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Polymer blend: A novel method for the preparation of a natural rubber–carboxylated nitrile rubber blend
Author(s) -
Naskar Nityananda,
Biswas Tapasi,
Basu Dipak Kr.
Publication year - 1994
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/app.1994.070520801
Subject(s) - vulcanization , natural rubber , nitrile rubber , nitrile , materials science , polymer , polymer science , polymer chemistry , composite material , elastomer , chemistry , organic chemistry
Bis(diisopropyl)thiophosphoryl disfulfide (DIPDIS) can be successfully used to form a blend comprising polar carboxylated nitrile rubber (XNBR) and nonpolar NR through a chemical link between the two. It is revealed from the study that the physical properties of the vulcanizates obtained from the NR‐XNBR blend could be significantly improved by the judicious selection of the NR:XNBR ratio. These properties can further be improved by two‐stage vulcanization as described in the procedure. The SEM study reveals that it is possible to form a coherent blend of NR and XNBR in the presence of DIPDIS. © 1994 John Wiley & Sons, Inc.