Examples of 'mannich' in a sentence
Meaning of "mannich"
mannich (adjective) - Relating to the Mannich reaction in organic chemistry, named after Carl Mannich, involving the condensation of an aldehyde and ammonia followed by an amine
How to use "mannich" in a sentence
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mannich
Mannich polyols are also typically used in spray formulations.
Second intramolecular mannich reaction and second ring closure.
Mannich reaction products are another type of useful ashless dispersant.
Polyols comprising an alkoxylated mannich condensate and process for preparing the same.
Mannich type reaction may be carried out by conventional procedures.
Another class of ashless dispersant is Mannich bases.
Mannich base products are known to be suitable for curing epoxy resins.
The composition also includes a Mannich base.
Mannich type reaction.
The dispersant may also be a Mannich dispersant.
Mannich reaction of propiophenone with formaldehyde and dimethylamine affords the corresponding aminoketone.
Progress has been made towards asymmetric Mannich reactions.
Mannich dispersants are prepared by reacting a hydroxy aromatic compound with an amine and aldehyde.
In a preferred embodiment the prodrug moiety is a Mannich base.
Mannich bases based on polyamines and alkylphenols are highly viscous and have a high colour number.
See also
Examples of such dispersants are succinimides and Mannich type.
The Mannich reaction is also considered a condensation reaction.
Dispersants can also be classified Mannich base dispersants.
Or by Mannich reaction on acrylamide based polymers.
The monomer may also be a Mannich base of acrylamide.
The Mannich polymer microemulsion is stored under refrigeration.
These compounds were prepared to study the Mannich reaction.
The Mannich condensation is well known in the art.
Another class of polyamine dispersants is Mannich base compositions.
Certain Mannich bases were reduced to diastereoisomeric allylic amino alcohols.
One class of dispersant is Mannich bases.
The Mannich products may also contain fatty acids.
The resulting compound is a Mannich quaternary ammonium salt detergent.
The Mannich detergent may be made from a long chain alkylphenol.
Another class of dispersants comprises Mannich base condensation products.
The Mannich reaction is done as above.
Also included among the auxiliary dispersants are Mannich type dispersants.
In each Mannich condensation reaction the following general procedure was used.
The operating conditions are those described for the obtention of Mannich bases.
The amine used to form the Mannich detergent can be a monoamine or a polyamine.
The Mannich polyols of the present invention are prepared by alkoxylating a Mannich initiator.
The resulting compound is a detergent of the Mannich quaternary ammonium salt type.
The Mannich condensate is then alkoxylated to prepare the polyol of this invention.
The additive composition of the present invention comprises a Mannich reaction product.
Specific Mannich bases may be selected according to economical and ecological criteria.
Several attempts haven been made in the past to use melamine in a Mannich reaction.
The amine used for forming the Mannich detergent may be a monoamine or a polyamine.
The polymer described above preferably does not contain Mannich base functionality.
Another problem with many Mannich polyols is that they tend to be very viscous.
Another class of polyamines applicable to this invention is the Mannich base dispersants.
Such Mannich base reaction products have given superlative results in an extensive number of tests.
The method for the preparation of the Mannich base is not particularly restricted.
The Mannich bases according to the invention also have a high degree of early water resistance.
The amine used in the manufacture of the Mannich base is any secondary polyamine aiii.
Of a Mannich reaction product and.