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Liu Yansheng, Cao Rui, Liu Yongjun: Vapour-liquid mass transfering method without amplifying effect. China Petroleum And Gas Group Co, liyu meng, June 13, 2007: CN200510127803

The present invention relates to a vapor-liquid mass transfer method without scale effect. Said method is characterized by that on one layer of column tray several mass transfer elements are parallelly mounted, in the mass transfer element interior the complete process of interphase mass transfer ca ...


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Yu Jing, Hu Shaokun, Zhang Fengying, Qi Yongxin: Method for synthesizing liquid rubber-epoxy resin polymer. China Petroleum And Gas Group Co, jinjie, June 13, 2007: CN200510125691

Using the fluid rubber of acrylonitrile-polybutadiene end-capped with hydroxy and the multi-isocyanate to react and then the prepolmer of acrylonitrile fluid rubber end-capped with isocyanate was obtained; using the fluid rubber of polybutadiene end-capped with hydroxy and the multi-isocyanate to re ...


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Yu Yanlong, Fan Ailan, Sun Li, Hao Ai: Method for synthesizing carboxylated styrene hutadiene latex for polystyrene foamed plate adhesion. China Petroleum And Gas Group Co, jinjie, June 13, 2007: CN200510125693

The purpose of this invention is using ordinary emulsion polymerization method, reducing the type and amount of monomer and additives, to synthesize required latex. Take butadiene, styrene, and methyl methacrylate as main materials, assist with one or more of itaconic acid, maleic acid, fumarate, an ...


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Qi Yongxin, Chen Jiming, Li Jingyun, Du Hai, Yu Jing: Method for preparing liquid nitrile butadiene rubber. China Petroleum And Gas Group Co, jinjie, June 13, 2007: CN200510125695

This invention is to provide a preparation method of synthesizing liquid nitrile rubber in moderate temperature. Polymerizing in the temperature, and do not use frozen brine (-12DEG C) as coolant or using other heating source heating, and use only cold water as coolant and temperature can be control ...


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Xiang Ming, Xu Hong, Sha Zhongying, Jin Chunzi: Low-smoke flame-retarded pc/abs alloy plate special material. China Petroleum And Gas Group Co, jinjie, June 13, 2007: CN200510125696

This invention is related to a kind of low-smoke and fire-retarded PC/ABS special material for alloy plates using polycarbonate(PC),styrene-butadiene-acrylonitrile ternary copolymer as base and adding all various assistants. The basic components of the said special material and the weight portions a ...


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Liu Yansheng, Cao Rui, Liu Yongjun: Arrange mode of vapour-liquid mass transfer floating valve tower-board. China Petroleum And Gas Group Co, jinjie, June 13, 2007: CN200510125697

The present invention relates to a kind of arrangement mode of vapour-liquid mass transfer floating valve tray for vapour-liquid mass transfer tray-type column. It includes column tray, heavy valves and light valves, on the column tray the heavy valves and light valves are distributed, said light va ...


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Liu Yansheng, Cao Rui, Liu Yongjun: Efficient high-speed vapour-liquid mass transfer structure form. China Petroleum And Gas Group Co, jinjie, June 13, 2007: CN200510125698

The present invention relates to a high-effective high-speed vapor-liquid mass transfer structure. It includes the following several portions: column tray, tray hole, vapor riser, distribution pipe, top cover, downflow spout and mass transfer element. Said invention also provides the concrete struct ...


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Liu Yansheng, Cao Rui, Liu Yongjun: Three-layer efficient high-speed gas-liquid mass transfer tower board. China Petroleum And Gas Group Co, jinjie, June 13, 2007: CN200510125699

The present invention relates to a three-layer high-effective high-speed gas-liquid mass transfer column tray. It includes column tray, tray hole, vapor riser and downflow spout, on the column tray the tray hole is set, said column tray is connected with vapor riser, and said column tray is connecte ...