POLYMER COMPOSITION FOR PROLONGED-USE SOFT CONTACT LENSES AND A METHOD FOR PREPARATION THEREOF Russian patent published in 2006 - IPC C08L83/07 C08L39/06 G02C7/04 

Abstract RU 2269552 C1

FIELD: polymer materials.

SUBSTANCE: composition represents biphasic silicone-hydrogel material in the form of in series arranged interpenetrating lattices consisting of cross-linked (i) polysiloxane, which is reaction product of vinyl-containing component including oligosiloxane/polysiloxane mixture and hydride-containing component, which is oligomer, and (ii) hydrophilic polymer, which is cross-linked (co)polymer of N-vinylpyrrolidone, 2-hydroxyethyl methacrylate, acrylamide, and dimethylacrylamide.

EFFECT: improved performance characteristics of polymer composition and simplified method for preparation thereof.

2 tbl, 11 ex

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RU 2 269 552 C1

Authors

Vlasova Natal'Ja Leonidovna

Grigorjan Galina Viktorovna

Danilichev Vladimir Fedorovich

Ivanchev Sergej Stepanovich

Kaganova Elena Viktorovna

Novikov Sergej Aleksandrovich

Pavljuchenko Valerij Nikolaevich

Sofronov Genrikh Aleksandrovich

Ushakov Nikolaj Andreevich

Chekina Natal'Ja Alekseevna

Dates

2006-02-10Published

2004-12-23Filed