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The Development of Vapor Permeation Cure (VPC) and Vapor Injection Cure (VIC) Coatings for RIM and SMC Substrates
ISSN: 0148-7191, e-ISSN: 2688-3627
Published February 01, 1985 by SAE International in United States
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Vapor Permeation Cure (VPC) and Vapor Injection Cure (VIC)are foundary resin systems which are built upon polyurethane components which cure almost instantly in the presence of a gaseous tertiary amine catalyst. These processes reduce the amount of time and energy needed to cure foundary cores and molds.
This paper reviews the development of VPC/VIC systems, and examines the chemistry, the processes, and the properties involved. Advantages of VPC/VIC coatings are also reviewed, including those in the areas of heat-sensitive plastic substrates and increased productivity.