发明名称 |
Cyclic phosphazenes, process for preparing them, flame retardants containing the same as the active ingredient, and resin composition containing and molded articles containing the flame retardants |
摘要 |
The present invention relates to cyclic phosphazenes of general formula (1) wherein Q is a halogen and/or an aryloxy group, and m is an integer of 3 to 10, which are characterized by being substantially free from linear phosphazenes of general formula (2) wherein Q is a halogen and/or an aryloxy group, and n is an integer of 1 to 20 and by having an extremely low content of halogen, and which are appropriate to flame retardants for resins; processes for preparing the same; flame retardants containing the same as an active ingredient; resin compositions containing the cyclic phosphazenes; and molded articles therefrom.
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申请公布号 |
US2004152910(A1) |
申请公布日期 |
2004.08.05 |
申请号 |
US20030479235 |
申请日期 |
2003.12.01 |
申请人 |
FUKUOKA NAOHIKO;YASUDA HEINOSUKE;NISHIMATSU MASAYUKI;OHMAE YOSHINORI |
发明人 |
FUKUOKA NAOHIKO;YASUDA HEINOSUKE;NISHIMATSU MASAYUKI;OHMAE YOSHINORI |
分类号 |
C07F9/6581;C07F9/6593;C08K5/5399;C09K21/12;C09K21/14;(IPC1-7):C07F9/02 |
主分类号 |
C07F9/6581 |
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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