Examples of 'carbodiimides' in a sentence
Meaning of "carbodiimides"
carbodiimides: Chemical compounds used in organic synthesis, especially in the production of polymers
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- plural of carbodiimide
How to use "carbodiimides" in a sentence
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carbodiimides
Other carbodiimides are also envisioned as coupling agents.
Process for the synthesis of substituted carbodiimides.
Suitable water dispersible carbodiimides are commercially available.
The carbodiimides are commercially available products which are known per se.
Polyepoxides and carbodiimides are preferred.
Thioureas have in turn been used commercially as precursor forms of carbodiimides.
Formation of carbodiimides from substituted ureas.
Representative covalent crosslinking agents include carbodiimides and diisocyanates.
The carbodiimides are very reactive with carboxylic acid functional groups.
The presence of at least equimolar amounts of carbodiimides is also advantageous.
Carbodiimides can be prepared to use in this invention by well known procedures.
Carboxylated latices are activated for example by using carbodiimides as coupling reagents.
The carbodiimides used depend on the medium in which the polymer is soluble.
These compounds avoid the use of the coupling agent such as carbodiimides.
The carbodiimides according to the invention are preferably purified after preparation thereof.
See also
Examples of the reagent used include dehydrative condensation agents such as carbodiimides.
Carbodiimides or other catalysts may be used to catalyze the amidation of carboxyl groups.
One category of acid activating agent well known in the art is carbodiimides.
The reaction conditions with carbodiimides are well described in the cited patents above.
Carboxylic groups of glutamate and aspartate side chains may be modified by carbodiimides.
The conjugation with carbodiimides has the disadvantage of giving place to side reactions.
Procedures have been developed which use reagents such as carbodiimides as amide coupling agents.
Techniques for modifying carbodiimides to make them water dispersible are well known in the art.
Coupling reagents contemplated for use in the present invention include hydroxysuccinimides and carbodiimides.
Such carbodiimides are herein also called carbodiimides C.
They also have high viscosities at room temperature which impedes handling of these carbodiimides.
Carbodiimides are a well-known class of organic compounds.
Of these, we prefer the carbodiimides and diphenylphosphoryl azide.
Carbodiimides may be used together with p-nitrophenol or hydroxysuccinimide.
Dimethylol propionic acid, and aliphatic or aromatic carbodiimides.
These carbodiimides can be allphatic, cycloaliphatic or aromatic carbodiimides.
Illustrative coupling reagents include glutaraldehyde, hydroxysuccinimides, and carbodiimides.
Other carbodiimides exist, but are generally for organic synthesis.
Mixtures of these peroxides, epoxides and carbodiimides may be used.
The carbodiimides are products that are known per se, which are commercially available.
Examples of the crosslinking promoters include, but are not limited to, carbodiimides.
Of these, we prefer the carbodiimides or a combination of a phosphine and an azodicarboxylate or azodicarboxyamide.
These techniques use, for example, reagents such as glutaraldehyde and carbodiimides.
Some carbodiimides are known amongst the unconventional cross-linking agents.
It was found that, surprisingly, this object was achieved by employing certain aromatic carbodiimides.
For example, carbodiimides such as dicyclohexylcarbodiimide can be preferably used as such reagents.
Examples of hydrolysis stabilizers include oligomeric and / or polymeric aliphatic or aromatic carbodiimides.
However, these carbodiimides have the disadvantage of being volatile even at low temperatures.
Mixtures of the said peroxides, epoxides and carbodiimides may also be used.
In general, carbodiimides are known to be coupling reagents for the formation of amide linkages.
As hydrolysis inhibitors, preference is given to oligomeric and / or polymeric aliphatic or aromatic carbodiimides.
Other water-soluble carbodiimides are known in the art and can also be used.
The examples of the modified products include biuret, isocyanurates, allophanates and carbodiimides.
Carbodiimides are for technical reasons less suited for industrial upscaling of synthetic processes, though.
Preferred carboxy-group specific reactive groups are amino-groups in the presence of carbodiimides.
