Examples of 'fumed silicas' in a sentence
Meaning of "fumed silicas"
fumed silicas: Fine silicon dioxide particles that are produced through a chemical process involving vaporization in the presence of oxygen, used in various industrial applications
How to use "fumed silicas" in a sentence
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fumed silicas
Examples of suitable silicas include fumed silicas.
As fumed silicas the hydrophobic grades are generally preferred.
Also preferred are densified fumed silicas.
The fumed silicas are used as thickeners.
The reinforcing fillers are preferably fumed silicas or precipitated silicas.
Fumed silicas are produced by flame hydrolysis of silicon compounds.
These fillers include fumed silicas and precipitated silicas.
Fumed silicas are known by the chemical name silicium dioxide.
Suitable silicas include precipitated silicas and fumed silicas.
Hydrophobic amorphous fumed silicas are also useful as the thickening additive.
The most preferred thixotropic additives are wax thixotropes and fumed silicas.
Both precipitated silicas and fumed silicas are useful in the current invention.
The coating also preferably comprises a mixture of amorphous precipitated and fumed silicas.
Hydrophobic fumed silicas are made by reacting hydrophilic fumed silicas with silanes or siloxanes.
The reinforcing fillers are preferably chosen from fumed silicas and precipitated silicas.
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The fumed silicas can be obtained by high-temperature pyrolysis.
Other structuring or thickening agents include fumed silicas and alkali metal or ammonium halides.
Typical silicas are precipitated silicas, or they may be fumed silicas.
Fumed silicas are typically non-porous and thus have no internal surface área.
Suitable fluidizing agents include, for example, fumed silicas of a suitable particle size.
Suitable anti-settling agents include organophilic quaternised ammonium-clay compounds and fumed silicas.
Organophilic quaternised ammonium-clay compounds and fumed silicas are examples of suitable anti-settling agents.
The potassium-doped oxides exhibit marked advantages in this respect compared with hydrophilic undoped fumed silicas.
In a preferred embodiment of the invention, the fumed silicas according to Table 1 can be used.
Suitable types of fumed silicas will generally have carbon contents of less than 8.0 %.
To 15 parts of silica powder selected from pyrogenic or fumed silicas and precipitated silicas ;.
Particularly preferred are hydrophobic fumed silicas ( i.e., fumed silicas provided with a hydrophobic coating ).
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Examples of using Silicas
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These silicas are marketed by manufacturers of inorganic fillers
Examples of suitable silicas include fumed silicas
The silicas used were those noted above
Examples of using Fumed
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The leaves fumed early in that year
Fumed oak is also called smoked oak
Many different types of fumed silica are available
