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Title: Natural rubber and butadiene rubber blend using diblock copolymer of isoprene–butadiene as compatibilizer
Authors: Sauvarop Bualek
Yuko Ikeda
Shinzo Kohjiya
Orapin Phaovibul
Pranee Phinyocheep
Krisda Suchiva
Kazunori Utani
Shinzo Yamashita
Mahidol University
Kyoto Institute of Technology
Keywords: Chemistry;Materials Science
Issue Date: 1-Jan-1993
Citation: Journal of Applied Polymer Science. Vol.49, No.5 (1993), 807-814
Abstract: Blends of natural rubber (NR) and butadiene rubber (BR) have been studied with or without diblock copolymers of isoprene–butadiene (BIR). It was found that NR/BR blends displayed the optimal properties at about 4 wt % of BIR from the tensile measurements of NR/BR blends. Increase of molecular weight of BIR resulted in the decrease of tensile properties, but had no significant effect on their hardness. Abrasion resistance of rubber blends containing BIR was about 30% higher than that without BIR. The molecular weight of BIR did not show a remarkable effect on the abrasion index. Differential scanning calorimetry and dynamic mechanical analyses of rubber blends suggested a two‐phase structure even in the presence of BIR. © 1993 John Wiley & Sons, Inc. Copyright © 1993 John Wiley & Sons, Inc.
ISSN: 10974628
Appears in Collections:Scopus 1991-2000

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