6KOHEI O, YUKIHIRO S Y, MICHIO I. Resin compositions containing halogen-free fire proofing agents[P]. Jpn Kokai Tokkyo Koho JP: 9667768,1996 - 03 - 12.
7ROBERTO C, ROBRETO O, ENRICO M, et al. Self-extinguishing thermoplastic resin/aminoplast microencapsulated ammonium polyphosphate compositions[ P]. Eur Pat Appl EP: 544352,1993 - 07 - 02.
8MICHIO I, YUKIHIRO Y, MOTOI T, et al. Ammonium polyphosphates modified by hydrophobic silic as fireproofing agents [P]. Jpn Kokai Tokkyo Koho JP:08134455,1996- 05- 28.
9LABUSCHAGNE F J, FOCKE W W, SRRYDOM C A. Metal catalyzed intumewscent fkame retardant system[J]. Polym Mater Sci Eng, 2000, 83:108 - 109.
