Methods for preparation of keratin fiber color coatings with a carboxylic acid polymer - cdi composition

Abstract

The methods and compositions of the present invention are directed to coloration of anagenic hair. The methods involve priming and deep cleaning the anagenic hair followed by coating the hair strands with a composite pigment containing film of a small molecule and a film forming composition which covalently interact to form an intimate three dimensional silicone network incorporating the pigment on the surfaces of the hair.

1 . A method for producing a color coating on the surfaces of keratin fibers comprising
 Preparing the keratin fibers to form primed and/or deep cleaned keratin fibers;   Applying to the primed and/or deep cleaned keratin fibers a pretreatment composition to form pre-coated keratin fibers; and   Applying to the pre-coated keratin fibers a film forming composition to form a composite film of the film forming composition and pretreatment composition on the keratin fibers; and,   Converting the composite film to a color coating on the keratin fibers;   
       wherein
 The pretreatment composition comprises a compatible medium and at least one organosilicone small molecule with alkoxysilyl groups and/or organoamine groups; 
 The film forming composition comprises a compatible medium with one or more microparticle pigments and/or color bodies, a binder, and a linker wherein 
 the binder comprises an olefinic polymer, silicone polymer or olefinic-silicone block copolymer having at least 2 pendant and/or terminal carboxylic acid groups; and 
 the linker comprises an alkylenyl, aromatic or alkylenyl aromatic polymer having multiple in chain segments of carbodiimide or a polymer of ester, urethane or urea monomeric residues having pendant and/or terminal alkylenyl single carbodiimide groups, 
 wherein the binder and linker are each independently linear or branched, preferably linear; and, 
 The primed and/or deep cleaned keratin fibers are prepared by removal of sebum and associated substances on the keratin fiber surfaces. 
 
     
     
         2 . A method according to  claim 1  wherein the binder comprises at least at least three carboxylic acid groups. 
     
     
         3 . A method according to according to  claim 1  wherein the binder comprises an olefinic-silicone block polymer. 
     
     
         4 . A method according to according to  claim 1  wherein the linker further comprises pendant and/or terminal alkoxysilyl groups. 
     
     
         5 . A method according to  claim 1  wherein the binder comprises a olefinic, silicone or organosilicone polymer of Formula I
   MUE-(MU1) x (MUX) y -(MU2) z -(MU3) a (MU3X) b -MUE   Formula I
 
 
       wherein
 MU1 comprises a hydrophobic olefinic monomeric unit comprising a C2-C10 alkene residue, a C4-C12 alkadiene residue and/or a C6-C10 aromatic/alkylaromatic vinyl residue; 
 MUX comprises an acidic olefinic monomeric unit comprising a C3-C10 alkenoic acid residue or a C4-C10 alkadienoic acid residue; 
 MU2 comprises a hydrophilic olefinic monomeric unit comprising a vinyl C2-C16 alkanoic ester residue, a C1-C14 alkyl or hydroxyalkyl linear C2-C14 alkenoic ester residue, a C2-C10 alkenoic amide residue or N—C1-C4 alkyl substituted version of the amide residue; 
 MU3 comprises a dimethylsiloxane residue; 
 MU3X comprises a monomethylsiloxane residue bound to an alkanoic acid of at least 4 carbons with one of the alkyl carbons of the alkanoic acid optionally having a hydroxy group; and 
 MUE comprises a single terminal monomeric unit of MU1, MU2, MU3, MUX or MU3X; 
 each of the designators x, y, z, a and b independently designates the number of corresponding monomeric units forming the linear polymeric backbone, wherein each of x, z and a is zero or an integer of from 1 up to about 100,000 and y and b are each zero or an integer of 1 to 100; 
 when b is an integer, y may be zero or an integer and when b is zero, y is an integer; 
 the sum of x, y, z, a and b is an integer of from about 3 up to about 1 million, preferably up to about 300,000, more preferably up to about 250,000, most preferably up to about 200,000; and 
 the multiple monomeric units of MU1, MU2 and MU3 are randomly distributed or form blocks in Formula I and the multiple carboxylic acid monomeric units MUX and MU3X are randomly distributed among MU1, MU2 and MU3 units. 
 
     
     
         6 . A method according to  claim 1  wherein each of designators x, z and a are 10 to 100, each of designators y and b independently is 1 to 50, terminal MUE is MUX or MU3X and the polymer is an organosilicone block copolymer. 
     
     
         7 . A method according to  claim 1  wherein the linker comprises an organic polymer of Formula II, a polymer with in-chain carbodiimide groups or Formula X, a polymer with pendant single carbodiimide groups
   Z-(L-N═C═N—) p —Z   Formula II
 
   (Poly) q -(K) s -(Poly) r    Formula X
 
 wherein; 
 for Formula II, p is an integer of at least 2; and L is an organic linker group comprising saturated aliphatic divalent radical, an aromatic divalent radical or an alkylaromatic divalent radical or a polymer or oligomeric divalent radical with repeating olefinic, carbonate, ester, ether, amide, urethane or urea linkages; 
 For Formula X, each Poly is an organic polymer segment of amide or urea monomeric residue based upon a C3 to C6 alkane diamine and a C4-C10 alkane dicarboxylic acid or C4-C10 alkane diisocyanate, or an ester monomeric residue based upon a C3-C6 alkane diol and a C4-C10 alkane dicarboxylic acid and the designators q and r each being an integer of at least 2; K is a pendant carbodiimide group of Formula XI with s being an integer of at least 2 
 
       
         
           
           
               
               
           
         
         wherein R 20  is a C3 to C6 alkylenyl residue, R 21  is a C3-C6 alkylenyl residue; 
         For Formulas II and XI Z is a non-reactive or reactive terminal group of the polycarbodiimide; and, the multiple K's are randomly distributed along the Poly backbone. 
       
     
     
         8 . A method according to  claim 1  wherein the linker is Formula II, L is a residue of toluene, diphenylmethane, phenyl, dicyclohexyl methane, methyl-3,5,5,-trimethylcyclohexane, hexane, cyclohexane, norbornane. 
     
     
         9 . A method according to  claim 1  wherein the pretreatment composition comprises at least one organosilicone small molecule comprising at least one pendant and/or terminal alkoxysilyl group and no or at least one pendant and/or terminal organoamine group. 
     
     
         10 . A method according to  claim 1  wherein the small molecule of the pretreatment composition has Formula III
   [(H 2 N)—((CH 2 ) m —NH) o —(R 14 ) n )] a —[RO t Me 3-t Si—O] b —(—SiMe 2 -O) p —(—SiMeOR—O) q —[(—SiMe 2-r′ [(CH 2 ) m′ —NH 2 ] r —O] s -[A] c -[(—SiMeMe 2-v -O] u —SiMe 3-t OR t    Formula III
 
 wherein 
 R may be methyl or ethyl;
 R 14  is a C1-C6 alkylenyl group; 
 
 Designators m and m′ may be an integer of 1 to 3; 
 Designators o, n, b, r, s, c, u may be zero or 1; 
 Designator a may be zero, 1 or 2; 
 Designator v may be zero, 1 or 2 such that when a is 2, v is 2 and when a is 1, v is 1 and when a is zero, v is 1 or zero; 
 Designator t may be 1 to 3; 
 Designators p and q independently may be zero or an integer of 1 to 6; 
 Designator t may be zero or an integer 1-3; 
 Group A may be a divalent group including dithio, diazo, urethanyl, ureido, or C1-C6 alkylenyl connecting left and right sections of the small molecule, or Group A may be a terminal group including C1-C14 alkyl, C1X-C14X alkyl wherein X is N, S or O and X may be in-chain or terminal, C1-C6 alkoxy, C7-C14 arylalkyl, C6X-C14X heteroarylalkyl with X as N, S or O; C1-C6 alkylenyl(meth)acrylate or C1-C6 alkylureido. 
 
     
     
         11 . A method according to  claim 1  wherein the small molecule of the pretreatment composition is aminopropyl triethoxysilane (APTES), trimethoxysilyl propyldiethylene triamine (SCA), trimethoxylsilyl propoxy (meth)acrylate ester (MEMO), propyl triethoxysilane (PTEO), ureidotrimethoxysilane (UREIDO), phenylsilane (PHS), tetraethoxysilane (TEOS), propylenyl or butenyl bis(trimethoxysilane) or C2-C6 mercaptoalkyl trimethoxy or triethoxysilane. 
     
     
         12 . A method according to  claim 1  further comprising a pretreatment composition of an amine polymer, preferably polyethyleneimine instead of or in combination with a small molecule. 
     
     
         13 . A method according to  claim 1  further comprising priming and/or deep cleaning the keratin fibers by applying a Prepaeratur and/or a Fundamenta technique to the fibers, wherein the Prepaeratur and/or Fundamenta techniques comprise a Prepaeratur step of treating the keratin fibers with a substantially non-conditioning or a non-conditioning surfactant composition to produce primed keratin fibers; and a Fundamenta step of deep cleaning the surfaces of the keratin fibers to form deep cleaned keratin fibers. 
     
     
         14 . A method according to  claim 1  wherein the deep cleaning is accomplished by application of at least one of a cold plasma, phase transfer tenside, an oxidizing compound or a combination thereof to the surfaces of the keratin fibers whereby the deep cleaning at least partially removes F layer fatty acid, sebum and optionally adjusts the topography at the surfaces of the keratin fibers. 
     
     
         15 . A method according to  claim 1  wherein the composite film on keratin fibers is converted to a color coating by drying and curing.