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http://dx.doi.org/10.12925/jkocs.2003.20.2.5

Preparation and Flame-Retardant Optimization of PU Coatings Using Pyrophosphoric Modified Polyester/HDI-Biuret  

Shin, Dong-Il (Department of Chemical Engineering, Myongji University)
Publication Information
Journal of the Korean Applied Science and Technology / v.20, no.2, 2003 , pp. 110-117 More about this Journal
Abstract
Pyrophosphoric modified polyesters (TATBs) were synthesized by polycondensation of adipic acid, trimethylolpropane, 1,4-butanediol, and tetramethylene bis(orthophosphate). Two-component PU flame-retardant coatings (TATBCs) were prepared by blending TATBs with HDI-Biuret. Most of the physical properties of the flame-retardant coatings were comparable to those of non-flame-retardant coatings. Coatings containing 10 and 15wt% 1,4-butanediol, TATBC-10C and TATBC-15C were not flammable in the vertical flame-retardancy test.
Keywords
modified polyester; HDI-Biuret; PU coatings; flame-retardancy;
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