Vanillin-derived phosphorus-containing aromatic imine for flame-retardant polyurethane coating

Mestry, Siddhesh; Borse, Pavan; Patil, Mitesh J.; Vaidya, Swapnil M.; Jadhav, Simran M.; Mhaske, S. T.

doi:10.1007/s13726-022-01065-5

Cited by 10 publications

(2 citation statements)

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“…We also calculated the theoretical LOI values from the char residue percentages obtained at 700 °C according to the following equation: [ 40,41 ]

\begin{equation} \textit{LOI}=17.5+0.4\,x\,\%\,\textit{resi}\textit{due}\hspace*{0.28em}\textit{at}\hspace*{0.28em}{700}^{\circ}C \end{equation}

…”

Section: Resultsmentioning

confidence: 99%

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One‐Step Solvent‐Free Synthesis of Dimer Diamine‐Based Autocatalytic Polyol for the Preparation of Polyurethane Foams

Nasuhoglu,

Çakmakçi,

Kahraman

2024

Macro Materials & Eng

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Herein, this work reports the facile synthesis of a dimer diamine‐based autocatalytic polyol (ACP) and its use in polyurethane foam preparation. The ACP, namely TETRAOL is synthesized in one step, without using solvent, and with 100% atom economy. Additionally, a phosphorous‐modified polyol is synthesized by using 9,10‐dihydro‐9‐oxa‐10‐phosphaphenanthrene‐10‐oxide (DOPO) and castor oil. In this study, all of the polyol components of the foams are of vegetable oil origin, and amine or tin‐based auxiliary catalysts are not used. The structures of the synthesized autocatalytic polyol as well as other bio‐polyols are characterized by Fourier‐transform infrared (FTIR) and Nuclear magnetic resonance (NMR) spectroscopies. The densities, rise and gel time values, and thermal and mechanical properties of the foams are determined and compared to foams prepared by using a petroleum‐based commercial ACP. The bio‐based TETRAOL‐containing foams display comparable densities and improve thermal properties but longer rise and gel time values concerning the foam prepared by using the commercial ACP.

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“…We also calculated the theoretical LOI values from the char residue percentages obtained at 700 °C according to the following equation: [ 40,41 ]

\begin{equation} \textit{LOI}=17.5+0.4\,x\,\%\,\textit{resi}\textit{due}\hspace*{0.28em}\textit{at}\hspace*{0.28em}{700}^{\circ}C \end{equation}

…”

Section: Resultsmentioning

confidence: 99%

“…We also calculated the theoretical LOI values from the char residue percentages obtained at 700 °C according to the following equation: [40,41] LOI = 17.5 + 0.4 x % residue at 700 • C…”

Section: Thermal Properties Of the Polyurethane Foamsmentioning

confidence: 99%