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    Method of making elastic articles having improved heat-resistance
    21.
    发明授权
    Method of making elastic articles having improved heat-resistance 有权
    制造具有改善的耐热性的弹性制品的方法

    公开(公告)号：US06803014B2

    公开(公告)日：2004-10-12

    申请号：US10192223

    申请日：2002-07-10

    申请人： Thoi H. Ho ,  Selim Bensason ,  Rajen M. Patel ,  Kimberly S. Houchens ,  Rona L. Reid ,  Pak-Wing S. Chum ,  Leonie K. Walsh

    发明人： Thoi H. Ho ,  Selim Bensason ,  Rajen M. Patel ,  Kimberly S. Houchens ,  Rona L. Reid ,  Pak-Wing S. Chum ,  Leonie K. Walsh

    IPC分类号： B29C3508

    CPC分类号： D04B1/18 ,  C08L51/06 ,  C08L53/025 ,  C08L2666/24 ,  C08L2666/04 ,  C08L2666/02

    摘要： The present invention relates to a method for making a heat-resistant elastic article and a heat-resistant elastic article. The invention especially relates to a method of making elastic fibers and polymeric elastic fibers wherein the elastic fibers are capable of withstanding dyeing and heat-setting processes that typically are conducted at elevated temperatures (such as 110-230° C. and especially at greater than or equal to 130° C. for minutes). The inventive method comprises radiation crosslinking an article (or plurality of articles) under an inert or oxygen limited atmosphere (for example, in N2, argon, helium, carbon dioxide, xenon and/or a vacuum) wherein the article (or articles) comprises at least one amine stabilizer and preferably another optional stabilizer additive. More preferably, the radiation crosslinking is performed at a low temperature (−50 to 40° C.). The elastic article (or articles) comprises a homogeneously branched ethylene interpolymer (preferably a substantially linear ethylene interpolymer), a substantially hydrogenated block polymer, or a combination of the two. The heat-resistant elastic articles (especially fibers) are useful in various durable or repeated-use fabric applications such as, but not limited to, clothing, under-garments, and sports apparel. The heat-resistant elastic fibers can be conveniently formed into fabrics using well-known techniques such as, for example, by using co-knitting techniques with cotton, nylon, and/or polyester fibers.

    摘要翻译： 本发明涉及一种制造耐热弹性制品和耐热弹性制品的方法。 本发明特别涉及一种制造弹性纤维和聚合物弹性纤维的方法，其中弹性纤维能够耐受染色和热定型过程，其通常在升高的温度（例如110-230℃，特别是大于 或等于130℃，分钟）。 本发明的方法包括在惰性或氧气限制的气氛（例如，在N 2，氩气，氦气，二氧化碳，氙气和/或真空中）中辐射交联物品（或多个制品），其中制品（或制品）包含 至少一种胺稳定剂，优选另一种任选的稳定剂添加剂。 更优选地，辐射交联在低温（-50至40℃）下进行。 弹性制品（或制品）包含均匀支化的乙烯互聚物（优选基本上为线性的乙烯互聚物），基本上氢化的嵌段聚合物或两者的组合。 耐热弹性制品（特别是纤维）可用于各种耐用或重复使用的织物应用，例如但不限于衣服，衣服和运动服装。 耐热弹性纤维可以使用众所周知的技术方便地形成织物，例如通过使用与棉，尼龙和/或聚酯纤维的共同编织技术。

    Cross-linked ethylenic polymer foam structures and process for making
    24.
    发明授权
    Cross-linked ethylenic polymer foam structures and process for making 失效
    交联乙烯聚合物泡沫结构及其制备方法

    公开(公告)号：US5407965A

    公开(公告)日：1995-04-18

    申请号：US295129

    申请日：1994-08-24

    申请人： Chung P. Park ,  Pak-Wing S. Chum ,  George W. Knight

    发明人： Chung P. Park ,  Pak-Wing S. Chum ,  George W. Knight

    IPC分类号： C08J9/06 ,  C08J9/10 ,  C08J9/14 ,  C08J9/00

    CPC分类号： C08J9/14 ,  C08J9/10 ,  C08J2323/16

    摘要： Disclosed is a cross-linked ethylenic polymer foam structure of an ethylenic polymer material of a cross-linked, substantially linear ethylenic polymer. The substantially linear ethylenic polymer having in an uncross-linked state has: a) a melt flow ratio, I.sub.10 /I.sub.2, .gtoreq.5.63; b) a molecular weight distribution, M.sub.w /M.sub.n, defined by the equation: M.sub.w /M.sub.n .ltoreq.(I.sub.10 /I.sub.2)-4.63; and c) a critical shear rate at onset of surface melt fracture of at least 50 percent greater than the critical shear rate at the onset of surface melt fracture of a linear ethylenic polymer having about the same I.sub.2 and M.sub.w /M.sub.n. Further disclosed is a process for making the above foam structure.

    摘要翻译： 公开了交联的，基本上线性的烯属聚合物的乙烯类聚合物材料的交联乙烯类聚合物泡沫结构。 具有未交联状态的基本上线性的乙烯类聚合物具有：a）熔体流动比，I10 / I2，≥5.63; b）由以下等式定义的分子量分布Mw / Mn：Mw / Mn（I10 / I2）-4.63; 和c）在具有大约相同的I2和Mw / Mn的线性烯属聚合物的表面熔融断裂开始时，表面熔融断裂开始时的临界剪切速率比临界剪切速率大至少50％。 进一步公开了制造上述泡沫结构的方法。

    Silica supported transition metal catalyst
    25.
    发明授权
    Silica supported transition metal catalyst 失效
    二氧化硅负载过渡金属催化剂

    公开(公告)号：US5231151A

    公开(公告)日：1993-07-27

    申请号：US854175

    申请日：1992-03-20

    申请人： Lee Spencer ,  Brian W. S. Kolthammer ,  Miriam P. Ripplinger ,  Jeffrey J. Wooster ,  Pak-Wing S. Chum ,  Jacquelyn A. deGroot

    发明人： Lee Spencer ,  Brian W. S. Kolthammer ,  Miriam P. Ripplinger ,  Jeffrey J. Wooster ,  Pak-Wing S. Chum ,  Jacquelyn A. deGroot

    IPC分类号： C08J5/18 ,  B29C55/02 ,  B29K23/00 ,  B29L7/00 ,  C08F4/646 ,  C08F4/658 ,  C08F4/685 ,  C08F10/00 ,  C08F210/00 ,  C08F210/02 ,  C08F210/16

    CPC分类号： C08F10/00 ,  Y10S428/91 ,  Y10T428/26 ,  Y10T428/31855

    摘要： A transition metal containing catalyst useful for the polymerization of .alpha.-olefins is prepared by (A) forming in an inert atmosphere which excludes oxygen and moisture a slurry of (1) a porous inorganic oxide support material selected from the group consisting of silica, alumina, or a combination of silica and alumina, said support material containing not greater than about 5 millimoles of hydroxyl groups per gram of support material and a particle size not greater than about 10 microns and a surface area of from about 50 to about 800 m.sup.2 /g in an inert organic liquid medium; (B) mixing said slurry with (2) an alkoxide and stirring the resultant mixture at a temperature of from about -20.degree. C. to about 120.degree. C. for a time sufficient to saturate the surface of the support material; (C) mixing the product form (B) with (3) a titanium compound or a combination of a titanium compound and (4) a vanadium compound and stirring the resultant mixture at a temperature of from about -20.degree. C. to about 120.degree. C. for a time sufficient to allow complete reaction of the titanium compound and the vanadium compound with the organomagnesium moieties remaining on the solid support; (D) mixing the product from (C) with an inert organic solution of (5) a Group IIIA metal alkyl halide at a temperature of from about -20.degree. C. to about 120.degree. C. for a time sufficient to complete the reduction of the titanium and vanadium, if present, compounds to their final oxidation state.

    摘要翻译： 用于α-烯烃聚合的含过渡金属的催化剂通过以下步骤制备：（A）在惰性气氛中形成不含氧和水分的淤浆（1）多孔无机氧化物载体材料，其选自二氧化硅，氧化铝 ，或二氧化硅和氧化铝的组合，所述载体材料每克载体材料含有不大于约5毫摩尔羟基，粒度不大于约10微米，表面积为约50至约800平方米/ g在惰性有机液体介质中; （B）将所述浆料与（2）醇盐混合并在约-20℃至约120℃的温度下搅拌所得混合物足以使载体材料表面饱和的时间; （C）将产品形式（B）与（3）钛化合物或钛化合物和（4）钒化合物的组合混合并在约-20℃至约120℃的温度下搅拌所得混合物 在足以允许钛化合物和钒化合物与残留在固体载体上的有机镁部分完全反应的时间; （D）将来自（C）的产物与（5）IIIA族金属烷基卤的惰性有机溶液在约-20℃至约120℃的温度下混合足以完成还原的时间 的钛和钒（如果存在）化合物达到其最终氧化态。

    Light stable polystyrene-polymethylmethacrylate laminate and method of preparation
    26.
    发明授权
    Light stable polystyrene-polymethylmethacrylate laminate and method of preparation 失效
    光稳定聚苯乙烯 - 聚甲基丙烯酸甲酯层压板及其制备方法

    公开(公告)号：US5091250A

    公开(公告)日：1992-02-25

    申请号：US475523

    申请日：1990-02-06

    申请人： Pak-Wing S. Chum ,  Mark A. Barger

    发明人： Pak-Wing S. Chum ,  Mark A. Barger

    IPC分类号： B32B27/08

    CPC分类号： B32B27/08 ,  Y10T428/269 ,  Y10T428/31928 ,  Y10T428/31935

    摘要： A light-stable, optically clear laminate construction and method of making it which utilizes inexpensive styrenic polymers is provided. The laminate formed exhibits strong interfacial adhesion without the need for additional glue or adhesive layers through the use of pendant functionalized hydroxyl groups incorporated into the styrenic polymer by copolymerization. These pendant hydroxyl groups react with active pendant ester groups on the other polymer layer in the laminate to form strong covalent interfacial bonds by heating the layers, preferably either in a compression molding step or during coextrusion of the layers.

    摘要翻译： 提供了一种光稳定的光学透明层压结构及其制造方法，其利用廉价的苯乙烯聚合物。 所形成的层压体通过使用通过共聚合引入到苯乙烯类聚合物中的侧基官能化羟基而不需要额外的胶粘剂或粘合剂层，表现出强的界面粘合性。 这些侧基羟基与叠层中另一聚合物层上的活性侧基酯基反应，以通过加热层来形成强共价界面，优选地在压缩模塑步骤中或在层的共挤出过程中。

    OPTOELECTRONIC DEVICES INCORPORATING FLUOROPOLYMER COMPOSITIONS FOR PROTECTION
    27.
    发明申请
    OPTOELECTRONIC DEVICES INCORPORATING FLUOROPOLYMER COMPOSITIONS FOR PROTECTION 有权
    含荧光体组合物的光电装置用于保护

    公开(公告)号：US20140124031A1

    公开(公告)日：2014-05-08

    申请号：US14131103

    申请日：2012-07-03

    申请人： Xuming Chen ,  Pak-Wing S. Chum ,  Kevin E. Howard ,  Leonardo C. Lopez ,  William C. Sumner ,  Shaofu Wu

    发明人： Xuming Chen ,  Pak-Wing S. Chum ,  Kevin E. Howard ,  Leonardo C. Lopez ,  William C. Sumner ,  Shaofu Wu

    IPC分类号： H01L31/048

    CPC分类号： H01L31/0481 ,  C08K5/005 ,  H01L31/048 ,  Y02E10/50 ,  C08L27/18

    摘要： The fluoropolymer compositions of the present invention generally incorporate ingredients comprising one or more fluoropolymers, an ultraviolet light protection component (hereinafter UV protection component), and optionally one or more additional ingredients if desired. The UV protection component includes a combination of at least one hindered tertiary amine (HTA) compound having a certain structure and a weight average molecular weight of at least 1000. This tertiary amine is used in combination with at least one organic, UV light absorbing compound (UVLA compound) having a weight average molecular weight greater than 500. When the HTA compound and the UVLA compound are selected according to principles of the present invention, the UV protection component provides fluoropolymer compositions with significantly improved weatherability characteristics for protecting underlying materials, features, structures, components, and/or the like. In particular, fluoropolymer compositions incorporating the UV protection component of the present invention have unexpectedly improved ability to resist blackening, coloration, or other de gradation that may be caused by UV exposure. As a consequence, devices protected by these compositions would be expected to have dramatically improved service life. The compositions have a wide range of uses but are particularly useful for forming protective layers in optoelectronic devices.

    摘要翻译： 本发明的含氟聚合物组合物通常包含含有一种或多种含氟聚合物的组分，紫外线防护组分（以下称为UV保护组分），以及任选的一种或多种另外的组分。 UV保护组分包括至少一种具有一定结构和重均分子量至少为1000的受阻叔胺（HTA）化合物的组合。该叔胺与至少一种有机的UV光吸收化合物 （UVLA化合物）。当根据本发明的原理选择HTA化合物和UVLA化合物时，UV保护组分提供具有显着改善的耐候性特征的含氟聚合物组合物，用于保护下面的材料，特征 ，结构，部件和/或类似物。 特别地，结合本发明的紫外线防护组分的含氟聚合物组合物意外地改善了抗紫外线曝光引起的黑化，着色或其它脱色的能力。 因此，预期受这些组合物保护的装置将有显着改善的使用寿命。 该组合物具有广泛的用途，但特别适用于在光电器件中形成保护层。