| 发明名称 |
Porous spherical cellulose acetate particles |
| 摘要 |
Cellulose acetate is formed into porous, spherical particles, having an acetylation degree of 49 to 60%, a particle diameter of 0.05 to 10 mm, a sphericity of 0.7 or larger, a pore volume of 0.4 cc/g or larger and a collapsing strength of 9 kg or higher.
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| 申请公布号 |
US4663447(A) |
申请公布日期 |
1987.05.05 |
| 申请号 |
US19850693944 |
申请日期 |
1985.01.23 |
| 申请人 |
DAICEL CHEMICAL INDUSTRIES, LTD. |
发明人 |
YAMAZAKI, KAZUHIRO;UCHIDA, MANABU |
| 分类号 |
B01J20/28;C08J3/14;C08J9/16;C08J9/28;(IPC1-7):B32B5/14;B32B5/16;B32B9/00;C08B3/06 |
主分类号 |
B01J20/28 |
| 代理机构 |
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代理人 |
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