Abstract
AbstractAiming to develop a high performance fiber‐reinforced natural rubber (NR), a special technique using electron beam (EB) irradiation‐induced graft‐polymerization was applied to high‐strength polyethylene terephthalate (PET) fibers. Although PET is chemically robust, allyl methacrylate (AMA) could be graft‐polymerized onto the PET fiber surface with this special technique. The composite of NR and grafted‐PET fibers indicated a linear increase in the initial modulus with the fiber content. At the fiber content of 10%, the initial modulus was improved about five times with respect to that of the pure NR, whereas the breaking strength increased by ca. 35% and the breaking strain decreased by ca. 45%. The fiber‐reinforced rubber with a good performance was obtained in the system of NR and grafted‐PET fibers. © 2009 Wiley Periodicals, Inc. J Appl Polym Sci, 2009
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