j********h
发帖数: 24 | 1 得到的polymer是什么状态的？白色固体还是粘粘的胶状物？ |
a*i
发帖数: 1652 | 2 Tg should be higher than RT, if it's not oligomer |
d****n
发帖数: 237 | 3 不是，它的Tg应该是19oC。PDMAEMA烘干之后应该是微黄色的固体。 |
d****n
发帖数: 237 | |
a*i
发帖数: 1652 | 5 is the color due to impurities?
【在 d****n 的大作中提到】
: 不是，它的Tg应该是19oC。PDMAEMA烘干之后应该是微黄色的固体。
|
p******4
发帖数: 38 | 6 It depends on the molecular weight of the polymer. If the molecular weight
is low, it can be viscous semiliquid. Otherwise, it is solid.
If the polymer is clean, the yellow color is because of the amino group.
Perform the drying near or above Tg, the product turns to bulk and can have
the light yellow color. |
