f**********f
发帖数: 155 | 1 got a question when reading a paper:
"After polystryene/toluene spin-coat, it was dried for 4 days at 70 C".
Why it needs such a long baking time, any particular reasons?
A beginner for polymer, thanks for helping out. |
d**a
发帖数: 3715 | 2 Probably some difunctional styrenes or curing points such as epoxy group in
it so that a long baking time is needed to crosslink them thermally. |
s****e
发帖数: 2934 | 3 Your question is about curing or annealing?
【在 f**********f 的大作中提到】
: got a question when reading a paper:
: "After polystryene/toluene spin-coat, it was dried for 4 days at 70 C".
: Why it needs such a long baking time, any particular reasons?
: A beginner for polymer, thanks for helping out.
|
h*********g
发帖数: 78 | |
c****n
发帖数: 134 | 5 To get out most (if not all) residual toluene. It's probably under vacuum.
【在 f**********f 的大作中提到】
: got a question when reading a paper:
: "After polystryene/toluene spin-coat, it was dried for 4 days at 70 C".
: Why it needs such a long baking time, any particular reasons?
: A beginner for polymer, thanks for helping out.
|
r******0
发帖数: 2753 | 6 The reason is it happened to be a long weekend after the spin coating. hehe.
.. Usually, overnight baking is good enough. It also depends on the film
thinkness. |
