Water and oil repellent composition

Details Water and oil repellent composition Water and oil repellent composition

C - Chemistry, Metallurgy

08

L

C08L 101/02 (2006.01) C08L 33/16 (2006.01) C09D 201/02 (2006.01) C09K 3/18 (2006.01) D06M 15/37 (2006.01)

Patent

CA 2278251

The present invention is directed to a composition comprising (A) a copolymer which comprises (1) repeating units which are derived from a monomer having a fluoroalkyl group, a carbon-carbon double bond, (II) optional repeating units which are derived from a monomer having at least two urethane or urea bonds and a carbon-carbon double bond, but no fluorine atom, (III) optional repeating units which are derived from a monomer, the homopolymer of which having a glass transition temperature (Tg) of 50°C or less, (IV) optional repeating units which are derived from a monomer having a hydrophilic group and a carbon- -carbon double bond, and (V) optional repeating units which are derived from a monomer having a chlorine atom and a carbon-carbon double bond; and (B) a film- -forming auxiliary can impart high water and oil repellency by drying at room temperature (0 to 30°C) without requiring a heat treatment step.

Composition comprenant (A) un copolymère comprenant (I) des motifs constituants dérivés d'un monomère ayant un groupe fluoroalkyle et une double liaison carbone-carbone, (II) d'éventuels motifs constituants dérivés d'un monomère exempt de fluor, ayant au moins deux liaisons uréthane ou urée et une double liaison carbone-carbone, (III) d'éventuels motifs constituants dérivés d'un monomère ayant une température de transition vitreuse (Tg) d'au plus 50 DEG C, (IV) d'éventuels motifs constituants dérivés d'un monomère ayant un groupe hydrophile et une double liaison carbone-carbone, et (V) d'éventuels motifs constituants dérivés d'un monomère ayant un atome de chlore et une double liaison carbone-carbone, et (B) un adjuvant filmogène. Ladite composition confère des propriétés d'hydrofracticité et de déperlance après séchage à la température ambiante (0 à 30 DEG C) sans qu'un traitement thermique soit nécessaire.

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