Abstract
Two-component polyurethane flame retardant coatings were prepared using phosphorus-containing lactone modified polyesters (PLMPs) and polyisocyanate. PLMPs were synthesized by poly-condensation of dimethyl phenylphosphonate, a flame retardant component with polycaprolactone, adipic acid, and trimethylolpropane. PLMPs were prepared with dimethyl phenylphosphonate content from 10 to 20 wt%. It was found that various physical properties of these new flame retardant coatings were comparable to non-flame retardant coatings. The flammability of coatings depends strongly on the dimethyl phenylphosphonate content in PLMP. Coatings with 20 wt% dimethyl phenylphosphonate content did not burn in the vertical burning test.
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Dept. of Chem. Eng., Yongin 449-728, Korea.
Ansan 425-110, Korea.
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Park, HS., Kwon, SY., Seo, KJ. et al. Preparation and physical properties of polyurethane flame retardant coatings using phosphorus-containing lactone modified polyesters. Journal of Coatings Technology 71, 59–65 (1999). https://doi.org/10.1007/BF02697979
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DOI: https://doi.org/10.1007/BF02697979