Examples of 'polymerisation reactor' in a sentence
Meaning of "polymerisation reactor"
polymerisation reactor: A polymerisation reactor is a type of vessel or system used in the production of polymers by combining monomers to form polymer chains. This process involves initiating a chemical reaction under controlled conditions to create long-chain molecules
How to use "polymerisation reactor" in a sentence
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polymerisation reactor
Process for loop polymerisation reactor.
The polymerisation reactor is preferably a slurry phase polymerisation reactor.
The fluid phase is returned to the polymerisation reactor.
Maintaining said polymerisation reactor in such conditions as to produce an ethylene copolymer.
Passing the second stream to the polymerisation reactor.
A separate prepolymerisation reactor was arranged before the first polymerisation reactor.
The cocatalyst is introduced into the first polymerisation reactor.
This invention relates to a polymerisation reactor for making liquid polymers.
This is usually performed in a separate vessel to the polymerisation reactor.
The polymerisation reactor effluent comprises a slurry of polymer solids in a liquid medium.
Process for the treatment of feed streams to a polymerisation reactor.
Many polymers are produced from a polymerisation reactor as a relatively coarse powder or granules.
Another aspect relates to a method for improving a polymerisation reaction in a polymerisation reactor.
This is usually fed to the polymerisation reactor with the transition metal catalyst.
The two catalyst components are preferably fed separately to the polymerisation reactor.
See also
Several methods for supplying catalyst to a polymerisation reactor have been described in the prior art.
The prepolymerisation may be carried out in any type of continuously operating polymerisation reactor.
The polymer is withdrawn from the polymerisation reactor together with the reagents and inert hydrocarbons.
These components can then be fed back into the polymerisation reactor.
A polymerisation reactor equipped with heating, cooling and spray drying facilities was used.
This solid must be taken out of the polymerisation reactor as a block.
The gas-phase polymerisation reactor preferably comprises one or more vertical fluidised beds.
The monomers thus treated are loaded into a polymerisation reactor purged with nitrogen.
The present invention concerns a new olefin polymerisation process for preventing fouling in the polymerisation reactor.
Feeding said diluted catalyst slurry into a polymerisation reactor vÃa a volumetric pump, and.
The apparatuses according to the invention can be applied for feeding a single polymerisation reactor.
Continuously discharging from the polymerisation reactor a slurry comprising polyolefin and diluent ;.
Compositions according to the invention were made in a two reactor continuous polymerisation reactor system.
The facility has downstream of the polymerisation reactor 2 a letdown valve 4 for reducing the pressure.
The invention is also suitable for transferring solid unsupported catalysts into a polymerisation reactor.
Feeding at least one monomer into said polymerisation reactor to form a polymer, and.
The device according to the invention can be applied for feeding a single polymerisation reactor.
The polymerisation reactor R2 can be a slurry reactor such as a loop reactor, or a gas phase reactor.
The polymerisations exemplified all utilise further alumoxane as a cofeed into the polymerisation reactor.
Example 1 A polymerisation reactor of autoclave type was used.
Fresh comonomer feed may additionally be introduced to the polymerisation reactor to control the ratio.
In addition, the device allows supplying catalyst slurry in a controlled way to a polymerisation reactor.
The total pressure in the gas phase polymerisation reactor is most preferably between 1.5 and 3 MPa.
When the valve turns the shot of settled catalyst is injected into the polymerisation reactor.
At least one autoclave or tubular polymerisation reactor ( R ) under high pressure ;.
Then essentially no hydrogen is carried over to the gas-phase polymerisation reactor.
After polymerisation, a reaction mixture 2 produced in the polymerisation reactor 1 is passed on to degassing 3.
However, it does not address the problem of statism in a gas phase polymerisation reactor.
The man skilled in the art knows very well how to measure a polymerisation reactor temperature.
Thus, the preheater unit is located between compressor unit and polymerisation reactor.
Figure 2 represents a simplified example of a high pressure tubular ethylene polymerisation reactor and its cooling circuits.
The alkylene monomers, and comonomer if present, are fed into the polymerisation reactor.
The chromium-based catalyst is introduced into the polymerisation reactor.
On the other hand, the slurry should be readily transportable into the polymerisation reactor.
The mixture of the two chromium-based catalysts is introduced into the polymerisation reactor.
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