Variable-focus optical device
    32.
    发明授权
    Variable-focus optical device 失效
    可变焦光学装置

    公开(公告)号:US4892396A

    公开(公告)日:1990-01-09

    申请号:US53676

    申请日:1987-05-26

    CPC分类号: G02B26/0825

    摘要: An variable-focus optical device capable of changing the focal length with excellent responsiveness and reproducibility during repetitive deformation, comprises: an elastomeric member having prescribed viscoelastic characteristics, and an aperture member having an aperture adapted for causing projection or sinking of the elastomeric member therethrough or thereat.

    摘要翻译: 能够在重复变形期间以优异的响应性和再现性改变焦距的可变焦距光学装置包括:具有规定粘弹特性的弹性体构件和具有适于使弹性体构件穿过其突出或下沉的孔的孔口构件, 那里

    Polymer of vinyl-biphenyl derivative adapted for optical use
    34.
    发明授权
    Polymer of vinyl-biphenyl derivative adapted for optical use 失效
    用于光学应用的乙烯基苯乙烯衍生物衍生物的聚合物

    公开(公告)号:US5082358A

    公开(公告)日:1992-01-21

    申请号:US371647

    申请日:1989-06-22

    IPC分类号: C08F12/32 G02B1/04

    CPC分类号: C08F12/32 G02B1/04

    摘要: A polymer of vinyl-biphenyl derivative comprising recurring units of the formula: ##STR1## wherein X is Cl or Br; a is an integer of 0-4; Y is --CH.sub.3, --OH, --OR, --SR, --SOR, --SO.sub.2 R, --SeR, --SeOR, --SeO.sub.2 R, --TeR, --TeOR, or --TeO.sub.2 R, wherein R is alkyl capable of having a substituent, aryl capable of having a substituent, or ##STR2## and Z is --CH.sub.2 --, --C(CH.sub.3).sub.2 --, --O--, --S--, --SO--, --SeO.sub.2 --, --Te--, --TeO--, or --TeO.sub.2 --; b and c are integers giving the sum of 1 to 5, and c is 1 or more. The polymer has a high refractive index and an excellent transparency. Further, the polymer can have a variable refractive index at a constant Abbe's number.

    摘要翻译: 包含下式的重复单元的乙烯基 - 联苯衍生物的聚合物:其中X是Cl或Br; a是0-4的整数; Y是-CH 3,-OH,-OR,-SR,-SOR,-SO 2 R,-SeR,-SeOR,-SeO 2 R,-TeR,-TeOR或-TeO 2 R,其中R是可以具有取代基的烷基, 可以具有取代基,或者Z是-CH 2 - , - C(CH 3)2 - , - O - , - S - , - SO-,-SeO 2 - ,-Te-,-TeO-或 -TeO2-; b和c是给出总和为1至5,c为1或更大的整数。 聚合物具有高折射率和优异的透明度。 此外,聚合物可以具有恒定阿贝数的可变折射率。

    Process for producing gel fiber
    35.
    发明授权
    Process for producing gel fiber 失效
    生产凝胶纤维的方法

    公开(公告)号:US5011644A

    公开(公告)日:1991-04-30

    申请号:US342665

    申请日:1989-04-24

    CPC分类号: D01D5/38 D01D5/00 D01F11/00

    摘要: A process for producing a gel fiber comprises a step (N) of spinning a solution containing at least one polymer having at least one monomer unit as a constituent component for a gel to solidify the solution into a fiber, and step (M) of effecting crosslinking of the fiber to form a gel which can be swelled or shrunk reversibly by a thermal action in the presence of a liquid.

    摘要翻译: 制造凝胶纤维的方法包括将包含至少一种具有至少一个单体单元的聚合物的溶液作为凝胶的构成成分进行纺丝的步骤(N),以将溶液固化成纤维,以及步骤(M) 纤维的交联以形成凝胶,其可以通过在液体存在下的热作用而可逆地膨胀或收缩。