PREPARATION, PROPERTIES AND COMPLEX-FORMATION ABILITY OF POLY(ETHER-ESTER)S OF POLY(ETHYLENE GLYCOL)S AND 2,6-PYRIDINEDICARBOXYLIC ACID

被引:13
作者
IGNATOVA, M
MANOLOVA, N
RASHKOV, I
SEPULCHRE, M
SPASSKY, N
机构
[1] BULGARIAN ACAD SCI,INST POLYMERS,BIOACT POLYMERS LAB,BU-1113 SOFIA,BULGARIA
[2] UNIV PARIS 06,URA 24,CHIM MACROMOLEC LAB,F-75252 PARIS 05,FRANCE
关键词
D O I
10.1002/macp.1995.021960820
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Poly(ether-ester)s of poly(ethylene glycol)s (PEGs) and 2,6-pyridinedicarboxylic acid (PDA) were synthesized by polycondensation of PDA and PEG in the presence of dicyclohexylcarbodiimide and dimethylaminopyridine and by polycondensation of acyl chloride of PDA and PEG in the presence of triethylamine at 45 degrees C. The polymers were characterized by CPC, UV, iR and H-1 and C-13 NMR spectroscopy. The complex formation between poly(acrylic acid) (PAA) or poly(methacrylic acid) (PMA) and the poly(ether-ester)s was studied. It occurs below the critical polyether chain length necessary for complex formation because of the stabilizing effect of the PDA hydrophobic residues.
引用
收藏
页码:2695 / 2708
页数:14
相关论文
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