Approximately four years ago, a new production process for automobile door liners was introduced in Europe. The process consisted of stretching a sheet of unsupported, expanded PVC over the mold cavity. The mold was closed and clamped and a polyurethane structural foam mixture was inejcted by the RIM method through the top half of the mold. The pressure and tempeature of the expanding mixture forced the vinyl to conform to the contours of the cavity thus producing a finished door liner (polyurethane foam/vinyl composite). This process showed promise but had several drawbacks. Over the past two years, cycle times have been reduced to 2 minutes, intricate surface detail has been substituted for the vinyls. These improvements have made it a candidate product for the U.S. auto industry. (Wassmann)


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    Title :

    RIM urethane/vinyl composites as interior trim parts


    Additional title:

    Reaktionsspritzgegossene Urethan-Vinyl-Verbundwerkstoffe als Bauteile fuer die Innenausruestung


    Contributors:
    Mann, M.F. (author)

    Published in:

    Publication date :

    1982


    Size :

    5 Seiten


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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