Determination of Free Carbon in Cured Rubber Stocks
Keyword(s):
Abstract A method for the determination of free carbon in vulcanized rubber stocks is described. The sample is softened in boiling p-dichlorobenzene before treatment with tert-butyl hydroperoxide in the presence of osmium tetroxide. No difficulties are encountered in the filtration of the carbon black. The carbon black is washed on the filter with dilute nitric acid to remove acid-soluble inorganic fillers. The method has been successfully applied to natural rubber, GR-S, Butyl rubber, and Neoprene. No correction is necessary.
1941 ◽
Vol 14
(1)
◽
pp. 241-248
◽
Keyword(s):
1967 ◽
Vol 40
(3)
◽
pp. 866-882
◽
1996 ◽
Vol 39
(4)
◽
pp. 309-316
◽
Keyword(s):
1944 ◽
Vol 17
(2)
◽
pp. 404-411
◽
Keyword(s):
2011 ◽
Vol 418-420
◽
pp. 1072-1075
◽
Keyword(s):
1969 ◽
Vol 42
(2)
◽
pp. 547-556
◽