Affiliation:
1. Chemistry Department Faculty of Science, Cairo University Giza, Egypt
2. Polymer Laboratory National Research Center Dokki, Cairo, Egypt
Abstract
SBR-NBR and CR-NBR blends were prepared with different con centrations, namely 0, 20, 40, 60, 80 and 100%, and measured dielectrically over a wide frequency range (10-2 -106Hz) and at different temperatures (-10°-25°C). The aim of the present work is to employ the dielectric method to investigate the compatibility of two different types of rubber blends. The first type consists of nonpolar and polar polymers (SBR and NBR), while the second is blended from two polar polymers (CR and NBR). It was expected that the styrene (in SBR) and the nitrile groups (in NBR could act as a donor-acceptor system and therefore allow compatibility of SBR and NBR, while the second series was expected to be compatible due to their polarity.
Subject
Materials Chemistry,Polymers and Plastics
Cited by
28 articles.
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