期刊
JOURNAL OF POLYMER RESEARCH
卷 28, 期 4, 页码 -出版社
SPRINGER
DOI: 10.1007/s10965-021-02491-4
关键词
Ionic liquid; Crosslinked poly (ester-urethane); Materials
资金
- Ministry of Higher Education and Scientific Research in Tunisia
A new class of materials based on crosslinked poly (ester-urethane) containing low proportions of ionic liquid were synthesized and characterized using various techniques. The study revealed that the degradation of the materials mainly depends on the content of ionic liquid and the degree of crosslinking.
A new class of materials based on crosslinked poly (ester-urethane) containing low proportions of ionic liquid were synthesized using biobased sulfonated oligoester diol, trimethylol propane (TMP), 4,4 '-methylene bis(cyclohexyleisocyanate) (HMDI) and 1-butyle-3-methylimidazolium acetate (BMIMAc). Sulfonated oligoester with a well-controlled molar mass was first obtained by melt polycondensation catalyzed by Ti(OBu)(4). The resulting products were characterized by, (HNMR)-H-1, DSC and MALDI-TOF MS techniques. The systems of crosslinked poly (ester-urethane) and ionic liquid were obtained via a one-shot process. FTIR technical was used for a more effective control of crosslinking reaction. The Thermomechanical analysis of the resulting materials were performed by DSC and DMA technique. Furthermore, the hydrolytic and oxidative degradation study revealed that the degradation of systems mainly depends on the content in ionic liquid and the crosslinking degree of networks.
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