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Phosphorus Ester Containing Mesoporous Silica as Novel High‐Effective Flame Retardant in Polyurethane and Polyester Coatings
Author(s) -
Aytan Emre,
Aytan Tuğçe Akbal,
Kahraman Memet Vezir
Publication year - 2021
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.202100708
Subject(s) - fire retardant , polyurethane , materials science , acrylate , char , thermal stability , polyester , chemical engineering , polymerization , mesoporous material , composite material , organic chemistry , pyrolysis , copolymer , polymer , chemistry , catalysis , engineering
In this study mesoporous silica spheres (MPSs) and polyphosphoric acid based organophosphate ester flame retardant (FR material) material were synthesized and flame retardancy performance in acrylate‐based polyurethanes (PUR) and polyester (PET) resins investigated. For this, both MPSs and FR material were synthesized according to literature and FR material was loaded into MPSs which takes the role of carrier. Loaded MPSs were put into UV curable PUR and PET resins and polymerized under UV radiation. Their characteristics were investigated by FT‐IR, TGA, LOI, SEM and TEM. The results showed that FR material had excellent flame‐retardant abilities for both PUR and PET series. The TGA curves suggested that synthesized FR material shows lower thermal stability at low temperatures than original materials however it showed good ability of char formation at higher temperatures, therefore improving the flame retardant property of samples. Moreover the LOI analysis showed that flame retardancy properties were improved significantly. The additive increased the LOI value from 20 , 5 and 21 to 26 , 5 and 27 .