Table 3. Application of Solvent Extraction for Rubber Composites.

Rubber Solvent Extracted Substance Reference
NR acetone accelerator 77
sulfuric acid hydroxylamine 78
SBR acetone HPPD, TMQ, paraffine 75
acetonitrile wax, OBTS 75, 81
n-hexane wax, process Oil 81
NBR n-hexane ZDBC, ZDE, DEHP, BHT 80
EPM methylene chloride hydrocarbons 79
OBTS: N-oxydoiethylene-2-benzothiazylsulfenamide, ZDBC: Zinc-di-n-butyldithiocarbomate, ZDEC: zinc diethyldithiocarbamate, DEHP: di(2-ethylhexyl) phthalate