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http://dx.doi.org/10.7473/EC.2018.53.2.80

Mechanical Property, Thermal Conductivity, Rebound Resilience and Thermal Property of Chloro Isobutylene Isoprene Rubber/Ethylene Propylene Diene Monomer Blend  

Hwang, Young-Bea (R&D Team, Nexen Corp.)
Lee, Won-Ki (Dept. of Polymer Engineering, Pukyong National University)
Park, Chan Young (Dept. of Polymer Engineering, Pukyong National University)
Publication Information
Elastomers and Composites / v.53, no.2, 2018 , pp. 80-85 More about this Journal
Abstract
Chloro isobutylene isoprene rubber (CIIR) and ethylene propylene diene monomer (EPDM) compounded with other formulation chemicals, depending on the polymer blend, were prepared by mechanical mixing. After manufacturing the rubber vulcanizate by compression molding with a hot press, the mechanical and thermal properties including thermal conductivity, rebound resilience of the CIIR/EPDM blends were measured. As the EPDM rubber content increased, hardness and tension set showed a tendency to increase. Pure CIIR exhibited the lowest tensile strength; however, tensile strength increased with loading of EPDM rubber. On the other hand, in CIIR rubber, which is usually a low-rebound elastomer owing to a high damping effect, rebound resilience exhibited an increasing trend as the content of EPDM rubber increased. As the EPDM rubber content increased, thermal stability was improved due to reduction of decomposition rate in the rubber region of the blend vulcanizate.
Keywords
CIIR; EPDM; vulcanizate; thermal conductivity; rebound resilience; thermal property;
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