Waste rubber generated from in-process or scrap products has now risen to more than 30 million tons in the world and more than one million tons in Japan. From the viewpoint of protecting the environment and saving resources, recycling of waste rubber has become an important issue in recent years. A new rubber recycling technology to produce a thermoplastic elastomer (TPE) based on ethylene-propylene-diene rubber (EPDM) waste was developed. In this technology, the developed process consists of devulcanization of EPDM waste, blending of the devulcanized EPDM and polypropylene (PP), and dynamic vulcanization of the rubber component. All three are set up in as a continuous process in which the Recycled Rubber based Thermoplastic Elastomer (which is indicated as ''RR-TPE'' henceforth) is finally obtained. The RR-TPE exhibits elasticity and mechanical properties similar to those of commercial Thermoplastic Olefins (TPO). These properties may be due to a suitably formed phase structure. Automotive parts are being developed and are going to be produced with the RR-TPE manufactured by this new technology. This technology will contribute to both protecting the environment and saving resources.


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    Title :

    The technology to produce thermoplastic elastomer based on waste rubber


    Additional title:

    Fertigungstechnologie für thermoplastisches Elastomer auf der Basis von Abfallgummi


    Contributors:
    Tanaka, Y. (author) / Watanabe, T. (author) / Okita, T. (author) / Matsushita, M. (author) / Okamoto, H. (author) / Fukumori, K. (author) / Suzuki, N. (author) / Suzuki, Y. (author)


    Publication date :

    2003


    Size :

    6 Seiten, 1 Tabelle, 8 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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