STABILIZATION OF POLY(ARYLENE ETHER KETONES)
    1.
    发明申请
    STABILIZATION OF POLY(ARYLENE ETHER KETONES) 审中-公开
    聚(亚芳基醚酮)的稳定化

    公开(公告)号:WO1990001509A1

    公开(公告)日:1990-02-22

    申请号:PCT/US1989003023

    申请日:1989-07-12

    CPC classification number: C08G61/127

    Abstract: A method of stabilizing a poly(arylene ether ketone), which method comprises in one embodiment heating the poly(arylene ether ketone) at a temperature betwen about 240°C and about 325°C for a period of between about 0.5 and about 24 hours, prior to any melt-processing of the poly(arylene ether ketone) and in another embodiment hydrothermally treating the poly(arylene ether ketone) by heating it to a temperature of at least 160°C while contacting it with water.

    Abstract translation: 在一个实施方案中,稳定聚(亚芳基醚酮)的方法是在约240℃至约325℃的温度下加热聚(亚芳基醚酮)约 0.5至约24小时,在聚(亚芳基醚酮)的任何熔融加工之前,并且在另一个实施方案中,通过将聚(亚芳基醚酮)加热至至少 160°C,同时与水接触。

    VARISTOR DRIVEN LIQUID CRYSTAL DISPLAY
    2.
    发明申请
    VARISTOR DRIVEN LIQUID CRYSTAL DISPLAY 审中-公开
    VARISTOR驱动液晶显示器

    公开(公告)号:WO1991017472A1

    公开(公告)日:1991-11-14

    申请号:PCT/US1991003176

    申请日:1991-05-08

    CPC classification number: H01C7/112 G02F1/1365

    Abstract: A liquid crystal display comprises (a) a first transparent base (26); (b) a plurality of first picture electrodes (28) on the first transparent base; (c) a plurality of data lines (29) for supplying electrical signals to the first picture electrodes; (d) a second transparent base (27), parallel to and spaced apart from the first transparent base; (e) a plurality of second picture electrodes (30) on the second transparent base; (f) a plurality of varistor elements (37) made of a varistor material comprising zinc oxide as a primary metal oxide and cobalt and praseodymium oxides as an additive metal oxides, in amounts of between 0.1 and 8.0 atom % cobalt and between 0.08 and 8.0 atom % praseodymium, one varistor element being associated with and in electrical contact each second picture electrode; (g) a plurality of scan lines (42) for supplying electrical signals to the second picture electrodes via the respective associated varistor elements; and (h) electrooptically active liquid crystal material (25) between the first and second picture electrodes. In a preferred embodiment, the plurality of varistor elements is in the form of a varistor array comprising an integral body of varistor material (35) having two major opposing faces, one of the opposing faces having an array of indentations thereon, each indentation defining a varistor element.

    METAL OXIDE VARISTORS AND METHOD THEREFOR
    3.
    发明申请
    METAL OXIDE VARISTORS AND METHOD THEREFOR 审中-公开
    金属氧化物变压器及其方法

    公开(公告)号:WO1991009407A1

    公开(公告)日:1991-06-27

    申请号:PCT/US1990007236

    申请日:1990-12-07

    CPC classification number: H01C7/108 H01C7/112 Y10T29/49082

    Abstract: A varistor comprises a primary varistor metal oxide, aluminum in an amount of about 1 to about 30 parts per million (ppm), about 0.1 to about 0.5 mole % bismuth, about 0.1 to about 1.5 mole % antimony, about 0.1 to about 1 mole % chromium, about 0.1 to about 1.0 mole % manganese, about 0.1 to about 2.0 mole % cobalt, and about 0 to about 1.0 mole % boron. Each of these elements is present in the form of its oxide and the varistor has a DC leakage current at 80 % of V1ma/cm2 of less than 1.0 x 10?-7 amp/cm2¿.

    LOW VOLTAGE VARISTOR ARRAY
    4.
    发明申请
    LOW VOLTAGE VARISTOR ARRAY 审中-公开
    低电压变送器阵列

    公开(公告)号:WO1991017553A1

    公开(公告)日:1991-11-14

    申请号:PCT/US1991003173

    申请日:1991-05-08

    CPC classification number: G02F1/1365 H01C7/102

    Abstract: A method of making an article having an array of varistors, comprising the steps of (a) providing a first sheet comprising a varistor precursor material; (b) providing a second sheet comprising a varistor precursor material and having an array of openings extending across the thickness thereof; (c) laminating the second sheet to the first sheet to form a laminate of the first and second sheets; and (d) sintering the laminate to convert the varistor precursor material in the first and second sheets to varistor material.

    Abstract translation: 一种制造具有压敏电阻阵列的制品的方法,包括以下步骤:(a)提供包含变阻器前体材料的第一片材​​; (b)提供包括变阻器前体材料并且具有延伸穿过其厚度的开口阵列的第二片; (c)将第二片材层压到第一片材以形成第一片材和第二片材的层压体; 和(d)烧结层压板,将第一和第二片中的压敏电阻前体材料转换成非线性电阻材料。

    STABILIZATION OF POLY(ARYLENE ETHER KETONES)
    5.
    发明申请
    STABILIZATION OF POLY(ARYLENE ETHER KETONES) 审中-公开
    聚(亚乙基醚)的稳定性

    公开(公告)号:WO1991002014A1

    公开(公告)日:1991-02-21

    申请号:PCT/US1989003457

    申请日:1989-08-11

    CPC classification number: C08G61/12

    Abstract: A method is provided for stabilizing a poly(arylene ether ketone), comprising the steps of: (a) digesting the poly(arylene ether ketone) in an aqueous medium to remove polymerization solvent, and (b) hydrothermally treating the poly(arylene ehter ketone) by heating it to a temperature of at least 160 DEG C while contacting it with water.

    Abstract translation: 提供了一种稳定聚(亚芳基醚酮)的方法,包括以下步骤:(a)在水性介质中消化聚(亚芳基醚酮)以除去聚合溶剂,和(b)水热处理聚亚芳基醚 酮)通过将其加热至至少160℃的温度,同时将其与水接触。

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