17 Influence of some crosslinkers on the swelling of acrylamide crotonic acid hydrogels

Author(s): Karadag, E; Saraydin, D; Guven, O

Title: Influence of some crosslinkers on the swelling of acrylamide crotonic acid hydrogels

Source: TURKISH JOURNAL OF CHEMISTRY, 21 (3): 151-161 1997

Language: English

Document Type: Article

Keywords Plus: CATIONIC DYES; ADSORPTION; GELS

Abstract: Acrylamide-crotonic acid hydrogels in the form of rods are prepared by gamma-irradiation of quaternary mixtures of acrylamide-crotonic acid-crosslinker-water with 2.6 and 5.2 kGy gamma-rays. The influence of the applied dose, the relative content of crotonic acid and crosslinkers such as ethylene glycol dimethacrylate, 1.4 butanediol dimethacrylate and N,N' methylenebisacrylamide on the swelling properties of the gel, the diffusional behaviour of water, the diffusion coefficient: and the network parameters of hydrogel systems are examined. Acrylamide-crotonic acid hydrogels containing various crosslinkers had a maximum swelling in the range 240-850 %. Water diffusion to hydrogels was non-Fickian. The diffusion coefficients varied between 4.6 x 10(-7) and 9.1 x 10(-7) cm(2) s(-1).

Addresses: CUMHURIYET UNIV,DEPT CHEM,TR-58140 SIVAS,TURKEY; HACETTEPE UNIV,DEPT CHEM,TR-06532 BEYTEPE,ANKARA,TURKEY

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Cited Reference Count: 24

Times Cited: 3

Publisher: SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY

Publisher Address: PO BOX 605 YENISEHIR, 06445 ANKARA, TURKEY

ISSN: 1010-7614

29-char Source Abbrev.: TURK J CHEM

ISO Source Abbrev.: Turk. J. Chem.

Source Item Page Count: 11

Subject Category: CHEMISTRY, MULTIDISCIPLINARY; ENGINEERING, CHEMICAL

ISI Document Delivery No.: YE130