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Synthesis of Heterocyclic pendant on poly( vinyl alcohol) | ||
| journal of al-qadisiyah for pure science(quarterly) | ||
| Article 1, Volume 15, Issue 4, 2015, Pages 72-78 PDF (0 K) | ||
| Author | ||
| Entesar Obed.Al-Tamimi | ||
| Abstract | ||
| Reaction of Poly vinyl alcohol(PVA) with adipoly dichloride to produced new ester- acid chloride is very active to react with hydrazine hydride, then the producs treated with 40% Potassium hydroxide(KOH) in Carbon disulphide(CS2) and heated for 6 hours with reflux to yield heterocyclic (3- Thio pyrazole) on PVA. The prepared polymers were identified by FF-IR and H-NMR spectra and some physical properties such as softening armelting points , solubirity , and thermes stability were studied. | ||
| Keywords | ||
| Key Word; pyrazol derivative | ||
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