Examples of 'silica support' in a sentence
Meaning of "silica support"
Silica support: This phrase could relate to structures or materials using silica as a supportive or reinforcing element
How to use "silica support" in a sentence
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silica support
The use of a silica support is preferred.
Preferably the support is a silica support.
The silica support is impregnated with a solution of alumoxane.
It will ideally be immobilized on a silica support.
Preferably the support is a silica support or a silica alumina support.
The catalyst used was a titanium based on a silica support.
The silica support can be heated during the process.
A stereospecific metallocene is supported on the silica support particles.
A silica support is also contemplated.
Most preferred is silica support.
The silica support is coated with a polymer having carboxymethyl groups.
Optionally one may attempt to rehydrate a commercially available silica support.
Chromium oxide on a silica support is introduced into a mud pot.
The appearance of the catalyst was more like granular silica support.
It is believed that the silica support undesirably cause the phosphite to undergo transesterification.
See also
Silica sol is advantageously used as the silica support starting material.
The silica support is first treated with an organosilane compound to form a silylated silica support.
The polymerization catalyst comprises a metallocene catalyst immobilized on a porous silica support.
The Ti content on the silica support was determined.
It is worth observing that such prior catalysts were formed using a silica support.
The support can also be a porous silica support coated with crosslinked DEAE dextran.
The precursor is dissolved in the electron donor and impregnated on the silica support.
Densified fumed silica Support changes.
The catalyst surface conditioning is necessary to immobilize titanium alkoxide on silica support surface.
Three types of flat silica support were used,.
The chromium based catalysts of the current invention are deposited onto a silica support.
Nickel / zinc oxide on a silica support is most preferred.
The inventors have analysed for comparison the effect of nitriding the silica support.
That is, the porous silica support was produced as follows.
The high density polyethylene resins contained residual amounts of chromium catalyst and silica support.
The silica support is the cause of the following disadvantages,.
This step might involve spraying an organosilane compound over the silica support in a nitrogen atmosphere.
Aging a silica support in an alkaline solution to produce an alkaline aged silica support ;.
An example of such a catalyst is a Ziegler catalyst containing tetravalent titanium on a silica support.
Slurrying said silylated silica support in a solvent to form a first slurry ;.
It is known to condition liquids on solid supports, in particular on a silica support.
The method of claim 1 wherein the silica support further comprises titania.
In another embodiment, the heteropolyacid comprises phosphotungstic acid on a silica support.
A typical silica support is a solid, particulate material essentially inert to the polymerization.
The catalyst component is preferably supported on a silica support impregnated with MAO.
Treating a silica support with an organosilane compound to form a silylated silica support ;.
In an embodiment, the particulate catalyst is immobilized on a support, preferably a silica support.
The silica support then was washed until a negative AgNO3 test was obtained.
Process according to claim 1, wherein said support is a particulate porous silica support.
The silica support is solid, particulate porous material essentially inert to the polymerization.
In another particular embodiment of the present invention, the support used is a silica support.
The silica support was washed with water until a negative AgNO3 text was obtained.
A process according to claim 6, wherein the catalyst comprises phosphotungstic acid on a silica support.
The silica support is then contacted with an alumoxane co-catalyst in an aromatic carrier liquid.
It is also preferred that the metallocene-type catalyst is supported, desirably on a silica support.
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