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http://dx.doi.org/10.12925/jkocs.2008.25.2.6

Physical Properties of Synthetic PU Flame-Retardant Coatings Containing Triphosphorus Modified Polyesters  

Park, Hong-Soo (Department of Chemical Engineering, Myongji University)
Kang, Young-Gu (Department of Chemical Engineering, Myongji University)
Kim, Ji-Hyun (Department of Chemical Engineering, Myongji University)
Hahm, Hyun-Sik (Department of Chemical Engineering, Myongji University)
Keun, Jang-Hyoun (Suji High School)
Publication Information
Journal of the Korean Applied Science and Technology / v.25, no.2, 2008 , pp. 151-159 More about this Journal
Abstract
The flame-retardant coatings were prepared by blending the synthesized triphosphorus modified polyester in the previous paper and hexamethylene diisocyanate-trimer and curing it at room temperature. The characterization of the films of the prepared coatings was performed. It was confirmed that no deterioration of physical properties of PU coatings was observed with the increasing phenylphosphonic acid (PPA) contents. Flame retardancy was tested by a $45^{\circ}$ Meckel burner method and LOI method. With the $45^{\circ}$ Meckel burner method, CATBTP-20C and CATBTP-30C that contain 20 wt% and 30 wt% of PPA, flame retarding component, respectively, showed the first grade flame retardancy with $2.8{\sim}3.9\;cm$ of char length ; and, with LOI method, they exhibited a good flame retardancy as a range of $30{\sim}32%$ of combustion values.
Keywords
PU coatings; flame retardancy; Meckel burner method; LOI method;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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