Elaboration and Grafting of Cold Plasma Organo-Phosphorus Copolymers on Polyamide 6: New Approach to Flame Retardancy

Errifai, I.; Jama, Charafeddine; Delobel, René; Jaeger, Roger De; Mazzah, Ahmed

doi:10.1080/15421400801921942

Cited by 8 publications

(10 citation statements)

References 22 publications

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“…The latter are desired to replace halogen products due to their environmental‐friendly properties [3]. Halogen‐free flame retardants for PA6 include red phosphorus, [5, 6] melamine‐based products, [7, 8] organically phosphorus‐containing flame retardant, [9, 10] magnesium hydroxide, [11, 12] etc. Recently, many researchers pay more attention to polymer/clay nanocomposites which is believed to be one of the most promising approaches in flame retardance [13–16].…”

Section: Introductionmentioning

confidence: 99%

Intumescent flame retardation of melamine‐modified montmorillonite on polyamide 6: Enhancement of condense phase and flame retardance

Fang

et al. 2010

Polymer Engineering & Sci

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Melamine‐modified montmorillonite (MA‐MMT) was prepared via cation exchange. The intercalation behavior was investigated by Fourier transform infrared spectrometer (FT‐IR), X‐ray photoelectron spectroscopy (XPS), and X‐ray diffraction (XRD). The results showed that the d‐spacing value increased from 1.25 nm for Na‐montmorillonite (Na+MMT) to 1.53 nm for MA‐MMT. Different kinds of montmorillonite combined with melamine pyrophosphate (MPP) were used to prepare flame‐retardant polyamide 6 (FR‐PA6). Flame retardance of FR‐PA6 samples was investigated by limiting oxygen index (LOI), UL‐94 vertical burning method, and cone calorimeter test. Morphology and component of char residues for FR‐PA6 were investigated by scanning electron microscope (SEM) and XPS. It was found that MA‐MMT/MPP system contributed both excellent flame retardance and anti‐dripping ability for PA6. MA‐MMT particles can fill flaws of char residues and strengthen the char layer, leading to form more intumescent char layer. POLYM. ENG. SCI., 2011. © 2010 Society of Plastics Engineers

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Section: Introductionmentioning

confidence: 99%

Intumescent flame retardation of melamine‐modified montmorillonite on polyamide 6: Enhancement of condense phase and flame retardance

Fang

et al. 2010

Polymer Engineering & Sci

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“…In stage II, the carbon chains broke, and the main volatile products were styrene and a little water. The residues were carbonaceous char and some phosphorus compounds such as polyphosphoric acid and pyrophosphoric acid 28–31…”

Section: Resultsmentioning

confidence: 99%

Preparation and properties of transparent copolymers based on cyclotriphosphazene and styrene as potential flame‐retardant optical resins

Guo

Ming

et al. 2011

J of Applied Polymer Sci

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Transparent copolymers composed of hexa (allyl 4-hydroxybenzoate) cyclotriphosphazene (compound 1) and styrene as potential halogen-free, flame-retardant optical resins were prepared by radical copolymerization. The thermal performances of the cured resins were studied with thermogravimetric analysis; the decomposition mechanism of the copolymers was investigated with integrated thermogravimetry-Fourier transform infrared analysis. Compared with conventional polystyrene, the synthesized copolymers exhibited a higher refractive index and a higher thermal stability both under nitrogen and air atmospheres at elevated temperature, and the visible-light transmittance of the copolymers decreased slightly. With increasing ratio of compound 1 to styrene in the copolymers, the onset decomposition temperature and the char yield both increased gradually.

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“…[22] Up to now, different ways have been studied to allow the deposition of phosphorus coatings such as electrochemical treatment, [23] chemical grafting and copolymerisation, [3,4,24] chemisorption routes, [25] sol-gel methods, [26][27][28] plasma-induced graft-polymerisation. [5][6][7][8]29] Few works are reported in the literature regarding the plasma deposition of organophosphorus layers at lowpressure by plasma-enhanced chemical vapour deposition (PECVD). [20,21,30,31] Besides, plasma polymerisation of organophosphorus compounds has not been performed yet at atmospheric pressure and could be a great matter of interest in polymer chemistry and biology for next years.…”

Section: Introductionmentioning

confidence: 99%

Plasma Deposition of an Organophosphorus Coating at Atmospheric Pressure

Hilt

Duday

Ghérardi

et al. 2013

Plasma Processes & Polymers

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Plasma polymerisation of an organophosphorus monomer in atmospheric pressure‐dielectric barrier discharge was studied. Phosphate‐based molecules were introduced as a vapour into a nitrogen plasma at atmospheric pressure and a phosphorus‐containing coating was obtained. Scanning electron microscopy and ellipsometry revealed the morphology of the coating while Fourier transform infrared spectroscopy and X‐ray photoelectron spectroscopy indicated a hybrid organic–inorganic coating containing phosphate, organophosphate and different N‐containing groups. The new polymer structure of the coating was highlighted by secondary ion mass spectrometry.

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Elaboration and Grafting of Cold Plasma Organo-Phosphorus Copolymers on Polyamide 6: New Approach to Flame Retardancy

Cited by 8 publications

References 22 publications

Intumescent flame retardation of melamine‐modified montmorillonite on polyamide 6: Enhancement of condense phase and flame retardance

Intumescent flame retardation of melamine‐modified montmorillonite on polyamide 6: Enhancement of condense phase and flame retardance

Preparation and properties of transparent copolymers based on cyclotriphosphazene and styrene as potential flame‐retardant optical resins

Plasma Deposition of an Organophosphorus Coating at Atmospheric Pressure

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