Transcription of Measurement of Glass Transition Temperatures by Dynamic ...
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1 RH100RH100 Measurement of Glass Transition Temperatures by Dynamic Mechanical Analysis and RheologyKeywords: DMA, Thermal, Rheology, Glass Transition , TgBACKGROUNDT ransitions in polymeric materials provide invaluable information about the material. This information is often used for quality control, predicting product performance, and informing processing conditions or heat history . When heating a polymer from the glassy state it transitions from a hard and brittle material to a softer rubbery material with more viscous properties. This is the Glass Transition . Think of polycarbonate, polyethylene terephthalate, or polyvinyl chloride polymers for examples of a glassy polymer at room temperature.
conditions or heat history. When heating a polymer from the glassy state it transitions from a hard and brittle material to a softer rubbery material with more viscous properties. This is the glass transition. Think of polycarbonate, polyethylene terephthalate, or polyvinyl chloride polymers for examples of a glassy polymer at room temperature.
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