Examples of 'cyclic carbonate' in a sentence
Meaning of "cyclic carbonate"
In chemistry, a cyclic carbonate refers to a compound that contains a cyclic structure with one or more carbonate functional groups. These compounds are commonly used as intermediates or building blocks in organic synthesis
How to use "cyclic carbonate" in a sentence
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cyclic carbonate
Cyclic ketone and cyclic carbonate are preferred.
Method for continuously producing cyclic carbonate.
Each cyclic carbonate group is appended to a polyether segment.
A curing agent having a plurality of cyclic carbonate groups.
Cyclic carbonate compounds react with amines to form hydroxyurethanes.
Apparatus and method for producing cyclic carbonate.
Cyclic carbonate compounds react with amines to give hydroxyurethanes.
A compound having a plurality of cyclic carbonate groups and.
The cyclic carbonate group is reacted with ammonia or a primary amine.
The isocyanate free monomer may be a cyclic carbonate.
The polymers of the cyclic carbonate monomers have outstanding performance.
Method for manufacturing catalyst for synthesizing cyclic carbonate.
Cyclic carbonate compounds can be synthesized by any of several different approaches.
Propylene glycol cyclic carbonate.
Cyclic carbonate compounds may be synthesized by any of several different approaches.
See also
Method for producing catalyst for cyclic carbonate synthesis.
Cyclic carbonate esters of diols decompose to oxetanes and carbon dioxide.
The mixture of solvents preferably does not contain unsaturated cyclic carbonate.
Cyclic carbonate groups can be converted to carbamate groups by reaction with ammonia.
One technique is to react a polyisocyanate or a polyanhydride with a hydroxyalkyl cyclic carbonate.
Cyclic carbonate groups are also formed by the reaction of diols with phosgene.
Addition of water substantially increases the conversion of cyclic carbonate or productivity of a diol.
The cyclic carbonate group can then be converted to a carbamate group as described above.
The compound having a plurality of cyclic carbonate groups can be prepared in several ways.
The cyclic carbonate is preferably substantially completely converted to glycol and dimethyl carbonate.
It is stated that this reaction probably proceeds through the cyclic carbonate ester of glycerine.
The preparation of the cyclic carbonate monomer disclosed in the present disclosure is simple.
Preferred solvents for the process of this invention include dinitriles and cyclic carbonate esters.
The cyclic carbonate compounds according to the invention react with amines to give hydroxyurethanes.
Useful solvents for the process of this invention include certain dinitriles and cyclic carbonate esters.
The perfect removal of the cyclic carbonate byproduct is most preferable but is generally difficult.
Mixture of solvents according to claim 1, not comprising unsaturated cyclic carbonate.
The apparatus for producing a cyclic carbonate illustrated in Fig.
Cyclic carbonate compounds are well-known in the art.
Table IV below gives the amounts of cyclic carbonate formed using three different catalysts.
The cyclic carbonate groups are five-member rings.
Thus, a particularly preferred cyclic carbonate is glycerol carbonate.
Cyclic carbonate azide having a structure according to the following formula, wherein.
In a first variant, said saturated cyclic carbonate is ethylene carbonate.
The oligofunctional cyclic carbonate was prepared by placing this solution in an autoclave with 5.0 g tetrabutylammoniumiodide.
In a second variant, said saturated cyclic carbonate is propylene carbonate.
In some embodiments, the curing agent is a reaction product of a polyamine and a cyclic carbonate.
Background Art The cyclic carbonate monomers have unique properties.
The cellulose urethane derivative 27 was obtained via the cyclic carbonate precursor.
Amounts of cyclic carbonate as by-products are not disclosed.
In the present invention, the unreacted cyclic carbonate is converted to a diol.
In another preferred embodiment of the invention, the component a is premixed with a cyclic carbonate.
Preferably, the cyclic carbonate is reacted with ammonia.
The cell according to claim 1, in which said unsaturated cyclic carbonate is vinylene carbonate.
Formation of the cyclic carbonate is conducted as described in preparation 1.
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