Cellular Morphology, Peel Strength and Thermal Conductivity for Wood/NR and Expanded EPDM Laminates for Roofing Applications

W. Yamsaengsung; Narongrit Sombatsompop

doi:10.4028/www.scientific.net/AMR.47-50.181

Paper Titles

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Cellular Morphology, Peel Strength and Thermal Conductivity for Wood/NR and Expanded EPDM Laminates for Roofing Applications
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Cellular Morphology, Peel Strength and Thermal Conductivity for Wood/NR and Expanded EPDM Laminates for Roofing Applications

Abstract:

Melt-laminates of wood/NR and expanded ethylene-propylene-diene-rubber (EPDM) were prepared for rubber composite roofs. The ethylene-propylene bound OBSH (EPR-b-OBSH) blowing agent was introduced as an effective blowing agent in the EPDM layer and the foam property results were compared with the pure OBSH blowing agent. It was found that the EPR-b- OBSH gave expanded EPDM layer with a larger number of more uniform cells. The optimum concentration for EPR-b-OBSH blowing agent for achieving the maximum peel strength and for lowering the thermal conductivity of the wood/NR-eEPDM laminate was 3.0phr.