Alkoxysilanes structure molecular multiple and their method of manufacturingNovel alkoxysilane cluster compounds are described having the formula M {OSi[OSi(OR')3}a OR M {OSiR[OSi(OR')3]2}a WHEREIN A = 2, 3 OR 4; M is a substituted or unsubstituted branched or straight chain hydrocarbon...
The hydrolysis rate of alkoxysilanes shows a dependence on the alkoxysilane structure (especially the organic attachments), solvent properties, and the catalyst dissociation constant and solubility. Some of the alkoxysilanes exhibit intramolecular catalysis. Hydrogen bonding plays an important role in the ...
Furthermore, depending on the structure of the silicone or the alkyd compounds, final properties of the coatings can be impacted. The influence of oil length and silicone backbone substituents have been studied by Chakraborty et al. thanks to a coating formulation with a silicone-alkyd resin and...
wherein R is an optionally heteroatom-containing alkyl, aralkyl or aryl radical having up to 20 carbon atoms, provided that these radicals do not contain any other reactive groups with the exception of the NCO group that is part of the allophanate structure and any alkoxysilyl groups present...
The Hydrolysis/Condensation Behaviour of Methacryloyloxyalkylfunctional Alkoxysilanes: Structure-Reactivity Relations[J]. ... Stefan,AltmannJürgen,Pfeiffer - 《Monatshefte Für Chemie》 被引量: 45发表: 2003年 Condensation of alkoxysilanes in alcoholic media: II. Oligomerization of aminopropylmethyldiethoxy...
A cycloalkoxysilane, having utility as an electron donor in the Ziegler-Natta polymerization of olefinic monomers, of the structure< P>(R'O).sub.x (R').sub.y Si(OR).sub.4-x-y< P> wherein R is independently selected from the group consisting of alkyl radicals having 1 to 5 carbon ...
and Harsmann, H., Growth and structure of single phase mullite gels from chelated aluminum alkoxides and alkoxysilanes. J. Non-Cryst. Solids, 1994, 168, 14-22.T. Heinrich, F. Raether, and H. Marsmann: Growth and structure of single phase mullite gels from chelated aluminium alkoxides ...
Structure of the Products of Hydrolytic Copolycondensation of 3-Aminopropyltriethoxysilane and 3-Methacryloxypropyltrimetoxysilane: NMR Study alkoxysilanes, the oligomers are soluble in water (excess of 3-aminopropyltriethoxysilane) or in organic solvents (excess of 3-methacryloxypropyl... NS Bredov...
A process for forming a siloxane oligomer from a mixture comprising at least one alkoxysilane, at least one phase transfer catalyst having a specified structure, and water is described. H Wang,ZJ Duan,S Raychaudhuri - US 被引量: 1发表: 2008年 Spectroscopic studies of a novel cyclic oligomer ...
structure. The phase change ink could also be deliberately exposed to an atmosphere with an increased moisture content to aid in the hydrolysis and thereby further improve the curing of the curable phase change ink. The alkoxysilane moiety can continue to crosslink and cure for up to about 48 ...