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    • 73. 发明授权
    • Polymer mixtures containing polydiorganosiloxane urea-containing components
    • 含有聚二有机硅氧烷脲的组分的聚合物混合物
    • US06846893B1
    • 2005-01-25
    • US08735836
    • 1996-10-23
    • Audrey A. ShermanMieczyslaw H. MazurekWalter R. RomankoPatrick D. HydeRoy WongAlbert I. Everaerts
    • Audrey A. ShermanMieczyslaw H. MazurekWalter R. RomankoPatrick D. HydeRoy WongAlbert I. Everaerts
    • B32B25/20C08L83/10C09D183/10C09J7/02C09J175/00C09J183/10C08G18/61
    • C09D183/10C08L83/10C08L2666/04C09J183/10
    • A mixture is provided comprising (a) at least one of an elastomeric thermoplastic, a non-elastomeric thermoplastic, an elastomeric thermoset and mixtures thereof, excluding polydiorganosiloxane fluids and (b) a polymer having soft polydiorganosiloxane units, hard polyisocyanate residue units, optionally, soft and/or hard organic polyamine residue units and terminal groups. The hard polyisocyanate residue and the hard polyamine residue comprise less than 50% by weight of the polydiorganosiloxane urea containing component. The polyisocyanate residue is the polyisocyanate minus the —NCO groups and the polyamine residue is the polyamine minus the —NH2 groups. The polyisocyanate residue is connected to the polyamine residue by urea linkages. The terminal groups are non-functional groups or functional groups. The polydiorganosiloxane urea containing component may be reactive under free-radical or moisture curing conditions. The mixture may also optionally contain tackifying materials, free radical initiators, crosslinking agents, cure catalysts, and nonreactive additives such as fillers, pigments, stabilizers, antioxidants, flame retardants, plasticizers, compatibilizers and the like.
    • 提供了一种混合物,其包含(a)弹性体热塑性塑料,非弹性体热塑性塑料,弹性体热固性材料及其混合物中的至少一种,不包括聚二有机基硅氧烷流体,和(b)具有软聚二有机硅氧烷单元的聚合物,硬多异氰酸酯残基单元, 软和/或硬有机多胺残基单元和末端基团。 硬多异氰酸酯残基和硬多胺残基包含少于50重量%的含聚二有机硅氧烷脲的组分。 多异氰酸酯残基是多异氰酸酯减去-NCO基团,多胺残基是多胺减去-NH 2基团。 多异氰酸酯残基通过脲键与多胺残基连接。 末端基团是非官能团或官能团。 含有聚二有机硅氧烷脲的组分可以在自由基或湿固化条件下具有反应性。 混合物还可任选地含有增粘材料,自由基引发剂,交联剂,固化催化剂和非反应性添加剂,如填料,颜料,稳定剂,抗氧化剂,阻燃剂,增塑剂,增容剂等。
    • 75. 发明授权
    • Polymeric compositions and articles with anisotropic light scattering and methods of making and using
    • 具有各向异性光散射的聚合物组合物和制品及其制备和使用方法
    • US06727313B2
    • 2004-04-27
    • US09761799
    • 2001-01-17
    • Zhiming ZhouJiaying MaRobert S. MoshrefzadehAlbert I. Everaerts
    • Zhiming ZhouJiaying MaRobert S. MoshrefzadehAlbert I. Everaerts
    • C08L5300
    • C09J11/08C09J7/38H01L51/5268
    • A polymeric composition includes a first polymeric material, for example, an adhesive material, and a second polymeric material disposed as a plurality of elongated structures within the first polymeric material. Each elongated structure has a major axis and the major axes are substantially aligned. The first polymeric material has an index of refraction that differs by at least 0.01 from an index of refraction of the second polymeric material. In some instances, a pressure sensitive adhesive material is selected as the first polymeric material. The orientation of the elongated structures and the difference in indices of refraction results in the polymeric composition scattering light asymmetrically. The polymeric composition is optionally disposed on a substrate and can be used, for example, to extract light from a light guide or to asymmetrically alter the viewing angle of a display.
    • 聚合物组合物包括第一聚合物材料,例如粘合剂材料,以及在第一聚合物材料内作为多个细长结构设置的第二聚合物材料。 每个细长结构具有长轴并且主轴基本上对齐。 第一聚合物材料的折射率与第二聚合物材料的折射率相差至少0.01。 在一些情况下,选择压敏粘合剂材料作为第一聚合物材料。 细长结构的取向和折射率的差异导致聚合物组合物不对称地散射光。 聚合物组合物任选地设置在基底上,并且可以用于例如从光导中提取光或者不对称地改变显示器的视角。