Personal care compositions including a polyurethane - polyorganosiloxane copolymer

Abstract

A polyurethane-polyorganosiloxane copolymer is useful as a film forming agent in personal care compositions, such as hair care compositions and skin care compositions.

1 . A personal care composition comprising:
 (1) a polyurethane-polyorganosiloxane copolymer of unit formula   
       
         
           
           
               
               
           
         
       
       where each R U  is independently a monovalent unsaturated hydrocarbon group; each R D  is independently a divalent hydrocarbon group or a divalent halogenated hydrocarbon group; each R M  is independently a monovalent hydrocarbon group or a monovalent halogenated hydrocarbon group; each R P  is independently a hydrocarbon group that is divalent, trivalent, or tetravalent or a halogenated hydrocarbon group that is divalent, trivalent, or tetravalent; each R T  is independently hydrogen or a monovalent hydrocarbon group; each subscript b is independently 0 to 1,000,000; subscript c is 0 to 200,000, subscript i is 0 to 200,000, subscript w1 is 0 to 200,000, subscript w2 is 0 to 200,000, subscript w3 is 0 to 200,000, subscript w4 is 0 to 200,000, and a quantity (c+i+w1+w2+w3+w4)≥1; subscript dis 0 to 1,000,000; subscript e is 0 to 1,000,000; subscript h is 0 to 1,000,000, and with the proviso that a quantity (d+e+h)≥1; subscript f is 1 to 1,500,000; subscript g is 0 to 500,000, subscript kis to 500,000, and a quantity (g+k)≥1; subscript j≥0; each X is independently nitrogen, oxygen, or sulfur; subscript l=0 or 1 when X is nitrogen, and subscript l=1 when X is oxygen or sulfur; subscript m=1 when X is nitrogen and subscript l=1, and subscript m=0 when X is oxygen or sulfur; subscript o=0 when X is oxygen or sulfur, and subscript o=1 when X is nitrogen; each subscript q independently has a value such that 0<q≤3; subscript s is 0 to 200,000; subscript v is 0 to 200,000; subscript y1 is 0 to 1,000,000; and subscript y2≥0, the copolymer having an average of more than one aliphatically unsaturated group at each end; and
 (2) a carrier that permits application. 
 
     
     
         2 . The composition of  claim 1 , where the polyurethane-polyorganosiloxane copolymer has formula: 
       
         
           
           
               
               
           
         
         where each R U  is independently an alkenyl group of 2 to 13 carbon atoms; 
         each R D  is independently an alkylene group of 2 to 13 carbon atoms; each subscript b is independently 0 or 1; each subscript a is independently 0 to 100,000; and subscript n is 1 to 10,000. 
       
     
     
         3 . The composition of  claim 1 , where the composition is selected from a solution or a dispersion. 
     
     
         4 . The composition of  claim 1 , where the composition is an emulsion, and the carrier comprises water and a surfactant. 
     
     
         5 . A method comprising:
 (1) applying the composition of  claim 1  to a substrate, and   (2) drying the substrate.   
     
     
         6 . The method of  claim 5 , where the substrate is selected from the group consisting of human skin and human hair. 
     
     
         7 .- 8 . (canceled) 
     
     
         9 . A personal care composition comprising:
 (1) a polyurethane-polyorganosiloxane copolymer of formula   
       
         
           
           
               
               
           
         
         where
 each R U  is independently an alkenyl group of 2 to 13 carbon atoms; 
 each R D  is independently an alkylene group of 2 to 13 carbon atoms; 
 each subscript b is independently 0 or 1; 
 each subscript a is independently 0 to 100,000; and 
 subscript n is 1 to 10,000 
 each subscript y3 is independently 1 to 200,000; and 
 subscript n1 is 1 to 1,500,000. 
 
       
     
     
         10 . The composition of  claim 9 , where the composition is selected from a solution or a dispersion. 
     
     
         11 . The composition of  claim 10 , where the composition is an emulsion, and the carrier comprises water and a surfactant. 
     
     
         12 . A method comprising:
 (1) applying the composition  claim 9  to a substrate, and   (2) drying the substrate.   
     
     
         13 . The method of  claim 12 , where the substrate is selected from the group consisting of human skin and human hair. 
     
     
         14 . (canceled) 
     
     
         15 . The composition of  claim 2 , where the composition is selected from a solution or a dispersion. 
     
     
         16 . The composition of  claim 2 , where the composition is an emulsion, and the carrier comprises water and a surfactant. 
     
     
         17 . A method comprising:
 (1) applying the composition of  claim 2  to a substrate, and   (2) drying the substrate.   
     
     
         18 . A method comprising:
 (1) applying the composition of  claim 3  to a substrate, and   (2) drying the substrate.   
     
     
         19 . A method comprising:
 (1) applying the composition of  claim 4  to a substrate, and   (2) drying the substrate.