Examples of 'diphenylmethane' in a sentence
Meaning of "diphenylmethane"
Diphenylmethane is a chemical compound composed of two benzene rings, used in various industrial applications
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- The aromatic hydrocarbon (C₆H₅)₂CH₂; it is an intermediate in the synthesis of many other compounds
How to use "diphenylmethane" in a sentence
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diphenylmethane
Diphenylmethane diisocyanate and its polymeric derivatives.
Composition containing a hydroxylated diphenylmethane derivative.
Diphenylmethane diisocyanate which comprises.
Polyisocyanates such as polymeric diphenylmethane diisocyanate.
Modified liquid diphenylmethane diisocyanates are also preferred isocyanates to be used in the present invention.
Suitable examples include polymeric derivatives of diphenylmethane diisocyanate.
These are prepared by reacting diphenylmethane diisocyanate with aliphatic monovalent alcohol.
Benzene can be alkylated with benzylchloride to form diphenylmethane.
Process of preparing diphenylmethane derivatives.
A slightly better selectivity was attained for conversion of a substituted diphenylmethane.
The oil consists of a mixture of diphenylmethane and the free azetidine.
The above polyol composition is reacted with diisocyanato diphenylmethane.
Oxidation of diphenylmethane.
Preferably the polyisocyanate is a polymeric polyisocyanate and most preferably a polymeric diphenylmethane diisocyanate.
This process comprises storing refined diphenylmethane diisocyanate in intimate admixture with glycidol.
See also
Typical aromatic isocyanates include toluene diisocyanates and diphenylmethane diisocyanates.
Kinetics of the fluorene and diphenylmethane oxidations showed typical sigmoidal autoxidation rate profiles.
Typical substituted alkylaromatic compounds are diphenylmethane and diphenylethane.
Water emulsifiable diphenylmethane diisocyanate available from ICI Polyurethanes.
Most of them are based on diphenylmethane.
A method of preparing liquid diphenylmethane diisocyanate is disclosed by Japanese Patent Application No.
Bisacodyl is a derivative of diphenylmethane.
Hydroxylated diphenylmethane derivative as described below ;.
The composition is used to prepare polyurethane foams with diphenylmethane diisocyanate.
A prepolymer of diphenylmethane diisocyanate, comprising the reaction product of,.
Process for producing diamines and polyamines of the diphenylmethane series.
Preferably, a modified diphenylmethane diisocyanate is used.
Examples of polymeric isocyanate include aromatic isocyanates that are based on diphenylmethane diisocyanate.
Diphenylmethane diisocyanate, this term does not include prepolymers.
Prepolymers of the polymeric allophanates based on diphenylmethane diisocyanate are storage stable liquids.
Process for the simultaneous production of different mixtures of diisocyanate isomers of the diphenylmethane series.
Said adhesive comprised the reaction product of diphenylmethane diisocyanate with polypropylene glycol.
A composite article according to any preceding claim wherein the organic polyisocyanate comprises a diphenylmethane diisocyanate.
Solvents such as diphenylmethane and sec-butylbiphenyl are preferred.
Numerous patent references relating to the preparation of liquid diphenylmethane diisocyanates have issued.
Similarly, diphenylmethane and benzylcarbamates can be used as amine protecting groups.
Prepolymers based on polyether polyols or polyester polyols and diphenylmethane diisocyanate are particularly preferred.
The diphenylmethane diisocyanate may contain a slight amount of uretonimine-modified diphenylmethane diisocyanates.
Preferred are isocyanate compositions comprising aromatic diisocyanates and more preferably diphenylmethane diisocyanates.
A method according to claim 4 wherein the diphenylmethane diisocyanate is carbodiimide modified.
Some of such suitable aromatic polyisocyanates can include toluene diisocyanate and diphenylmethane diisocyanate.
However, the isomers of diisocyanates of diphenylmethane can be recovered by distillation under a high vacuum.
A laminated composite according to any preceding claim wherein the reaction mixture comprises a diphenylmethane diisocyanate.
Method according to claim 44 wherein the polyisocyanate is diphenylmethane diisocyanate or polymethylene polyphenylene polyisocyanate.
Dielectrics comprising methyl/benzyl derivatives of diphenylmethane.
Prepolymer composition, prepolymer + excess diphenylmethane diisocyanates used for preparing the prepolymer.
In particular it refers to reacting benzene, with benzylchloride to form diphenylmethane.
The preferred diisocyanates are hexamethylene diisocyanate, diphenylmethane diisocyanate and isophorone diisocyanate.
Auramine is a diphenylmethane dye, and among its applications are included dyeing textile and paper.
The isocyanate used in this Example was polymeric diphenylmethane diisocyanate BASF PAPI No.