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    • 1. 发明授权
    • Polypropylene film and capacitor made by using it as a dielectric
    • 聚丙烯膜和电容器用作电介质
    • US6094337A
    • 2000-07-25
    • US29703
    • 1998-03-06
    • Takashi UedaItsuo NagaiShigeru TanakaTakumi Hirano
    • Takashi UedaItsuo NagaiShigeru TanakaTakumi Hirano
    • C08J5/18H01G4/18H01G4/26
    • C08J5/18H01G4/18C08J2323/12
    • Biaxially oriented polypropylene film excellent in heat resistance and long-term dielectric properties at high temperatures, reduced insulation defects, and excellent impregnation of insulating oil into the clearance between film layers and swelling resistance when immersed in the insulating oil; in a capacitor having excellent heat resistance, dielectric properties, corona resistance, long-term thermal durability and electric current resistance, with the polypropylene film serving as dielectric; the film is a biaxially oriented polypropylene film characterized by 98 to 99.5% isotacticity, 99% or more in isotactic pentad fraction, 30 ppm or less in ash content and 0.01 to 0.4 .mu.m in center line average surface roughnesses on both sides.
    • PCT No.PCT / JP97 / 02791 Sec。 371日期1998年3月6日 102(e)1998年3月6日PCT PCT 1997年8月8日提交PCT公布。 第WO98 / 06776号公报 日期1998年2月19日双轴取向聚丙烯薄膜耐高温性能好,耐高温介电性能好,绝缘性差,绝缘油浸入绝缘油中时,绝缘油浸入薄膜层之间的间隙以及耐溶胀性; 在具有优异的耐热性,介电特性,电晕电阻,长期耐热性和耐电流性的电容器中,聚丙烯膜用作电介质; 该膜是双轴取向的聚丙烯膜,其特征在于98〜99.5%的全同立构规整度,99%以上的全同立构五单元组分数,30ppm以下的灰分和0.01〜0.4μm的中心线平均表面粗糙度。
    • 3. 发明授权
    • Biaxially oriented polypropylene film and a capacitor made thereof
    • 双轴取向聚丙烯薄膜及其制成的电容器
    • US5724222A
    • 1998-03-03
    • US703328
    • 1996-08-27
    • Takumi HiranoItsuo NagaiShigeru TanakaMasayoshi Asakura
    • Takumi HiranoItsuo NagaiShigeru TanakaMasayoshi Asakura
    • B32B27/32C08J5/18C08L23/12C08L101/00H01G4/18H01G4/26
    • C08J5/18H01G4/18C08J2323/10
    • The present invention relates to a biaxially oriented polypropylene film and a capacitor made thereof. The biaxially oriented polypropylene film of the invention is a biaxially oriented polypropylene film that is 98-99.5% in isotacticity, above 99% in isotactic pentad fraction, and 1-4% in the sum of the machine- and transverse-direction heat shrinkage at 120.degree. C., or a biaxially oriented polypropylene film that is less than 10 ppm.multidot.% in the product of the film's ash content and internal haze and is above 99% in isotactic pentad fraction. With this constitution, the biaxially oriented polypropylene film of the present invention has good dielectric properties at high temperatures. Furthermore, the capacitor of the invention can be used safely for a long life at operating temperatures higher by up to 20.degree. C. than the maximum operating temperature of 85.degree. C. of the conventional biaxially oriented polypropylene films.
    • 本发明涉及双轴取向聚丙烯薄膜及其制成的电容器。 本发明的双轴取向聚丙烯薄膜是双轴取向聚丙烯薄膜,其全同立构规整度为98-99.5%,全同立构五单元组分率高于99%,在横向热收缩率的总和中为1-4% 或薄膜灰分和内部雾度的乘积小于10ppm x%的双轴取向聚丙烯薄膜,并且在全同立构五单元组分数中高于99%。 采用这种结构,本发明的双轴取向聚丙烯膜在高温下具有良好的介电性能。 此外,本发明的电容器可以在比常规双轴取向聚丙烯膜的最高工作温度85℃高20℃的操作温度下安全使用。
    • 5. 发明申请
    • Combustion Apparatus
    • 燃烧装置
    • US20080160467A1
    • 2008-07-03
    • US11883883
    • 2006-01-30
    • Masahiko ShimazuTakashi AkiyamaTakeshi WakadaLin XieTakashi HasegawaItsuo NagaiTakashi Wakatake
    • Masahiko ShimazuTakashi AkiyamaTakeshi WakadaLin XieTakashi HasegawaItsuo NagaiTakashi Wakatake
    • F23C5/00
    • F23D14/045F23C6/045F23C2201/20F23D14/085
    • A combustion apparatus 1 includes an intermediate member 6 constituted by a premixer 2 and a burner port assembly 3 and an air passage member 5, the intermediate member 6 being interposed between two air passage members 5. Fuel gas flows into an opening row part 10. The opening row part 10 has a number of openings 8 arranged linearly, so that the fuel gas introduced into the row part 10 is uniformly discharged through each of the openings 8. The fuel gas discharged through the openings 8 of the row part 10 bumps into air at mixing spaces 39. Fuel gas discharged through slots is homogenous and uniform in flow rate. Fuel gas produces a primary flame in a first combustion part 46 to perform a primary combustion. Unburned combustible components are discharged outside through openings of the first combustion part 46 and produce a secondary flame with air supplied through the distal end portion of the air passage member 5.
    • 燃烧装置1包括由预混合器2和燃烧器端口组件3和空气通道构件5构成的中间构件6,中间构件6插入在两个空气通道构件5之间。 燃料气体流入开口排部10。 开口排部10具有多个直线状配置的开口部8,通过各开口部8均匀地排出引入排列部10的燃料气体。 通过排列部分10的开口8排出的燃料气体在混合空间39处碰到空气。 通过槽排出的燃料气体流速均匀且均匀。 燃料气体在第一燃烧部分46中产生主要火焰以进行初级燃烧。 未燃烧的可燃组分通过第一燃烧部分46的开口排出到外部,并且通过空气通道构件5的远端部分供应的空气产生二次火焰。