A STUDY OF HOT-STRETCHING TRANSPARENT PLASTICS
LOWELL TECHNOLOGICAL INST RESEARCH FOUNDATION MA
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The effect of hot-stretching parameters on the uniaxial and biaxial orientation, physical properties and optical properties of transparent plastics was investigated. Stretching parameters included draw temperature, rate of drawing, percent stretch and rate of quenching from drawing temperature. Plastics on which complete evaluation of physical and optical properties was made were polystyrene, polycarbonate and MIL-P-8184 polymethyl methacrylate.