Surface aesthetics solutions at the forefront at VDI 2013Surface aesthetics solutions at the forefront at VDI 2013
Surface aesthetics are an important aspect of automotive engineering and two areas that will be under the spotlight at the VDI International Conference "Plastics in Automotive Engineering" in Mannheim, Germany taking place on March 13-14 are primerless paintability and the elimination of flow marks, also known as tiger stripes.Borealis (Vienna, Austria) and its group company Borouge (Singapore) will highlight recent developments in this area at their stand (No. 54) at the event.
February 15, 2013
Surface aesthetics are an important aspect of automotive engineering and two areas that will be under the spotlight at the VDI International Conference "Plastics in Automotive Engineering" in Mannheim, Germany taking place on March 13-14 are primerless paintability and the elimination of flow marks, also known as tiger stripes.
Surface enhancement solutions to the fore at VDI Conference.
"In the future, these material solutions will not only enable car manufacturers to achieve defect-free surfaces, but also help them capitalize on the benefits of reduced costs, environmental impact and optimized production cycle times," say the two companies.
Due to their cost reduction potential and sustainable appeal, primerless paint systems for exterior plastic applications are becoming increasingly popular in the industry. Yet at the same time, paint adhesion performance criteria are becoming ever more stringent. As most exterior parts are painted, demands on innovative solutions for improved paint adhesion are increasing.
Driven by the needs of leading OEMs, Borealis has undertaken a major R&D initiative. Core aspects of this initiative include the development of two-layer paintable materials for bumpers and body panels which have been able to withstand tough steam jet conditions in the laboratory environment and Borealis' investment in its own automated paint robot. "The trend is clearly towards the use of primerless paint systems on exterior plastic components to reduce total part costs," emphasizes Jost Eric Laumeyer, Borealis Global Marketing Manager Engineering Applications. "Our aim is to provide cutting-edge polypropylene solutions which offer improved adhesion, and the best way to achieve this is through ongoing and close cooperation with our partners along the entire value chain."
Another Borealis material innovation which is scheduled to become commercialized towards the end of 2013 is a new polypropylene matrix to be used in compounds to address the phenomenon of tiger stripes, a flow mark issue caused by converting processes, and a general problem affecting all thermoplastic materials, including polyolefins. Supported by way of trials carried out with several customers, this Borealis innovation will help avoid tiger stripes within a very broad processing window.
"We have made significant progress on the way to enhancing material performance and creating economic value for our customers," says Harald Hammer, Borealis Vice President Engineering Applications. "We will continue to provide surface aesthetics solutions today for the drivers of tomorrow and look forward to meeting with our customers at the upcoming VDI Conference."
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