发明名称 |
Porous inorganic materials |
摘要 |
A particulate porous material suitable for use as a high surface area column packing material comprises particles substantially all of which are not smaller than 5 micrometers and not larger than 1 millimeter in diameter, and each particle is in the form of a substantially cellular body and consists predominantly of an open, three-dimensional matrix of crystals of mullite which define between them interconnecting pores having a width in the range of from 5 nanometers to about 2 micrometers. The particles can be coated with a reactive layer. There is also disclosed a process for producing the particulate porous material wherein a particulate product comprising particles substantially all of which are between 5 micrometers and 1 millimeter in diameter and consisting predominantly of a mixture of mullite crystals and silica is treated with a concentrated aqueous solution of an alkali metal hydroxide at a temperature of at least 50 DEG C.; and the treated particulate product is then washed, dewatered and dried. The particulate porous material may be used as a packing material for a chromatographic or ion exchange column, or for performing biochemical separations, and is particularly useful for immobilizing biological components such as biological macromolecules or biological cells.
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申请公布号 |
US4826789(A) |
申请公布日期 |
1989.05.02 |
申请号 |
US19870022944 |
申请日期 |
1987.03.06 |
申请人 |
ECC INTERNATIONAL LIMITED |
发明人 |
JONES, THOMAS R.;GOULD, CARYL |
分类号 |
C01B33/26;B01J20/16;B01J39/14;B01J47/00;C01B33/38;D21H17/68;(IPC1-7):C04B38/04;C12N5/00;C12N11/14 |
主分类号 |
C01B33/26 |
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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