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2003 Roy W. Tess Award

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Conclusions

Mechanical interlocking of topcoat with the nonpolar TPO surface can be achieved through the use of an adhesion promoter, namely a chlorinated poly(olefin). The type of CPO used, in addition to the types of solvents and heat effects used, can substantially influence the degree of adhesion/cohesion obtained within the CPO.TPO system. Heat histories, TPO molding variations, CPO types, including solvent and resin variations, and topcoat (basecoat/clearcoat) chemistries were all found to influence the adhesion/cohesion of the painted TPO assembly.

Surface damage resistance was found to mirror the effects of adhesion as described earlier. Control of the interphase formed between the TPO substrate and the subsequent topcoat layers becomes increasingly important if one wishes to maintain damage resistance within the painted composite. Testing methodology development, namely “gouge” chip, abrasion, and scratch resistance, is paramount in predicting performance under specified loads. Through interpretation of data received in the various testing methodologies, the mechanical properties of the topcoat/substrate combination may be varied to obtain the performance required in a variety of applications.

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Authors
  1. Rose A. Ryntz
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Additional information

The Roy W. Tess Award in Coatings is presented annually by the Division of Polymeric Materials: Science and Engineering (PMSE) in recognition of outstanding contributions to coatings science and technology. Funded by a grant to the Division by Dr. and Mrs. Roy W. Tess, the purpose of the award is to encourage interest and progress in coatings and recognize significant contributions to the field. Dr. Rose Ryntz, Manager and Staff Technical Fellow with Visteon Corporatiom, Dearborn, MI, received the award from Dr. Paul Valint, Jr., Chair of the PMSE Division in September 2003 during the 226th meeting of the American Chemical Society in New York, NY. Dr. Ryntz's award address followed the Award Symposium. The following papers were presented at that symposium.

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Ryntz, R.A. 2003 Roy W. Tess Award. J Coat. Technol. Res. 2, 350–360 (2005). https://doi.org/10.1007/s11998-005-0003-0

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