## Abstract This study investigates the improved swelling behavior of chitosan/poly(acrylic acid) complex by solvent (methanol, ethanol, and acetone) extraction. The complex is developed by photoinitiated freeβradical polymerization of acrylic acid in the presence of chitosan. The swelling ratio of
Hydrogels based on modified chitosan, 1. Synthesis and swelling behavior of poly(acrylic acid) grafted chitosan
β Scribed by Mehrdad Yazdani-Pedram; Jaime Retuert; Raul Quijada
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 110 KB
- Volume
- 201
- Category
- Article
- ISSN
- 1022-1352
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## Abstract Potassium persulfate (K~2~S~2~O~8~) was used to initiate the polymerization of acrylic acid (AA) monomer in a chitosan (CS) solution. Both a poly(acrylic acid) (PAA) homopolymer and a CSβ__co__βPAA copolymer were produced. When the amount of AA was increased from 5 to 40 g with 5 g of C
Water-soluble chitosan with a 50% deacetylation degree was prepared according to the literature. The mixtures of water-soluble chitosan and poly(acry1ic acid) (PAA) in water was studied by various experimental techniques, such as viscometry, potentiometry, and transmittance measurements. The results