Water- and oil-repellent treatment agent
AssigneeMinnesota Mining and Manufacturing Company
InventorsMakoto Nagase, Kathy Allewaert, Franceska Fieuws, Dirk Coppens
Life of this patent
Estimating the term…
Abstract
Compositions for imparting water- and oil-repellency to fabrics and provided. The compositions contain a flurochemical water- and oil-repellent agent, an aziridine compound, and a metal alcoholate or ester. The compositions may optionallly contain a silicone water-repellent agent.
Claims19
A water- and oil-repellent treating agent for fibrous substrates comprising a fluorochemical water- and oil-repellent agent, an aziridine compound, and a metal alcoholate or ester, wherein the metal is aluminum, zirconium or titanium.
Method of treating fibrous substrate comprising:
- A) contacting said fibrous substrate with a solution comprising a fluorochemical water- and oil-repellent agent, an aziridine compound, and a metal alcoholate or ester, wherein the metal is aluminum, zirconium;
- B) drying the substrate resulting from step A.
Dependencies are inferred from the claim text.