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New diformazanes obtained from dihydrazides of S,S′-(1,3,4-thiadiazol-2,5-diyl)-bis(mercaptoacetic) or-(2-mercaptopropionic) acids

✍ Scribed by A. Rutavichyus; S. Valyulene


Publisher
Springer US
Year
2000
Tongue
English
Weight
182 KB
Volume
36
Category
Article
ISSN
0009-3122

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Liquid polysulfide polymers with the thiol groups on the end of the chains and of the average molecular weight of 7000-510 g mol 01 have been obtained by the reaction of BClE and Na 2 S 3 , i.e., Na 2 S 2.5 in the presence of hydrazine. The average molecular weight of the obtained polymers depends o