Silicone-containing prepolymers with dangling hydrophilic...

Details Silicone-containing prepolymers with dangling hydrophilic... Silicone-containing prepolymers with dangling hydrophilic...

G - Physics

02

B

G02B 1/04 (2006.01) A61L 27/26 (2006.01) C08F 283/12 (2006.01) C08G 77/06 (2006.01)

Patent

CA 2680524

The invention provide a new class of silicone-containing prepolymers containing dangling hydrophilic polymer chains. This class of silicone-containing prepolymer is capable of being actinically crosslinked to form a silicone hydrogel material with a hydrophilic surface without post curing surface treatment. The present invention is also related to silicone hydrogel contact lenses made from this class of silicone-containing prepolymers and to methods for making the silicone hydrogel contact lenses.

L'invention concerne une nouvelle classe de prépolymères contenant de la silicone contenant des chaînes polymères hydrophiles pendillantes. Cette classe de prépolymère contenant de la silicone peut être réticulée actiniquement pour former un matériau hydrogel de silicone avec une surface hydrophile sans traitement de surface post-vulcanisation. La présente invention concerne également des lentilles de contact à hydrogel de silicone préparées à partir de cette classe de prépolymères contenant de la silicone et des procédés de préparation de lentilles de contact à hydrogel de silicone.

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