Flame Retardant Effect of a Modified Intumescent Flame Retardant on a Rigid Polyurethane Foam

Pei Bang Dai; Lin Ying Yang; Ting Zheng; Chang Qin; Qi Chen Tang

doi:10.4028/www.scientific.net/KEM.748.51

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Flame Retardant Effect of a Modified Intumescent Flame Retardant on a Rigid Polyurethane Foam
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 748Flame Retardant Effect of a Modified Intumescent...

Flame Retardant Effect of a Modified Intumescent Flame Retardant on a Rigid Polyurethane Foam

Abstract:

A rigid polyurethane (PU) flame retardant composite foam was prepared by the compounding of polyols and diisocyanates with a modified intumescent flame retardant (MIFR). The MIFR was based on the three components of intumescent flame retardant normally used and was modified in a surfactant TX-10 solution. The flame retardancy of the PU flame retardant composite foams were evaluated by using the limiting oxygen index (LOI), the UL-94 (vertical flame) test and scanning electron microscopy (SEM). When MIFR was fixed at 20.0 wt% in PU/MIFR composite foams, the MIFR could enhance the flame retardancy and pass V-0 rating of UL-94 test. The microstructures observed by SEM demonstrate that a suitable amount of MIFR can promote formation of compact intumescent charred layers in PU foams.

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Periodical:

Key Engineering Materials (Volume 748)

Pages:

51-54

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.748.51

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Online since:

August 2017

Authors:

Pei Bang Dai*, Lin Ying Yang, Ting Zheng, Chang Qin, Qi Chen Tang

Keywords:

Composite, Intumescent Flame Retardant, Polyurethane

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* - Corresponding Author

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