Patent ID: 6887949

Claim:
A composition comprising the hydrosilylation reaction product of: compound A+Î±(M Î± M Vi Î² D Î³ D Vi Î´ T Ï† T Vi Î» ) where the subscripts Î±, Î², Î³, Î´, Ï†, and Î» are zero or positive and Î²+Î´+Î»â‰§2, and the stoichiometric coefficient Î± has a value of such that ((Î²+Î´+Î»)/((b+d+f)âˆ’(g+h+i)âˆ’(k+m+o))) is 0.01 to 10 where Compound A is the reaction product of: Mâ€² g M a M H bâˆ’g D c Dâ€² h D H dâˆ’h T e Tâ€² i T H fâˆ’i and ((M j M Vi k D l D Vi m T n T Vi o ) p Q) q , in the presence of a noble metal hydrosilylation catalyst where the subscripts a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, are zero or positive and q is non-zero and positive, for mixtures of compounds the average values of each of the subscripts will most likely be non-integral, for specific compounds the subscripts will be integral, with k+m+o<b+d+fâˆ’gâˆ’hâˆ’i, p ranges from 0.4 to 4.0 and q ranges from 1 to 200, the ratio (b+d+fâˆ’gâˆ’hâˆ’i)/(((k+m+o)p)q) ranges from 50.0 to 0.01 and where the compounds: Mâ€² g M a M H bâˆ’g D c Dâ€² h D H dâˆ’h T e Tâ€² i T H fâˆ’i is the hydrosilylation product of the following reaction: M a M H b D c D H d T e T H f +Î²CH 2 â•CHR 1 â†’Mâ€² g M a M H bâˆ’g D c Dâ€² h D H dâˆ’h T e Tâ€² i T H fâˆ’i where the stoichiometric coefficient Î² satisfies the following relationship: Î²+1â‰¦b+d+f and b+d+fâˆ’gâˆ’hâˆ’i>0 with 1.5â‰¦b+d+fâ‰¦100; 2â‰¦a+bâ‰¦12; 0â‰¦c+dâ‰¦1000; 0â‰¦e+fâ‰¦10 and R 1 is a monovalent radical selected from the group consisting of halogens, hydrogen, C1 to C60 monovalent hydrocarbon radicals, C1 to C60 monovalent polyester radicals, C1 to C60 monovalent nitrile radicals, C1 to C60 monovalent alkyl halide radicals and C1 to C60 monovalent polyether radicals and mixtures thereof; with M=R 2 R 3 R 4 SiO 1/2 ; M H =HR 5 R 6 SiO 1/2 ; M Vi =R Vi R 5 R 6 SiO 1/2 ; D=R 7 R 8 SiO 2/2 ; D H =HR 9 SiO 2/2 ; D Vi =R Vi R 10 SiO 2/2 ; T=R 11 SiO 3/2 ; T H =HSiO 3/2 ; T Vi =R Vi SiO 3/2 ; Q=SiO 4/2 ; Mâ€²=(CH 2 CH 2 R 1 )R 5 R 6 SiO 1/2 ; Dâ€²=(CH 2 CH 2 R 1 )R 9 SiO 2/2 ; and Tâ€²=(CH 2 CH 2 R 1 )SiO 3/2 with each R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , and R 11 independently selected for each molecular species from the group of C1 to C60 monovalent hydrocarbon radicals and each R Vi independently selected from the group of C2 to C60 monovalent alkenyl hydrocarbon radicals wherein said composition comprises a star branched siloxane compound.