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Preparation and characterization of polyurethane flame-retardant coatings using pyrophosphoric lactone-modified polyesters/isophorone diisocyanate–isocyanurate

✍ Scribed by Hong-Soo Park; Dae-Won Kim; Kyu-Hyun Hwang; Byung-Seon Yoon; Jong-Pyo Wu; Jin-Woo Park; Hyun-Sik Hahm; Wan-Bin Im

Publisher
John Wiley and Sons
Year
2001
Tongue
English
Weight
208 KB
Volume
80
Category
Article
ISSN
0021-8995

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Trichloro modified polyester polyols were synthesized by two-step condensation reactions. An intermediate compound was synthesized by the esterification of trichloroacetic acid with trimethylolpropane in the first step. In the next step, polycondensation of the intermediate, 1,4-butanediol and trime