Examples of 'isophorone' in a sentence
Meaning of "isophorone"
Isophorone is an organic compound used in the production of some polymers. It is characterized by having an isophorone ring structure and is used as an intermediate in chemical synthesis
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- An α,β-unsaturated cyclic ketone, a colourless to yellowish liquid with a characteristic smell, used as a solvent and as an intermediate in organic synthesis.
How to use "isophorone" in a sentence
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isophorone
Isophorone diisocyanate is the most preferred diisocyanate.
Hexamethylene diisocyanate and isophorone diisocyanate are preferred.
Isophorone is degraded by attack of hydroxyl radicals.
Most preferably the polyisocyanate is isophorone diisocyanate.
Isophorone is found in the two tests of diving suits.
One presently preferred diisocyanate is isophorone diisocyanate.
Isophorone diisocyanate is a preferred aliphatic polyisocyanate.
The diisocyanate is preferably isophorone diisocyanate or hexamethylene diisocyanate.
Isophorone itself contains many impurities.
The latent solvent chosen is isophorone.
It is also possible to use isophorone diisocyanate and hexamethylene diisocyanate.
Isophorone diisocyanate is especially suitable.
One preferred polyisocyanate is isophorone diisocyanate.
Isophorone diamine is a preferred diamine.
A further suitable diisocyanate is isophorone diisocyanate.
See also
Isophorone diisocyanate can also be used with the invention.
Most preferred is isophorone diisocyanate.
It can be synthesized by hydrogenation of isophorone.
Phorone and isophorone may be formed under the same conditions.
Examples of other organic solvents include furfural and isophorone.
Particularly preferred is isophorone diisocyanate.
The dilithium salt of malic acid is also insoluble in the isophorone.
Especially preferred is isophorone diisocyanate.
Isophorone nitrile is initially iminated with ammonia to afford isophorone nitrile imine.
Examples of suitable aliphatic diisocyanates are hexamethylene diisocyanate and isophorone diisocyanate.
Said isophorone nitrile imine is hydrogenated to afford isophoronediamine in the second step.
Examples thereof are trimerized hexamethylene diisocyanate and trimerized isophorone diisocyanate.
The isophorone diurethane used as a starting material can be made in known ways.
Preferred cycloaliphatic polyisocyanates include dicyclohexylmethane diisocyanate and isophorone diisocyanate.
Isocyanurates such as the isocyanurates of isophorone diisocyanate or hexamethylene diisocyanate are particularly preferred.
Suitable aliphatic polyisocyanates include hexamethylene diisocyanate and isophorone diisocyanate.
This diamine is used to produce isophorone diisocyanate which has certain niche applications.
Isophorone has a technical function as highboiling solvent for adhesive and ovendrying laquers.
The polyurethane portion was obtained by reaction of isophorone diisocyanate and polypropylene glycol.
The present invention relates to novel aldehydes and nitriles resulting from isophorone.
Trimers of diisocyanates are preferred and trimers of isophorone and hexamethylene diisocyanates are more preferred.
Only a portion of the catalyst is recycled after settling and separation of the isophorone.
Other isocyanates which may be useful include isophorone diisocyanate and dimethylxylylidene diisocyanate.
Specifically used polyisocyanates are trimers of diisocyanates such as hexamethylene diisocyanate and isophorone diisocyanate.
The resulting isophorone nitrile is obtained in high yield and with low impurity content.
The present invention relates to a new process for obtaining isophorone from acetone.
Isophorone which has a yellow color and a high acidity does not produce good product.
Examples of the alicyclic diisocyanate include hydrogenated xylylene diisocyanate and isophorone diisocyanate.
Isophorone diisocyanate has a reasonable degree of resistance to both the aromatic solvents and aliphatic solvents.
A thermoplastic elastomer as claimed in any preceding claim wherein the diisocyanate is isophorone diisocyanate.
Examples of the blocked diisocyanates include caprolactam blocked isophorone diisocyanate and caprolactam blocked hexamethylene diisocyanate.
The adduct of isophorone diisocyanate and dimethylaminopropyl amine and Bisphenol A is preferred.
Examples of primary amines that are suitable as a catalyst are isophorone diamine and butyl amine.
Introducing isophorone into a reaction vessel ;.
In the previous formula IPD means isophorone diamine.
