Water soluble resins and application thereof to paper coating

Details Water soluble resins and application thereof to paper coating Water soluble resins and application thereof to paper coating

1997-04-11

1998-12-15

Gorr, Rachel

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 68, 528 75, 528407, 528418, 525419, 525426, 525455, 525540, 4284251, 4284796, 428511, 524589, 524608, 524612, 10628725, 1621572, 1621573, 1621574, C08G 1832

Patent

active

058498567

ABSTRACT:
A water soluble resin obtainable by reacting at least two reactants comprising a polyamine and a urea compound, or at least four reactants comprising a polyamine, a urea compound, a dibasic carboxylic acid compound and a lactam; and then reacting the reaction product with at least one compound selected from among epihalohydrins, .alpha.,.gamma.-dihalo-.beta.-hydrins, glycidyl compounds and isocyanates. The resultant the water soluble resin is useful for making a paper coating composition, such as by being mixing that resin with a pigment and an aqueous binder. The paper coating composition does not generate formaldehyde and can be used to manufacture coated papers exhibiting improved properties including excellent water resistance.

REFERENCES:
patent: 5521240 (1996-05-01), Yoshida et al.

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