Examples of 'phase polymerisation' in a sentence
Meaning of "phase polymerisation"
phase polymerisation - This phrase refers to a chemical process in which monomer molecules are combined to form a polymer in distinct stages or phases
How to use "phase polymerisation" in a sentence
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phase polymerisation
A preferred method of polymerisation is by reverse phase polymerisation.
Gas phase polymerisation process.
Loop reactor for a slurry phase polymerisation process.
The gas phase polymerisation is performed in a gas phase reactor.
Preferably this polymerisation step is done in a gas phase polymerisation.
The slurry phase polymerisation is ideally effected in a loop reactor.
The catalyst was sent to the gas phase polymerisation apparatus.
Slurry phase polymerisation can be conducted under standard slurry conditions.
The polymerisation reactor is preferably a slurry phase polymerisation reactor.
When used in a gas phase polymerisation process such catalysts are also suitably supported on silica.
Preferably it is in the form of beads made by reverse phase polymerisation.
Typically it is produced by a gas phase polymerisation process in a high pressure autoclave.
The dispersion conditions were conventional for reverse phase polymerisation.
Gas phase polymerisation and slurry phase polymerisation are collectively referred to as particle form polymerisation.
It is preferred that polycondensation includes a solid phase polymerisation stage.
See also
Reverse phase polymerisation has the advantage that it can give a more uniform particle size.
Preferably the polymer particles are particles made by reverse phase polymerisation.
The activated catalyst was used for a gas phase polymerisation of ethylene to produce a PE resin.
The method of the invention is particularly suited for gas phase polymerisation.
In addition, a solid phase polymerisation stage was not used.
The present invention relates to a process for stopping a gas phase polymerisation reaction.
Gas phase polymerisation of propene in contact with the active solid hydrocarbon,.
The use of a slurry phase followed by gas phase polymerisation is especially preferred.
The solid phase polymerisation process utilised a fluidised bed, fluidised with nitrogen.
The use as claimed in claim 8 in a liquid phase polymerisation.
Preferably, the gas phase polymerisation is carried out in a fluidised bed gas phase reactor.
If necessary, a fourth step of performing solid phase polymerisation may be added.
Preferably, the second gas phase polymerisation stage that takes place in the absence of hydrogen.
Preferably the present invention is applied to a slurry phase polymerisation process / reactor.
The total pressure in the gas phase polymerisation reactor is most preferably between 1.5 and 3 MPa.
Fouling of the reactor wall is a well-known phenomenon in gas phase polymerisation.
At solid phase polymerisation conditions, polyester is only partially crystalline ( typically with 25 to 65 % crystallinity ).
The present invention may be applied to a gas phase polymerisation reactor / process.
Preferably, the first step is a slurry polymerisation and the second step is a gas phase polymerisation.
However, it does not address the problem of statism in a gas phase polymerisation reactor.
This document does not, however, disclose any further step after the solid phase polymerisation.
The sodium chloride was used as a fluidisable / stirrable start-up charge powder for the gas phase polymerisation.
Any of the conventional non-aqueous liquids customarily used for reverse phase polymerisation can be used.
European Patent Application EP-A-359 444 describes a process for maintaining a constant rate of olefin gas phase polymerisation.
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