| 摘要 |
The intention is to reduce the discoloration of cellulose and the breakdown of N-methylmorpholine N-oxide (NMMO) occurring on preparation and heating of a solution of cellulose in water and NMMO. This is achieved according to the invention by the solution containing 0.01 to 1%, preferably 0.1%, of H2O2 and 0.01 to 2%, preferably 0.1%, of a stabiliser for H2O2, preferably oxalic acid or salts thereof. |
| 申请人 |
LENZING AG, LENZING, AT |
发明人 |
EICHINGER, DIETER, DR., A-4840 VOECKLABRUCK, AT;MAENNER, JOHANN, A-4852 WEYREGG, AT;ASTEGGER, STEFAN, DR., A-4840 VOECKLABRUCK, AT;WEINZIERL, KARIN, DR., A-4850 TIMELKAM, AT;HINTERHOLZER, PETER, DIPL.-ING., A-4850 TIMELKAM, AT;ZIKELI, STEFAN, ING., A-4844 REGAU, AT;FIRGO, HEINRICH, DR., A-4840 VOECKLABRUCK, AT;WOLSCHNER, BERND, DR., A-4840 VOECKLABRUCK, AT |
