| 发明名称 |
IMPROVED CELLULOSE ETHER AND ITS MANUFACTURE |
| 摘要 |
A process for making a cellulose ether (eg HEC) having improved bioresistance is provided. The process consists of two stages, in a first stage cellulose is etherified in the presence of a boron containing compound to an MS value in the range 0.6 to 1.3; in a second stage the product of the first stage is etherified to an MS value in the range 1.6 to 3.0. |
| 申请公布号 |
WO8807059(A1) |
申请公布日期 |
1988.09.22 |
| 申请号 |
WO1988EP00160 |
申请日期 |
1988.03.03 |
| 申请人 |
UNION CARBIDE BENELUX N.V. |
发明人 |
HUYBRECHTS, SERGE;DETEMMERMAN, ALFONS;DE POOTER, JOZEF;BLYWEERTT, RUDDY, EDUARD |
| 分类号 |
C08B11/02;C08B11/08;(IPC1-7):C08B11/08 |
主分类号 |
C08B11/02 |
| 代理机构 |
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