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1. Sort of. (from brittle to "rubbery", never really becomes a liquid before
decomposing)
2. Higher operating temp.
3. Yes.
Bob Dube
-----Original Message-----
From: Hiteshew, Michael <[log in to unmask]>
To: [log in to unmask] <[log in to unmask]>
Date: Wednesday, July 12, 2000 12:11 PM
Subject: [TN] Glass Transition Temperature (Tg) Questions
Hi,
I've been reading up on laminate materials and have some questions
that I hope some-one can help me with:
1. What is the "glass transition" ? What is the glass transitioning from and
to? I'm guessing it's the plastic stage that occurs in a material just
before it melts.
2. What is gained by a higher Tg in tetrafunctional and multifunctional
epoxy-glass?
3. What is meant by the prefixes "tetra" and "multi" as they're applied
here? Is it a reference to the number on bonds in the chemical structure of
the epoxy or glass?
Thanks in advance,
Michael Hiteshew
Lockheed Martin NE&SS-Baltimore
[log in to unmask]
(410) 682-1259
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