Hopefully someone will find this a trivially simple query to 
answer. More related to electronics than rockets, but more 
chemists on ARocket ... .

If a sheet of Polycarbonate is heated to around it's glass 
transition temperature as part of a heat laminating process 
is this liable to have significant effects on its subsequent 
mechanical properties compared to a sheet that was not 
heated or one heated to say 100C. Temperature involved is 
about 150 C which is very close to quoted glass transition 
temperatures for PC. AF GT temp varies with rate of cooling 
from melt it could be either side of 150C in a given case.

It seems that this is not necessarily a bad thing [tm] but 
nothing I've read tells me enough.
An obvious starting point


        http://en.wikipedia.org/wiki/Glass_transition_temperature



            Russell


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