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.
本发明提供了一种适用于生产眼科设备的高纯度、具有预定
硅原子数的亲
水性
硅氧烷及其制备方法。该
硅氧烷化合物由式(1)表示,其纯度为95%以上,其中m为3至10之间的整数之一,n为1至10之间的整数之一,R1为1至4个碳原子的烷基之一,R2为氢原子和甲基基团之一。