发明名称 |
LOESNING AV CELLULOSA I VATTEN OCH N-METYL-MORFOLIN-N-OXID. |
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. |
申请公布号 |
FI913375(A0) |
申请公布日期 |
1991.07.11 |
申请号 |
FI19910003375 |
申请日期 |
1991.07.11 |
申请人 |
LENZING AKTIENGESELLSCHAFT |
发明人 |
ASTEGGER, STEPHAN;EICHINGER, DIETER;FIRGO, HEINRICH;HINTERHOLZER, PETER;MAENNER, JOHANN;WEINZIERL, KARIN;WOLSCHNER, BERND;ZIKELI, STEFAN |
分类号 |
C08B16/00;C08B1/00;C08J3/03;C08J3/09;C08L1/00;C08L1/02;D01F2/00;D01F2/02 |
主分类号 |
C08B16/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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