Photochromic compositions and articles comprising siloxane, alkylene or substituted alkylene oligomers
    4.
    发明申请
    Photochromic compositions and articles comprising siloxane, alkylene or substituted alkylene oligomers 审中-公开
    含有硅氧烷,亚烷基或取代的亚烷基低聚物的光致变色组合物和制品

    公开(公告)号:US20070187656A1

    公开(公告)日:2007-08-16

    申请号:US11568480

    申请日:2005-04-29

    IPC分类号: G02F1/361

    摘要: This invention relations to a polymerizable composition for forming a photochromic article of glass transition temperature of at least 50 ° C. on curing, the composition comprising: (a) a polymerizable composition comprising a monomer component or resin formed therefrom; and (b) a photochromic dye monomer comprising a photochromic moiety and at least one oligomeric group having at least one group reactive with the monomer component during or following curing wherein the oligomer group comprises a multiplicity of monomer units selected from siloxane, alkylene and substituted alkylene.

    摘要翻译: 本发明与用于形成玻璃化转变温度至少为50℃的光致变色制品的可聚合组合物在固化时的关系,所述组合物包含:(a)包含由其形成的单体组分或树脂的可聚合组合物; 和(b)包含光致变色部分的光致变色染料单体和至少一个具有至少一个在固化期间或之后与单体组分反应的基团的低聚物基团,其中低聚物基团包含多个选自硅氧烷,亚烷基和取代的亚烷基的单体单元 。

    Process for increasing the melt strength of polypropylene
    5.
    发明授权
    Process for increasing the melt strength of polypropylene 失效
    提高聚丙烯熔体强度的方法

    公开(公告)号:US06951904B1

    公开(公告)日:2005-10-04

    申请号:US09600363

    申请日:1999-01-19

    摘要: A process for modifying a polypropylene (co)polymer wherein said process comprises melt mixing the polypropylene (co)polymer in the presence of an initiator wherein said initiator is selected from the group defined by formula (1), wherein R is selected from the group consisting of optionally substituted C1 to C18 acyl, optionally substituted C1 to C18 alkyl, aroyl defined by formula (2), and compounds of formula (3), wherein U, V, X, Y, Z, U′, V′, X′, Y′ and Z′ are independently selected from the group consisting hydrogen; halogen; C1-C18 alkyl; C1-C18 alkoxy, aryloxy, acyl, acyloxy, aryl, carboxy, alkoxycarbonyl, aryloxycarbonyl, trialkyl silyl, hydroxy, or a moiety of formula (4), and wherein T is alkylene.

    摘要翻译: 一种改性聚丙烯(共)聚合物的方法,其中所述方法包括在引发剂存在下熔融混合聚丙烯(共)聚合物,其中所述引发剂选自式(1)所定义的基团,其中R选自 由任选取代的C 1至C 18酰基,任选取代的C 1至C 18烷基,被定义的芳酰基 式(3)的化合物,其中U,V,X,Y,Z,U',V',X',Y'和Z'独立地选自氢; 卤素; C1-C18烷基; C 1 -C 18烷氧基,芳氧基,酰基,酰氧基,芳基,羧基,烷氧基羰基,芳氧基羰基,三烷基甲硅烷基,羟基或式(4)的部分,其中T是亚烷基。