Examples of 'hydrophilic silica' in a sentence
Meaning of "hydrophilic silica"
hydrophilic silica - This phrase refers to silica-based materials that have an affinity for water or are capable of absorbing or dispersing water
How to use "hydrophilic silica" in a sentence
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hydrophilic silica
In a preferred embodiment hydrophilic silica is used as the thixotropic agent.
Hydrophilic silica may be obtained by hydrophobic treatment to make the silica hydrophobic.
The silica is preferably fumed silica and most preferably hydrophilic silica.
When sufficient quantities of hydrophilic silica are dissolved in a water solution a thixotropic gel will result.
However, tear strength has been improved by adding the hydrophilic silica.
A simple mixing of hydrophilic silica and the modified alkylaminosilicones at room temperature activated the silica.
The detection limits obtained by adsorption onto hydrophilic silica are comparable to these immunoassays.
The hydrophilic silica can be dispersed into the acrylic latex polymer by normal dispersing techniques.
If not, a co-suspending agent is used in conjunction with the hydrophilic silica.
In the process of the present invention, hydrophilic silica acts as anti-blooming agent.
A fumed silica produced in this way is referred to as fumed or pyrogenic, hydrophilic silica.
For example, hydrophilic silica caused excessive viscosity build-up in processing concentrates containing cyclomethicone.
The composition according to claim 1, wherein the hydrophilic silica is a pyrogenic silica.
For example, the hydrophilic silica may have a pore volume of from about 1 to about 2 cc / g.
In certain embodiments of the invention, the additive material is a silica, preferably a hydrophilic silica.
See also
Preferably, untreated, hydrophilic silica is used.
By " BET measured surface área " is meant the BET surface área of hydrophilic silica.
The hydrophilic silica ( A ) has mainly hydroxyl groups on its surface.
A process according to claims 1-5 wherein said silica material is hydrophilic silica.
Only the hydrophilic silica support shows a significant difference in signal between R24 and RH24.
It is preferred that component ( v ) is added when filler ( iii ) is a hydrophilic silica.
An example of preferred hydrophilic silica is HDK N20 from Wacker ( silica dimethyl sililate ).
The solution was made into a paste by grinding 8 wt - % of hydrophilic silica by a dissolver.
In addition, the hydrophilic silica generally will have a pore volume greater than 0.4 cc / g.
It is preferred that component ( iv ) is added when filler ( III ) is a hydrophilic silica.
Preferably, the amount of hydrophilic silica falls within the range from about 1 % to about 5 %.
Besides, organo-polysiloxane ( I ) can be sprayed alone to the hydrophilic silica microparticles.
Briefly, hydrophilic silica gel was used as a stationary phase at a temperature of 30°C.
The polyester resin composition according to claim 1 or 2, wherein the hydrophilic silica ( A ) is precipitated silica.
Aerosil 200 is a hydrophilic silica from Evonik.
This is because the plasticizer ( B ) is likely to apply shear to the hydrophilic silica ( A ).
The suspending agent must comprise at least about 0.5 % hydrophilic silica.
The approach uses the specific affinity of the RH24 “ tag ” for hydrophilic silica.
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