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    • 5. 发明申请
    • Method for removing acidic gas from raw gas, and additive having corrosion suppressing effect and defoaming effect for addition to amine solution for removing acid gas
    • 从原料气中除去酸性气体的方法,以及添加剂除去酸性气体的胺溶液以外具有腐蚀抑制效果和消泡效果的添加剂
    • US20060000356A1
    • 2006-01-05
    • US10531719
    • 2003-11-26
    • Yasuyoshi TomoeMakoto ShimizuMitsuhiro TakaradaTeruki IkedaYoshitaka Aoki
    • Yasuyoshi TomoeMakoto ShimizuMitsuhiro TakaradaTeruki IkedaYoshitaka Aoki
    • B01D53/14
    • C10L3/102B01D19/0409B01D53/1456B01D53/1493C10L3/10C23F11/06B01D19/0413
    • A method for removing an acidic gas from a raw gas containing the acid gas by contacting the raw gas with an aqueous alkanol amine solution, characterized in that a composition comprising an organopolysiloxane containing a polyoxyalkylene group and a fine silica powder is caused to be present. In some embodiments, a composition comprising the above-mentioned organopolysiloxane and a fine silica powder is added appropriately according to the state of foaming in an acidic gas removing reaction system from the outside of the system, or use is made of an alkanol amine containing in advance a composition comprising the above-mentioned organopolysiloxane and a fine silica powder. In preferred embodiments, the fine silica powder has a specific surface area of 50 m2/g or more, and/or the composition comprising the above-mentioned organopolysiloxane and a fine silica powder is used in an amount of 0.1 to 5000 ppm relative to the alkanol amine. As a further embodiment, a method for removing an acidic gas from a raw gas by contacting the raw gas with an aqueous alkanol amine solution containing 40 mass % or more of an alkanol amine, characterized in that a composition comprising the above-mentioned organopolysiloxane and a fine silica powder is caused to be present in an amount of 0.1 to 5000 ppm relative to the alkanol amine.
    • 使原料气体与烷醇胺溶液接触,从含有酸性气体的原料气体中除去酸性气体的方法,其特征在于,含有含有聚氧化烯基的有机聚硅氧烷和二氧化硅微粉末的组合物存在。 在一些实施方案中,包含上述有机聚硅氧烷和二氧化硅细粉末的组合物根据酸性气体除去反应体系中的发泡状态从系统外部适当添加,或者使用含有 推进包含上述有机聚硅氧烷和二氧化硅微粉的组合物。 在优选的实施方案中,二氧化硅微粉的比表面积为50m 2 / g以上,和/或包含上述有机聚硅氧烷和二氧化硅微粉的组合物的用量 相对于链烷醇胺为0.1〜5000ppm。 作为另一实施方案,通过使原料气体与含有40质量%以上的链烷醇胺的烷醇胺水溶液接触,从原料气体中除去酸性气体的方法,其特征在于,含有上述有机聚硅氧烷和 相对于链烷醇胺,二氧化硅微粉末的存在量为0.1〜5000ppm。
    • 6. 发明授权
    • Coating agents for electrophotography and electrophotography carriers
prepared by using them
    • 通过使用它们制备的电子照相和电子照相载体用涂料
    • US5567561A
    • 1996-10-22
    • US300011
    • 1994-09-02
    • Yuji YoshikawaMitsuhiro Takarada
    • Yuji YoshikawaMitsuhiro Takarada
    • C08G77/24C09D183/04C09D183/08G03G9/113
    • C08G77/24C09D183/08G03G9/1136G03G9/1138Y10T428/2995
    • Coating agents for electrophotography carriers are disclosed which are resistant to wear, peel-off, cracks, and prevent the occurrence of a spent phenomenon, and which possess a durability for a long period of use and a superior stability in the carrier charge characteristics. The coating provides long lifetime electrophotography carriers which possess reduced temperature dependency and improved stability in the carrier charge characteristics.The coating agents for the electrophotography carrier are characterized by having an organopolysiloxane expressed by the formula below as a main component:R.sub.a.sup.f R.sub.b.sup.1 Si(OR.sup.2).sub.c O.sub.(4-(a+b+c))/2IwhereinR.sup.f is C.sub.p F.sub.2p+1 Q;p is 1-12;Q is a bivalent organic group with 2-12 carbon atoms;R.sup.1 is alkyl with 1-12 carbon atoms or phenyl;R.sup.2 is H or alkyl with 1-6 carbon atoms; anda, b and c are numbers satisfying the following conditions:0
    • 公开了耐磨损,剥离,裂纹,防止出现现象的电子照相载体用涂料,其具有长时间使用的耐久性和载体电荷特性优异的稳定性。 涂层提供长寿命的电子照相载体,其具有降低的温度依赖性和改善载体电荷特性的稳定性。 电子照相载体的涂层剂的特征在于具有由下式表示的有机聚硅氧烷作为主要成分:RafRb1Si(OR2)cO(4-(a + b + c))/ 2I,其中Rf为CpF2p + 1Q; p为1-12; Q是具有2-12个碳原子的二价有机基团; R1是具有1-12个碳原子的烷基或苯基; R2是H或具有1-6个碳原子的烷基; 和a,b和c是满足以下条件的数字:0 和0