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  • Do polymeric plasticizers Rob curative effectiveness?
  • Plasticizers containing double bonds (oleates and tallates) can rob curative effectiveness, as can naphthenic oils. Generally, polymeric plasticizers do not provide significant performance advantages over monomerics and are seldom used.
  • Are polymeric plasticizers better than monomeric?
  • Generally, polymeric plasticizers do not provide significant performance advantages over monomerics and are seldom used. Hydrogenated nitrile butadiene rubber (HNBR) is produced by hydrogenating the double bonds of the butadiene component of nitrile butadiene rubber (NBR).
  • How is styrene-butadiene rubber polymerized?
  • Styrene-butadiene rubber (SBR) is polymerized by two basic methods, emulsion and solution. SBR usually contains 29 percent styrene randomly dispersed with butadiene in the polymer chains. The emulsion and solution grades have basically the same ratios of styrene and butadiene.