Synthesis, characterization, and properties of co-poly(ether-urethane-urea)s containing lariat cryptand 22: Li+ harvesting polymers

被引：1
|
作者：
Mallakpour, Shadpour [1 ,2 ]
Rafiemanzelat, Fatemeh [3 ]
Zolfigol, Mohammad Ali [4 ]
Salehi, Peyman [5 ]
Yang, Ding Yah [6 ]
机构：
[1] Isfahan Univ Technol, Organ Polymer Chem Res Lab, Dept Chem, Esfahan 8415683111, Iran
[2] Isfahan Univ Technol, Nanotechnol & Adv Mat Inst, Esfahan 8415683111, Iran
[3] Univ Isfahan, Organ Polymer Chem Res Lab, Dept Chem, Esfahan 8174673441, Iran
[4] Bu Ali Sina Univ, Fac Chem, Hamadan 6517838683, Iran
[5] Shahid Beheshti Univ, Dept Phytochem, Med Plants & Drugs Res Inst, Tehran, Iran
[6] Tunghai Univ, Dept Chem, Taichung 40704, Taiwan
来源：
POLYMER BULLETIN | 2011年 / 67卷 / 04期
关键词：
Poly(ether-urethane-urea)s; Cryptands; Polyethylene glycol; Ion absorption selectivity; CONDUCTIVITY; ELECTROLYTES; IONS; TRANSPORT;
D O I：
10.1007/s00289-010-0394-7
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
In this work, some segmented poly(ether-urethane-urea)s (PEUUs) containing aza crown ether (cryptand) were prepared and characterized. These polymers were synthesized via the reaction of kryptofix 22 with 2 mol excess of 4,4'-methylene-bis-(4-phenylisocyanate) (MDI), and different molecular weights of polyethylene glycols (PEGs). Morphology, thermal, and complexation properties of these polymers were studied by Fourier-transform infrared spectroscopy (FT-IR), differential scanning calorimetry (DSC), thermal gravimetric analysis (TGA), atomic absorption spectroscopy (AAS), and solid state NMR (S-NMR). The data confirmed complexation ability of these polymers for Li+ ion absorption and revealed the effect of Li+ ion complexation on the morphology and thermal behavior of the PEUUs.
引用
收藏
页码：553 / 569
页数：17
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