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2005•Journal of Radiation Research and Radiation ProcessingRequires access

Preparation of CS/PAAc copolymer hydrogel with irradiation method and characterization of its swelling properties

Li‐Ming Yang, Lili Shi, Chen Jie, Sheng Wang, Zhang Zhende, Yiben Xia

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Abstract

Chitosan/poly(acrylic acid) (CS /PAAc) copolymer hydrogel was prepared by E-beam irradiation of mixed aqueous solution of chitosan and acrylic acid. The effect of pH, composition and irradiation dose on the equili- brated swelling ratio of the hydrogels was determined. Experimental results show that the hydrogels swelled well in both lower pH (pH≈1) and higher pH (pH6), however, they shrunk in the range of pH 2—5.

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What this paper is about

Chitosan/poly(acrylic acid) (CS /PAAc) copolymer hydrogel was prepared by E-beam irradiation of mixed aqueous solution of chitosan and acrylic acid. The effect of pH, composition and irradiation dose on the equili- brated swelling ratio of the hydrogels was determined. Experimental results show that the hydrogels swelled well in both lower pH (pH≈1) and higher pH (pH6), however, they shrunk in the range of pH 2—5.

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Available abstract

Chitosan/poly(acrylic acid) (CS /PAAc) copolymer hydrogel was prepared by E-beam irradiation of mixed aqueous solution of chitosan and acrylic acid. The effect of pH, composition and irradiation dose on the equili- brated swelling ratio of the hydrogels was determined. Experimental results show that the hydrogels swelled well in both lower pH (pH≈1) and higher pH (pH6), however, they shrunk in the range of pH 2—5.

Key concepts: Self-healing hydrogels, Copolymer, Swelling, Chitosan, Acrylic acid, Irradiation, Aqueous solution, Materials science

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