Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Khalifah A. Salmeia"'
Publikováno v:
Molecules, Vol 28, Iss 16, p 6097 (2023)
Organophosphorus chemicals are versatile and important in industry. Trivinylphosphine oxide (TVPO), for example, exhibited a promising precursor as a flame-retardant additive for industrial applications. Density functional theory (DFT) simulations we
Externí odkaz:
https://doaj.org/article/3e12342b158641dab9f66cca6c835d86
Autor:
Dambarudhar Parida, Khalifah A. Salmeia, Amin Sadeghpour, Shanyu Zhao, Anjani K. Maurya, Khaleel I. Assaf, Eva Moreau, Robin Pauer, Sandro Lehner, Milijana Jovic, Hirsch Cordula, Sabyasachi Gaan
Publikováno v:
Materials & Design, Vol 201, Iss , Pp 109494- (2021)
A simple one-pot synthesis process for functionalized mesostructured silica nanoparticles (MSNP) is reported. The novel process demonstrated the possibility to achieve MSNP with a surface area up to 501 m2.g−1 using a phosphonate based nonsilane pr
Externí odkaz:
https://doaj.org/article/de8cf0c8a9404042add4df0e2c851a42
Autor:
Aurelio Bifulco, Dambarudhar Parida, Khalifah A. Salmeia, Sandro Lehner, Rolf Stämpfli, Hilber Markus, Giulio Malucelli, Francesco Branda, Sabyasachi Gaan
Publikováno v:
Composites Part C: Open Access, Vol 2, Iss , Pp 100022- (2020)
Silica-epoxy nanocomposites were prepared via an “in-situ” sol-gel synthesis process and a phosphorus (P) flame-retardant i.e. 6H-dibenz[c,e][1,2]oxaphosphorin,6-[(1-oxido-2,6,7-trioxa-1-phosphabicyclo[2.2.2]oct-4-yl)methoxy]-, 6-oxide (DP) and m
Externí odkaz:
https://doaj.org/article/c419ad9291ba44eebce32f0c8cf65e39
Autor:
Aurelio Bifulco, Dambarudhar Parida, Khalifah A. Salmeia, Rashid Nazir, Sandro Lehner, Rolf Stämpfli, Hilber Markus, Giulio Malucelli, Francesco Branda, Sabyasachi Gaan
Publikováno v:
Materials & Design, Vol 193, Iss , Pp 108862- (2020)
The effect of the addition of additives such as melamine (Mel), silica nanoparticles and a phosphorus-based compound, i.e. 3-(6-oxidodibenzo[c,e][1,2]oxaphosphinin-6-yl)propenamide (DA), on the fire and mechanical performance of a bisphenol A diglyci
Externí odkaz:
https://doaj.org/article/6da9d874ba774e7792d607ff2d72471d
Publikováno v:
Polymers, Vol 7, Iss 3, Pp 504-526 (2015)
The latest techniques used to prove, describe and analyze the gas phase activity of a fire retardant used in polymeric materials are briefly reviewed. Classical techniques, such as thermogravimetric analysis or microscale combustion calorimetry, as w
Externí odkaz:
https://doaj.org/article/85c64950337642f1aae87144cba17793
Insight into the Synthesis and Characterization of Organophosphorus-Based Bridged Triazine Compounds
Autor:
Khalifah A. Salmeia, Antonia Neels, Dambarudhar Parida, Sandro Lehner, Daniel Rentsch, Sabyasachi Gaan
Publikováno v:
Molecules, Vol 24, Iss 14, p 2672 (2019)
In this article, we report the synthesis of 2,4,6-substituted s-triazine-based organophosphorus compounds via a two-step process, which enables their production in high yields, and with a high purity as solids. In the first step, a Michaelis−Arbuzo
Externí odkaz:
https://doaj.org/article/7694810af3494180ba21cac4e13ed4ad
Some Key Factors Influencing the Flame Retardancy of EDA-DOPO Containing Flexible Polyurethane Foams
Autor:
Agnieszka Przystas, Milijana Jovic, Khalifah A. Salmeia, Daniel Rentsch, Laurent Ferry, Henri Mispreuve, Heribert Perler, Sabyasachi Gaan
Publikováno v:
Polymers, Vol 10, Iss 10, p 1115 (2018)
The role of various additives (emulsifier, anti-dripping agent) and formulation procedures (pre-dispersion of solid additives in polyol via milling) which influence the flame retardancy of 6,6′-[ethan-1,2-diylbis(azandiyl)]bis(6H-dibenzo[c,e][1,2]o
Externí odkaz:
https://doaj.org/article/15a56d588d7949b7b3f5282f1f3498bd
Publikováno v:
Polymers, Vol 10, Iss 7, p 740 (2018)
Synthesis of intermediate containing P(O)-Cl bonds is the key to converting P(O)-H bonds to P(O)-N. In this work we have performed chlorination reactions of different H-phosphinates and H-phosphonates using N-chlorosuccinimide as an environmentally-b
Externí odkaz:
https://doaj.org/article/457b96cae9104db282e33bea964fc1c1
Publikováno v:
Materials, Vol 10, Iss 7, p 784 (2017)
Organophosphorus compounds containing P-C bonds are increasingly developed as flame retardant additives due to their excellent thermal and hydrolytic stability and ease of synthesis. The latest development (since 2010) in organophosphorus flame retar
Externí odkaz:
https://doaj.org/article/36dad843f0a340f19ee4842bf375540d
Publikováno v:
Polymers, Vol 8, Iss 9, p 319 (2016)
This paper aims at updating the progress on the phosphorus-based flame retardants specifically designed and developed for fibers and fabrics (particularly referring to cotton, polyester and their blends) over the last five years. Indeed, as clearly d
Externí odkaz:
https://doaj.org/article/3c49ae7637e94543bdff44c96c1f34af