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US 7,008,993 B1Granted
Oil and water repellent compositions and methods of application thereof
OwnerEvan Galen, Andrew Baronsinventors
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Abstract
An oil and water repellent composition for protecting fabric, wool, and other substrates is described. The oil and water repellent composition comprises: (a) a cationic fluoroacrylate copolymer with a glass transition temperature near ambient temperature; (b) a cationic fluoroacrylate copolymer with a glass transition temperature of about 80° C. to about 100° C.; (c) a nonionic hydrophilic softener; and (d) an inorganic additive.
Claims39
A fluoropolymer-based composition comprising:
- (a) a cationic dispersion comprising a fluoroacrylate copolymer with a glass transition temperature at ambient temperature;
- (b) a cationic dispersion comprising a fluoroacrylate copolymer with a glass transition temperature of about 80° C. to about 100° C.;
- (c) a nonionic hydrophilic polyester softener;
- and
- (d) a water- and oil-repellent aid, comprising an emulsion of an inorganic salt.
2 more elements
Dependencies are inferred from the claim text.