Method for synthesizing t-butyl (meth)Acrylate
    1.
    发明授权
    Method for synthesizing t-butyl (meth)Acrylate 有权
    (甲基)丙烯酸叔丁酯的合成方法

    公开(公告)号:US07803964B2

    公开(公告)日:2010-09-28

    申请号:US11815664

    申请日:2006-02-06

    IPC分类号: C07C69/52

    CPC分类号: C07C67/04 C07C69/54

    摘要: Disclosed is a method for synthesizing t-butyl (meth)acrylate at low cost. Specifically, disclosed is a method for synthesizing a carboxylic acid ester by performing an addition reaction between isobutylene and (meth)acrylic acid in the presence of an acidic catalyst. This method includes the steps of: (A) performing a dehydration decomposition reaction of t-butyl alcohol in the presence of a first acidic catalyst; (B) obtaining crude isobutylene gas by separating at least water from a produced gas obtained in the step A; (C) absorbing the crude isobutylene gas in an absorption solvent containing (meth)acrylic acid; and (D) producing t-butyl (meth)acrylate by performing the addition reaction by bringing the absorption solvent which has absorbed the crude isobutylene gas into contact with a second acidic catalyst.

    摘要翻译: 公开了以低成本合成(甲基)丙烯酸叔丁酯的方法。 具体地,公开了通过在酸性催化剂的存在下进行异丁烯和(甲基)丙烯酸之间的加成反应来合成羧酸酯的方法。 该方法包括以下步骤:(A)在第一酸性催化剂的存在下进行叔丁醇的脱水分解反应; (B)通过从步骤A中获得的产生的气体中至少分离出水来获得粗异丁烯气体; (C)在含有(甲基)丙烯酸的吸收溶剂中吸收粗异丁烯气体; 和(D)通过使吸收了粗异丁烯气体的吸收溶剂与第二酸性催化剂接触进行加成反应来生产(甲基)丙烯酸叔丁酯。

    METHOD FOR SYNTHESIZING T-BUTYL (METH)ACRYLATE
    2.
    发明申请
    METHOD FOR SYNTHESIZING T-BUTYL (METH)ACRYLATE 有权
    合成叔丁基(甲基)丙烯酸酯的方法

    公开(公告)号:US20090012327A1

    公开(公告)日:2009-01-08

    申请号:US11815664

    申请日:2006-02-06

    IPC分类号: C07C57/18

    CPC分类号: C07C67/04 C07C69/54

    摘要: Disclosed is a method for synthesizing t-butyl (meth)acrylate at low cost. Specifically, disclosed is a method for synthesizing a carboxylic acid ester by performing an addition reaction between isobutylene and (meth)acrylic acid in the presence of an acidic catalyst. This method includes the steps of: (A) performing a dehydration decomposition reaction of t-butyl alcohol in the presence of a first acidic catalyst; (B) obtaining crude isobutylene gas by separating at least water from a produced gas obtained in the step A; (C) absorbing the crude isobutylene gas in an absorption solvent containing (meth)acrylic acid; and (D) producing t-butyl (meth)acrylate by performing the addition reaction by bringing the absorption solvent which has absorbed the crude isobutylene gas into contact with a second acidic catalyst.

    摘要翻译: 公开了以低成本合成(甲基)丙烯酸叔丁酯的方法。 具体地,公开了通过在酸性催化剂的存在下进行异丁烯和(甲基)丙烯酸之间的加成反应来合成羧酸酯的方法。 该方法包括以下步骤:(A)在第一酸性催化剂的存在下进行叔丁醇的脱水分解反应; (B)通过从步骤A中获得的产生的气体中至少分离出水来获得粗异丁烯气体; (C)在含有(甲基)丙烯酸的吸收溶剂中吸收粗异丁烯气体; 和(D)通过使吸收了粗异丁烯气体的吸收溶剂与第二酸性催化剂接触进行加成反应来生产(甲基)丙烯酸叔丁酯。

    Process for producing tau-butyl methacrylate
    3.
    发明授权
    Process for producing tau-butyl methacrylate 失效
    制备甲基丙烯酸叔丁酯的方法

    公开(公告)号:US4824998A

    公开(公告)日:1989-04-25

    申请号:US122453

    申请日:1987-11-19

    CPC分类号: C07C67/04

    摘要: A process for producing methacrylic acid which comprises reacting methacrylic acid and isobutylene in the presence of a sulfonic acid group-containing ion exchange resin by a continuous process while controlling the reaction at a reaction temperature of -20.degree. C. to +20.degree. C. so as to fulfil the following relation:y

    摘要翻译: 一种生产甲基丙烯酸的方法,其包括在含有磺酸基的离子交换树脂的存在下通过连续方法使甲基丙烯酸和异丁烯反应,同时在-20℃至+ 20℃的反应温度下控制反应。 以满足以下关系:y <100-50x其中x是异丁烯与其反应产物的总摩尔数与甲基丙烯酸及其反应产物的总摩尔数的比率,y是异丁烯的转化率(%) 然后将未反应的异丁烯脱气,通过减压蒸馏除去低沸点物质,然后将剩余物送入甲醇酸叔丁酯纯化塔,其中从馏出物一侧获得高纯度产物和未反应的甲基丙烯酸是 从塔底部排出并循环进入反应步骤。

    Process for producing isobutylene
    4.
    发明授权
    Process for producing isobutylene 失效
    异丁烯生产工艺

    公开(公告)号:US4873391A

    公开(公告)日:1989-10-10

    申请号:US235694

    申请日:1988-08-17

    摘要: A process for production of isobutylene by dehydration reaction of t-butyl alcohol or its aqueous solution is provided wherein the dehydration reaction is carried out in gaseous phase on fixed-bed type silica-alumina catalyst with adding non-reactive gas and/or water vapor to feed gas or reaction gas and/or with diluting at least a part of the catalyst with a carrier.

    摘要翻译: 提供了通过叔丁醇或其水溶液的脱水反应生产异丁烯的方法,其中脱水反应在固相床型二氧化硅 - 氧化铝催化剂上以气相进行,加入非反应性气体和/或水蒸汽 进料气体或反应气体和/或用载体稀释至少一部分催化剂。

    Light emitting display
    6.
    发明授权
    Light emitting display 有权
    发光显示

    公开(公告)号:US08274218B1

    公开(公告)日:2012-09-25

    申请号:US13472863

    申请日:2012-05-16

    IPC分类号: H01J1/62

    摘要: A color light emitting display includes light-emitting devices constituting a plurality of red, green and blue pixels disposed in a matrix form on a substrate, said light-emitting display takes out light from a side of said light-emitting devices opposite to said substrate on which said light-emitting devices are formed, and wherein when a wavelength of the light having an interference intensity of which with respect to the light emitted from an emissive layer constituting said light-emitting device becomes a maximum value at 0 degree of a viewing angle is λimax, and a wavelength of the light becomes a maximum in a light intensity of the light emitted from said emissive layer is λemax, a relationship of λemax−50 nm≦λimax

    摘要翻译: 彩色发光显示器包括构成以矩阵形式设置在基板上的多个红色,绿色和蓝色像素的发光器件,所述发光显示器从与所述基板相对的所述发光元件的一侧取出光 其上形成有所述发光装置,并且其中当相对于构成所述发光装置的发光层发射的光的干涉强度的光的波长在0度时成为最大值 角度为λimax,并且从所述发射层发射的光的光强度中的光的波长变为最大值为λemax,满足λemax-50nm&lt; lE;λimax<λemax的关系。

    IMAGE DISPLAY
    8.
    发明申请
    IMAGE DISPLAY 有权
    图像显示

    公开(公告)号:US20120162180A1

    公开(公告)日:2012-06-28

    申请号:US13412771

    申请日:2012-03-06

    IPC分类号: G09G5/00

    摘要: An image display is provided with a display area including pixels, each including illuminating means. A control circuit turns the illuminating means of the pixels on and off. A first terminal of a capacitor is connected to an input terminal of the control circuit. An image signal voltage generation circuit generates image signal voltages and a pixel drive voltage generation circuit generates pixel drive voltages for the pixels. A connector is provided for connecting either one of the image signal voltages or the pixel drive voltages to a second terminal of the capacitor. As such, an amount of drive current for the pixels is controlled in accordance with both the pixel drive voltage and the image signal voltage.

    摘要翻译: 图像显示器设置有包括像素的显示区域,每个显示区域包括照明装置。 控制电路使像素的照明装置打开和关闭。 电容器的第一端子连接到控制电路的输入端子。 图像信号电压产生电路产生图像信号电压,并且像素驱动电压产生电路产生像素的像素驱动电压。 提供连接器用于将图像信号电压或像素驱动电压中的一个连接到电容器的第二端。 因此,根据像素驱动电压和图像信号电压来控制像素的驱动电流量。