Glass mat reinforced structural polyurethane foam or low density structural reaction injection molding (LD-SRIM) has found a niche in the manufacture of high quality, light weight, automotive, interior trim substrates. Current trends in the automotive industry indicate the need for cost reductions without sacrificing quality. A high productivity LD-SRIM system has been developed which meets this need. This cost reduction is achieved by the incorporation of an internal mold release agent and a 25 % decrease in demold time compared to current LD-SRIM technology. These technological advancements give the trim component manufacturer an increase in productivity by eliminating the time and labor required to apply external mold release and a shorter demold time. These advancements also provide for a significant reduction in the volatile organic compounds and cost associated with external mold release agents. Using a production model it has been estimated that a 20 % increase in productivity can be achieved with this technology. A comparison of the physical properties of composites made with this system and those of a system currently employed in industry shows that they are very similar.


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    Title :

    Low density structural RIM II: high productivity LD-SRIM


    Additional title:

    Strukturelles RIM niedriger Dichte: LD-SRIM hoher Produktivität


    Contributors:
    Mackey, P.W. (author) / Amato, T.A. (author)

    Published in:

    Publication date :

    1993


    Size :

    5 Seiten, 3 Bilder, 6 Tabellen, 11 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Low Density Structural RIM II: High Productivity LD-SRIM

    Mackey, Paul W. / Amato, T. A. | SAE Technical Papers | 1993


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