Patent ID: 6805712
Filing Date: 2004-10-19
Classification: A61L,C08G,G02B

Abstract:
A dialkoxydialkyl silane, wherein the R2 groups may be the same or different C1-10 alkyl substituents and R4 is selected from the group consisting of methyl and ethyl, copolymerized with a dialkoxydiaromatic substituted silane and a 1,3-bisvinyl tetraalkyldisiloxane, to produce polysiloxane prepolymers, of increased homogeneity, wherein the R1 groups may be the same or different selected from the group consisting of C1-10 alkyl substituents and C6-30 aromatic substituents; the R2 groups may be the same or different C1-10 alkyl substituents; the R3 groups may be the same or different C6-30 aromatic substituents; and x and y may be the same or different natural number with x/x+y at least equal to 0.5.