Affiliation:
1. Polyurethane Products Research Laboratory Dow Chemical USA B1470-Texas Division Freeport, TX 77541
2. University of Georgia Department of Chemistry Athens, GA 30602
Abstract
The relationship between the basic chemical reactions and morphology de velopment in polyurethane polymers has been studied extensively. Interactions, such as hydrogen bonding, phase separation and chemical crosslinking, play a major role in the matrix formation of the polymer and have a pronounced effect on its processability and ultimate physical and mechanical properties. These interactions are, to a very large degree, controlled by the stoichiometry, relative reaction rates, inherent solubilities and chemical composition of the starting components, as well as the mixing and metering con ditions. A variety of techniques have been used to study the final polymer; very few are adaptable for the study of the dynamics of the reaction injection molding (RIM) process.
Subject
Materials Chemistry,Polymers and Plastics,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites
Cited by
8 articles.
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