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Title: Cure efficiency of dodecyl succinic anhydride as a cross-linking agent for elastomer blends based on epoxidized natural rubber
Authors: Mascia, Leno
Clarke, Jane
Ng, Kiat S.
Chua, Kok Sien
Russo, Pietro
Keywords: Blends
Functionalization of polymers
Issue Date: 2015
Publisher: © Wiley Periodicals, Inc.
Citation: MASCIA, L. ... et al, 2015. Cure efficiency of dodecyl succinic anhydride as a cross-linking agent for elastomer blends based on epoxidized natural rubber. Journal of Applied Polymer Science, 132 (6), 41448.
Abstract: Blends of a highly epoxidized natural rubber (ENR50) with unmodified natural rubber (NR) and ethylene propylene elastomers (EPDM) were produced to evaluate the mixing and curing characteristics. Dodecyl succinic anhydride was used to cross-link the ENR50 component and the reactivity was assessed by monitoring the evolution of the torque in an oscillatory co-axial cylinder rheometer, as well as by DSC thermal analysis. A physical model was used to obtain a single parameter for the reactivity of the system, which corresponds to the rate constant for first order curing reactions. Although the blends were thermodynamically immiscible, displaying no significant change in Tg, the components were well dispersed at microscopic level. Better mechanical properties were obtained for blends with EPDM
Description: This is the peer reviewed version of the article, which has been published in final form at http://dx.doi.org/10.1002/app.41448. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
Sponsor: This work has been partially supported by the POR Campania FSE 2007-2013 as part of the Materiali e Strutture Intelligenti (MAS- TRI) Project.
Version: Accepted for publication
DOI: 10.1002/app.41448
URI: https://dspace.lboro.ac.uk/2134/17399
Publisher Link: http://dx.doi.org/10.1002/app.41448
ISSN: 0021-8995
Appears in Collections:Published Articles (Materials)

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