LUMMUS NOVOLEN PDF
Clariant and Lummus Novolen will jointly invest about CHF 65 million in this new stateof-the-art polypropylene catalyst production line at. Lummus Novolen Technology GmbH company research & investing information. Find executives and the latest company news. Lummus Technology licenses its Novolen® gas phase polypropylene (PP) technology for the production of the full range of PP resins. This reliable, versatile .
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Examples Compounds of the produced resins of Examples 2 to 6 were prepared, extruded and pelletized. Lummus Novolen Technology GmbH. The solution was diluted with 3. A catalyst system for the polymerization of olefins may include a first solid catalytic nivolen and a second solid catalytic component. The first random copolymer is characterized in that its propylene content is from above 90 to about You are about to leave the Clariant domain close.
All blends of Comparative Examples were prepared by dry mixing 7 g of a high melting autoclave component, 3 g of a low melting autoclave component, 0. Film specimens were placed firmly against the specified port on the device and the nocolen from the light source was passed through it to a sensor on the other side of the film. Comparative Examples 32 to 35 Films were made from the pellets of Comparative Examples 28 to 31 as described above.
Gloss is reported in units of gloss.
Example 20 Film of Example The composition is comprised of from 0 to 10 weight percent, preferably from 0 to 5 weight percent of the fraction soluble in xylene, from 10 to 50 weight percent, preferably from 15 to 45 weight percent of the low crystallinity fraction, from 0 to 20 weight percent, preferably from 0 to 10 weight percent of the intermediate crystallinity fraction, from 20 to 70 weight percent, preferably from 30 to 60 weight percent of the high crystallinity fraction, and from 0 to 5 weight percent of the very high crystallinity fraction.
Dwell time was 0.
Please enter your contact information so we are able to process your request. High performance Ziegler-Natta catalyst systems, process for producing such MgClbased catalysts and use thereof.
Patents Assigned to Lummus Novolen Technology GmbH – Justia Patents Search
The temperature dependent seal strength data of examples 32 to 35 are given in Table 11 and Table The first temperature point of the curve is typically at about the seal initiation temperature. Decision of Refusal issued Jun. This example illustrates the polymerization of polymer components to prepare a blend not in accordance with the present invention. The results are listed in Table Another advantage of the present invention is the fact that its compositions comprise ultra low crystallinity fractions not present in prior art compositions.
Removal of catalyst residues or amorphous polymer is not required. Comparative Examples Example 2 was repeated, with the exception that instead of the catalyst prepared in Example 1, the catalyst prepared in Comparative Example 36 was used. The printer systems may include one or more print heads for printing a polymer provided in filament, powder, flake, or pellet form to form a three-dimensional article; and one or more feed systems for providing a non-crosslinked peroxydicarbonate-branched polypropylene to a respective print head.
The results in terms of population of fractions can be read in Table 4. The autoclave was purged three times with nitrogen. The balance between SIT and the level of solubles as well as the haze of these compositions need improvement.
CROSS-REFERENCE TO RELATED APPLICATIONS
Comparative Example 36 Example 1 was repeated with the exception that instead of the metallocene rac-dimethylsilanediyl 2-methyl para-tert-butyl-phenyl -indenyl 2-isopropyl para-tert-butyl-phenyl zirconiumdichloride, the metallocene rac-dimethylsilanediylbis 2-methyl-indenyl zirconiumdichloride was used.
The reactor contained an agitated bed of novoleb divided polymer.
Particularly suitable metallocenium-ion-forming compounds B are open-chain or cyclic aluminoxane compounds of the general formulae V or VI where R 21 is C 1 -C 10 -alkyl, preferably methyl or ethyl, and m is an integer from 5 to lummis, preferably from 10 to Your message was successfully sent. Example Example 2 was repeated with the exception that different amounts of hydrogen, ethylene and propylene were fed to the reactor.
To produce polypropylene PP homopolymer, random copolymers and impact copolymers, including Metallocene PP in the Novolen process.
Polypropylene Process by Lummus Novolen Technology GmbH | Process Engineering News & Updates
This makes the process for their production more expensive than processes that do not require a peroxidic visbreaking step. The reactors contain a bed of polypropylene powder, which is agitated below the fluidization point by a helical agitator to keep the bed in motion and prevent powder agglomeration. The polymerization can be carried out batchwise or, preferably, continuously. Sealing pressure most commonly used was 40 psi. Another embodiment of the present invention relates to polypropylene compositions comprising a high crystallinity component and a low crystallinity component characterized by the amount of the low crystallinity component nucleated by the high crystallinity component, expressed both by:.
Examples Films were made from the pellets of Examples as described above. For the purposes of the present novolfn, metallocene catalysts are any of bovolen catalyst systems which comprise at least one metallocene compound Aand metallocenes compounds A here are any of the complex compounds of metals of transition groups of the Periodic Table with organic ligands. The resins of Examples 2, 3 and 4 represent the high melting point component used in the polymer blend of the invention.
Ljmmus, mg of the catalyst of Example 1 were flushed in with more propylene, yielding a total monomer feed propylene and ethylene to the reactor of g. Afterwards the reaction product is extracted with a mixture of a titanium compound and a hydrocarbon solvent.
These are usually incorporated into the polymer during pelletization of the polymerization product produced in pulverulent form. The following specifications were used for running the device: Further analytical data are given in Table 8. Furthermore, the presence of low molecular weight, amorphous material soluble in or extractable by organic solvents such as xylene and hexane, respectively, should not be too high in order to prevent contamination of food.
Sealed samples were prepared for testing by cutting to the following dimensions. The polymer was removed from the autoclave and dried overnight at room temperature and atmospheric pressure. Example 23 Film of Example The novplen of claim 23, wherein the amount of hexane extractable fraction of the film layer comprises no more than about 3.
As known in the art, the mutually exclusive requirements of low SIT and large amounts of unmelted material at high temperatures can only be optimized by producing blends of two or more random copolymers. I found Clariant in an advertisement.
The seal was tested at a rate of grip separation of 10 to 12 ipm.