Patent ID: 7947798

Claim:
An asymmetric siloxane, comprising: asymmetric MD x M′ where M= R 1 R 2 R 3 SiO 1/2 and M′ =R 4 R 5 R 6 SiO 1/2 ; wherein D=(R) 2 SiO, R is a hydrocarbon radical and x is an integer 0≦×≦10; each of R 1 , R 2 , R 4 and R 5 is a same or different hydrocarbon radical, alkoxy radical or alkenyloxy radical and at least one of R 1 , R 2 , R 4 and R 5 is a C 1 to C 12 alkoxy radical and each of R 3 and R 6 is a same or different polyalkylene oxide moiety of 2 to 10 carbon atoms.