acid anhydrides


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  • noun

Synonyms for acid anhydrides

organic compounds that react with water to form an acid

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References in periodicals archive ?
Acylated low molecular weight chitosan were synthesized from the nucleophilic acyl substitution reaction of chitosan and acid anhydrides include butyric, hexanoic, octanoic and decanoic anhydride, as shown in the Fig.
Recently [10], the nonsubstituted imidazoles were ascertained to form adducts also with acid anhydrides catalyzing polyaddition reaction of oligomer's epoxy group with anhydride epoxy group followed by formation of a cross-linked polymer.
Carboxylic acid anhydrides, free acids and sulphoxides are not naturally occurring compounds but are artifacts of the oxidation process associated with the aging process.
The enzymatic hydrolysis and thus detoxication of certain organophosphorus acid anhydrides, commonly termed "nerve gases," is now well documented (1).
Unfortunately, like many carbonic acid anhydrides, TMA can cause skin irritations and allergic effects of the respiratory systems.
Sher, An efficient esterification of pullulan using activated carboxylic acid anhydrides with iodine, Collect.
has been granted a patent for a powder coating composition comprised of a first component comprised of a melt-blended mixture of at least one glycidyl group-containing acrylic resin having an epoxide equivalent weight of from approximately 250 to 1,500 and glass transition temperature of 30[degrees]C to 80[degrees]C and a curing agent selected from the group consisting of dicarboxylic acids, dicarboxylic acid anhydrides, and mixtures thereof; and a second component dry-blended with the first component, comprising at least one carboxyl-group containing material that has acid number of 10-300 and that is not substantially compatible with the first component.
The powder coating composition comprises a polyester resin comprising an acid structural block selected from the group consisting of aromatic dicarboxylic acids, aromatic dicarboxylic acid anhydrides, and aromatic dicarboxylic acid esters, and a polyfunctional low molecular weight epoxide crosslinking agent.
of Korea, E.E.W = 187 g/mol) with methylbicyclo-[2,2,l]heptene-2,3-dicarboxylic acid anhydride (NMA, supplied by Aldrich Chem.