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|1. (WO2013120974) POLYSILOXANE BASED BLOCK COPOLYMERS|
|Applicants:||DSM IP ASSETS B.V.
|Title:||POLYSILOXANE BASED BLOCK COPOLYMERS|
The invention is directed to polysiloxane based block copolymers that comprise siloxane untis and units derived from diol compounds comprising at least one pendant oligomeric or polymeric group. The block copolymers according to the invention surprisingly allows any glassware used during its preparation to be washed cleaned with water. The block copolymer can be used in ophthalmic lenses, and may be useful in providing contact lens formulations which are water processable.