16 Super water-retainer hydrogels: Crosslinked acrylamide/succinic acid copolymers

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

Title: Super water-retainer hydrogels: Crosslinked acrylamide/succinic acid copolymers

Source: POLYMER JOURNAL, 29 (8): 631-636 1997

Language: English

Document Type: Article

Author Keywords: acrylamide-succinic acid; hydrogel; swelling

Keywords Plus: BOVINE SERUM-ALBUMIN; CROSS-LINK DENSITY; CATIONIC DYES; AQUEOUS-SOLUTIONS; DRUG DELIVERY; ADSORPTION; POLYMERS; N-VINYL-2-PYRROLIDONE; METHACRYLATE; PARAMETERS

Abstract: Super water-retainer hydrogels in the rod form were prepared by copolymerization of acrylamide and succinic acid monomers with gamma radiation. Swelling took place in water at 25 degrees C and was followed by weighing. The influence of dose and relative content of succinic acid on the swelling properties, diffusional behavior of water, diffusion coefficients and network properties of hydrogel systems were examined. Acrylamide/succinic acid hydrogels were swollen in the range of 750-960%, while polyacrylamide hydrogels at 650-700%. Water diffusion into hydrogels was non-fickian type diffusion. Diffusion coefficients of acrylamide/succinic acid hydrogels were calculated by the short time approximation as 4.6 x 10(-7)-7.9 x 10(-7) cm(2)s(-1).

Addresses: HACETTEPE UNIV,DEPT CHEM,TR-06532 ANKARA,TURKEY

Reprint Address: Saraydin, D, CUMHURIYET UNIV,DEPT CHEM,TR-58140 SIVAS,TURKEY.

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Cited Reference Count: 59

Times Cited: 12

Publisher: SOC POLYMER SCIENCE JAPAN

Publisher Address: TSUKIJI DAISAN NAGAOKA BLDG, 2-4-2 TSUKIJI, CHUO-KU, TOKYO 104, JAPAN

ISSN: 0032-3896

29-char Source Abbrev.: POLYM J

ISO Source Abbrev.: Polym. J.

Source Item Page Count: 6

Subject Category: POLYMER SCIENCE

ISI Document Delivery No.: XY119