Academic literature on the topic 'Halogen-free compounds'

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Journal articles on the topic "Halogen-free compounds"

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Wei, Ming, Daniel Murphy, Carol Barry, and Joey Mead. "HALOGEN-FREE FLAME RETARDANTS FOR WIRE AND CABLE APPLICATIONS." Rubber Chemistry and Technology 83, no. 3 (2010): 282–302. http://dx.doi.org/10.5254/1.3525686.

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Abstract Flame retardants play a very important role in avoiding fire risks in wire and cable applications due to heat generation by current or outside sources. Halogen flame retardants are typically used to ensure good flammability. The halogen flame retardants, however, are under close scrutiny because of their potential to give off corrosive compounds when the materials are burned, as well as other safety, environmental, and health issues. For wire and cable industries, halogen-free flame retardant additives, such as nanoclays, nanotubes, aluminium trihydrate, or magnesium hydroxide are pot
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Gusarova, Nina K., Svetlana N. Arbuzova, and Boris A. Trofimov. "Novel general halogen-free methodology for the synthesis of organophosphorus compounds." Pure and Applied Chemistry 84, no. 3 (2012): 439–59. http://dx.doi.org/10.1351/pac-con-11-07-11.

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The use of novel general halogen-free methodology for the synthesis of phosphines, phosphine chalcogenides, and phosphinic acids from elemental phosphorus and alkenes and alkynes in the superbase suspensions is described.
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Assim, K., M. Melzer, M. Korb та ін. "Bis(β-diketonato)- and allyl-(β-diketonato)-palladium(ii) complexes: synthesis, characterization and MOCVD application". RSC Advances 6, № 104 (2016): 102557–69. http://dx.doi.org/10.1039/c6ra22887a.

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Khan, Imad, Nasir Shehzad, Iftikhar Ahmad, Zahid Ali, and S. Jalali-Asadabadi. "First-principle studies of the optoelectronic properties of ASnF3 (A = Na, K, Rb and Cs)." International Journal of Modern Physics B 31, no. 21 (2017): 1750148. http://dx.doi.org/10.1142/s021797921750148x.

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In this paper, we communicate a new type of Auger-free luminescence (AFL) compounds, alkali tin fluorides ASnF3 (A = Na, K, Rb and Cs). The luminescence in these compounds originates due to the electron transition from the top valence band (VB) of tin-[Formula: see text] orbital to the outermost core levels of halogen, i.e., halogen-[Formula: see text] orbital ([Formula: see text]-[Formula: see text] transitions). The AFL of these compounds is expected to be of L-type. Furthermore, the electronic band structures and optical properties such as dielectric functions, refractive index and energy l
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Svatikov, A. Yu, and I. D. Simonov-Emelyanov. "THE THERMAL STABILITY OF POLYMER CABLE COMPOUNDS WITH A FLAME-RETARDING FILLER." Fine Chemical Technologies 13, no. 6 (2018): 35–41. http://dx.doi.org/10.32362/2410-6593-2018-13-6-35-41.

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Currently, halogen-free cable compositions are becoming increasingly common in the manufacture of cable compositions. The concept of halogen-free or “zero halogen” becomes a symbol of fire resistance, low-smoke characteristics, low toxicity of volatile products of combustion, the absence of the toxic, corrosive and irritating gas - hydrogen chloride - and other hydrogen halides in the volatile products. More and more manufacturers of cable products are beginning to pay increasing attention to the problems of processing, toxicity and fire safety. It should be noted that the requirements for imp
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Sun, Binlong, Xiaoyu Tian, Sen Yang, et al. "TBPEH-TBPB Initiate the Radical Addition of Benzaldehyde and Allyl Esters." International Journal of Molecular Sciences 23, no. 22 (2022): 13704. http://dx.doi.org/10.3390/ijms232213704.

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Tert-butylperoxy-2-ethylhexanoate (TBPEH) and tert-butyl peroxybenzoate (TBPB) promote the radical acylation of allyl ester with benzaldehyde to synthesize new carbonyl-containing compounds under solvent-free and metal-free conditions. This reaction is compatible with electron-donating and halogen groups and has excellent atom utilization and chemical selectivity. Furthermore, the synthetic compounds can further apply to the preparation of lactone, piperidine, tetrazole and oxazole.
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Sauerwein, Reiner. "Excellent Flow- and Conveyance- Behaviour, Low Dust Emission and Outstanding Properties of Halogen Free Flame Retardant Compounds Realized by a New Generation of Aluminium-Tri-Hydrate." Polymers and Polymer Composites 11, no. 2 (2003): 203–12. http://dx.doi.org/10.1177/096739110301100202.

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“A new non-post treated fine precipitated aluminium-tri-hydrate quality has been developed, offering the basis for the next generation of halogen free flame retardant compounds. The paper outlines the excellent powder handling properties and the outstanding performance of highly filled polymers” Halogen free flame retardant plastics for cable insulation and sheathing, known as LSFOH (low smoke, free of halogen) compounds became large volume products since the market introduction of fine precipitated aluminium-tri-hydrates (ATH) qualities in the beginning of the 80's. While former ATH improveme
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Barbuceanu, Stefania-Felicia, Elena-Valentina Rosca, Theodora-Venera Apostol, et al. "New Heterocyclic Compounds from Oxazol-5(4H)-one and 1,2,4-Triazin-6(5H)-one Classes: Synthesis, Characterization and Toxicity Evaluation." Molecules 28, no. 12 (2023): 4834. http://dx.doi.org/10.3390/molecules28124834.

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This paper describes the synthesis of new heterocycles from oxazol-5(4H)-one and 1,2,4-triazin-6(5H)-one classes containing a phenyl-/4-bromophenylsulfonylphenyl moiety. The oxazol-5(4H)-ones were obtained via condensation of 2-(4-(4-X-phenylsulfonyl)benzamido)acetic acids with benzaldehyde/4-fluorobenzaldehyde in acetic anhydride and in the presence of sodium acetate. The reaction of oxazolones with phenylhydrazine, in acetic acid and sodium acetate, yielded the corresponding 1,2,4-triazin-6(5H)-ones. The structures of the compounds were confirmed using spectral (FT-IR, 1H-NMR, 13C-NMR, MS) a
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Edis, Haj Bloukh, Abu Sara, Bhakhoa, Rhyman, and Ramasami. "“Smart” Triiodide Compounds: Does Halogen Bonding Influence Antimicrobial Activities?" Pathogens 8, no. 4 (2019): 182. http://dx.doi.org/10.3390/pathogens8040182.

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Antimicrobial agents containing symmetrical triiodides complexes with halogen bonding may release free iodine molecules in a controlled manner. This happens due to interactions with the plasma membrane of microorganisms which lead to changes in the structure of the triiodide anion. To verify this hypothesis, the triiodide complex [Na(12-crown-4)2]I3 was prepared by an optimized one-pot synthesis and tested against 18 clinical isolates, 10 reference strains of pathogens and five antibiotics. The antimicrobial activities of this symmetrical triiodide complex were determined by zone of inhibition
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Mishra, Nikita, and Dilip Vasava. "Recent developments in s-triazine holding phosphorus and nitrogen flame-retardant materials." Journal of Fire Sciences 38, no. 6 (2020): 552–73. http://dx.doi.org/10.1177/0734904120952347.

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Flame retardants are chemical compounds when mixed or incorporated in to polymers provide varying degrees of flammability protection. Flammable polymeric materials are ubiquitous with a wide array of applications. However, recent studies have shown potential environmental and health concerns with certain halogen-containing flame retardants. Thus, it has now become a necessity to explore new and effective materials that are safer and environmentally benign. In this context, halogen-free phosphorus- and nitrogen-containing flame retardants have attracted much attention worldwide. Moreover, s-tri
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Dissertations / Theses on the topic "Halogen-free compounds"

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Мірчук, Ігор Анатолійович. "Підвищення експлуатаційних характеристик суднових кабелів за рахунок технологічних режимів охолодження та радіаційного опромінення електричної ізоляції". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2020. http://repository.kpi.kharkov.ua/handle/KhPI-Press/49276.

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Дисертація на здобуття наукового ступеня кандидата технічних наук (доктора філософії) за спеціальністю 141 "Електроенергетика, електротехніка та електромеханіка" (14 – Електрична інженерія) – Національний технічний університет "Харківський політехнічний інститут", м. Харків, 2020 р. Дисертаційна робота присвячена підвищенню експлуатаційних характеристик суднових кабелів за рахунок технологічних режимів охолодження та радіаційного опромінення ізоляції і оболонки на основі сучасних, які не поширюють полум'я, безгалогенних полімерних композицій, що забезпечують необхідний комплекс електричних, фі
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Book chapters on the topic "Halogen-free compounds"

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Guiry, P. J., and P. J. McCormack. "Reaction with Free Halogen To Form Halotriorganoplumbanes." In Compounds of Group 14 (Ge, Sn, Pb). Georg Thieme Verlag KG, 2003. http://dx.doi.org/10.1055/sos-sd-005-00651.

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Guiry, P. J., and P. J. McCormack. "Reaction with Free Halogen To Form Dihalodiorganoplumbanes." In Compounds of Group 14 (Ge, Sn, Pb). Georg Thieme Verlag KG, 2003. http://dx.doi.org/10.1055/sos-sd-005-00652.

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Bolduc, T. G., B. Thomson, and G. M. Sammis. "2.8 Selective Radical Fluorinations." In Free Radicals: Fundamentals and Applications in Organic Synthesis 2. Georg Thieme Verlag KG, 2021. http://dx.doi.org/10.1055/sos-sd-233-00149.

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AbstractFluorine atoms are found in numerous industrially relevant materials, including pharmaceuticals, agrochemicals, and plastics. In the pharmaceutical industry alone, more than 20% of all therapeutics and a majority of the top-grossing drugs contain fluorine. The ubiquity of fluorinated compounds in industry has necessitated the development of new methods for selective fluorination. Historically, selective fluorination has relied upon electrophilic or nucleophilic processes. Recent breakthroughs in the discovery of mild radical fluorine-transfer reagents have led to a renaissance in selec
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Conference papers on the topic "Halogen-free compounds"

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Mattausch, Hannelore, Stephan Laske, Dieter Hohenwarter, and Clemens Holzer. "The effect of mineral fillers on the rheological, mechanical and thermal properties of halogen-free flame-retardant polypropylene/expandable graphite compounds." In PROCEEDINGS OF PPS-30: The 30th International Conference of the Polymer Processing Society – Conference Papers. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4918526.

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Liu, Fenny, C. T. Yao, Don Son Jiang, Yu Po Wang, and C. S. Hsiao. "Halogen-Free Mold Compound Development for Ultra-Thin Packages." In 2007 Proceedings 57th Electronic Components and Technology Conference. IEEE, 2007. http://dx.doi.org/10.1109/ectc.2007.373927.

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Tao-Chih Chang, Hung-Jen Chang, Chau-Jie Zhan, Jing-Yao Chang, Jia-Wen Fan, and Jung-Hua Chou. "Influence of intermetallic compound on the stress distribution and fatigue life of halogen-free printed circuit board assembly." In 2009 4th International Microsystems, Packaging, Assembly and Circuits Technology Conference (IMPACT). IEEE, 2009. http://dx.doi.org/10.1109/impact.2009.5382135.

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