Letteratura scientifica selezionata sul tema "Epoxy based intumescent"
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Articoli di riviste sul tema "Epoxy based intumescent":
Vakhitova, Lyubov, Nadiya Taran, Konstantin Kalafat, Volodymyr Bessarabov, Viktor Shologon e Svitlana Pridatko. "FIRE PROTECTIVE EFFICIENCY OF INTUMESCENT TYPE EPOXIDE COATING". JOURNAL of Donetsk mining institute, n. 1 (2021): 143–53. http://dx.doi.org/10.31474/1999-981x-2021-1-143-153.
Hryhorenko, Oleksandr, e Yevheniia Zolkina. "Development and optimization of fire-protective coating composition based on epoxypolymers". Technology audit and production reserves 4, n. 3(60) (31 luglio 2021): 18–20. http://dx.doi.org/10.15587/2706-5448.2021.237982.
Hryhorenko, Oleksandr, Yevheniia Zolkina, Natalia Vyacheslavovna Saienko e Yuri Viktorovich Popov. "Investigation of the Effect of Fillers on the Properties of the Expanded Coke Layer of Epoxyamine Compositions". Materials Science Forum 1038 (13 luglio 2021): 539–46. http://dx.doi.org/10.4028/www.scientific.net/msf.1038.539.
Đỗ, Trung. "Development of an epoxy-based intumescent retardant coatings comprising of different fillers for steel structure". Journal of Military Science and Technology 87 (25 maggio 2023): 70–77. http://dx.doi.org/10.54939/1859-1043.j.mst.87.2023.70-77.
Amir, Norlaili, Faiz Ahmad e Puteri S. M. Megat Yusoff. "Char Strength of Wool Fibre Reinforced Epoxy-Based Intumescent Coatings (FRIC)". Advanced Materials Research 626 (dicembre 2012): 504–8. http://dx.doi.org/10.4028/www.scientific.net/amr.626.504.
Gillani, Qandeel Fatima, Faiz Ahmad, Mohamed Ibrahim Abdul Mutalib e Ezza Syahera. "Thermal Degradation and Char Morphology of HNTs Reinforced Epoxy Based Intumescent Fire Retardant Coatings". Key Engineering Materials 701 (luglio 2016): 83–88. http://dx.doi.org/10.4028/www.scientific.net/kem.701.83.
Cheng, Chen, Yi Wang, Yanling Lu, Shaojie Li, Hua Li, Jun Yan e Shiguo Du. "Bio-based arginine surface-modified ammonium polyphosphate: an efficient intumescent flame retardant for epoxy resin". RSC Advances 12, n. 15 (2022): 9223–37. http://dx.doi.org/10.1039/d1ra09459a.
Luo, Qinqin, Yanchao Yuan, Chunlei Dong, Shumei Liu e Jiangqing Zhao. "Intumescent flame retardancy of a DGEBA epoxy resin based on 5,10-dihydro-phenophosphazine-10-oxide". RSC Advances 5, n. 84 (2015): 68476–84. http://dx.doi.org/10.1039/c5ra11847f.
Pestereva, L., N. Shakirov e Оlga G. Shakirova. "Intumescent Type Fire Retardant Epoxy Coating". Materials Science Forum 992 (maggio 2020): 605–9. http://dx.doi.org/10.4028/www.scientific.net/msf.992.605.
Salasinska, Kamila, Maciej Celiński, Paweł Kozikowski, Michał K. Leszczyński, Monika Borucka e Agnieszka Gajek. "Influence of the Developed Flame Retardant System Based on Renewable Raw Materials on Epoxy Resin Fire Behavior". Materials Science Forum 995 (giugno 2020): 37–42. http://dx.doi.org/10.4028/www.scientific.net/msf.995.37.
Tesi sul tema "Epoxy based intumescent":
Hansupo, Nittaya. "Fundamental aspects of intumescent systems for fire protection of steel structures". Electronic Thesis or Diss., Université de Lille (2018-2021), 2018. http://www.theses.fr/2018LILUR005.
The goal of this PhD work is to get an insight into the mechanisms of action of epoxy based intumescent coating to be able to provide the outlooks for the development of novel systems of higher protection against fire. The intumescent formulation is highly complex system. This work focuses particularly on the key components of which the understanding of the mechanisms of action is still lacking. Firstly, the mechanisms of action of borates were investigated in both chemical and thermo-physical modifications; the combination of the results obtained from different aspects allows drawing its mode of action. On the one hand, borates in particular boric acid have been mentioned to be Carcinogenic, Mutagenic, Reprotoxic (CMR); the substitution of these important intumescent components are necessary. The results point out the important role and high reactivity of zinc (i.e. from zinc borate), this suggests the development of novel systems by incorporating zinc based compound instead of zinc borate. Secondly, the effect of CaCO3 on fire protective properties and its mechanism of action in intumescent coating were examined. The addition of CaCO3 improves the fire protective properties and adhesion/cohesion of the coating and its mechanism of action was fully justified. Additionally, various carbonates (i.e. MgCO3, ZnCO3, Na2CO3, K2CO3) as intumescent ingredient were also examined. The use of MgCO3 as intumescent ingredient is beneficial for the fire protective properties of the coating as well as the use of CaCO3. In this work, the mechanisms of action of borates and carbonates were fully examined. The results suggest the development of novel systems with using the alternative ingredients such as zinc-based compound or MgCO3
Laik, Suzanne. "Investigation of Polyhedral Oligomeric Silsesquioxanes for improved fire retardancy of hybrid epoxy-based polymer systems". Thesis, Lyon, INSA, 2014. http://www.theses.fr/2014ISAL0126/document.
Thermoset polymer composite materials are used in a number of application domains, amongst which the transports sector, but they suffer from poor fire resistance which limits their use for obvious safety and security issues. With the increasingly demanding restrictions from the European Commission, there is a real need to seek for alternative solutions. Recent studies have found the Polyhedral Oligomeric Silsesquioxane (POSS) compounds interesting as fire retardant agents, particularly the POSS bearing phenyl ligands. The present work aimed at investigating how the fire retardancy of hybrid epoxy networks can be improved by incorporating Polyhedral Oligomeric Silsesquioxanes (POSS). In this study, the nature of the epoxy-amine comonomers was varied, as well as the POSS structure. An inert POSS and two multifunctional POSS were selected in order to generate various morphologies. The aim was to answer the question: does a structure-property relationship exist as concerns the fire behaviour of epoxy networks? Particular attention was dedicated to systems containing the trisilanolphenyl POSS (POSSOH) for which different processes of dispersion were implemented. The POSS dispersion state was shown to be greatly influenced by the type of POSS ligands, but also by the epoxy prepolymer nature in the case of the versatile POSSOH. In particular, intricate, never-observed morphologies were discovered in the networks based on Tetraglycidyl(diaminodiphenyl) methane (TGDDM) and containing POSSOH. The study of functional POSS-involving interactions and epoxy-amine kinetics in the model systems revealed the high catalytic power of the combined presence of POSSOH and an aluminium-based catalyst in the model epoxy networks, as well as the occurrence of homopolymerisation. The thermo-mechanical properties were not significantly modified by the addition of POSS. Finally, spectacular improvements in fire retardancy were obtained in some cases, in particular when the POSSOH and the Al-based catalyst were introduced in combination. The fire protection mechanism was attributed to intumescence in the TGDDM-based networks. The addition of POSSOH and the Al-catalyst was found to be efficient in all the epoxy-amine network types, which could not be clearly related to the POSSOH structures but was rather attributed to a chemical synergistic effect
Menard, Raphaël. "Synthèse de retardateurs de flamme phosphorés biosourcés pour résines époxy Synthesis of biobased phosphate flame retardants Synthesis of biobased phosphorus-containing flame retardants for epoxy thermosets Comparison of additive and reactive approaches From bio-based phosphorus-containing epoxy monomer to fully bio-based flame-retarded thermosets Synthesis of new flame-retardants by radical chain transfer copolymerization of glycidyl methacrylate and dimethoxy-phosphorylmethyl methacrylate". Thesis, Montpellier, Ecole nationale supérieure de chimie, 2015. http://www.theses.fr/2015ENCM0013.
The toxicity and the bioaccumumulative character of the usual halogenated flame retardants(RFX) lead to uses restrictions of the main FRX (PBDE) in the EU as REACH. The phosphorus-containing flame retardants (FRP) are suitable for the epoxy thermoset because of their action on the hydroxyl groups. Moreover, the FRP are less toxic than the FRX. With the rise of the biobased epoxy thermosets, the dependence on fossil fuels for the additives synthesis has become problematic. Thus, these works are designed in a sustainable development approach through the valorization of a biobased compound which is representative of the biobased phenolic structures. The directe functionalization of the phloroglucinol with phosphate functions has achieved a first generation of biobased additives FRP which exhibit a significant action in the condensed phase and reduce the heat released during the thermal degradation of the fire retarded thermosets. This effect results in a strong intumescence at macroscopic scale and the expanded residue acts as a barrier and leads to a partial degradation of the thermoset. However, these additives plasticize the thermoset network and reduce the glass and the mechanical transition temperatures. A two-steps functionalization of the phloroglucinol leads to two new biobased FRP, an additive (P3SP) and a reactive (P2EP1SP), with similar chemical structures. We were able to highlight the benefit of the reactive approach which favors the condensed phase action and the intumescence. Moreover, the reactive approach ensures the durability of the flame retarded thermoset properties. Since the reactive approach seems more efficient than the additive one, an other reactive FRP was synthesized, whose the structure was optimized to reduce the plasticizing effect of the phosphorus-containing group. Finally, the study of different 100% biobased phosphorus-containing thermosets highlighted that the disadvantages of the reactive approach may be balanced by the incorporation of a high functionality epoxy precursor or an aromatic curing agent
Atti di convegni sul tema "Epoxy based intumescent":
Aziz, Hammad, Faiz Ahmad, P. S. M. Megat Yusoff e M. Zia-ul-Mustafa. "Fire performance, microstructure and thermal degradation of an epoxy based nano intumescent fire retardant coating for structural applications". In PROCEEDINGS OF THE 23RD SCIENTIFIC CONFERENCE OF MICROSCOPY SOCIETY MALAYSIA (SCMSM 2014). AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4919143.
Kote, Prashant, Magdalen Asare, Sahilkumar Chaudhary, Tim Dawsey e Ram Gupta. "Flame Retardant Polyurethane Foams Using Vegetable Oil-based polyol". In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/iefv6816.