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公开(公告)号：US3562334A
公开(公告)日：1971-02-09
申请号：US3562334D
申请日：1964-09-21
Applicant: FMC CORP
Inventor： BERKOWLTZ SIDNEY , BLUMBERGS JOHN H
Abstract: A HIGH-PURITY DICHLOROACETALDEHYDE (DCA) IS OBTAINED WHICH IS STABLE AGAINST LINEAR POLYMERIZATION BY MAINTAINING THE HYDROGEN CHLORIDE CONCENTRATION AT NO GREATER THAN 0.5% BY WEIGHT, MAINTAINING THE MONOCHLOROACETALDEHYDE CONCENTRATION AT NO GREATER THAN 1% AND BY MAINTAINING THE DCA PRODUCT FREE OF METAL IMPURITES; IF METAL IMPURITIES ARE PRESENT, THEY CAN BE NEUTRALIZED BY ADDITION OF EFFECTIVE AMOUNTS OF EITHER 2-BENZOTHIAZYL DISULFIDE, THIOUREA OR ETHANOLAMINE.
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