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Polymers and Polymer Composites

REINFORCED RUBBER WITH IONIC LIQUID MODIFIED CARBON BLACK

July 1, 2011 By: Yanda Lei; Baochun Guo; Xiaoliang Liu; Demin Jia Research article

Title: REINFORCED RUBBER WITH IONIC LIQUID MODIFIED CARBON BLACK
Page Range: p.593-602
Author(s): Yanda Lei; Baochun Guo; Xiaoliang Liu; Demin Jia
File size: 464K
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Journal: Polymers and Polymer Composites
Issue Year: ppc
Volume: 19
Issue No: No.7

Abstract
The ionic liquid, 1-butyl-3-methylimidazole hexafluorophosphate (BmimPF6), was utilized to modify carbon black (CB) via microwave (MW) irradiation. The conditions for the preparation of the modified CB (m-CB) were optimized. The reinforceability of the m-CB in styrene-butadiene rubber (SBR), butadiene rubber (BR) and nitrile rubber (NBR) composites were evaluated. The curing behaviour, morphology and tensile properties of the rubber/m-CB composites were studied and compared with those of composites filled with unmodified CB. Rubber/m-CB compounds showed a significant increase in the curing rate for a generated zinc complex with the alkylimidazoles. Compared with CB, m-CB exhibited a significantly improved reinforceability of the rubbers at lower filler loading, although the mechanical properties were changed slightly at higher filler loading. A possible mechanism was proposed, based on the molecular slippage theory in which the interfacial bonding, the filler loading and the chain flexibility of the rubber molecules were all considered. 43 Refs.

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