Flame retardant thiol–ene photocured coatings

Çakmakçı, Emrah; Mülazim, Yusuf; Kahraman, Memet Vezi̇r; Kayaman‐Apohan, Nilhan

doi:10.1016/j.reactfunctpolym.2010.11.011

Cited by 51 publications

(14 citation statements)

References 21 publications

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“…ATPPB was synthesized according to our previous publication . Briefly, triphenyl phosphine (0.0625 mol, 16.395 g) and allyl bromide (0.0685 mol, 8.34 g) dissolved in 70 ml of dry toluene, was charged into 1 l round‐bottom flask.…”

Section: Methodsmentioning

confidence: 99%

Allyl phosphonium salt-modified clay for photocured coatings: Influence on the properties of polyester acrylate-based coatings

2014

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In this study, bentonite clay was modified with a phosphonium salt and this modified clay was used to prepare polyester acrylate based coatings to improve their flame retardancy and mechanical properties. Photocured composites were prepared with 1, 2, and 3 wt% phosphonium salt modified clay and for comparison 1 wt% nonmodified clay containing composites were also prepared. Modified clay displayed good dispersion properties due to its increased basal spacing. Composites were characterized by FT‐IR and XRD measurements. According to XRD results, it was found that the modified clay was exfoliated in the composites. Furthermore, we investigated the effect of allyl phosphonium salt modified clay on the thermal, mechanical, and flame retardant properties of polyester acrylate based composites coatings. When compared with neat clay containing coatings, modified clay containing photocured coatings exhibited increased modulus and enhanced thermal properties due to increased crosslinking density. Moreover, the presence of the phosphonium salt enhanced the flame retardancy of the polyester based coatings. POLYM. COMPOS., 36:946–954, 2015. © 2014 Society of Plastics Engineers

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Section: Methodsmentioning

confidence: 99%

Allyl phosphonium salt-modified clay for photocured coatings: Influence on the properties of polyester acrylate-based coatings

2014

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“…Phosphonate functional groups in the monomer allow the formation of a dense intumescent char layer on the surface, which protects the composite part [60]. These phosphorylated polymers can be prepared from compounds containing phosphonate functional groups (e.g., vinyl phosphonic acid (Figure 3), dialkyl vinyl phosphonates, and vinyl and allyl phosphine oxides) via copolymerization [61,62], or in the case of oligomeric compounds, via grafting [63,64]. Luangtriratana et al developed a vinyl phosphonic acid (VPA) based coating with a flame retardant effect.…”

Section: Flame Retardancymentioning

confidence: 99%

Multifunctional Gelcoats for Fiber Reinforced Composites

Pomázi

Toldy

2019

Coatings

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Achieving special features in polymer composites, such as flame retardancy and thermal and electrical conductivity, often requires the application of different additives, which might negatively affect other properties of the polymer matrix and the composite structure. Furthermore, the application of solid additives in composites produced by liquid transfer moulding can lead to the filtration of the additive by the reinforcement, which causes a non-uniform particle distribution and an uneven performance. An evident solution to address these issues is to apply the additives in a separate layer on the surface of the composite. As in many applications, gelcoats are used to reach appropriate surface quality, a reasonable progression in the composite industry is the development of multifunctional gelcoats. In this article, after a short introduction to gelcoats and their main base materials (unsaturated polyester, epoxy, and others) multifunctional gelcoats are discussed according to their functionality, in particular water resistance, electric conductivity and flame retardancy. Classical and novel gelcoat preparation methods (application by brush and/or roller, spraying, UV-curing, in-mould gelcoating), as well as common defects that occur during gelcoating are discussed. Finally, the testing methods of multifunctional gelcoats are outlined.

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“…To avoid the use of resin, fire‐retardant monomers can be directly polymerized on the surface of the substrate, with phosphorus‐containing monomers attracting interest owing to the ability of phosphorus to promote char formation during combustion with the char thus formed providing a thermal barrier over the underlying substrate . For example, vinyl phosphonic acid (VPA), several dialkyl vinyl phosphonates, and various vinyl and allyl phosphine oxides have been used in this way in copolymers, or as oligomers that react with a polymeric binder to form a branched or grafted phosphorylated polymer . Furthermore, some phosphorus‐containing monomers can be directly grafted or polymerized on textile substrates to give a phosphorylated polymer film; for instance, VPA has been polymerized on finished textiles such as cotton, polyamide, polyacrylonitrile and polyester, via photo‐induced polymerization .…”

Section: Introductionmentioning

confidence: 99%

Intumescent fire‐retardant coatings for plastics based on poly(vinylphosphonic acid): Improving water resistance with comonomers

Williams

Ebdon

Kandola

2019

J of Applied Polymer Sci

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Coatings based on the in situ photopolymerization of vinyl phosphonic acid (VPA) with triallyl cyanurate as a crosslinking agent are shown to be effective not only for fire-protecting glass fiber-reinforced epoxy resin (GRE) composites but also poly(methyl methacrylate) (PMMA), a typical meltable and flammable thermoplastic. Dry adhesion of polyVPA coatings to PMMA surfaces is excellent but, as with coatings on GRE, adhesion following water-soak tests is poor. Copolymerizing VPA with more hydrophobic monomers improves wet adhesion, albeit with some impairment of fire performance, with copolymers of VPA and acrylonitrile giving the best results.

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Flame retardant thiol–ene photocured coatings

Cited by 51 publications

References 21 publications

Allyl phosphonium salt-modified clay for photocured coatings: Influence on the properties of polyester acrylate-based coatings

Allyl phosphonium salt-modified clay for photocured coatings: Influence on the properties of polyester acrylate-based coatings

Multifunctional Gelcoats for Fiber Reinforced Composites

Intumescent fire‐retardant coatings for plastics based on poly(vinylphosphonic acid): Improving water resistance with comonomers

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