کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1389493 982887 2006 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Crosslinked carboxymethylchitosan-g-poly(acrylic acid) copolymer as a novel superabsorbent polymer
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آلی
پیش نمایش صفحه اول مقاله
Crosslinked carboxymethylchitosan-g-poly(acrylic acid) copolymer as a novel superabsorbent polymer
چکیده انگلیسی

A novel carboxymethylchitosan-g-poly(acrylic acid) (CMCTS-g-PAA) superabsorbent polymer was prepared through graft polymerization of acrylic acid onto the chain of carboxymethylchitosan and subsequent crosslinking. It was demonstrated by FTIR spectroscopy that acrylic acid had been graft polymerized with carboxymethylchitosan. The thermal stability of the polymer was characterized by thermogravimetric analysis. By studying the swelling ratio of the polymer synthesized under different conditions, optimization conditions were found for a polymer with the highest swelling ratio. The rate of water absorption of the polymer was high, and the swelling of the polymer fitted the process of first dynamics. The swelling ratio of the polymer was pH-dependent.

Carboxymethylchitosan-g-poly (acrylic acid) (CMCTS-g-PAA) superabsorbent polymer was prepared. Their structures and properties were characterized. The optimization conditions to the synthesized polymer with highest swelling ratio were found.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Carbohydrate Research - Volume 341, Issue 7, 22 May 2006, Pages 887–896
نویسندگان
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