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US5321057A Ammonium polyphosphate microencapsulated with aminoplastic resins 失效
用氨基树脂微胶囊化的聚磷酸铵

Ammonium polyphosphate microencapsulated with aminoplastic resins
摘要:
Ammonium polyphosphate having the general formula (I):(NH.sub.4).sub.n+2 P.sub.n O.sub.3 n+1 (I)microencapsulated with condensation compounds obtained by polymerizing pominic compositions essentially constituted by derivatives of 2,4,6-triamino-1,3,5-triazine having the general formula (II): ##STR1## with aldehyde, preferably formaldehyde.
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