Chemistry, 04.11.2019 21:31 ciarrap552
What is the "glass transition temperature" of a polymer? how can it be measured? what molecular characteristics determine its value? illustrate by giving the chemical structure and tg for polyethylene, polyvinyl chloride and polystyrene. 2. what is the "glass transition temperature" of a polymer? how can it be measured? what molecular characteristics determine its value? illustrate by giving the chemical structure and tg for polyethylene, polypropylene and polystyrene.
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