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Triflic Acid
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I know this thread has been inactive for 12 years, but is there any way of converting the spandex polymer, which is made from THF, back to THF?
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ArbuzToWoda
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Where did you get the information that spandex is made of THF? It's an urethane containing polymer, look at the attachment.
edit: now I see what you meant, but I wouldn't expect there to be such a way. Spandex structure doesn't have any tetrahydrofuran-like rings at all.
[Edited on 19-11-2020 by ArbuzToWoda]
[Edited on 19-11-2020 by ArbuzToWoda]
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SHADYCHASE54
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If anyone in canada requires THF, DMC, glacial acetic acid, toluene and or acetone etc.. I can give you a company name that will ship to individuals
without issue. I ordered 4l THF a few years back , the company was a reseller for a chem supply company out east. Prices are reasonable and product is
pure. Also they are not a chemical supply company themselves. Just figured I'd offer so long as you don't plaster their name all over SM.
[Edited on 21-11-2020 by SHADYCHASE54]
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zed
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The Furfural link at the beginning of this discussion, no longer links to a Furfural Synthesis.
This is the correct link: http://www.orgsyn.org/demo.aspx?prep=CV1P0280
Furfural to the Carboxylic Acid: http://www.orgsyn.org/demo.aspx?prep=CV1P0276
The Carboxylic acid to Furan: http://www.orgsyn.org/demo.aspx?prep=CV1P0274
[Edited on 3-12-2020 by zed]
[Edited on 3-12-2020 by zed]
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