Abstract
AbstractThis paper reviews early work done in Japan and leads into recent domestic activities reviewing the current “state of the art.” The authors present original work covering the development of elastomeric PVC compounds for interior and exterior automotive compounds. Compound variations include variations in the molecular weight of the speciality resin component, effect of plasticizer level changes, and the addition of alloying polymers. Physical characteristics such as hardness, specific gravity, torsional modulus, tensile strength, elongation, compression set, and abrasion resistance are measured and reported. Rheology of the compounds are characterized and related to processing ease and compound surface characteristics, smoothness, gloss, etc., and evaluated in light of potential automotive applications. Weatherability for use in automotive exterior trim is discussed.
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