Examples of 'alkoxysilanes' in a sentence
Meaning of "alkoxysilanes"
Alkoxysilanes (noun): Chemical compounds derived from alcohols and silanes, commonly used as coupling agents or adhesion promoters in various industries such as coatings, adhesives, and sealants
Show more definitions
- plural of alkoxysilane
How to use "alkoxysilanes" in a sentence
Basic
Advanced
alkoxysilanes
Alkoxysilanes are in fact silanes blocked with alkoxy groups.
This compound is selected from among haloalkyl alkoxysilanes.
Examples of alkoxysilanes which may be mentioned are those of formula.
Hair treatment compositions containing alkoxysilanes are known in the art.
Obtained from alkoxysilanes bearing the abovementioned functionalities.
It is preferred to use vinyl alkoxysilanes.
The alkoxysilanes of the present disclosure may be amino aryl alkoxysilanes.
The reaction between the free alkoxysilanes is not necessary.
Alkoxysilanes are mentioned among the many end groups proposed in said patent.
Vinyltrimethoxysilane may be mentioned especially among the alkoxysilanes which can be employed.
Alkoxysilanes are known to hydrolyze upon exposure to water to form reactive silanol groups.
The derivatives containing SiX functions preferably used are alkoxysilanes and ketiminoxysilanes.
The alkoxysilanes are formed by contacting silicon with a solution of hydrogen fluoride in an alcohol.
The urea linkages are located near the terminal alkoxysilanes and the flexible backbone.
The alkoxysilanes used in the method of the present invention may be amino aryl alkoxysilanes.
See also
Compositions provided by the present disclosure contain partially reacted alkoxysilanes in alcohol and water.
All alkoxysilanes containing SH groups have the unpleasant odor which is typical of mercaptans.
Other compounds which can be used for the purpose are alkyl aryl silanes and alkoxysilanes.
The reaction between silicon metal and alcohol to produce alkoxysilanes and silicates is well established.
The same technique is available for forming type A silica sols from organic solutions of alkoxysilanes.
Examples of alkoxysilanes include those of formula,.
Suitable examples of epoxidized alkoxysilanes include,.
Alkoxysilanes are unstable compounds in water, undergoing rapid hydrolysis to silanols.
Among these, halogenated silanes and alkoxysilanes are preferred.
On the first step, alkoxysilanes containing quaternary ammonium group were obtaine.
Among these examples, halogenated silanes and alkoxysilanes are particularly preferred.
Such alkoxysilanes are included within the scope of amino-functional alkoxysilanes.
In some embodiments of the invention said alkoxysilanes are separated by 7 carbon atoms.
Useful alkoxysilanes are those with at least one silicon-hydrogen bond.
The epoxysilicones are prepared by cohydrolysis of tetraalkoxysilanes with 3-glycidyloxypropyl functional alkoxysilanes.
Compositions may also contain fully hydrolyzed and / or fully condensed alkoxysilanes.
In view of practical effect, alkoxysilanes or silane coupling agent is more preferable.
They are subsequently rendered hydrophobic by treatment with halogenated silanes, alkoxysilanes or silazanes.
Furthermore, alkyl alkoxysilanes are relatively expensive compared to many other materials.
Hyperbranched compounds resulting from the addition of aminated alkoxysilanes with aziridine ;.
During reaction the alkoxysilanes are believed to at least partially hydrolyze and / or condense.
Preferably, the paints include compounds that permit bonding to the alkoxysilanes.
Examples of alkoxysilane-functional compounds are alkoxysilanes of the following general formula, wherein.
Alternatively, alkoxysilanes having a perfluorinated or partial-fluorinated alkyl group may also be used.
An electron-donating compound chosen from aromatic carboxylic acid esters and alkoxysilanes.
The high purity nonpolar alkoxysilanes typically contain about 5 wt % or less of impurities.
Organic-inorganic hybrid polymers by reaction of organic monomers with organofunctional alkoxysilanes are disclosed.
For example, alkoxysilanes suitable as drying agents include vinyltrimethoxysilane, vinyltriethoxysilane, and combinations thereof.
Compositions provided by the present disclosure include partially reacted organo-functional alkoxysilanes.
Examples of such ethylenically unsaturated alkoxysilanes are vinyl trimethoxysilane, allyl trimethoxysilane and methylvinyl dimethoxysilane.
Preferred preparation methods for the coupling agent comprises, mixing the alkoxysilanes.
The epoxidized alkoxysilanes used preferably have formula II,.
It is believed that dipodal alkoxy silanes create cross-linked networks of condensed alkoxysilanes.
Also suitable for use are reaction products of amino-functional alkoxysilanes and isocyanate-functional compounds.
The process results in agglomerate-free nanoparticles with a hydrolysis-resistant coating based on alkoxysilanes.