2021
DOI: 10.3390/polym14010102
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Bio-Based Rigid Polyurethane Foams Modified with Phosphorus Flame Retardants

Abstract: Rigid polyurethane foams (RPURF) containing a bio-polyol from rapeseed oil and different phosphorus-based flame retardants were obtained. Triethyl phosphate (TEP), dimethyl propane phosphonate (DMPP) and cyclic phosphonates Addforce CT 901 (20 parts per hundred polyol by weight) were used in the synthesis of RPURF. The influence of used flame retardants on foaming process, cell structure, and physical–mechanical properties as well as flammability of RPURF were examined. The addition of flame retardants influen… Show more

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Cited by 19 publications
(12 citation statements)
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“…The introduction of AD to the system resulted in an increase in CO release and a reduction in CO 2 , which resulted in a significant increase in the CO/CO 2 ratio compared to the reference foam. A similar effect was also observed in previous studies [ 61 ]. For foams containing 20 wt.% of AD, the TSR, TSP values, as well as the CO/CO 2 ratio were significantly higher than for unmodified foams and foams containing 10 wt.% of AD.…”
Section: Resultssupporting
confidence: 91%
See 1 more Smart Citation
“…The introduction of AD to the system resulted in an increase in CO release and a reduction in CO 2 , which resulted in a significant increase in the CO/CO 2 ratio compared to the reference foam. A similar effect was also observed in previous studies [ 61 ]. For foams containing 20 wt.% of AD, the TSR, TSP values, as well as the CO/CO 2 ratio were significantly higher than for unmodified foams and foams containing 10 wt.% of AD.…”
Section: Resultssupporting
confidence: 91%
“…The increase of the AD content increases the emission of smoke, as well as the CO/CO 2 ratio compared to unmodified foam. This is the result of the action of AD in the gas phase inhibiting the radical reactions, resulting in more incompletely burned fragments in the foam [ 61 , 62 ].…”
Section: Resultsmentioning
confidence: 99%
“…At the same, the thermally stable metal oxides in SS increased the char layer’s thermal resistance. With growing interest in sustainable development policy worldwide, recent study by Marcin Zemla et al 233 synthesized bio-polyol from rapeseed oil (RO). RPUF was formed with these RO and incorporated with varied phosphorus-based FRs such as cyclic phosphonates (CT901), triethyl phosphate (TEP), and dimethyl propane phosphate (DMPP).…”
Section: Fr For Rpufmentioning
confidence: 99%
“…The introduction of ball milling cellulose changed the mechanical properties of composites from brittle to semirigid . Zemła and colleagues developed flame-retardant rigid PUF using rapeseed oil, demonstrating the material’s excellent heat stability with an oxygen index above 21 vol % . Meanwhile, Ren et al synthesized PUF by reacting carboxymethyl chitosan with PU prepolymer, achieving an impressive adsorption capacity of 118.2 mg/g and 97.1% removal of methylene blue .…”
Section: Introductionmentioning
confidence: 99%