发明名称 |
A melamine-coated ammonium polyphosphate and a process for producing the same |
摘要 |
<p>A melamine-coated ammonium polyphosphate exhibiting properties of having no hygroscopicity, being difficultly soluble in water and difficultly susceptive of hydrolysis is provided and further a process for producing a melamine-coated ammonium polyphosphate having the above properties and also being powdery even when it is not ground is provided, the above powdery, melamine-coated ammonium polyphosphate being characterized in that melamine is added and/or adhered onto the particle surface of a powdery, ammonium polyphosphate expressed by the formula <CHEM> wherein n represents an integer of 20 or more, and a process for producing a powdery, melamine-coated ammonium polyphosphate being characterized in that melamine is sublimated and added and/or adhered onto the particle surface of a powdery ammonium polyphosphate.</p> |
申请公布号 |
EP0614936(B1) |
申请公布日期 |
2000.05.31 |
申请号 |
EP19940103258 |
申请日期 |
1994.03.04 |
申请人 |
CHISSO CORPORATION |
发明人 |
FUKUMURA, CHIKASHI;IWATA, MASUO;NARITA, NORIAKI;INOUE, KOUJI;TAKAHASHI, RYOJI |
分类号 |
C01B25/40;C08K9/04;(IPC1-7):C08K9/04 |
主分类号 |
C01B25/40 |
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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