A polymeric composition useful for forming biomedical devices, especially contact lenses, is formed by polymerizing a mixture comprising: (a) a compound represented by the general formula: CHEM where R1 and R2 independently denote a hydrogen atom or an alkyl radical with one to six carbon atoms, and R3 and R4 independently denote alkyl radicals with one to six carbon atoms or a cycloalkyl radical with 5 or 6 carbon atoms; and (b) an acrylate or methacrylate-functional polysiloxane monomer. p
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机译：通过形成如下混合物的混合物来形成可用于形成生物医学装置，特别是隐形眼镜的聚合物组合物，所述混合物包含：（a）由通式：表示的化合物，其中R 1和R 2独立地表示氢原子R 3和R 4独立地表示碳数为1至6的烷基或碳数为5或6的环烷基。 （b）丙烯酸酯或甲基丙烯酸酯官能的聚硅氧烷单体。 p
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