| 摘要 |
PROCESS FOR CONTROLLING THE COMPOSITION OF SOLUTION(S) FOR THE MANUFACTURE OF CELLULOSIC MOULDINGS, IN WHICH(a) CELLULOSE PULP AND AN AMINOXIDE CONTAINING WATER ARE MIXED, WITH THE FORMATION OF SUSPENSION, (b) A CELLULOSE SOLUTION IS FORMED FROM THE SUSPENSION UNDER THE EVAPORATION OF WATER, (c) A FIRST PROPERTY OR PHYSICAL BEHAVIOUR OF THE CELLULOSE SOLUTION FORMED IS MEASURED, AND THE MEASURED VALUE IS USED FOR A CORRECTION OF THE COMPOSITION OF THE SOLUTION, AND (d) THE CELLULOSE SOLUTION IS EXTRUDED THROUGHAN AIR GAP INTO AQUEOUS PRECIPITATION BATH AND THERE ARE COAGULATES TO FORM MOULDINGS, WHICH CAN UNDERGO FURTHER PROCESSING, WHEREIN A SECOND PROPERTY OF THE SPINNING SOLUTION FORMED, DIFFERING FROM THE FIRST PROPERTY, IS MEASURED IN STAGE (c), THE ACTUAL COMPOISITION OF THE SOLUTION IS CALCULATED FROM THE MEASURED VALUES OF THOSE PROPERTIES, AND THEIR DERIVATION FROM A REFERENCE COMPOSITION IS USED FOR REGULATING THE COMPOSITION OF THE SOLUTION.
|
