Examples of 'porogen' in a sentence
Meaning of "porogen"
Porogen is a substance that is used in the production of porous materials such as polymers or ceramics. It is added to create pores in the material which can later be filled with other substances
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- Any of a mass of particles, of a specified shape and size, used to make pores in moulded structures used for tissue engineering (they are dissolved away after the structure has set)
How to use "porogen" in a sentence
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porogen
Said porogen agent may be organic or inorganic.
The powder also contains the optional porogen.
Removing the porogen from the porous polymer.
This additive is called a porogen.
Typically a suitable porogen is inert in the polymerisation reaction.
Porogen leaching is a common technique to create porous polymeric materials.
One such example is the porogen scaffold method.
The porogen was removed as described above.
The polymer may be porous and may include a porogen.
The porogen is then extracted to forma filled porous membrane.
It is preferable when at least one porogen is added in process step a.
The porogen is subsequently removed.
We have found it preferable for the porogen to be liquid at room temperature.
The porogen causes phase separation of the polymer matrix.
The porous material may be an aerogel or be formed by means of a porogen material.
See also
A porogen scaffold in the shape of a breast implant shell is obtained.
The bead may or may not swell in the inert porogen.
Suitable porogen fluids will be described in more detail hereinafter.
In polystyrene based monoliths for example the porogen is often toluene.
This porogen is then removed and replaced by the desired active substance.
Cellular release or recruitment is manipulated by controlling the kinetics of porogen degradation.
Said porogen hydrogel comprises a shorter polymer than said bulk hydrogel.
Cells are optionally encapsulated either into the porogen or bulk compartment.
The size of the porogen is related to the size of the overall composite material.
The polymerized mixture may be soaked in water to leach out the porogen.
After heating upon high temperatures the porogen decomposes and pores are formed.
There are many issues associated with using sodium chloride salt crystals as porogen.
Again vÃa nucleation and phase separation of the porogen a two phase structure is obtained.
The characteristics of the pore system will depend on the amount and type of porogen.
Examples of suitable pore maker or porogen compounds are carbon dioxide gas and hydrogen peroxide.
A combination which includes a hydrophilic polymer and a salt is used as a porogen in the present invention.
Subsequent leaching of the porogen gives rise to interstices throughout the formed polymer material.
The mixture is usually washed with a suitable solvent to remove the porogen and other impurities.
Said porogen hydrogel comprises oxidized alginate ; or.
This technique does not require the use of a solid porogen like SCPL.
Once the porogen has been fully dissolved, a porous structure is obtained.
In certain embodiments, the porogen is granular.
The polymerization is performed in the presence of a pore-forming solvent, a porogen.
Curing the elastomer coated porogen scaffold ; and.
If required, a porogen may be added to ensure the desired porosity of the product.
As a functional substance, at least one porogen can be added.
The porogen may include sugars and other fast-resorbing agents.
A process as recited in claim 1 wherein the porogen is mineral oil.
However, methods such as porogen leaching are not applicable to certain procedures, such as vertebroplasty.
Dissolving at least one monomer in an inert porogen to form a solution ;.
In another embodiment, a porogen scaffold comprises fused porogens connected to a plurality of other porogens.
During deposition of the membrane, the coagulating polyphosphazene embodies the porogen.
A method according to claim 8, wherein the porogen is an active topical ingredient.
After drying, the layer was washed with water to eliminate the porogen.
From among the methods, a porogen leaching method is most widely used.
