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2007•Journal of Huaihai Institute of TechnologyRequires access

Condensation Reaction of Chitosan with Phenylacetaldehyde

Tianlin Zhang

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Abstract

Schiff base can absorb metal ions of waste water.It has been synthesized by condensation of chitosan with phenylacetaldehyde.The orthogonal design has been employed to study the reaction conditions,including temperature,time,pH and reacting substances.The optimum reaction condition is as follows: n(chitosan's polymer unit)/n(phenylacetaldehyde)= 1∶6,pH=10,reaction time 2.0h,pH value 10,and the reaction temperature 80℃.The yield of Schiff base could reach 90.99% and its structure was determined by IR.

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Schiff base can absorb metal ions of waste water.It has been synthesized by condensation of chitosan with phenylacetaldehyde.The orthogonal design has been employed to study the reaction conditions,including temperature,time,pH and reacting substances.The optimum reaction condition is as follows: n(chitosan's polymer unit)/n(phenylacetaldehyde)= 1∶6,pH=10,reaction time 2.0h,pH value 10,and the reaction temperature 80℃.The yield of Schiff base could reach 90.99% and its structure was determined by IR.

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Available abstract

Schiff base can absorb metal ions of waste water.It has been synthesized by condensation of chitosan with phenylacetaldehyde.The orthogonal design has been employed to study the reaction conditions,including temperature,time,pH and reacting substances.The optimum reaction condition is as follows: n(chitosan's polymer unit)/n(phenylacetaldehyde)= 1∶6,pH=10,reaction time 2.0h,pH value 10,and the reaction temperature 80℃.The yield of Schiff base could reach 90.99% and its structure was determined by IR.

Key concepts: Phenylacetaldehyde, Condensation reaction, Schiff base, Yield (engineering), Chitosan, Chemistry, Condensation, Metal ions in aqueous solution

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