anhydride

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anhydride

 [an-hi´drīd]
a compound derived from a substance, usually an acid, by removal of a molecule of water.

an·hy·dride

(an-hī'drīd),
An oxide that can combine with water to form an acid or that is derived from an acid by the abstraction of water.

anhydride

/an·hy·dride/ (an-hi´drīd) any compound derived from a substance, especially an acid, by abstraction of a molecule of water.
chromic anhydride  chromic acid.
phthalic anhydride  a reactive low-molecular-weight compound with various industrial uses; it causes skin irritation and its fumes cause hypersensitivity pneumonitis.

anhydride

[anhī′drīd]
Etymology: Gk, a + hydor, without water
a chemical compound derived by the removal of water from one or more substances, especially an acid.

an·hy·dride

(an-hī'drīd)
An oxide that can combine with water to form an acid or that is derived from an acid by the abstraction of water.

anhydride

a compound derived from an acid by removal of a molecule of water.
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References in periodicals archive ?
The anhydrides were predicted to react with the amino acid side chains of serine, threonine, arginine, asparagine, lysine, histidine, tyrosine, glutamine, and cysteine.
Acetylation labeling mass spectrometry: a method for studying protein conformations and interactions
Alcoholysis of anhydrides is catalyzed by tertiary amines.
Kinetics and mechanism of curing epoxy/anhydride systems
Films of the epoxidized polymer were crosslinked using 1,5-diaminopentane (amine A), 1,9-diaminononane (amine B), pyromellitic anhydride (anhydride A), or trimellitic anhydride (anhydride B).
Epoxidized poly(decenyloxazoline) in thermoset coatings
The characteristic difference between AOSA and ASA is that for AOSA compounds the succinic anhydride groups are always linked to the center of the alkenyl chains.
Summaries of July 2004 peer-reviewed papers
In this study the grafting of maleic anhydride onto elastomeric ethylene-octene copolymer (EOR) was carried out in a twin-screw extruder.
Melt Grafting of Maleic Anhydride Onto Elastomeric Ethylene-Octene Copolymer by Reactive Extrusion
Hydrolyzed styrene-maleic anhydride resins perform as classic anionic polymeric surfactants, combining hydrophobic (styrene) and hydrophilic (carboxylic acid ammonium salt) structural units along a common backbone.
A New pH Neutral Waterborne Dispersing Resin for Metallic and Organic Pigments
Makes three anhydrides and an amine epoxy curing agent: dodecenylsuccinic anhydride, hexahydrophthalic anhydride, methylhexahydrophthalic anhydride, and a cycloalaphatic diamine known as Millamine 5260.
Epoxy curatives
The market research is accomplished by a list of major Maleic Anhydride suppliers and profiles of leading producers.
Maleic Anhydride (MA): 2010 World Market Outlook and Forecast Been Recently Released by MarketPublishers.com
In this work, the homogeneous model system involves a simple addition reaction mechanism leading to an exothermic reaction between epoxide and anhydride activated groups.
Cure and Reaction Kinetics of an Anhydride-Cured Epoxy Resin Catalyzed by N-benzylpyrazinium Salts Using Near-Infrared Spectroscopy
Chains extension by ester formation between anhydrides and free hydroxyl chain ends (Reaction II) is therefore suggested as a reaction scheme for this step.
Anhydride chain ends functionalization of poly(ethylene terephthalate)
Offers formulated liquid amines, polyamides, anhydrides, and Lewis acids, both filled and unfilled.
Epoxy curatives: product lines reviewed
CE's reportedly can outperform aromatic amine and anhydride curing agents in epoxy systems that are less expensive than CE homopolymers ($15/lb) or bismaleimides.
'Hybrids' extend epoxy performance

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