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    • 7. 发明授权
    • Composition for forming a contact lens
    • 用于形成隐形眼镜的组合物
    • US08618187B2
    • 2013-12-31
    • US13433329
    • 2012-03-29
    • Bernhard SeiferlingThomas SchmidtJürgen Vogt
    • Bernhard SeiferlingThomas SchmidtJürgen Vogt
    • G02B1/04C08F20/56C09K3/00C08F2/50
    • G02B1/043C08F20/56C08L101/14C08L33/26C08L33/10C08L83/04
    • There is described a composition for forming an contact lens, in particular for forming a silicone hydrogel contact lens, comprising at least one first vinylic monomer or macromer having one first ethylenically unsaturated group and at least one second vinylic monomer or macromer having one second ethylenically unsaturated group, wherein the first and second ethylenically unsaturated groups are different from each other and wherein the composition further comprises a crosslinker with at least two ethylenically unsaturated (polymerizable) groups with a selected kinetic copolymerization parameter r1 of less than 1.0 relative to one of the first and second ethylenically unsaturated (polymerizable) groups as defined above.
    • 描述了用于形成隐形眼镜的组合物,特别是用于形成硅氧水凝胶隐形眼镜的组合物,其包含至少一种具有一个第一烯属不饱和基团的至少一种第一乙烯基单体或大分子单体和至少一种具有一个第二烯属不饱和基团的第二乙烯基单体或大分子单体 基团,其中所述第一和第二烯属不饱和基团彼此不同,并且其中所述组合物还包含具有至少两个烯键式不饱和(可聚合)基团的交联剂,其中选择的动力学共聚参数r1相对于所述第一 和第二烯属不饱和(可聚合)基团。