Stabilization of photochromic systems
    3.
    发明申请
    Stabilization of photochromic systems 审中-公开
    光致变色系统的稳定化

    公开(公告)号:US20070064195A1

    公开(公告)日:2007-03-22

    申请号:US10572154

    申请日:2004-09-20

    CPC分类号: C08K5/3492

    摘要: Photochromic compositions are disclosed comprising a polymeric material, a photochromic dye, a hydroxyphenyl triazine UV absorber and, optionally, a further light stabilizer selected from the sterically hindered amines. These systems provide a reversible photochromic effect and show improved light stabilization and color fastness.

    摘要翻译: 公开的光致变色组合物包含聚合物材料,光致变色染料,羟基苯基三嗪UV吸收剂和任选的另外的选自空间位阻胺的光稳定剂。 这些系统提供可逆的光致变色作用并显示改善的光稳定性和色牢度。

    Stabilization of photochromic systems
    5.
    发明授权
    Stabilization of photochromic systems 有权
    光致变色系统的稳定化

    公开(公告)号:US08262945B2

    公开(公告)日:2012-09-11

    申请号:US12508641

    申请日:2009-07-24

    IPC分类号: G02B5/23 G02C5/08 C07D251/00

    CPC分类号: C08K5/3492

    摘要: Photochromic compositions are disclosed comprising a polymeric material, a photochromic dye, a hydroxyphenyl triazine UV absorber and, optionally, a further light stabilizer selected from the sterically hindered amines. These systems provide a reversible photochromic effect and show improved light stabilization and color fastness.

    摘要翻译: 公开的光致变色组合物包含聚合物材料,光致变色染料,羟基苯基三嗪UV吸收剂和任选的另外的选自空间位阻胺的光稳定剂。 这些系统提供可逆的光致变色作用并显示改善的光稳定性和色牢度。

    Nano structured UV absorbers
    6.
    发明授权
    Nano structured UV absorbers 有权
    纳米结构紫外线吸收剂

    公开(公告)号:US09150701B2

    公开(公告)日:2015-10-06

    申请号:US12747194

    申请日:2008-12-12

    摘要: The present invention relates to an UV absorbing polymer composition comprising effective amounts of (a1) a nanoparticulate oxide selected from oxides of the groups 4 and 12 of the periodic table, wherein the oxide is doped with In, Ga and/or Al, and (b1) a UV stabilizing/absorbing substance comprising a sterically hindered amine and/or a polymeric hydroxyphenyltriazine; or (a2) a nanoparticulate oxide selected from oxides of the groups 4 and 12, and (b2) a UV light stabilizing substance comprising a N-oxygen-substituted sterically hindered amine. Furthermore, the present invention relates to a polymer comprising said composition and the use of said composition as a UV absorber in polymers, particularly in agricultural films or packaging films. Finally, the present invention relates to a process for producing doped nanoparticulate metal oxides.

    摘要翻译: 本发明涉及一种UV吸收聚合物组合物,其包含有效量的(a1)选自元素周期表第4和12族的氧化物的纳米颗粒氧化物,其中该氧化物掺杂有In,Ga和/或Al,和( b1)包含空间位阻胺和/或聚合羟基苯基三嗪的UV稳定/吸收物质; 或(a2)选自组4和12的氧化物的纳米颗粒氧化物,和(b2)包含N-氧取代的空间位阻胺的UV光稳定物质。 此外,本发明涉及包含所述组合物的聚合物和所述组合物作为聚合物中的UV吸收剂的用途,特别是在农业膜或包装膜中。 最后,本发明涉及一种制备掺杂的纳米颗粒金属氧化物的方法。

    NANO STRUCTURED UV ABSORBERS
    7.
    发明申请
    NANO STRUCTURED UV ABSORBERS 有权
    纳米结构紫外线吸收剂

    公开(公告)号:US20110015297A1

    公开(公告)日:2011-01-20

    申请号:US12747194

    申请日:2008-12-12

    IPC分类号: C08K5/3492 C08K5/17 F21V9/06

    摘要: The present invention relates to an UV absorbing polymer composition comprising effective amounts of (a1) a nanoparticulate oxide selected from oxides of the groups 4 and 12 of the periodic table, wherein the oxide is doped with In, Ga and/or Al, and (b1) a UV stabilizing/absorbing substance comprising a sterically hindered amine and/or a polymeric hydroxyphenyl-triazine; or (a2) a nanoparticulate oxide selected from oxides of the groups 4 and 12, and (b2) a UV light stabilizing substance comprising a N-oxygen-substituted sterically hindered amine. Furthermore, the present invention relates to a polymer comprising said composition and the use of said composition as a UV absorber in polymers, particularly in agricultural films or packaging films. Finally, the present invention relates to a process for producing doped nanoparticulate metal oxides.

    摘要翻译: 本发明涉及一种UV吸收聚合物组合物,其包含有效量的(a1)选自元素周期表第4和12族的氧化物的纳米颗粒氧化物,其中该氧化物掺杂有In,Ga和/或Al,和( b1)包含空间位阻胺和/或聚合羟基苯基 - 三嗪的UV稳定/吸收物质; 或(a2)选自组4和12的氧化物的纳米颗粒氧化物,和(b2)包含N-氧取代的空间位阻胺的UV光稳定物质。 此外,本发明涉及包含所述组合物的聚合物和所述组合物作为聚合物中的UV吸收剂的用途,特别是在农业膜或包装膜中。 最后,本发明涉及一种制备掺杂的纳米颗粒金属氧化物的方法。

    POLYOLEFIN COMPOSITION
    8.
    发明申请
    POLYOLEFIN COMPOSITION 审中-公开
    聚烯烃组合物

    公开(公告)号:US20130316213A1

    公开(公告)日:2013-11-28

    申请号:US13980268

    申请日:2012-01-17

    IPC分类号: C08L23/12 H01M2/10

    摘要: A polyolefin composition comprising: a) from 66 wt % to 76 wt % of a propylene polymer having the fraction insoluble in xylene at 25° C., higher than 97 wt %, a polydispersity index lower than 4.5, and a melt flow rate (MFR) comprised between 6.0 g/10 min and 10.0 g/10 min, b) from 12 wt % to 20 wt % of a copolymer of ethylene and propylene, the copolymer having ethylene ranging from 40 wt % to 53 wt %, the polymer fraction soluble in xylene at 25° C. having an intrinsic viscosity value ranging from 2 to 4 dl/g; c) from 12% to 20%% of ethylene homopolymer; the sum of the amount of a)+b)+c) being 100; said composition having a value of melt flow rate (MFR) ranging from 3.6 to 8.0 g/10 min.

    摘要翻译: 一种聚烯烃组合物,其包含:a)66重量%至76重量%的在25℃下不溶于二甲苯的级分的丙烯聚合物,高于97重量%,多分散指数低于4.5的熔体流动速率( MFR)为6.0g / 10min至10.0g / 10min,b)12wt%至20wt%的乙烯和丙烯的共聚物,共聚物的乙烯为40wt%至53wt%,聚合物 25℃下可溶于二甲苯的级分,其特性粘度值为2至4dl / g; c)12%-20%的乙烯均聚物; a)+ b)+ c)的总和为100; 所述组合物的熔体流动速率(MFR)为3.6-8.0g / 10min。