All Questions
2
questions
12
votes
1
answer
2k
views
If polyethylene glycol (PEG) is hygroscopic, how does it protect wood?
Archaeologists and conservators use polyethylene glycol (PEG) to replace water inside wood to protect it from shrinking and expanding with changes in humidity. But it is hygroscopic—even more so than ...
- 121
0
votes
1
answer
190
views
Is there a way to liquefy a super absorbent polymer without using salt?
I understand that once a SAP absorbs a liquid it becomes a type of gel and that this gel can be liquefied by applying salt, are there other methods to liquefy this gel without using salt?
