Syntheses ofbis (tetrahydrofurfuryl) phosphonopropyl nitrile, 1-methyl-2-bis (tetrahydrofurfuryl) phosphonopropyl nitrile and 0,0-bis (tetrahydrofurfuryl)-2,2,2-trichloro-1-hydroxyethyl-phosphonate as possible flame retardants to cellulose
The reaction ofbis (tetrahydrofurfuryl)-phosphite (1) with acrylonitrile (2), methyl acrylonitirle (4) and chloral (6) gavebis (tetrahydrofurfuryl)phosphonopropyl nitrile (3), 1-methyl-2-bis (tetrahydrofurfuryl)-phosphonopropyl nitrile (5) and 0-0-bis (tetrahydrofurfuryl)-2,2,2-trichloro-1-hydroxyethyl-phosphonate (7) respectively. The reaction of cellulose powder with compounds 3,5 and 7 were studied under different conditions and their fire retardancy properties explained based on the elemental analysis.
Volume 135, 2023
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