Leonidio Stegmiller,Jose Antonino Alves e Silva Reis,Reinaldo Walmir De Jesus,Liliane Durans de Moraes Costa,Antonio Alberto Ribeiro Fernandes,Erica Dutra Albuquerque,Jeferson da Silva Correa,Mauricio
申请号：
US13890996
公开号：
US09266968B2
申请日:
2013.05.09
申请国别(地区):
US
年份:
2016
代理人:
摘要：
An advantageous and effective process for obtaining carboxymethyl cellulose (CMC) from agro-industrial residues, comprising the steps of a) Preparing the raw material, wherein the raw material is washed, dried, grounded and washed again； b) a pumping step, wherein the product obtained from the step a) is reacted with sodium hydroxide； c) a synthesis step, wherein consists in grounding the pulp； adding a solution of isopropanol and distilled water under stirring at room temperature； adding NaOH aqueous solution up to the alkalization of the mixture； adding monochloroacetic acid in isopropanol； filtrating； suspending in methanol solution and neutralizing with acetic acid. The CMC obtained from the process can be employed in a several industrial processes.
