing agents.

416581

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