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22 条记录 (耗时 0.015 秒)

    Smooth flexible powder coatings
    1.
    发明公开
    Smooth flexible powder coatings 审中-公开
    Glatte，biegsame Pulverbeschichtungen

    公开(公告)号：EP1411093A1

    公开(公告)日：2004-04-21

    申请号：EP03255814.0

    申请日：2003-09-17

    申请人： ROHM AND HAAS COMPANY

    发明人： Ilenda, Casmir Stanislaus ,  Spera, Michael Louis ,  Tullos, Gordon L. ,  Daly, Andrew T.

    IPC分类号： C09D5/03

    CPC分类号： C09D5/037 ,  C09D163/00 ,  Y10S525/902

    摘要： The present invention, a powder composition for making powder coatings comprising one or more than one curable polymer or resin and an agglomerate of a core-shell polymer, wherein the agglomerate of a core-shell polymer has an average particle size of from 5 to 190 microns, preferably from 10 to 127 microns. The powders in accordance with the present invention provide a cured powder coating that is flexible, smooth, and which may be applied in a thickness of only from 0.3 to 8 mils. In a preferred embodiment of making a powder in accordance with the present invention, the agglomerate is cryoground to form a reduced agglomerate prior to adding it into a powder as a post-blend or a powder-forming mixture as a preblend. The preferred core-shell polymer for use in accordance with the present invention comprises an acrylic impact modifier having a poly(methyl methacrylate) shell and a poly(butyl acrylate) core. Further, the preferred curable polymer or resin powder is an epoxy resin, wherein the powder composition is a low temperature curing one component powder composition which cures at from 107 to 149 degrees C.

    摘要翻译： 粉末组合物（C1）包含至少一种可固化聚合物或树脂和芯 - 壳聚合物（P1）的附聚物。 （P1）平均粒度为5〜190（优选为10〜127）微米。 包括（C1）的独立权利要求，涉及：（1）冷冻研磨（P1）以形成还原（P1）; （2）将还原的（P1）与至少一种可固化的聚合物或树脂一起挤出以形成挤出物; 和（3）冷却和研磨挤出物。

    Acrylic polymer composition
    8.
    发明公开
    Acrylic polymer composition 失效
    丙烯酸聚合物组合物

    公开(公告)号：EP0835909A2

    公开(公告)日：1998-04-15

    申请号：EP97307766.2

    申请日：1997-10-02

    申请人： ROHM AND HAAS COMPANY

    发明人： Abramowicz, Mark Allan ,  Hallden-Abberton, Michael Paul ,  Ilenda, Casmir Stanislaus ,  Work, William James

    IPC分类号： C08L33/06 ,  B29C47/06

    CPC分类号： G02B6/02033 ,  B29C47/0023 ,  B29C47/128 ,  B29D11/00663 ,  C08K3/18 ,  G02B1/046 ,  C08L43/04 ,  C08L33/06

    摘要： Acrylic light pipe as described in Bigley et al., U. S. Patents 5,406,641 and 5,485,541, has adequate thermal stability for many purposes. It has been found that improved thermal stability, as reflected in color formation, can be imparted by adjusting the polymerization conditions to produce the uncured core polymer of the core/clad construction with a much reduced terminal vinyl content, preferably below 0.5 vinyl groups/ 1000 monomer units.

    摘要翻译： 在Bigley等人的美国专利5,406,641和5,485,541中描述的丙烯酸光导管对于许多目的具有足够的热稳定性。 已经发现，如颜色形成所反映的，改进的热稳定性可以通过调节聚合条件来产生，从而产生具有大大降低的末端乙烯基含量，优选低于0.5个乙烯基/ 1000的核/包覆结构的未固化芯聚合物 单体单元。

    Graft copolymer impact modifier
    9.
    发明公开
    Graft copolymer impact modifier 失效
    Pfropfpolymere alsSchlagzäh-Modifizierungsmittel。

    公开(公告)号：EP0420615A2

    公开(公告)日：1991-04-03

    申请号：EP90310538.5

    申请日：1990-09-26

    申请人： ROHM AND HAAS COMPANY

    发明人： Bortnick, Newman ,  Work, William James ,  Ilenda, Casmir Stanislaus

    IPC分类号： C08L51/06 ,  C08L101/00

    CPC分类号： C08F255/06 ,  C08F255/04 ,  C08L51/06 ,  C08L101/00 ,  C08F220/12 ,  C08L2666/02 ,  C08L2666/24

    摘要： A polymer composition, having enhanced impact resistance, comprises polar polymer and graft copolymer impact modifier which comprises copolymer trunk derived from ethylene/propylene and optionally non-conjugated monomer with a predominantly methyacrylate ester side chain of number average molecular weight of 9,800 to 100,000 grafted with a covalent bond thereon.

    摘要翻译： 具有增强的抗冲击性的聚合物组合物包含极性聚合物和接枝共聚物抗冲改性剂，其包含衍生自乙烯/丙烯的共聚物树脂和任选的非共轭单体，其主要是甲基丙烯酸酯侧链的数均分子量为9,800至100000， 其上共价键。