会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 6. 发明公开
    • 촉매적 다중상 반응을 통한 카복실산의 비닐화 방법
    • 用于实施催化多相反应的方法,羧酸的特别的乙烯基化
    • KR1020010049468A
    • 2001-06-15
    • KR1020000029966
    • 2000-06-01
    • 에보니크 옥세노 게엠베하
    • 올브리히파울비제클라우스-디터
    • B01J8/06
    • B01J19/2415B01J8/06B01J10/007B01J2219/00006B01J2219/00103B01J2219/0011B01J2219/00243C07C67/04C07C67/055C07C69/01C07C69/24
    • PURPOSE: A process for performing catalyzed multiphase reactions is developed which is suitable for manufacturing vinyl esters by catalytic reacting particularly carboxylic acids with acetylene. CONSTITUTION: The process for performing catalyzed multiphase reactions in a tube reactor is characterized in that catalysts are existed in a continuous phase, one or more starting materials are present in a dispersed phase, and a load factor is 0.8 or more. Catalytic multi-phase reaction comprises introducing catalyst in a continuous phase, where an adduct is present in a dispersed phase, and the load factor of the tube reactor is at least 0.8, wherein corresponding vinyl esters are obtained by catalytic multiphase reacting carboxylic acids with acetylene, the carboxylic acids have carbon numbers of 2 to 16, a metallic salt such as zinc salt of carboxylic acids is used as a catalyst, a weight ratio of the continuous phase or phases to the dispersed phase or phases is 2 or more, the continuous phase operates the upstream of a jet nozzle of the tube reactor, and one or more starting materials are dispersed by energy introduced into the tube reactor by the continuous phase.
    • 目的:开发一种进行催化多相反应的方法,适用于通过特别是羧酸与乙炔的催化反应制备乙烯基酯。 构成:在管式反应器中进行催化多相反应的方法的特征在于催化剂存在于连续相中,一种或多种原料存在于分散相中,负载系数为0.8以上。 催化多相反应包括在连续相中引入催化剂,其中加合物存在于分散相中,并且管式反应器的负载系数为至少0.8,其中相应的乙烯基酯通过催化多相羧酸与乙炔反应获得 ,羧酸的碳数为2〜16,金属盐如羧酸锌盐用作催化剂,连续相或相分散相或相的重量比为2以上,连续 相位操作管式反应器的喷嘴的上游,并且通过连续相将能量引入管式反应器中的一种或多种原料分散。
    • 10. 发明公开
    • 뱃치식 폴리에스터 중합장치
    • 批量类型聚酯聚合装置
    • KR1020030092904A
    • 2003-12-06
    • KR1020020030751
    • 2002-05-31
    • 주식회사 효성
    • 양승철손양국
    • C08G63/78
    • B01J19/247B01D3/009B01J3/006B01J19/0066B01J19/1875B01J2219/00029B01J2219/0011B01J2219/00243Y02P20/582
    • PURPOSE: A batch type polyester polymerization apparatus is provided, to reduce the polymerization time by allowing a low molecular weight oligomer to be polymerized in thin film state. CONSTITUTION: The batch polyester polymerization apparatus comprises a polycondensation reaction bath(4) connected with a vacuum connection line(5); a reaction solution circulation pump(3); and a reaction solution circulation line(2), wherein a thin film tower(1) having a plurality of sloped plates(1c) fixed to the internal wall with uniform angle (theta) is connected with the one end of the reaction solution circulation line(2) at the entrance part(1b) and with the upper part of the polycondensation reaction bath(4) at the exit part(1a). Preferably the height and diameter of the thin film tower(1) satisfy the relations (Q1/2)/5
    • 目的:提供一种批式聚酯聚合装置,通过使低分子量低聚物以薄膜状态聚合来缩短聚合时间。 构成:间歇式聚酯聚合装置包括与真空连接线(5)连接的缩聚反应槽(4)。 反应液循环泵(3); 和反应液循环管线(2),其中具有固定在内壁上的具有均匀角度(θ)的多个倾斜板(1c)的薄膜塔(1)与反应液循环管线的一端连接 (2)在入口部分(1b)处和与缩聚反应槽(4)的上部在出口部分(1a)处。 优选地,薄膜塔(1)的高度和直径满足关系式(Q1 / 2)/ 5 <= L <=(Q1 / 2)和4(Q1 / 2)<= D <= 40(Q1 / 2 ),其中Q是缩聚反应浴中反应溶液的重量(kg); L和D是薄膜塔的高度(m)和直径(cm)。 优选角度(θ)为20-70度。