2015
DOI: 10.1021/ie5050549
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A New Strategy for Simultaneously Improved Flame Retardancy, Thermal Properties, and Scratch Resistance of Transparent Poly(methyl methacrylate)

Abstract: A novel poly(methyl methacrylate) (PMMA)-based nanocomposite combined with a reactive flame retardant (tetramethyl (3-(triethoxysilyl) propyl-azanediyl) bis(methylene) diphosphonate (TMSAP)) and organo-modified layered aluminophosphate (OLAP) was synthesized by the sol−gel method. The structure of the nanocomposite achieves maximal integration of both merits of each component, such as silane cross-linking function and dehydration charring effect of TMSAP and physical barrier effect and catalytic-charring effe… Show more

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Cited by 14 publications
(5 citation statements)
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“…The main mechanisms for improving the thermal stability and fire resistance of PMMA nanocomposites are the barrier effects of Cloisite 93A nanoclay, an increase in the mass of the carbon skeleton, an increase in melt viscosity, and gas-phase flame inhibition due to trapping radicals. Cross-linking long polymer chains to form three-dimensional networks is an effective method of improving the mechanical and thermal properties of polymers [ 27 , 28 ]. Phosphorus-containing monomer synthesized in [ 29 ] was introduced into PMMA with radical copolymerization.…”
Section: Introductionmentioning
confidence: 99%
“…The main mechanisms for improving the thermal stability and fire resistance of PMMA nanocomposites are the barrier effects of Cloisite 93A nanoclay, an increase in the mass of the carbon skeleton, an increase in melt viscosity, and gas-phase flame inhibition due to trapping radicals. Cross-linking long polymer chains to form three-dimensional networks is an effective method of improving the mechanical and thermal properties of polymers [ 27 , 28 ]. Phosphorus-containing monomer synthesized in [ 29 ] was introduced into PMMA with radical copolymerization.…”
Section: Introductionmentioning
confidence: 99%
“…At present, the flame retardant modification of PMMA has not yet achieved satisfactory solutions, especially halogen‐free flame retardancy. The required high transparency of PMMA limits the use of most flame retardants, 3 such as ammonium polyphosphate, 4 melamine polyphosphate, 5 melamine cyanurate, aluminum hypophosphite, 6 aluminum hydroxide, 7 and so on. Although some phosphate flame retardants, such as dimethyl methylphosphonate and resorcinol (diphenyl phosphate), have little effect on the transparency, they cannot effectively flame retardant PMMA.…”
Section: Introductionmentioning
confidence: 99%
“…Poly(methyl methacrylate) (PMMA) has high mechanical strength and much lower density than traditional inorganic glass, satisfying people's material requirements 1–3 . Besides that, because of its outstanding optical properties with light transmittance as high as 92%, 4 PMMA has complete applications in construction, optical instruments, aerospace, and so on 4–8 . However, the surface of PMMA tends to accumulate charge and adsorb impurities in the air, due to its low antistatic properties.…”
Section: Introductionmentioning
confidence: 99%