| 摘要 |
PROBLEM TO BE SOLVED: To prevent polymerization of an unsaturated compound such as acrylamide in a stagnation part of a process liquid in an apparatus, in the manufacturing process of the unsaturated compound. SOLUTION: This method for preventing polymerization of the compound having the unsaturated bond in the manufacturing process of the unsaturated compound comprises compulsively moving a process liquid stagnating inside the apparatus used in the manufacturing process from the place of stagnation. COPYRIGHT: (C)2003,JPO
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