Examples of 'seed particles' in a sentence
Meaning of "seed particles"
Seed particles: Refers to small particles or materials introduced into a system to initiate a process or reaction, often used in scientific experiments or technological applications
How to use "seed particles" in a sentence
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seed particles
This seed particles was then around somewhere.
Drying the coated seed particles.
The seed particles can be produced in various processes.
Then the sulfonated seed particles were dried in air.
The seed particles to be effective should preferably be submicron in size.
Dispersion polymerisation is another method for producing seed particles.
The seed particles can be formed from a variety of different monomers.
The styrene was added simply when the seed particles were hydrophobic.
Silicon seed particles are introduced into the reactor vía a feed device.
The original particles may be used as seed particles for polymerization.
Seed particles having an overall spherical or at least elliptical shape are preferred.
This polymer layer surrounds or encapsulates the latex seed particles.
Most preferably the seed particles are swollen with resorcinol formaldehyde polymers.
Thus it is possible to ensure final particles with a very low content of seed particles.
The seed particles may also be formed by dispersion polymerization in organic liquids.
See also
The process of nuclei generation determines the number of nuclei or seed particles produced.
Such seed particles are for example suited for base catalyzed polymerization of phenolic compounds.
The main purpose of the centrifugation is to remove hydratable phosphatides and seed particles.
This is thus a simple process for producing seed particles with good swelling properties.
The polymerisation can also be carried out by using residual initiator in the seed particles.
Calcium silicate hydrate seed particles may be obtained through one of the routes described herein.
In the Examples given below monosized seed particles are used.
The effects of the CSH seed particles were studied by isothermal heat flow calorimetry.
Thus, there were obtained swollen seed particles.
Seed particles are not required, although they may be used if desired.
Alternatively, isolated vinyl polymer seed particles can be used.
Following this, seed particles were introduced which were prepared by conventional means.
In this procedure, a water / organic solvent dispersion of a seed particles is used.
Most preferably, the seed particles comprise a styrene divinyl benzene.
Then, a second step is carried out by using the neutralized emulsion as seed particles.
Suspending the seed particles in a reaction chamber using a heated air flow ;.
It is also preferred that the reactor be charged with seed particles of tetrabromobisphenol-A.
Seed particles may, for example, be prepared from styrene crosslinked with divinylbenzene.
The powder composition of claim 1, wherein said seed particles are crystalline particles.
The seed particles can be produced, for example, using conventional crushing or milling equipment.
The particles are formed by spray-coating an aqueous pharmaceutical composition onto suitable seed particles.
Preferred polymer seed particles according to the invention comprise a styrene, an acrylate or a methacrylate seed.
A process according to claim 2, wherein said latex seed particles are polystyrene latex seed particles.
The coated seed particles typically have a substantially spherical aerodynamic shape and / or a substantially uniform, nonporous surface.
The process of Claim 9 wherein the seed particles are predominately alumina hydrate.
Comparative Example 2 A polymerization reaction similar to that of Example 3 was run without latex seed particles.
The inventors have found that seed particles are not required, although they are not excluded.
Monomer ( b ) may be substantially polymerized on the surface and / or inside of the seed particles.
Another procedure implies that dry seed particles in a first step are dispersed in a non-swelling medium.
Optionally, the aqueous phase can contain surfactant ( s ) and / or seed particles.
The seed particles are a copolymer of a monomer mixture of styrene and 0.2 percent active divinylbenzene ( DVB ).
For splitting nothing was there . So the seed particles waited out the time.
The coated seed particles can have an average size of about 20 to 70 µm.
In the granules of the present invention, the ratio of seed particles to granules is 1:1.
The resulting seed particles had a diameter of 1.3 microns.
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