Fillers and Processing Additives for Lightweight Construction Materials
Additives for More Lightweight Plastics
At Fakuma, 3M Deutschland GmbH, Neuss, Germany, together with its subsidiary Dyneon GmbH, Burgkirchen, Germany, is presenting products intended to make plastics more lightweight. They include the uniform 3M Glass Bubbles microspheres, which are mainly used in vehicle components. Thanks to the low density of the additives, they can reduce the weight of plastic parts by up to 30 %, and are claimed to offer advantages in processing and part quality. An engine cover of glass-fiber-reinforced polyamide is presented as a typical application of 3M Glass Bubbles. The use of the microspheres by Pentac Polymer GmbH reduces the weight by 15 %. Thanks to the better flow properties of the material and its reduced cooling time, the injection molding process could simultaneously be optimized by 10 %, according to the manufacturer. As a result, BBP Kunststoffwerk Marbach Baier GmbH was able to manufacture the parts at comparable costs.
3M Dynamar Polymer Processing Additives (PPA), fluoropolymer-based processing additives for plastics processing, are also presented. They are added to polymer production during the extrusion process with the aim of preventing process defects such as die build-up or irregular films (shark skin or interfacial instability). According to the manufacturer, PPA also reduces energy costs by reducing the temperature and pressure, and permits faster color exchange or greater film transparency. The principal applications are multilayer film, for example for the packaging industry. The most widely used applications here are in food packaging.
Translated from Kunststoffe 10/2015, p. 13.
3M Deutschland GmbH
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