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27 条记录 (耗时 0.029 秒)

    LOW BIREFRINGENT THERMOPLASTIC LENSES AND COMPOSITIONS USEFUL IN PREPARING SUCH LENSES
    1.
    发明申请
    LOW BIREFRINGENT THERMOPLASTIC LENSES AND COMPOSITIONS USEFUL IN PREPARING SUCH LENSES 审中-公开
    低双重热塑性镜片和组合物可用于制作这些镜片

    公开(公告)号：US20100271702A1

    公开(公告)日：2010-10-28

    申请号：US12810030

    申请日：2008-09-18

    申请人： Weijun Zhou ,  Stephen F. Hahn ,  Charles F. Diehl ,  Kurt A. Koppi

    发明人： Weijun Zhou ,  Stephen F. Hahn ,  Charles F. Diehl ,  Kurt A. Koppi

    IPC分类号： G02B1/11 ,  C08F236/10 ,  B29D11/00

    CPC分类号： C08F297/04 ,  C08F8/50 ,  C08F2800/20 ,  C08L53/025 ,  G02B1/041 ,  C08L2666/02 ,  C08F297/046

    摘要： A lens-forming thermoplastic composition of matter has a crystallinity, as determined in accord with differential scanning calorimetry of from 0 percent to less than 1 percent when the composition comprises a hydrogenated vinyl aromatic/isoprene block copolymer or a crystallinity, as determined in accord with differential scanning calorimetry of from more than 0 percent to less than 1 percent when the composition comprises a hydrogenated vinyl aromatic/butadiene block copolymer. The composition has a birefringence, measured at a wavelength of 633 nanometers, within a range of from 0 to less than 6×10. Molding a melt of these compositions occurs at temperatures within a range from the hydrogenated block copolymer's glass transition minus 20° C. to the glass transition temperature minus 90° C. The compositions suitably form lenses such as an optical pick-up lens, which may be aspherical or have at least one of an irregular surface configuration, a non-uniform thickness or an irregular and non-uniform cross-section.

    摘要翻译： 当组合物包含氢化乙烯基芳族化合物/异戊二烯嵌段共聚物或结晶度时，物质的透镜形成热塑性组合物具有结晶度，其根据差示扫描量热法测定为0％至小于1％，如根据 当组合物包含氢化乙烯基芳族化合物/丁二烯嵌段共聚物时，差示扫描量热法为大于0％至小于1％。 该组合物在波长为633纳米的范围内具有在0至小于6×10的范围内的双折射率。 成型这些组合物的熔体发生在从氢化嵌段共聚物的玻璃化转变为-20℃到玻璃化转变温度-90℃的范围内的温度下。组合物适当地形成诸如光学拾取透镜的透镜，其可以是 是非球面的或具有不规则表面构型，不均匀厚度或不规则和不均匀横截面中的至少一个。

    OPTICAL COMPENSATION FILM
    3.
    发明申请
    OPTICAL COMPENSATION FILM 审中-公开
    光学补偿膜

    公开(公告)号：US20100290117A1

    公开(公告)日：2010-11-18

    申请号：US12742955

    申请日：2008-09-17

    申请人： Charles F. Diehl ,  Stephen F. Hahn ,  Weijun Zhou

    发明人： Charles F. Diehl ,  Stephen F. Hahn ,  Weijun Zhou

    IPC分类号： G02B5/30 ,  G02B1/08

    CPC分类号： G02B5/3083

    摘要： Optically clear polymeric films, especially films fabricated from a hydrogenated vinyl aromatic block copolymer, that have a birefringence of from 0.001 to 0.05 and a retardation of from 25 nanometers to 500 nanometers, either as fabricated or as oriented post fabrication, function as, for example, optical compensation films or a layer in a multilayer film as an optical compensator for a display.

    摘要翻译： 光学透明聚合物膜，特别是由氢化乙烯基芳族嵌段共聚物制成的膜，其双折射率为0.001至0.05，延迟为25纳米至500纳米，无论是制造的还是定向后制造，具有例如 ，光学补偿膜或作为显示器的光学补偿器的多层膜中的层。

    Bulk light diffuser composition
    5.
    发明授权
    Bulk light diffuser composition 有权
    散光装置组成

    公开(公告)号：US07980734B2

    公开(公告)日：2011-07-19

    申请号：US12442857

    申请日：2007-09-14

    申请人： Stephen F. Hahn ,  Kenneth W. Williams ,  Phillip L. Wing ,  Weijun Zhou

    发明人： Stephen F. Hahn ,  Kenneth W. Williams ,  Phillip L. Wing ,  Weijun Zhou

    IPC分类号： G02B5/02 ,  C08L53/02

    CPC分类号： C09D153/025 ,  C08L53/025 ,  Y10T428/1036 ,  C08L2666/04 ,  C08L2666/02

    摘要： The present invention is a bulk light diffuser material based upon a hydrogenated block copolymer, but including a particulate light diffusing component. The material may be in the form of a film, a sheet or a molded article. When present as a sheet having a thickness of 2 millimeters, the sheet has a percent total transmittance of at least 50% and a haze of at least 70%, measured according to the American Society for Testing and Materials (ASTM) standard D 1003.

    摘要翻译： 本发明是一种基于氢化嵌段共聚物，但包含颗粒状光扩散组分的散光漫射材料。 该材料可以是膜，片或模制品的形式。 当作为厚度为2毫米的片材存在时，根据美国测试和材料协会（ASTM）标准D 1003测量，片材具有至少50％的百分比透光率和至少70％的雾度。

    POLYURETHANE COMPOSITIONS HAVING IMPROVED IMPACT RESISTANCE AND OPTICAL PROPERTIES
    10.
    发明申请
    POLYURETHANE COMPOSITIONS HAVING IMPROVED IMPACT RESISTANCE AND OPTICAL PROPERTIES 审中-公开
    具有改善的耐冲击性和光学性能的聚氨酯组合物

    公开(公告)号：US20130012664A1

    公开(公告)日：2013-01-10

    申请号：US13582005

    申请日：2011-03-10

    申请人： Rui Xie ,  Dana Breed ,  Patricia Ansems ,  Weijun Zhou ,  Debkumar Bhattacharjee ,  John N. Argyropoulos

    发明人： Rui Xie ,  Dana Breed ,  Patricia Ansems ,  Weijun Zhou ,  Debkumar Bhattacharjee ,  John N. Argyropoulos

    IPC分类号： C08G18/83 ,  C08G18/12

    CPC分类号： C08G18/757 ,  C08G18/12 ,  C08G18/664 ,  C08G18/6674 ,  C08G18/3225

    摘要： A thermoset polyurethane composition having excellent impact and optical properties is prepared from a formulation comprising at least a prepolymer and a chain extender. The prepolymer includes an isocyanate component, containing 1,3-bis(isocyanatomethyl)cyclohexane and at least (20) percent by weight of 1,4-bis(isocyanatomethyl)cyclohexane, and an isocyanate-reactive component, containing hydroxyl, amine or thiol functionality. The isocyanate-reactive component includes from (70) to (95) percent by weight of a compound having a molecular weight from 150 to less than 950 Daltons, and from (5) to (30) percent by weight of a compound having a molecular weight from 2,000 to 4,500 Daltons. The chain extender is an aromatic, aliphatic, or cycloaliphatic polyamine compound containing at least one hydroxyl and/or thiol group. Articles that may be prepared include ophthalmic lenses, vehicle glazings, aircraft canopies, and the like.

    摘要翻译： 由至少包含预聚物和扩链剂的制剂制备具有优异冲击性和光学性能的热固性聚氨酯组合物。 预聚物包括含有1,3-双（异氰酸根合甲基）环己烷和至少（20）重量％的1,4-双（异氰酸甲酯基）环己烷的异氰酸酯组分和含有羟基，胺或硫醇的异氰酸酯反应性组分 功能。 异氰酸酯反应性组分包括（70） - （95）重量％的分子量为150至小于950道尔顿的化合物和（5） - （30）重量％的具有分子量 重量从2,000到4,500道尔顿。 扩链剂是含有至少一个羟基和/或硫醇基团的芳族，脂族或脂环族多胺化合物。 可以制备的制品包括眼镜，车辆玻璃，飞机檐篷等。