依法登记的发明
USH1824H Vapor deposition of a thin polymer film on solid propellant rocket grain
surface
失效
固体推进剂火箭颗粒表面上的薄聚合物膜的蒸汽沉积
- 专利标题： Vapor deposition of a thin polymer film on solid propellant rocket grain surface
- 专利标题（中）： 固体推进剂火箭颗粒表面上的薄聚合物膜的蒸汽沉积
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申请号： US912969申请日： 1997-08-01
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公开(公告)号： USH1824H公开(公告)日： 1999-12-07
- 发明人: Paul T. Johnsen , Alfred O. Smith , Robert B. Dillinger
- 申请人： Paul T. Johnsen , Alfred O. Smith , Robert B. Dillinger
- 申请人地址： DC Washington
- 专利权人： The United States of America as represented by the Secretary of the Navy
- 当前专利权人： The United States of America as represented by the Secretary of the Navy
- 当前专利权人地址： DC Washington
- 主分类号： B05D7/24
- IPC分类号： B05D7/24 ; C06B21/00 ; C06B45/12 ; C23C16/00
摘要：
A thin film of ignition inhibitor is applied uniformly to a rocket propelt grain which may be large and have a complex shape. The film is applied by condensation and polymerization of a vaporized monomer to which the grain is subjected. The monomer is prepared by thermally cracking the dimer of paraxylylene or a halogenated paraxylylene derivative.
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