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    Plastic articles for medical use
    31.
    发明授权
    Plastic articles for medical use 失效
    医疗用塑料制品

    公开(公告)号：US5994488A

    公开(公告)日：1999-11-30

    申请号：US985722

    申请日：1997-12-05

    申请人： Mitsuru Yokota ,  Nobuo Saito

    发明人： Mitsuru Yokota ,  Nobuo Saito

    IPC分类号： C08F30/08 ,  G02B1/04

    CPC分类号： G02B1/043 ,  C08F30/08

    摘要： Plastic articles for medical use comprising a polymer, which polymer comprising units derived from an ethylenically unsaturated monomer having a chain containing amino and organosiloxane groups, wherein the monomer is represented by the following general formula: ##STR1## (where X is an ethylenically unsaturated polymerizable group; each R.sup.1 is, independently, selected from a hydrogen atom, unsubstituted and substituted alyl groups, unsubstituted and substituted aryl groups and the groups (CH.sub.2).sub.r COOR.sup.3 and (CH.sub.2).sub.r ONR.sup.4 R.sup.5 ; each of m, n and p, independently, is selected from 0 and 1; each of q and r, independently, is any of zero and 1 to 10; and R.sup.2 is a substituent group containing an organosiloxane group, each of R.sup.3, R.sup.4 and R.sup.5, independently, is a group of R.sup.1 or is a group having a heterocyclic group, or R.sup.4 and R.sup.5, together with the nitrogen atom to which they are attached form a heterocyclic group which may additionally contain any of oxygen, nitrogen, sulfur and silicon)and further the general formula (1) satisfies one of the following features (i) to (iii),(i) n=1(ii) m and n are zero, and p is 1(iii) m, n and p are zero, and R.sup.1 is other than hydrogen or methyl.

    摘要翻译： 用于医疗用途的塑料制品包括聚合物，该聚合物包含衍生自具有含氨基和有机硅氧烷基团的链的烯属不饱和单体的单元，其中所述单体由以下通式表示：（其中X为烯键式不饱和可聚合基团;各自为 R 1独立地选自氢原子，未取代和取代的烯基，未取代和取代的芳基和基团（CH 2）r COOR 3和（CH 2）rONR 4 R 5; m，n和p各自独立地选自0和 1，q和r各自独立地为0〜1〜10，R2为含有机硅氧烷基的取代基，R3，R4，R5各自独立地为R1或为具有 杂环基或R4和R5与它们所连接的氮原子一起形成可以另外含有氧，氮，硫和硅中的任何一个的杂环基），并且进一步的通式 rmula（1）满足以下特征之一（i）至（iii），（i）n = 1（ii）m和n为零，p为1（iii）m，n和p为零，R1 不是氢或甲基。

    Maleimide polymers and contact lenses from such polymers
    32.
    发明授权
    Maleimide polymers and contact lenses from such polymers 失效
    来自这些聚合物的马来酰亚胺聚合物和隐形眼镜

    公开(公告)号：US5393803A

    公开(公告)日：1995-02-28

    申请号：US30609

    申请日：1993-03-12

    申请人： Teiji Kawano ,  Mitsuru Yokota

    发明人： Teiji Kawano ,  Mitsuru Yokota

    IPC分类号： C08F22/40 ,  C08F22/36 ,  C08F222/40 ,  C08F230/08 ,  C08F246/00 ,  G02B1/04 ,  G02C7/04 ,  C08J3/00

    CPC分类号： G02B1/043 ,  C08F222/40 ,  C08F230/08

    摘要： A maleimide polymer comprises units derived from a maleimide derivative represented by the following general formula (I): ##STR1## where R.sup.1 is a hydrogen atom or a methyl group, and R.sup.2 is an alkyl, alkenyl or aryl group, each of which groups is substituted by at least one organosiloxane group or fluorine atom, or comprises a copolymer of (1) a maleimide derivative represented by the formula (I) but in which R.sup.2 may be hydrogen or any optionally substituted aliphatic hydrocarbon or aryl group with (2) an alkyl or fluoroalkyl methacrylate or an organosiloxy styrene- or organosiloxy-(meth)acrylic acid derivative.The polymer material may be formulated into contact lenses high in oxygen permeability and having good mechanical properties.

    摘要翻译： 马来酰亚胺聚合物包含衍生自由以下通式（I）表示的马来酰亚胺衍生物的单元：其中R 1是氢原子或甲基，R 2是烷基，烯基或芳基， 该基团被至少一个有机硅氧烷基团或氟原子取代，或者包含（1）由式（I）表示的马来酰亚胺衍生物，其中R 2可以是氢或任何取代的脂族烃基或芳基与 2）甲基丙烯酸烷基酯或氟代烷基酯或有机甲硅烷氧基苯乙烯或有机甲硅烷氧基 - （甲基）丙烯酸衍生物。 聚合物材料可配制成高透氧性和良好机械性能的隐形眼镜。