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    POLYMER CONCRETE ELECTRICAL INSULATION SYSTEM
    2.
    发明专利
    POLYMER CONCRETE ELECTRICAL INSULATION SYSTEM 未知

    公开(公告)号：CA2701333A1

    公开(公告)日：2009-04-16

    申请号：CA2701333

    申请日：2007-10-08

    Applicant: ABB RESEARCH LTD

    Inventor： CLIFFORD STEPHEN ,  SOYEUX FAUSTINE ,  KRIVDA ANDREJ ,  TILLIETTE VINCENT ,  ZANT NIKOLAUS ,  SINGH BANDEEP ,  GREUTER FELIX ,  RITZER LEOPOLD

    IPC: H01B3/40 ,  C08K3/36 ,  C08L63/00

    Abstract: Polymer concrete electrical insulation system comprising a hardened epoxy resin composition filled with an electrically non-conductive inorganic filler composition, wherein said polymer concrete electrical insulation system optionally may contain further additives, and wherein (a) the epoxy resin composition is based on a cycloaliphatic epoxy resin; (b) the inorganic filler composition is present within the range of about 76 % by weight to about 86 % by weight, calculated to the total weight of the polymer concrete electrical insulation system; (c) the inorganic filler composition comprises a uniform mixture of (i) an inorganic filler with an average grain size within the range of 1 micron (µm) to 100 micron (µm) [component c(i)], and (ii) an inorganic filler with an average grain size within the range of 0.1 mm (100 micron) to 2 mm [component c(ii)]; wherein (d) the inorganic filler with an average grain size within the range of 1 micron (µm) to 100 micron (µm) [component c(i)] is present in an amount within the range of 22 % to 42 %, calculated to the total weight of the polymer concrete electrical insulation system; and (e) the inorganic filler with an average grain size within the range of 0.1 mm to 2 mm [component c(ii)] is present within the range of 41 % to 61 % by weight, calculated to the total weight of the polymer concrete electrical insulation system; and method of producing said electrical insulation system.

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