CONVERSION METHOD

摘要

A PROCESS IS DESCRIBED FOR THE PREPARATION OF WATER-SOLUBLE CELLULOSE HYDROLYSIS PRODUCTS. THE PROCESS COMPRISES ADMIXING CELLULOSE WITH AN IONIC LIQUID CAPABLE OF SOLVATING OR DISSOLVING AT LEAST SOME OF THE CELLULOSE, SAID IONIC LIQUID BEING A COMPOUND COMPRISED SOLELY OF CATIONS AND ANIONS AND WHICH EXISTS IN A LIQUID THE STATE AT A TEMPERATURE AT OR BELOW 150ºC. AND IN WHICH THE ANIONS ARE SELECTED FROM HALIDE AND CYANATE ; AND TREATING THE RESULTING SOLVATE OR SOLUTION WITH AN ACID IN THE PRESENCE OF WATER, SAID ACID HAVING A PKA IN WATER OF LESS THAN 2 AT 25 ºC.