FLUOROCHEMICAL AND POLYOXYALKYLENE SILOXANE ADDITIVE FOR COATINGS

• Main Authors: MENG, XIANJUN, MAY, DONALD, DOUGLAS, HERZOG, AXEL, HANS-JOACHIM, BERRETTINI, MIA, GENEVIEVE, GAVENONIS, JOHN
• Format: Patent
• Language: English; French
• Published: 26.06.2008
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; USE OF MATERIALS THEREFOR; WOODSTAINS

Coating compositions comprise a coating base, a polyoxyalkylene siloxane additive and a fluorochemical wherein the polyoxyalkylene siloxane is of Formulae 1A, 1 B, 1 C, or 2: (R2)3SiO[Si(R2) 2O]y[Si(R2)( R1)O]x[Si(R2)2O]zSi(R2)3 Formula 1A (R2)3SiO[Si(R2) 2O]?[Si(R2) 2R1 Formula 1 B R1(R2)2SiO[Si(R2) 2O]x[Si(R2) 2O]Si(R2) 2R1 Formula 1 C wherein each R2 is independently H, alkyl, or aryl; each R1 is a polyoxyalkylene group having the formula 3 as follows: -CnR4 L'invention concerne des compositions de revêtement comprenant une base de revêtement, un additif de polyoxyalkylènesiloxane et un produit chimique fluoré, caractérisées en ce que le polyoxyalkylènesiloxane répond aux formules 1A, 1B, 1C ou 2 : (R2)3SiO[Si(R2)2O]y[Si(R2)(R1)O]x[Si(R2)2O]zSi(R2)3 (Formule 1A) ; (R2)3SiO[Si(R2)2O]?[Si(R2)2R1 (Formule 1B) ; R1(R2)2SiO[Si(R2)2O]x[Si(R2)2O]Si(R2)2R1 (Formule 1C) ; dans lesquelles formules chaque R2 est indépendamment H, un alkyle ou un aryle ; chaque R1 est un groupe polyoxyalkylène répondant à la formule 3 suivante : -CnR4