A Comparative Study of Two Polyelectrolyte Complexes

被引：3
作者：
Valdes, Oscar [1 ]
Alexandrova, Larissa [2 ]
Katime, Issa
Zaldivar, Dionisio [1 ]
机构：
[1] Univ La Habana, Ctr Biomat, Havana 10400, Cuba
[2] Univ Nacl Autonoma Mexico, Inst Invest Mat, Mexico City 04510, DF, Mexico
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2012年 / 123卷 / 04期
关键词：
polyelectrolyte complexes; interpenetrating polymer network; sodium alginate; acryloxyethyl-trimethylammonium chloride; 2-hydroxyethyl methacrylate; IN-VITRO; ALGINATE; MEMBRANES; METHACRYLATE); ADHESION; POLYMERS; RELEASE; ACID;
D O I：
10.1002/app.34753
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Interpenetrating polymeric networks (IPNs) based on natural sodium alginate (NaAlg) biopolymer matrix and synthetic hydrophilic polymer were synthesized using sequential method. Poly(acryloxyethyl-trimethylammonium chloride-co-2-hydroxyethyl methacrylate) (poly(Q-co-H)) with high content of quaternary ammonium groups (Q units) was used as a synthetic polymer for the purpose. Since NaAlg has anionic nature and poly(Q-co-H) is a polycation polyelectrolyte complex (PEC) was also prepared via ion interaction between these natural and synthetic components by mixing their water solutions. The all prepared materials were characterized by thermogravimetric analysis (TGA) and Fourier transform infrared spectroscopy (ATR-FTIR). The comparative analysis of IPNs of different compositions was carried out. Behavior of IPNs was also compared to PEC, material obtained via simple ionic interaction between oppositely charged polymers. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 123: 2283-2290, 2012
引用
收藏
页码：2283 / 2290
页数：8
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