|Feb1-12, 09:43 AM||#1|
Heating and Annealing Temp/Times of PMMA and Polypropylene and
The supervisor of my final year physics project has asked me to find the heating and annealing temp/times for PMMA (perspex) and Polypropylene. I've spent a good hour or so looking for them, but I'm not quite sure where to look. I'll be using the PMMA to make a variable-focus lens, and to form the lens i'll be moulding the PMMA between two glass lenses and popping in the oven. I'll be using the Polypropylene as a test run.
Does anyone have any ideas of what the ideal temperatures and times would be, or websites/journals etc that I could find the information?
|annealing, heating, pmma, polypropylene|
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