Alkyl substituted siloxanes and alkyl substituted polyether fluids
AssigneeDow Corning Corporation
InventorsVicky Sue Cobb, Gary Edward LeGrow
Life of this patent
Estimating the term…
Abstract
New alkyl substituted siloxanes and alkyl substituted polyether fluids are prepared by reacting an unsaturated alkyl, a aralkyl or ether with alkylhydrido siloxanes such as (i) comonomers RSi(OSiMe.sub.2 H).sub.3, (ii) oligomers (HMe.sub.2 SiO).sub.2 --Si(R)--O--Si(R)--(OSiMe.sub.2 H).sub.2, and (iii) higher molecular weight siloxane species RSi(OSiMe.sub.2).sub.x OSiMe.sub.2 H!.sub.3 and HMe.sub.2 SiO(Me.sub.2 SiO).sub.x !.sub.2 Si(R)O(R)Si(OSiMe.sub.2).sub.x OSiMe.sub.2 H!.sub.2. R is a C.sub.2 to C.sub.18 straight-chain or branched-chain alkyl substituent.
Claims7
Compounds selected from the group consisting of RSi(OSiMe.sub.2 Q).sub.3, (QMe.sub.2 SiO).sub.2 --Si(R)--O--Si(R)--(OSiMe.sub.2 Q).sub.2, RSi(OSiMe.sub.2).sub.x OSiMe.sub.2 Q!.sub.3 and QMe.sub.2 SiO(Me.sub.2 SiO).sub.x !.sub.2 Si(R)--O(R)Si(OSiMe.sub.2).sub.x OSiMe.sub.2 Q!.sub.2, wherein Me is methyl;
- R is a C.sub.2 to C.sub.18 straight-chain or branched-chain alkyl substituent;
- x has a value of 1-200;
- and Q is independently the same or different alkyl of at least two carbon atoms, aralkyl or polyether group, with the proviso that at least one Q is an alkyl of at least two carbon atoms or aralkyl group.
Dependencies are inferred from the claim text.