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Radioisotopic determination methods of sulfur dispersion and sulfur blooming in rubber compounds
Author(s) -
Jurkowski B.,
Koczorowska E.,
Goraczko W.,
Manuszak J.
Publication year - 1996
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/(sici)1097-4628(19960124)59:4<639::aid-app9>3.0.co;2-u
Subject(s) - natural rubber , sulfur , mixing (physics) , dispersion (optics) , isotope , materials science , chemistry , organic chemistry , composite material , nuclear physics , physics , quantum mechanics , optics
Radioisotope methods have been analyzed to study the dispersion of sulfur in rubber compounds. The radioactivity of the 35 S isotope introduced into rubber compounds has been measured by volumetric and surface methods. These methods can be applied to investigate physical and chemical processes in rubber and to optimize technical conditions of tire production. It was found that the radioisotopic methods can be used in the studies of sulfur blooming. Experimental data of the effect of mixing and the storage temperatures of the rubber compound on these processes are presented. Rubber compounds containing soluble sulfur, insoluble Crystex sulfur, and T‐accelerator were made for such investigations. © 1996 John Wiley & Sons, Inc.