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* divergence of WMS, UWMS and core sand number of particles or agglomerates begins at 70, 100 or 140 sieve sizes increasing with AFS GFN;
This can be essential for reaching the critical shear stresses needed for breaking up pigment agglomerates. Stages of relaxation can be incorporated within the same screw profile, allowing for back mixing in the axial direction and compensating for minor inhomogeneities in the preblend.
The effect of different temperatures on the formation of spherical agglomerates of ibuprofen was observed at 20[+ or -]5[degrees]C, 40[+ or -]5[degrees]C, and 60[+ or -]5[degrees]C.
Big agglomerates of MWCNT's with sizes > 500 [micro]m can be seen when nanocomposites are processed with a LS screw configuration and low screw speed by DC.
For carbon black dispersion measurement, it has been shown that RLM agglomerate sizes, termed "nodges," represent significantly smaller agglomerates as observed directly from microtomed samples viewed with transmitted light and with sulfur hardened samples analyzed for reflectance (ref.
* divergence of WMS, UWMS and CS particles or agglomerates begins at 70,100 or 140 sieve sizes, increasing with AFS grain fineness number.
The gap size was chosen to be big enough to avoid constriction of shear-induced agglomerates. All measurements were performed at 25 [degrees] C.
By using a unique Schugi Flexomix agglomerator system Hosokawa Micron were able handle the difficult to agglomerate ingredients and to solve the problem of producing two different end products.
If there are large wood agglomerates in the extrudate and adjusting the feed rate and screw rpm doesn't improve mixing, that may indicate that unwanted fines from wood flour and other fillers are forming hard agglomerates that require more shear force to break up than the extruder screws can deliver.
The acquired topographic maps often have long-range variation of the sample surface, which interferes with identification of the peaks associated with the carbon black agglomerates. To remove this long-range variation, the as-acquired data are processed using a band-pass Fast Fourier Transform filter.
Sand is normally disposed of because burned binders make rebonding difficult, unburned core binders react negatively to the bonding process, and strong agglomerates such as core butts or clay balls exit the system during screening.
These approaches allow increasing the mixing speed realize high shear rate and shear stress that result in broken agglomerates of filler particles and consequently higher uniformity of nanocarbon dispersion in the bulk polymer matrix.