In order to set development targets for an ultra scratch resistant automotive coating, a field survey was conducted to identify the types of scratching that occur on automotive body outer panels. The survey results were used to experimentally determine actual loads applied to the paint film. For various crosslinking systems, the relationship between mar resistance and physical properties of the paint film was evaluated using an instrument designed for quantitative scratch evaluation. Evaluation of dynamic viscoelasticity has confirmed that scratch resistance improves at lower Tg and higher crosslinking density.


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    Title :

    Fundamental Study of Ultra Scratch Resistance Coatings


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    SAE 2003 World Congress & Exhibition ; 2003



    Publication date :

    2003-03-03




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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