发明申请
- 专利标题: Mullite bodies and methods of forming mullite bodies
- 专利标题(中): 莫来石体和形成莫来石体的方法
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申请号: US10477833申请日: 2003-03-24
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公开(公告)号: US20050115214A1公开(公告)日: 2005-06-02
- 发明人: Chandan Saha , Aleksander Pyzik , Arthur Prunier Jr. , Sten Wallin , Clifford Todd
- 申请人: Chandan Saha , Aleksander Pyzik , Arthur Prunier Jr. , Sten Wallin , Clifford Todd
- 国际申请: PCT/US03/09147 WO 20030324
- 主分类号: F01N3/02
- IPC分类号: F01N3/02 ; B01D39/20 ; B01D53/94 ; B01J21/06 ; C01B33/26 ; C04B26/28 ; C04B35/18 ; C04B35/185 ; C04B35/636 ; C04B35/64 ; C04B38/00 ; F01N3/10 ; F01N3/28
摘要:
A method of forming a porous mullite composition of acicular mullite grains having improved properties is described, where the mullite is formed at some time in the presence of a fluorine containing gas. For example, it has been discovered that improved properties may result from heating the mullite to a high temperature in an atmosphere selected from the group consisting of water vapor, oxygen, an inert gas or mixtures thereof or forming the mullite composition from precursors having an AL/Si ratio of at most 2.95.
公开/授权文献
- US07425297B2 Method of forming mullite bodies 公开/授权日:2008-09-16
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