The purpose of this paper is to describe the development of polycarbonate resins for various automotive applications. To accomplish this the polycarbonate materials will be divided into three categories. The first part will discuss unmodified and reinforced polycarbonate; then binary blends of polycarbonate with other polymers will be treated and finally some new polymer blends that provide significant property improvements will be described. Polycarbonate is a unique material that combines excellent impact strength, weatherability and heat resistance with transparency. Initial uses were based on these characteristics but there were also limitations. Stress cracking on exposure to some automotive fluids, reduced ductility at low temperatures and creep at elevated temperatures excluded polycarbonate from several exterior parts. These limiting characteristics can be overcome by reinforcement or blending with other polymers. Through these techniques the versatility of polycarbonate in meeting the varied automatove requirements has been increased. This will be demonstrated by examining several applications in more detail.
Evolution of polycarbonate for automotive applications
Die Entwicklung von Polycarbonaten im Automobilbau
SAE-Papers ; 1-8
1983
8 Seiten, 12 Tabellen
Conference paper
English
Evolution of Polycarbonate for Automotive Applications
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