The reaction was carried out in a 2-liter reactor equipped
with mechanical stirrer. CMC and sodium alginate in various
weight ratios (Na-Alg/CMC = 0.14, 0.33, 0.54, 1.0,
1.86, and 3.0) were dissolved in 30 ml distilled water
(WNa-Alg + WCMC = 1g). The reactor was placed in a water
bath present at 70 C. The mixture of CMC and Na-Alg
was stirred for 30 min at 70 C to achieve a homogeneous
solution. Then, APS initiator was added to the mixture.
The mixture was continuously stirred for 15 min. After adding
APS, MBA was added to the solution. Gelatin was
observed after 10–15 min. The reaction product was
allowed to cool to ambient temperature. Ethanol (200 ml)
was added to the gelled product while stirring. After complete
dewatering for 24 h, the product was filtered, washed
with fresh ethanol and dried at 50 C to constant weight.
The reaction was carried out in a 2-liter reactor equippedwith mechanical stirrer. CMC and sodium alginate in variousweight ratios (Na-Alg/CMC = 0.14, 0.33, 0.54, 1.0,1.86, and 3.0) were dissolved in 30 ml distilled water(WNa-Alg + WCMC = 1g). The reactor was placed in a waterbath present at 70 C. The mixture of CMC and Na-Algwas stirred for 30 min at 70 C to achieve a homogeneoussolution. Then, APS initiator was added to the mixture.The mixture was continuously stirred for 15 min. After addingAPS, MBA was added to the solution. Gelatin wasobserved after 10–15 min. The reaction product wasallowed to cool to ambient temperature. Ethanol (200 ml)was added to the gelled product while stirring. After completedewatering for 24 h, the product was filtered, washedwith fresh ethanol and dried at 50 C to constant weight.
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