C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 57/075 (2006.01) C07C 7/20 (2006.01) C07C 15/46 (2006.01) C07C 51/50 (2006.01) C07C 67/62 (2006.01) C07C 69/54 (2006.01) C07C 253/32 (2006.01) C07C 255/08 (2006.01) C07C 333/16 (2006.01) C07C 333/32 (2006.01) C09K 15/26 (2006.01)
Patent
CA 2055085
ABSTRACT OF THE DISCLOSURE This invention provides a polymerization inhibitor and a polymerization-inhibiting method which make continuous operation of a device for producing vinyl compounds in a long period of time possible and make corrosion of the device quite small, and also, are superior in polymerization inhibition in case of transferring and storing the vinyl compound products and in other cases. The polymerization inhibitor of this invention is the one containing a manganese dithiocarbamate or a thiuram compound as an effective component. The polymerization- inhibiting method of this invention comprises an individual or joint use of said inhibitors, or a joint use of a copper salt, another manganese salt, or quinones in addition to said inhibitors. Also, the method may comprise a joint use of a copper dithiocarbamate and a manganese salt as polymerization inhibitors, or joint use of quinones in addition to these salts.
Akazawa Yohji
Baba Masao
Haramaki Hidefumi
Sakamoto Jazuhiko
Ueoka Masatoshi
Akazawa Yohji
Baba Masao
Bereskin & Parr
Haramaki Hidefumi
Nippon Shokubai Co. Ltd.
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