Examples of 'esterification catalyst' in a sentence
Meaning of "esterification catalyst"
esterification catalyst: An esterification catalyst is a substance that promotes or accelerates the chemical reaction known as esterification, which involves the formation of esters from alcohols and carboxylic acids. Catalysts enhance the rate of the esterification process without being consumed in the reaction itself
How to use "esterification catalyst" in a sentence
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esterification catalyst
Methanesulfonic acid is preferably used as esterification catalyst.
An esterification catalyst may also be added.
This reaction is done in the presence of an esterification catalyst.
A known esterification catalyst usually is used for the polymerization reaction.
An example of a suitable esterification catalyst is pyridine.
The catalyst employed in this second step is preferably an acidic esterification catalyst.
In this process any suitable esterification catalyst known in the art can be employed.
The inventive resin might additionally comprise an esterification catalyst.
The esterification catalyst suitable for the present purpose may be a heterogeneous or homogeneous catalyst.
It has a minor use as an esterification catalyst.
No esterification catalyst was used in the preparation of polyester G.
The catalyst may comprise any suitable esterification catalyst.
It is preferable that the esterification catalyst is selected from methanesulfonic acid and toluenesulfonic acid.
In the column reactor the esterification trays each hold a charge of a solid esterification catalyst.
Moreover different concentrations of solid esterification catalyst can be used on different trays.
See also
The esterification catalyst provides unanticipated benefits for MPD-terephthalates.
In the reaction there will generally be present an esterification catalyst in the usual concentration.
Optionally, an esterification catalyst may be used to decrease the reaction time.
However, it is preferable not to use an esterification catalyst.
Often, an esterification catalyst is omitted.
Zinc neodecanoate / zinc oxide is the preferred esterification catalyst.
If desired, an esterification catalyst is included.
Process according to claim 6 wherein the catalyst of step b is an esterification catalyst.
In a preferred embodiment, an esterification catalyst is used in the reaction.
An esterification catalyst is usually used in the above-mentioned esterification reaction.
In said esterification procedure, an esterification catalyst can be used when so required.
This may be accomplished either without a catalyst or, preferably, with an esterification catalyst.
A method according to claim 1 wherein said esterification catalyst is an organometallic complex.
An esterification catalyst is not required ; however, the use of such a catalyst is highly desired.
As a result, troubles such as clogging of the esterification catalyst layer are preventable.
Where desired, an esterification catalyst such as those mentioned above may be utilized.
The resin of any of the previous claims, additionally comprising an esterification catalyst.
The use of a tin esterification catalyst in Example 2 provides the added benefit of resin clarity.
The term " acid " in the preceding sentence encompasses excess esterification catalyst and unreacted organic acid.
The esterification catalyst may, for example, be paratoluenesulphonic acid.
The resin of claim 1, additionally comprising an esterification catalyst.
Alternatively, an esterification catalyst such as stannous 2-ethylhexanoate can be used.
A process as claimed in any preceding claim, wherein the esterification catalyst is 96 % sulphuric acid.
The above-described esterification catalyst means 4-dimethylaminopyridine or the like.
If desired, however, any conventional esterification catalyst could be used.
The solid esterification catalyst may be a granular ion exchange resin containing - SO ₃ H and / or - COOH groups.
Add 2.0 gram of a suitable esterification catalyst and begin to heat.
The esterification catalyst may be 96 % sulphuric acid.
In another embodiment, the esterification catalyst can be added in reactor ( 2 ).
The esterification catalyst may be sulphuric acid, optionally 96 % sulphuric acid.
When the esterification catalyst is used, it is removed in the residue through stream ( 13 ).
Typically, the esterification catalyst will be from about 0.1 to about 1 % by weight of the reactants.
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Examples of using Esterification
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The chemical reactions are transesterification and esterification
The esterification is also a method known per se
Examples of using Catalyst
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