发明名称 |
Method for the production of micropowders from cellulose ethers or cellulose |
摘要 |
A method for the production of micropowders from cellulose ethers or cellulose comprising (a) subjecting a cellulose ether or a cellulose having a fine-fiber, cottony or woolly structure to a consolidation or embrittlement sufficient whereby in one mill pass through a jet mill under standard conditions 98% by weight of the consolidated or embrittled material charged is recovered as a powder of less than 100 mu , and (b) subjecting the consolidated or embrittled material to a grinding step producing a size reduction sufficient that a grain size distribution with at least 90% by weight of less than 125 mu is attained.
|
申请公布号 |
US4415124(A) |
申请公布日期 |
1983.11.15 |
申请号 |
US19810309379 |
申请日期 |
1981.10.07 |
申请人 |
HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN |
发明人 |
CARDUCK, FRANZ-JOSEF;RAEHSE, WILFRIED;WUEST, WILLI;PABEL, HANS |
分类号 |
C08B11/00;B02C21/00;B29K1/00;C08J3/12;(IPC1-7):B02C7/00;B02C19/06 |
主分类号 |
C08B11/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|