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 AKTIENGESELLSCHAFT |
发明人 |
EICHINGER, DIETER, DR.;MAENNER, JOHANN;ASTEGGER, STEFAN, DR.;WEINZIERL, KARIN, DR.;HINTERHOLZER, PETER, DIPL.-ING.;ZIKELI, STEFAN, ING.;FIRGO, HEINRICH, DR.;WOLSCHNER, BERND, DR. |