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A Theoretical and Experimental Study on Solubility of Curatives in Rubbers
Author(s) -
Guo Rui,
Talma Auke G.,
Datta Rabin N.,
Dierkes Wilma K.,
Noordermeer Jacques W. M.
Publication year - 2009
Publication title -
macromolecular materials and engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.913
H-Index - 96
eISSN - 1439-2054
pISSN - 1438-7492
DOI - 10.1002/mame.200800370
Subject(s) - solubility , materials science , natural rubber , vulcanization , composite material , hildebrand solubility parameter , sulfur , chemical engineering , organic chemistry , chemistry , polymer , metallurgy , engineering
The current study provides indications for improving the properties of dissimilar rubber blends. As solubility is a key factor for the distribution and a driving force for the migration of curatives in dissimilar rubber blends, it is of importance to have precise data of their solubilities. The solubilities of (insoluble) sulfur and the accelerators CBS, MBT and DCBS are measured at RT and at 60 °C, in lightly crosslinked SBR, NBR and EPDM. The experimental results correlate well with calculated solubility parameters, as determined using the method of Hoftijzer and van Krevelen.