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    • 8. 发明公开
    • 아이소사이아네이트계 화합물의 분해회수 방법 및 그의분해회수 설비
    • 异氰酸酯化合物的分解和还原过程和设备
    • KR1020080023363A
    • 2008-03-13
    • KR1020087002660
    • 2006-07-12
    • 가부시키가이샤 고베 세이코쇼미쓰이 가가쿠 폴리우레탄 가부시키가이샤
    • 가스야후미히코야마가타마사히로스즈키시게토시요시다다다시
    • C07C211/18C07C211/27C07C211/36
    • B01J19/20B01J3/02B01J3/042B01J19/006B01J2219/00772B01J2219/185B01J2219/1943C07C209/62C07C2601/14C07C211/12C07C211/18C07C211/27C07C211/36C07C211/46C07C211/50C07C211/51C07C211/58
    • A process for the decomposition and recovery of isocyanate compounds which comprises introducing continuously an isocyanate compound having at least one isocyanate group or at least one group derived from an isocyanate group in a molten or dissolved state into high-temperature water under pressure to disperse the compound in the water, feeding the obtained mixed fluid continuously into a reactor to decompose the compound in the reactor, and recovering raw materials of the isocyanate compound or derivatives thereof; and equipment for the decomposition and recovery of isocyanate compounds which is equipped with a reactor wherein an isocyanate compound having at least one isocyanate group or at least one group derived from an isocyanate group is decomposed by bringing the compound into contact with high-temperature water under pressure, a water feed line for feeding high-temperature water under pressure into the reactor continuously, a compound feed line for feeding an isocyanate compound in a molten or dissolved state into the water feed line, an on-off valve for connecting the compound feed line to the water feed line near the zone in which the water feed line is connected to the reactor, a dewatering apparatus for dewatering the decomposition product discharged from the reactor, and a purifier for purifying the dewatered decomposition product. ® KIPO & WIPO 2008
    • 一种分解和回收异氰酸酯化合物的方法,其包括将具有至少一个异氰酸酯基团或至少一种衍生自异氰酸酯基团的异氰酸酯基团在熔融或溶解状态下的异氰酸酯化合物加压到高温水中以分散化合物 在水中,将得到的混合液连续进料到反应器中以分解反应器中的化合物,并回收异氰酸酯化合物或其衍生物的原料; 以及装有反应器的异氰酸酯化合物的分解和回收设备,其中通过使化合物与高温水接触而将具有至少一个异氰酸酯基团或至少一个由异氰酸酯基团衍生的基团的异氰酸酯化合物分解 压力,用于将压力下的高温水连续地进入反应器的供水管线,用于将熔融或溶解状态的异氰酸酯化合物进料到给水管线中的复合供料管线,用于连接复合进料的开关阀 与供水管线连接到反应器的区域附近的供水管线,用于使从反应器排出的分解产物脱水的脱水设备和用于净化脱水的分解产物的净化器。 ®KIPO&WIPO 2008