Journal
POLYMER DEGRADATION AND STABILITY
Volume 97, Issue 9, Pages 1662-1670Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymdegradstab.2012.06.020
Keywords
Click polymerization; Hydrophilic polymers; Water-soluble polymers; Polyesters; Hydrolytic degradation
Categories
Funding
- MICIN (Ministerio de Ciencia e Innovacion) [MAT2009-14053-C02-02]
- Junta de Andalucia of Spain [P07-FQM-02648]
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Click Cu(l)-catalysed polymerization and thermal polyaddition of diynes having ester linkages and 1,4-diazido-1,4-dideoxyerythritol were performed to obtain polyesters containing 1,2,3-triazole rings along the polymer chain. The resulting polyesters had weight-average molecular weights in the 13,000-37,000 range. Thermal studies revealed them to be mainly amorphous and stable up to 250 degrees C under nitrogen. The polymers are hydrophilic, several of them being water-soluble. Degradation studies of a water-soluble prototype polymer showed they are hydrolytically degradable. These studies were carried out at 37 degrees C in doubly distilled water and buffered salt solution at pH 7.4, and were monitored by GPC, and IR and NMR spectroscopies. (C) 2012 Elsevier Ltd. All rights reserved.
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