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Technical Paper

Polypropylene Copolymer Automotive Canopy Plastic Structure Application

This paper describes modified polypropylene copolymer (PPCP) material for canopy plastic structure in a modular commercial passenger vehicle. This compounded PPCP material has optimized flow behavior, tensile strength, modulus, impact strength, and thermal properties to meet the functional requirements. Material described in this paper is a PPCP compound reinforced with glass fiber and mica filler. The application described in this paper is a canopy plastic structure, which is a structural exterior plastic part. Canopy plastic structure acts as a structural frame to hold vinyl canopy in both sides and tail gate of vehicle. In this paper, PPCP has been explored for canopy plastic structure part against conventional polyamides. Structural durability of the design was validated by virtual engineering. Part design and material combinations with better tooling design iterations were analyzed by using mold flow analysis.