%0 Journal Article %T Influ¨ºncia do tipo de agente de parti£¿£¿o da borracha nitr¨ªlica na obten£¿£¿o de blendas PVC/NBR %A Passador %A F¨¢bio R. %A Pessan %A Luiz A. %A Rodolfo Jr. %A Antonio %J Pol¨ªmeros %D 2008 %I Associa??o Brasileira de Pol¨ªmeros %R 10.1590/S0104-14282008000300003 %X nitrile rubbers used in mixture with pvc resin are supplied in powder. this kind of nitrile rubber has a partitioning agent to avoid agglomeration in the particles during the transport and storage. in this study, the influence of the partitioning agent on the preparation of pvc/nbr blends was investigated. the mechanical properties of the blends were evaluated by tensile properties, tear strength and hardness. the pvc/nbr blends with partitioning agent of pvc showed an increase in the tensile stress and young's modulus compared to the pvc/nbr blends with partitioning agent of caco3. the morphology of the blends examined by scanning electron microscopy demonstrated the influence of the partitioning agent. %K pvc/nbr blends %K poly (vinyl chloride) %K nitrile rubber %K partitioning agent. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0104-14282008000300003&lng=en&nrm=iso&tlng=en