Polymerizable thioacrylate compositions and optical lenses with a high refractive index obtained from said compositions
    2.
    发明授权
    Polymerizable thioacrylate compositions and optical lenses with a high refractive index obtained from said compositions 有权
    可聚合的硫代丙烯酸酯组合物和从所述组合物获得的具有高折射率的光学透镜

    公开(公告)号:US06635730B1

    公开(公告)日:2003-10-21

    申请号:US09481734

    申请日:2000-01-11

    IPC分类号: C08F22020

    摘要: The invention concerns novel polymerisable compositions and optical lenses with high refractive index obtained from said compositions, characterized in that they comprise as constituents base copolymerisable monomers at least 85 wt. % of the total weight of copolymerisable monomers present in the composition: of a mixture M, for 100 parts by weight of the mixture; of (A) 20 to 80 parts of one or several, preferably only one, non-aromatic compounds (I) comprising two thio(meth)acrylate functions, and (B) 80 to 20 parts of a compound of formula (I) in which R1 and R2 represent, independently of each other, H or CH3 and m+n has a mean value from 0 to 20 inclusively; and 3 to 30% by weight relative to the weight of mixture M of a polythiol; the composition containing less than 5 wt. % of other aromatic thio(meth)acrylate copolymerisable, cyclanic or vinyl aromatic mono(meth)acrylate monomers. The invention is applicable to the manufacture of spectacle lenses.

    摘要翻译: 本发明涉及从所述组合物获得的新型可聚合组合物和具有高折射率的光学透镜,其特征在于它们包含至少85重量%的基质可共聚单体。 存在于组合物中的可共聚单体的总重量的%:混合物M,对于100重量份的混合物; 的(A)20至80份一种或几种,优选仅一种包含两种硫代(甲基)丙烯酸酯官能团的非芳族化合物(I),和(B)80至20份式(I)化合物在 其中R 1和R 2彼此独立地表示H或CH 3,并且m + n具有0至20的平均值; 和3至30重量%,相对于多硫醇的混合物M的重量; 该组合物含有小于5wt。 %的其它芳族硫代(甲基)丙烯酸酯可共聚的,环状或乙烯基芳族单(甲基)丙烯酸酯单体。 本发明适用于眼镜镜片的制造。

    High refractive index optical resin composition
    3.
    发明授权
    High refractive index optical resin composition 失效
    高折射率光学树脂组合物

    公开(公告)号:US06342571B1

    公开(公告)日:2002-01-29

    申请号:US09377805

    申请日:1999-08-20

    IPC分类号: C08F22020

    CPC分类号: C08F222/24

    摘要: Polymerizable compositions comprising: (a) a mixture of thio(meth)acrylate functional monomers comprising, (a)(i) a first thio(meth)acrylate functional monomer, e.g., bis(thiomethacrylate)-1,2-ethylene, and (a)(ii) a second thio(meth)acrylate functional monomer, which is chain extended; (b) an aromatic monomer having at least two vinyl groups, e.g., divinyl benzene; (c) a polythiol monomer having at least two thiol groups, e.g., pentaerythritol tetrakis(3-mercaptopropionate); and (d) a comonomer selected from, (d)(i) an anhydride monomer having at least one ethylenically unsaturated group, e.g., methacrylic anhydride; (d) (ii) a monomer having at least three (meth)acryloyl groups, e.g., pentaerythritol tetrakis(acrylate); and (d)(iii) mixtures of monomers (d)(i) and (d)(ii). A polymerizate of the polymerizable composition has a refractive index of at least 1.57 and an Abbe number of at least 33.

    摘要翻译: 可聚合组合物包括:(a)硫代(甲基)丙烯酸酯官能单体的混合物,其包含(a)(i)第一硫代(甲基)丙烯酸酯官能单体,例如双(硫代甲基丙烯酸酯)-1,2-亚乙基和( a)(ii)链延伸的第二硫代(甲基)丙烯酸酯官能单体; (b)具有至少两个乙烯基的芳族单体,例如二乙烯基苯; (c)具有至少两个硫醇基的多硫醇单体,例如季戊四醇四(3-巯基丙酸酯); 和(d)选自(d)(i)具有至少一个烯属不饱和基团的酸酐单体的共聚单体,例如甲基丙烯酸酐; (d)(ii)具有至少三个(甲基)丙烯酰基的单体,例如季戊四醇四(丙烯酸酯); 和(d)(iii)单体(d)(i)和(d)(ii)的混合物。 聚合性组合物的聚合物的折射率为至少1.57,阿贝数为33以上。