N-alkylacrylamide copolymers;
bile acids;
thermosensitive polymers;
D O I:
10.1016/S0032-3861(02)00868-6
中图分类号:
O63 [高分子化学(高聚物)];
学科分类号:
070305 ;
080501 ;
081704 ;
摘要:
Copolymers of N-alkylacrylamides with acrylamide or methacrylamide derivatives of cholic acid have been prepared to obtain copolymers with desired thermosensitivity and enhanced hydrophilicity. The thermosensitivity of these copolymers depends on their chemical composition as studied by microcalorimetry, differential scanning calorimetry and UV-visible spectroscopy. The lower critical solution temperature and the enthalpy change of the phase separation process of the copolymers in water decreased with increasing content of the bile acid residues in the polymers. (C) 2002 Elsevier Science Ltd. All rights reserved.
机构:Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Quim Organ, Lab Biocatalisis, Ciudad Univ,Pabellon 2,Piso 3,C1428EGA, RA-1428 Buenos Aires, DF, Argentina
Antonela Zigolo, M.
Garcia Linares, Guadalupe
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机构:Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Quim Organ, Lab Biocatalisis, Ciudad Univ,Pabellon 2,Piso 3,C1428EGA, RA-1428 Buenos Aires, DF, Argentina
Garcia Linares, Guadalupe
Baldessari, Alicia
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机构:
Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Quim Organ, Lab Biocatalisis, Ciudad Univ,Pabellon 2,Piso 3,C1428EGA, RA-1428 Buenos Aires, DF, ArgentinaUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Quim Organ, Lab Biocatalisis, Ciudad Univ,Pabellon 2,Piso 3,C1428EGA, RA-1428 Buenos Aires, DF, Argentina
机构:
Univ Madras, Dept Polymer Sci, Guindy Campus, Chennai 25, Tamil Nadu, IndiaUniv Madras, Dept Polymer Sci, Guindy Campus, Chennai 25, Tamil Nadu, India
Ezhumalai, Nishanthi
Nanthagopal, Manivannan
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Univ Madras, Ctr Adv Studies Bot, Guindy Campus, Chennai 25, Tamil Nadu, IndiaUniv Madras, Dept Polymer Sci, Guindy Campus, Chennai 25, Tamil Nadu, India
Nanthagopal, Manivannan
Chandirasekar, Shanmugam
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机构:
Anna Univ, Dept Chem, Chennai 25, Tamil Nadu, IndiaUniv Madras, Dept Polymer Sci, Guindy Campus, Chennai 25, Tamil Nadu, India
Chandirasekar, Shanmugam
Elumalai, Manikandan
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Univ Madras, Dept Polymer Sci, Guindy Campus, Chennai 25, Tamil Nadu, IndiaUniv Madras, Dept Polymer Sci, Guindy Campus, Chennai 25, Tamil Nadu, India
Elumalai, Manikandan
Narayanasamy, Mathivanan
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Univ Madras, Ctr Adv Studies Bot, Guindy Campus, Chennai 25, Tamil Nadu, IndiaUniv Madras, Dept Polymer Sci, Guindy Campus, Chennai 25, Tamil Nadu, India
Narayanasamy, Mathivanan
Singaravelu, Ganesan
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机构:
Anna Univ, Dept Med Phys, Chennai 25, Tamil Nadu, IndiaUniv Madras, Dept Polymer Sci, Guindy Campus, Chennai 25, Tamil Nadu, India
Singaravelu, Ganesan
Rajendiran, Nagappan
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Univ Madras, Dept Polymer Sci, Guindy Campus, Chennai 25, Tamil Nadu, IndiaUniv Madras, Dept Polymer Sci, Guindy Campus, Chennai 25, Tamil Nadu, India