pH and anion sensitive silver(I) coordinated melamine hydrogel with dye absorbing properties: metastability at low melamine concentration

被引:55
作者
Bairi, Partha [1 ]
Roy, Bappaditya [1 ]
Nandi, Arun K. [1 ]
机构
[1] Indian Assoc Cultivat Sci, Polymer Sci Unit, Kolkata 700032, W Bengal, India
关键词
2-COMPONENT THERMOREVERSIBLE HYDROGEL; PHASE-TRANSITION; GELS; PHOTOLUMINESCENCE; ENHANCEMENT; RIBOFLAVIN; ORGANOGELS; COMPLEXES; BEHAVIOR; GELATION;
D O I
10.1039/c1jm11994j
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Ag(I)-melamine coordination polymer produces a metastable hydrogel at 1 : 1 molar ratio but 1 : 2 molar ratio produces a stable gel which has the helical fibrillar morphology, the ability of selective dye absorption and is highly sensitive to pH and addition of anions.
引用
收藏
页码:11747 / 11749
页数:3
相关论文
共 42 条
[1]   Self-assembling tripeptide based hydrogels and their use in removal of dyes from waste-water [J].
Adhikari, Bimalendu ;
Palui, Goutam ;
Banerjee, Arindam .
SOFT MATTER, 2009, 5 (18) :3452-3460
[2]   Bicomponent Hydrogels of Lumichrome and Melamine: Photoluminescence Property and Its Dependency on pH and Temperature [J].
Bairi, Partha ;
Roy, Bappaditya ;
Nandi, Arun K. .
JOURNAL OF PHYSICAL CHEMISTRY B, 2010, 114 (35) :11454-11461
[3]   Coordination-Polymeric Nanofibers and their Field-Emission Properties [J].
Batabyal, Sudip K. ;
Peedikakkal, Abdul Malik Puthan ;
Ramakrishna, Seeram ;
Sow, Chorng Haur ;
Vittal, Jagadese J. .
MACROMOLECULAR RAPID COMMUNICATIONS, 2009, 30 (15) :1356-1361
[4]   Multistimuli, multiresponsive metallo-supramolecular polymers [J].
Beck, JB ;
Rowan, SJ .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2003, 125 (46) :13922-13923
[5]   Phosphorescent platinum acetylide organogelators [J].
Cardolaccia, Thomas ;
Li, Yongjun ;
Schanze, Kirk S. .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2008, 130 (08) :2535-2545
[6]   THERMAL-BEHAVIOR OF MELAMINE [J].
COSTA, L ;
CAMINO, G .
JOURNAL OF THERMAL ANALYSIS, 1988, 34 (02) :423-429
[7]   ON THE DEFINITION OF THERMOREVERSIBLE GELS - THE CASE OF SYNDIOTACTIC POLYSTYRENE [J].
DANIEL, C ;
DAMMER, C ;
GUENET, JM .
POLYMER, 1994, 35 (19) :4243-4246
[8]   Water gelation by small organic molecules [J].
Estroff, LA ;
Hamilton, AD .
CHEMICAL REVIEWS, 2004, 104 (03) :1201-1217
[9]   Metal coordination to assist molecular gelation [J].
Fages, F .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2006, 45 (11) :1680-1682
[10]   Entrapment and release of quinoline derivatives using a hydrogel of a low molecular weight gelator [J].
Friggeri, A ;
Feringa, BL ;
van Esch, J .
JOURNAL OF CONTROLLED RELEASE, 2004, 97 (02) :241-248