SILICONE COMPOUND, A PROCESS FOR THE PREPARATION THEREOF AND A PROCESS FOR THE PREPARATION OF AN OPHTHALMIC DEVICE THEREFROM
申请人:Ichinohe Shoji
公开号:US20090299022A1
公开(公告)日:2009-12-03
The present invention provides a hydrophilic silicone which has a predetermined number of silicon atoms and a high purity and is suitable for producing an ophthalmic device and a process for preparing the same.
The silicone compound is represented by formula (1) with a purity of 95% by weight or higher,
wherein m is one value out of the integers of from 3 to 10, n is one value out of the integers of from 1 to 10, R
1
is one out of alkyl groups having 1 to 4 carbon atoms, and R
2
is one out of a hydrogen atom and a methyl group.