For the last few decades PVC-plastisols have been one of the most common process materials in the automotive production used as adhesives, sealants or for various coating processes. A high standard of performance has been reached.But recently raised concerns about chlorine containing substances created in fire and combustion arose search of alternatives to PVC-products.Intensive work led to various possibilities to substitute today's PVC-plastisols by using polymers free of halogens. As a main target, concentration was given to similar technical performance as well as to same easy application as with PVC-plastisols. Although investigations referring to polyurethanes gave excellent technical results the price/performance ratio was rather unacceptable.For some applications plastisols based on pure acrylic ester (co)polymers are very valid substitutes especially for body-in-white purposes. But for paint shop applications the cost for the basic raw material was seen to be too high.A new family of styrene/acrylic copolymers was developed to clear the hurdle of price and to step into plastisol technology. Good technical performance, same simple application as with other plastisols combined with a cost effective polymer seem to characterize the ideal candidate for PVC-free coatings and sealants.With these materials we can contribute considerably to the world's first PVC-free car.


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    Title :

    PVC-Replacements and Multifunctions


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    SAE Automotive Corrosion and Prevention Conference and Exposition ; 1993



    Publication date :

    1993-10-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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