| 摘要 |
The invention relates to a hydrogel which is a copolymer formed from a polymerizable monomer mixture which contains a) 10-65 mol % of at least one hydrophobic vinyl monomer of the formula I in which R1 is hydrogen or methyl, p is an integer from 1 to 8, whose hydroxyl groups are present in protected form, b) 25-70 mol % of at least one silicone-containing (meth)acrylate, vinyl carbonate or vinyl carbamate monomer, c) 0-25 mol % of at least one hydrophilic vinyl monomer and d) 0-10 mol % of at least one crosslinker, based on the total amount of monomers a) to c), and where the hydroxyl groups of the segments formed by the monomers a) in the hydrogel are present in protected form or in free form. The hydrogel can be used to produce contact lenses or intraocular lenses.
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