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    • 32. 发明申请
    • PHENOLIC FOAM
    • 酚醛泡沫
    • US20110124257A1
    • 2011-05-26
    • US11991533
    • 2006-09-08
    • Vincent CoppockRuud ZeggelaarHiroo TakahashiToshiyuki Kato
    • Vincent CoppockRuud ZeggelaarHiroo TakahashiToshiyuki Kato
    • C08J9/06C08K3/26C08K5/12B32B5/18
    • C08J9/145C08J9/0066C08J9/149C08J2203/14C08J2203/142C08J2361/06C08J2361/10C08L71/08Y10T428/249953Y10T442/647
    • A phenolic foam is made by foaming and curing a formable phenolic resin composition that comprises a phenolic resin, a blowing agent, an acid catalyst and an inorganic filler. The blowing agent comprises a blend of chlorinated aliphatic hydrocarbon containing 2 to 5 carbon atoms and an aliphatic hydrocarbon containing from 3 to 6 carbon atoms mixed in a ratio of 60/40 to 95/5 parts by weight. The inorganic filler is at least one selected from a metal hydroxide, a metal oxide, a metal carbonate and metal powder. The phenolic foam has a pH of 5 or more and a water uptake less than 1 kg/m2. A phenolic foam with a higher pH value compared with conventional phenolic foam reduces corrosion risk when in contact with metallic materials. The phenolic foam maintains excellent long-term stable thermal insulation performance, low water uptake and fire resistance performance and by using the said blowing agent, does not harm the environment as an ozone or global warming depleting material.
    • 通过发泡和固化包含酚醛树脂,发泡剂,酸催化剂和无机填料的可成形酚醛树脂组合物来制备酚醛泡沫。 发泡剂包含含有2至5个碳原子的氯代脂族烃和含有3-6个碳原子的脂族烃的混合物,其混合比例为60/40至95/5重量份。 无机填料是选自金属氢氧化物,金属氧化物,金属碳酸盐和金属粉末中的至少一种。 酚醛泡沫体的pH为5以上,吸水量小于1kg / m 2。 与常规酚醛泡沫相比,具有较高pH值的酚醛泡沫体在与金属材料接触时可降低腐蚀风险。 酚醛泡沫塑料具有优异的长期稳定的隔热性能,低吸水性和耐火性能,并且通过使用所述发泡剂,不会对臭氧或全球变暖消耗材料造成危害。
    • 36. 发明授权
    • Video disc apparatus recording time-expanded luminance signals and
time-compressed chrominance signals
    • 记录时间扩展亮度信号和时间压缩色度信号的视盘设备
    • US5115323A
    • 1992-05-19
    • US413064
    • 1989-09-27
    • Kaoru TachibanaKen MoritaHiroo Takahashi
    • Kaoru TachibanaKen MoritaHiroo Takahashi
    • H04N9/85H04N9/797H04N9/81
    • H04N9/81H04N9/7973
    • A wide bandwidth color video signal, such as a high definition television (HDTV) signal is recorded on a video disc by timebase expanding the luminance component and timebase compressing the color difference components to a bandwidth substantially equal to the bandwidth of the timebase expanded luminance component. The timebase expanded luminance component and the timebase compressed color difference components are time division multiplexed and separated into plural channels of multiplexed signals, each of which is recorded in a respective track on the video disc. Signals recorded in this format are recovered by reproducing the plural channels of multiplexed luminance and color difference components from respective tracks, demultiplexing the timebase expanded luminance component and the timebase compressed color difference components, timebase compressing the separated luminance component to return it to its conventional timebase, and timebase expanding the separated color difference components to return them to their conventional time base.
    • 将高分辨率电视(HDTV)信号等高带宽彩色视频信号通过时基扩展将色差分量的亮度分量和时基扩展到基本上等于时基扩展亮度分量的带宽的带宽而被记录在视频盘上 。 时基扩展的亮度分量和时基压缩色差分量被时分复用并分离成多个信道的多路复用信号,每个信道被记录在视频盘上的相应磁道中。 以这种格式记录的信号通过再现来自相应磁道的多路复用亮度和色差分量的多个通道,多路分解时基扩展亮度分量和时基压缩色差分量来恢复,时基压缩分离的亮度分量以将其返回到其常规时基 ,并且时基扩展分离的色差组件以将它们返回到其常规时基。