Examples of 'hexamethylenediamine' in a sentence
Meaning of "hexamethylenediamine"
hexamethylenediamine (noun) - Hexamethylenediamine is a chemical compound used in the production of polymers such as nylon. It is commonly known as HMDA and is a key component in various industrial processes
Show more definitions
- A compound with chemical formula H₂N(CH₂)₆NH₂, a colourless solid with a strong amine odour, used in the production of polymers.
How to use "hexamethylenediamine" in a sentence
Basic
Advanced
hexamethylenediamine
Denotes hexamethylenediamine condensed with adipic acid.
It is obtained by reacting adipic acid with hexamethylenediamine.
Denotes hexamethylenediamine condensed with sebacic acid.
It is obtained by reacting caproic acid with hexamethylenediamine.
Hexamethylenediamine is stable in air but combustible.
Preferred diamine compounds are hexamethylenediamine and tetramethylenediamine.
A particularly preferred amine in this process is hexamethylenediamine.
Hexamethylenediamine and hexamethylenediamine carbamate are preferred.
This is the product of reaction of methanol and hexamethylenediamine.
Hexamethylenediamine and its salts.
The preferred diamine is hexamethylenediamine.
Hexamethylenediamine is added at the head of the continuous polymerization vessel.
A stoichiometric solution of dimeric acid and hexamethylenediamine was thus obtained.
Hexamethylenediamine is also an important chemical intermediate in the manufacture of diisocyanate compounds.
It applies more particularly to the hydrogenation of adiponitrile to give hexamethylenediamine.
See also
Hexamethylenediamine of other alkyldiamines may form a portion of the reaction mixture.
A preferred aliphatic diamine is hexamethylenediamine.
Hexamethylenediamine is especially preferred.
One example is propoxylated hexamethylenediamine.
Feeding with hexamethylenediamine takes place below the bottom portion of the packing.
The present invention relates to a process for the purification of hexamethylenediamine.
Parts of hexamethylenediamine.
Another commercial product that has been used in these applications is hexamethylenediamine.
Such compounds include hexamethylenediamine and any of the intermediate metabolites in the hexamethylenediamine.
Suitable diamines for preparing the polyester amides are ethylenediamine and hexamethylenediamine.
Hexamethylenediamine is a preferred diamine for use in preparing the polyamide of the present invention.
This process is advantageously used for hydrogenating adiponitrile to aminocapronitrile and hexamethylenediamine.
The feeding of the hexamethylenediamine takes place below the bottom plate of the column.
Diamines that are suitable for preparing the polyesteramides are ethylenediamine and hexamethylenediamine.
The hexamethylenediamine held in the additional storage vessel is then introduced into the autoclave.
The polycondensation of this salt was then carried out in the presence of hexamethylenediamine adipate.
Product C is reacted with hexamethylenediamine in an amidization reaction.
The dicarboxylic acid is preferably adipic acid and the diamine is preferably hexamethylenediamine.
Modified Hexamethylenediamine The present composition may comprise a modified hexamentylenediamine.
Other examples are insoluble polymers obtained by reacting tetraethylenepentamine or hexamethylenediamine with epichlorohydrin or diepoxides.
Hexamethylenediamine was first reported by Theodor Curtius.
Other suitable polyamides include those produced by condensing dimerized vegetable acids with hexamethylenediamine.
The residence time of the hexamethylenediamine is 3 minutes.
The diamine is preferably ethylenediamine, hexylenediamine or hexamethylenediamine.
Suitable diamines are ethylenediamine, hexamethylenediamine and meta - or paraphenylenediamine.
Preferred diamines are dimethylenediamine, tetramethylenediamine, hexamethylenediamine.
Hexamethylenediamine and its salts; ethylenediamine and its salts.
Most particularly, the aliphatic diamine is hexamethylenediamine.
Hexamethylenediamine is coproduced with 6-aminocapronitrile during the hydrogenation of adiponitrile.
Nylon 66 is synthesized by polycondensation of hexamethylenediamine and adipic acid.
It is, for example, hexamethylenediamine when the nitrile substrate is adiponitrile.
As regards the diamine monomer, this is generally hexamethylenediamine.
At this point, 1 mole of hexamethylenediamine was added per equivalent of lithium.
In certain aspects, the polyamine is a hexamethylenediamine.
A solution of hexamethylenediamine and of a dimeric acid containing 36 carbon atoms in caprolactam is prepared.
