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Absorption spectrum of common plastic polymers

I am looking for data regarding absorption spectrum of common used plastic polymers, in the range of 200- 1.000 nm Moreover, I am looking for inorganic or organic compounds, which can be mixed ...
Francesco's user avatar
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12 votes
1 answer
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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 ...
Emma Richardson's user avatar
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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?
Justin O'Brien's user avatar