Metal Replacement Opportunities for Urethane Systems
1981; American Chemical Society; Linguagem: Inglês
10.1021/bk-1981-0172.ch006
ISSN1947-5918
Autores Tópico(s)Polymer crystallization and properties
ResumoFor the past fifteen years polyurethanes have played an important role in the automotive industry. Up until 1975 that role was confined primarily to flexible foam for automotive seating and semi-rigid filler foam for instrument panels. The combined market for these two applications came to over 400 M lbs. in 1979. In 1975, with the introduction of reaction injection molded (RIM) polyurethane elastomeric fascia for the Chevrolet Monza 2+2 and the corresponding Buick Skyhawk and Oldsmobile Starfire, a significant new automotive market opened up for polyurethanes. For the first time polyurethanes were making a major inroad into replacing external metal in automobiles. RIM elastomeric fascia were developed to meet damage-ability regulations. It was not long, however, before it became necessary to lower the weight of automobiles in order to reduce gasoline consumption. This drive to lower weight has spawned many new developments, the primary purpose of which is to replace
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