Paper treatment compositions containing fluorochemical carboxylic acid and epoxidic cationic resin
AssigneeMinnesota Mining and Manufacturing Company
InventorCraig A. Schwartz
Life of this patent
Estimating the term…
Abstract
Cellulosic products are sized with treatment compositions prepared from (a) fluoroaliphatic radical-containing carboxylic acid or a salt or hydrolyzable precursor thereof, (b) water-soluble epoxidic cationic resin made by reacting epihalohydrin with ammonia or aminopolymer, and (c) an optional hydrophobic hydrocarbon sizing agent.
Claims19
Sizing treatment compositions, comprising:
- (a) fluoroaliphatic radical-containing carboxylic acid or a salt or hydrolyzable precursor thereof, and
- (b) water-soluble epoxidic cationic resin comprising a reaction product of epihalohydrin with ammonia or aminopolymer.
Sizing treatment compositions, comprising C.sub.8 F.sub.17 SO.sub.2 N(C.sub.2 H.sub.5)CH.sub.2 COOH or a salt or hydrolyzable precursor thereof, water-soluble epoxidic cationic resin comprising the reaction product of epichlorohydrin with a condensation polymer of diethylene triamine and dicyandiamide, and alkyl ketene dimer having the formula:
- ##STR9## wherein R.sup.3 is a hydrocarbon radical, a cycloalkyl radical, an aryl radical, an aralkyl radical, or an alkaryl radical.
Dependencies are inferred from the claim text.