Results 41 to 50 of about 15,087 (163)

Synthesis and Characterization of Unsymmetrical Double-Decker Siloxane (Basket Cage)

Molecules, 2019
The one-pot synthesis of an unsymmetrical double-decker siloxane with a novel structure via the reaction of double-decker tetrasodiumsilanolate with 1 equiv.
Rungthip Kunthom, Nobuhiro Takeda, Masafumi Unno   +2 more
doaj   +1 more source

Polyhedral Ferrous and Ferric Siloxanes

Angewandte Chemie, 2004
The synthesis, isolation, and single-crystal X-ray structures of the first polyhedral ferrous and ferric siloxanes suggest that similar synthetic strategies will allow the preparation of other transition-metal siloxane frameworks.
NEHETE, UN, ANANTHARAMAN, G, CHANDRASEKHAR, V, MURUGAVEL, R, WALAWALKAR, MG, ROESKY, HW, VIDOVIC, D, MAGULL, K, SAMWER, K, SASS, B   +9 more
openaire   +4 more sources

trans-Diaquatetrakis(tetrahydrofuran-κO)iron(II) μ-carbonyl-tetradecacarbonyltetrachlorido-μ-dimethylsilanediolato-tetragalliumtetrairon(7 Ga–Fe)(Fe–Fe) tetrahydrofuran tetrasolvate

IUCrData
The title compound, [Fe(C4H8O)4(H2O)2][Fe4Ga4(C2H6O2Si)Cl4(CO)15]·4C4H8O, consists of an iron(II) cation octahedrally coordinated by two water molecules (trans) with four tetrahydrofurans (THF) at equatorial sites.
Mary Elizabeth Demmin, Cary Bauer, Michael Ruf, George N. Harakas   +3 more
doaj   +1 more source

Condensation of α,ω-siloxane diols with aminoalkyl- (alkoxy)silanes

e-Polymers, 2013
Kinetics of condensation of individual siloxane diols HO[(CH3)2SiO]xSi(CH3)2OH (x=3,5,6 and 9) with aminoalkyl-alkoxysilanes (RO)2SiR’(CH2)3NHR’’ (R = CH3, CH2CH3; R’ = CH3, OR; R’’ = H, (CH2)2NH2) is described.
Lubkowska Magdalena, Stanczyk Wlodzimierz A., Rozga-Wijas Krystyna   +2 more
doaj   +1 more source

Study on the Influence of Siloxane-Modified Polyether Amine Curing Agents on the Performance of Epoxy Linking Paint [PDF]

Cailiao Baohu
In order to address the poor compatibility between low surface energy antifouling coatings and conventional anticorrosive primers， a siloxane-modified polyether amine curing agent was prepared using the physical properties and active group ...
PAN Xuelong, LU Ading, SUN Baoku, LIU Lin, ZHANG Xiru, ZHANG Haichun
doaj   +1 more source

Enhancing Understanding of Siloxane Surface Properties and Functional Group Effects on Water Deoxygenation

ChemEngineering
The deoxygenation process in water used in well injection operations is an important matter to eliminate corrosion in the petroleum industry. This study used molecular dynamics simulations to understand the behavior of siloxane surfaces by studying the ...
Fryad Mohammed Sharif, Sohail Murad, Saif Talal Manji   +2 more
doaj   +1 more source

Moisture curable toughened poly(lactide) utilizing vinyltrimethoxysilane based crosslinks

eXPRESS Polymer Letters, 2016
Vinyltrimethoxysilane (VTMOS) was grafted on to the backbone of poly(lactide) (PLA) through a free radical grafting reaction using reactive extrusion (REX) processing.
J. Schneider, K. Bourque, R. Narayan
doaj   +1 more source

Monomer With Dual-Chemical Bonding To Dentin Enhances Bonding Durability

International Dental Journal
Aim or purpose: To enhance the long-term stability of light-cured composite resin restorations, this study developed a silane-modified polyurethane acrylate (SPUA) monomer to create a novel etch-and-rise adhesive without primer pretreatment.
Huimin Wang, Zhu Song, Wang Wentian
doaj   +1 more source

Ketone-Assisted Alkoxysilane Condensation to Form Siloxane Bonds

Molecules
Siloxane bond formation represents a fundamental reaction central to both silicone chemistry and its technological applications. This paper presents a novel ketone-assisted process for the condensation of alkoxy-functional silanes catalyzed by a cationic
Sławomir Rubinsztajn, Marek Cypryk, Jan Kurjata, Małgorzata Kwiatkowska, Urszula Mizerska   +4 more
doaj   +1 more source

Hybrid Siloxane Materials Based on a Mutually Reactive Epoxy–Amine System: Synthesis, Structure, and Thermal Stability Investigations

Inorganics
Hybrid siloxane materials based on a mutually reactive epoxy–amine system are organic-inorganic hybrid materials synthesized via the sol–gel reaction of siloxane precursors, followed by the polymerization of organo-functionalized oligosiloxanes ...
Maria Emiliana Fortună, Maria Ignat, Niţă Tudorachi, Elena Ungureanu, Răzvan Rotaru, Valeria Harabagiu   +5 more
doaj   +1 more source