Examples of 'single site catalyst' in a sentence
Meaning of "single site catalyst"
Single site catalyst: A single site catalyst is a type of catalyst used in chemical reactions that is characterized by having catalytic activity confined to a single site on the catalyst surface
How to use "single site catalyst" in a sentence
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single site catalyst
An example of a single site catalyst is a metallocene catalyst.
Ethylene copolymers produced with single site catalyst.
Preferably the single site catalyst is a metallocene catalyst.
Preferably the homopolymer of polypropylene is obtained using a single site catalyst.
The polyolefin prepared using a single site catalyst is preferably an elastomer.
The catalyst used in the polymerization process is a single site catalyst.
More recently other single site catalyst systems have been developed.
The catalyst used to produce the composition is a supported single site catalyst.
Single site catalyst systems are known in the art and are described herein.
There are two general types of single site catalyst reactions.
The single site catalyst compounds of the slurry can be spray dried.
The manner of activation of the single site catalyst can vary.
An example of a single site catalyst is a metallocene-containing catalyst.
The present invention especially relates to polyethylene prepared in the presence of single site catalyst.
Preferred catalyst systems comprising a single site catalyst comprise a carrier.
See also
Single site catalyst systems having a scorpion-like structure.
The support used with the single site catalyst compound can be functionalized.
A multisite catalyst system used in the present invention comprises at least one single site catalyst.
It is evident that the single site catalyst typically also comprises an activator.
The MDPE polymer is produced by a single site catalyst.
In some embodiments, the single site catalyst is a metallocene catalyst or a constrained geometry catalyst.
The MDPE polymer of the invention is produced by a single site catalyst.
Once calcination has occurred the single site catalyst needs to be impregnated into the support.
All components of the MDPE polymer of the invention are obtainable using a single site catalyst.
This forms a reaction product between the single site catalyst precursor and the electron donor.
If a single site catalyst is used, then slightly lower ethylene concentration may be used.
Moreover the polymerization catalyst may be a single site catalyst containing catalyst system.
Preferably said plastomer is a metallocene plastomer, i.e. a plastomer manufactured by a metallocene single site catalyst.
In other embodiments, single site catalyst polymers may be used.
In a preferred embodiment, the at least one catalyst is a single site catalyst.
In some embodiments, the single site catalyst incorporates hafnium.
The ethylene-propylene-diene terpolymer was reportedly made using a single site catalyst.
The plastic bag of claim 1 wherein said single site catalyst is a metallocene catalyst.
The process as claimed in claim 1, wherein said catalyst system comprises a single site catalyst.
For example, the single site catalyst compound can contain a polymer bound ligand.
The propylene-based plastomer may be produced vÃa a single site catalyst polymerization process.
Metallocene catalysts are single site catalyst which, generally, produce polymer having narrow molecular weight distribution.
Preferably, the catalyst system comprises at least two single site catalyst components.
The process of Claim 1 wherein the single site catalyst is a constrained geometry or metallocene catalyst.
Catalyst Systems In a preferred embodiment, the at least one catalyst is a single site catalyst.
Adding to the passivated support, a group 4 single site catalyst and a cocatalyst in any order.
Single site catalyst systems may e.g. comprise a metallocene catalyst.
The olefin polymerization catalyst of claim 1 wherein said group 4 single site catalyst is a phosphinimine catalyst.
In one embodiment, the ethylene / a-olefin interpolymer is made using a single site catalyst.
A process according to claim 13, wherein the single site catalyst also comprises an aluminumoxane cocatalyst.
The Tafmer P0480 polymer was reportedly made using a single site catalyst.
The multi-layer sheet of claim 34 wherein said single site catalyst is a metallocene catalyst.
Thus, all components of the MDPE polymer are made using single site catalyst technology.
The process of claim 4, wherein the single site catalyst has the formula, or wherein,.
Said asymmetric catalyst is preferably a single site catalyst ( SSC ).
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