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    Refractory protective blocks and protective wall structure of boiler using same
    1.
    发明授权
    Refractory protective blocks and protective wall structure of boiler using same 失效
    锅炉的耐火保护块和保护墙结构采用相同的

    公开(公告)号：US5845610A

    公开(公告)日：1998-12-08

    申请号：US705094

    申请日：1996-08-29

    申请人： Tokuaki Hatta ,  Hiromi Nakashima ,  Shigeru Imamura ,  Arito Mizobe ,  Shigeki Ishimatsu ,  Akihiro Tachikawa

    发明人： Tokuaki Hatta ,  Hiromi Nakashima ,  Shigeru Imamura ,  Arito Mizobe ,  Shigeki Ishimatsu ,  Akihiro Tachikawa

    IPC分类号： F22B37/10 ,  F23M5/02 ,  F22B37/24

    CPC分类号： F22B37/108 ,  F23M5/02 ,  Y10S122/13

    摘要： A refractory protective block protects heat exchange means connecting tubes to fins. The refractory protective block has an inside complementary shape corresponding to the surface shape of the heat exchange means and the refractory protective block is provided with recesses into which projections formed on the tubes are fitted and received. A pair of projections formed on the two adjacent tubes in the heat exchange means are arranged so as to confront each other. The refractory protective block has a high durability which does not break even when heat exchange means expand more than the refractory block at the time of the repetition of heating and cooling and which enable the dispersion of strain at the time of the repetition of expansion and contraction.

    摘要翻译： 耐火保护块保护将管连接到翅片的热交换装置。 耐火保护块具有对应于热交换装置的表面形状的内部互补形状，并且耐火保护块设置有凹部，其中形成在管上的突起被安装和接收。 在热交换装置中形成在两个相邻管上的一对突起被布置成彼此面对。 耐火保护块具有高耐久性，即使当热重复加热和冷却时热交换装置比耐火块膨胀时也不会破裂，并且能够在重复膨胀和收缩时使应变分散 。

    Antistatic resin composition with transparency containing phosphonium sulphonate
    5.
    发明授权
    Antistatic resin composition with transparency containing phosphonium sulphonate 失效
    具有透明度的含有磺酸鏻的抗静电树脂组合物

    公开(公告)号：US4943380A

    公开(公告)日：1990-07-24

    申请号：US316603

    申请日：1989-02-27

    申请人： Masato Sugiura ,  Hideo Shimizu ,  Shigeru Imamura ,  Fumitoshi Sugiura

    发明人： Masato Sugiura ,  Hideo Shimizu ,  Shigeru Imamura ,  Fumitoshi Sugiura

    IPC分类号： C08K5/50

    CPC分类号： C08K5/50 ,  Y10S260/16 ,  Y10S260/19

    摘要： An antistatic resin composition with transparency contains 90-99.9 wt % of a synthetic resin selected from polycarbonate or polymethyl methacrylate and 0.1-10 wt % of a heat-resistant antistat containing phosphonium sulfonate shown by the general formula (I) below: ##STR1## where A is alkyl group with 1-36 carbon atoms, alkenyl group with 4-24 carbon atoms, phenyl group, phenyl group substituted by alkyl group with 1-18 carbon atoms, naphthyl group or naphthyl group substituted by alkyl group with 1-18 carbon atoms, R.sup.1, R.sup.2 and R.sup.3 are identical, each being an aliphatic hydrocarbon group with 1-8 carbon atoms or aromatic hydrocarbon group, and R.sup.4 is a hydrocarbon group with 1-18 carbon atoms.

    摘要翻译： 具有透明性的抗静电树脂组合物包含90-99.9重量％的选自聚碳酸酯或聚甲基丙烯酸甲酯的合成树脂和0.1-10重量％的含有下列通式（I）所示的鏻磺酸盐的耐热抗静电剂： （I）其中A是具有1-36个碳原子的烷基，具有4-24个碳原子的烯基，苯基，被具有1-18个碳原子的烷基取代的苯基，被烷基取代的萘基或萘基， 1-18个碳原子，R1，R2和R3相同，各自为具有1-8个碳原子或芳族烃基的脂族烃基，R4是具有1-18个碳原子的烃基。