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    Expandable vinylaromatic polymers and process for their preparation
    1.
    发明授权
    Expandable vinylaromatic polymers and process for their preparation 有权
    可膨胀的乙烯基芳族聚合物及其制备方法

    公开(公告)号：US07279504B2

    公开(公告)日：2007-10-09

    申请号：US10488298

    申请日：2002-10-03

    申请人： Dario Ghidoni ,  Roberto Lanfredi ,  Gilberto Frigerio ,  Alessandro Casalini

    发明人： Dario Ghidoni ,  Roberto Lanfredi ,  Gilberto Frigerio ,  Alessandro Casalini

    IPC分类号： C08J9/00 ,  C08J9/16

    CPC分类号： C08J9/20 ,  C08J9/0066 ,  C08J9/16 ,  C08J2201/03 ,  C08J2325/06

    摘要： Expandable vinylaromatic polymers which comprise: a) a matrix obtained by polymerizing 50-100% by weight of one or more vinylaromatic monomers and 0.50% by weight of a copolymerizable monomer; b) 1-10% by weight, calculated with respect to the polymer (a), of an expanding agent englobed in the polymeric matrix; c) 0.05-25% by weight, calculated with respect to the polymer (a), of an inorganic filler homogeneously distributed in the polymeric matrix with a substantially spherical granulometry, an average diameter ranging from 0.01 to 100 μm, a refraction index higher than 1.6 and a white index, as defined in “Colour Index” (third edition published by the Society of Dyers and Colourists, 1982), equal to or lower than 22.

    摘要翻译： 可膨胀的乙烯基芳族聚合物，其包含：a）通过聚合50-100重量％的一种或多种乙烯基芳族单体和0.50重量％的可共聚单体获得的基体; b）相对于聚合物（a）计算的占聚合物基质中的发泡剂的1-10重量％ c）相对于聚合物（a）计算的0.05-25重量％的均匀分布在聚合物基质中的无机填料，其基本上为球形粒度，平均直径为0.01至100μm，折射率高于 1.6和白色指数，如“颜色指数”（由Dyers and Colourists，1982年出版的第三版）定义的等于或低于22。

    Beads of expandable vinylaromatic polymers and process for their preparation
    2.
    发明申请
    Beads of expandable vinylaromatic polymers and process for their preparation 审中-公开
    可膨胀乙烯基芳族聚合物珠粒及其制备方法

    公开(公告)号：US20050222280A1

    公开(公告)日：2005-10-06

    申请号：US10518385

    申请日：2003-07-03

    申请人： Roberto Lanfredi ,  Dario Ghidoni

    发明人： Roberto Lanfredi ,  Dario Ghidoni

    IPC分类号： C08J9/16 ,  C08J9/00 ,  C08J9/224 ,  C08K3/22 ,  C08K5/10 ,  C08L25/04

    CPC分类号： C08J9/224 ,  C08J2201/036 ,  C08J2201/038 ,  C08J2325/04

    摘要： Beads of expandable vinylaromatic polymers which comprise: a) a matrix obtained by polymerizing 50-100% by weight of one or more vinylaromatic monomers and 0-50% by weight of at least one copolymerizable monomer; b) 1-10% by weight, calculated with respect to the polymer (a), of an expanding agent englobed in the polymeric matrix; c) 2 ppm-2% by weight, calculated with respect to the polymer (a), of an anti-lumping additive, distributed an the surface of the beads, comprising Oxides of metals of groups IB, IIB and VIIB.

    摘要翻译： 可膨胀乙烯基芳族聚合物珠粒，其包含：a）通过聚合50-100重量％的一种或多种乙烯基芳族单体和0-50％重量的至少一种可共聚单体获得的基体; b）相对于聚合物（a）计算的占聚合物基质中的发泡剂的1-10重量％ c）相对于聚合物（a）计算的2ppm-2重量％的抗结块添加剂，分布了珠粒表面，其包含IB，IIB和VIIB族金属的氧化物。

    Compositions based on expandable vinylaromatic polymers with an improved expandability
    3.
    发明申请
    Compositions based on expandable vinylaromatic polymers with an improved expandability 审中-公开
    基于可扩展乙烯基芳族聚合物的组合物具有改进的可扩展性

    公开(公告)号：US20060241195A1

    公开(公告)日：2006-10-26

    申请号：US11454936

    申请日：2006-06-19

    申请人： Alessandro Casalini ,  Aldo Longo ,  Dario Ghidoni ,  Roberto Lanfredi

    发明人： Alessandro Casalini ,  Aldo Longo ,  Dario Ghidoni ,  Roberto Lanfredi

    IPC分类号： C08J9/00

    CPC分类号： C08J9/0061 ,  C08J9/0066 ,  C08J9/16 ,  C08J2325/04 ,  C08J2425/00 ,  C08J2471/00 ,  C08L25/04 ,  C08L25/06 ,  C08L25/08 ,  C08L71/12 ,  C08L2205/02 ,  C08L2666/22 ,  C08L2666/06

    摘要： Compositions of expandable vinylaromatic polymers which contain a polymer, of at least one vinylaromatic monomer, having an average molecular weight Mw ranging from 50,000 to 170,000, which comprise: a) 0-50% by weight of a copolymer obtained by polymerizing one or more vinylaromatic monomers and 0.1-15% by weight of an α-alkylstyrene; b) 0-10% by weight of a compatible polymer having a crystallinity lower than 10% and a glass transition temperature (Tg) higher than 100° C., the remaining percentage consisting of the vinylaromatic polymer; c) 2-10% by weight, calculated with respect to the total, of an expanding agent; with the proviso that at least one of (a) or (b) is present in the polymeric mixture.

    摘要翻译： 包含聚合物的至少一种乙烯基芳族单体，其平均分子量Mw范围为50,000至170,000的可膨胀乙烯基芳族聚合物的组合物，其包含：a）0-50重量％的通过聚合一种或多种乙烯基芳族化合物 单体和0.1-15重量％的α-烷基苯乙烯; b）0-10重量％的结晶度低于10％且玻璃化转变温度（Tg）高于100℃的相容聚合​​物，剩余的百分比由乙烯基芳族聚合物组成; c）相对于总量计，膨胀剂为2-10重量％ 条件是聚合物混合物中存在（a）或（b）中的至少一种。

    Expandable vinylaromatic polymers and process for their preparation
    4.
    发明申请
    Expandable vinylaromatic polymers and process for their preparation 审中-公开
    可膨胀的乙烯基芳族聚合物及其制备方法

    公开(公告)号：US20060058407A1

    公开(公告)日：2006-03-16

    申请号：US11250365

    申请日：2005-10-17

    申请人： Dario Ghidoni ,  Roberto Lanfredi ,  Gilberto Frigerio ,  Alessandro Casalini

    发明人： Dario Ghidoni ,  Roberto Lanfredi ,  Gilberto Frigerio ,  Alessandro Casalini

    IPC分类号： C08J9/16 ,  B29C44/34

    CPC分类号： C08J9/20 ,  C08J9/0066 ,  C08J9/16 ,  C08J2201/03 ,  C08J2325/06

    摘要： Expandable vinylaromatic polymers which comprise: a) a matrix obtained by polymerizing 50-100% by weight of one or more vinylaromatic monomers and 0.50% by weight of a copolymerizable monomer; b) 1-10% by weight, calculated with respect to the polymer (a), of an expanding agent englobed in the polymeric matrix; c) 0.05-25% by weight, calculated with respect to the polymer (a), of an inorganic filler homogeneously distributed in the polymeric matrix with a substantially spherical granulometry, an average diameter ranging from 0.01 to 100 μm, a refraction index higher than 1.6 and a white index, as defined in “Colour Index” (third edition published by the Society of Dyers and Colourists, 1982), equal to or lower than 22.

    摘要翻译： 可膨胀的乙烯基芳族聚合物，其包含：a）通过聚合50-100重量％的一种或多种乙烯基芳族单体和0.50重量％的可共聚单体获得的基体; b）相对于聚合物（a）计算的占聚合物基质中的发泡剂的1-10重量％ c）相对于聚合物（a）计算的0.05-25重量％的均匀分布在聚合物基质中的无机填料，其基本上为球形粒度，平均直径为0.01至100μm，折射率高于 1.6和白色指数，如“颜色指数”（由Dyers and Colourists，1982年出版的第三版）定义的等于或低于22。

    Process for the preparation of expandable vinylaromatic polymers
    6.
    发明申请
    Process for the preparation of expandable vinylaromatic polymers 审中-公开
    制备可膨胀乙烯基芳族聚合物的方法

    公开(公告)号：US20050222357A1

    公开(公告)日：2005-10-06

    申请号：US10516935

    申请日：2003-03-19

    申请人： Roberto Lanfredi ,  Loris Zamperlin

    发明人： Roberto Lanfredi ,  Loris Zamperlin

    IPC分类号： C08J9/20 ,  C08F112/02

    CPC分类号： C08J9/20 ,  C08J2325/06

    摘要： Process for the preparation of expandable vinylaromatic polymers which comprises: a) polymerizing in aqueous suspension at last one vinylaromatic monomer in the presence of a suspending agent selected from inorganic salts of phosphoric acid; b) recovering the expandable beads from the reaction container; c) washing the beads thus obtained with an aqueous solution containing 0.005-2% by weight of a non-ionic surface-active agent; d) recovering the washed beads substantially without any inorganic salt of phosphoric acid, on the surface, and drying them in a stream of air.

    摘要翻译： 制备可膨胀乙烯基芳族聚合物的方法，其包括：a）在最后一种乙烯基芳族单体的水悬浮液中，在选自磷酸的无机盐的悬浮剂存在下聚合; b）从反应容器中回收可发泡珠粒; c）用含有0.005-2重量％的非离子表面活性剂的水溶液洗涤由此获得的珠子; d）在表面上基本上没有任何磷酸的无机盐回收洗涤的珠，并在空气流中干燥。