3D biocomposites for automotive interior parts

The attention and development of composites utilizing natural fibers, targeted at automobile apps, continues to grow from a long-term sustainable point of view. A major motive for choosing natural fibers for new products is that the net contribution to the green house effect is negligible. Equally significant is their minimal weight when compared with glass fibers along with their favourable relation to crash management. According to an advantageous cost/performance ratio, natural fiber based composites have been in use for a long time in automotive interior applications. Well-known instances are door panels based on flax/sisal fibers and polymeric binders like polypropylene (thermoplastic) or polyurethane/epoxy/polyester/phenolic (thermoset). An issue is that the polymeric binder (20-50% by weight) depends on a non- renewable resource, that is crude oil, and that material recycling is challenging and expensive regardless of whether a thermoplastic binder is utilized and that energy recovery isn’t recognized as recycling at the time being….

The objective of this research was to check out the prospect of making a bio-degradable composite using Cellulose Acetate Propionate (CAP) plasticized with TriEthyl Citrate (TEC) as binder matrix polymer in natural fiber based composites focused for automotive interior applications…..

Source: Lulea University of Technology

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