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Flame-retarding materials—I. Syntheses and flame-retarding property of alkylphosphate-type polyols and corresponding polyurethanes

✍ Scribed by Ping-Lin Kuo; Jo-Ming Chang; Tzong-Liu Wang

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
227 KB
Volume
69
Category
Article
ISSN
0021-8995

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✦ Synopsis

In this research, oligomeric polyalkyl phosphate-type polyols ( P% Å 14 -17 ) were synthesized from ethylene glycol or 1,4-butanediol ( PBE or PBB ) by means of butyl phosphorodichloridate, which was prepared from phosphorus oxychloride and butanol. These polyols were then reacted with isocyanate to form the corresponding polyurethanes ( PETD and PBTD ) . These polyols were characterized by FTIR, 1 H-NMR, and 31 P-NMR, and the thermal stabililties were measured by thermogravimetry analysis. The degradation phenomena were traced by FTIR and interpreted in terms of the degradation and formation of bonds. The corresponding polyurethanes were also characterized by FTIR and 1 H-NMR, and their thermal stability was also studied by thermogravimetry analysis.

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