anhydride

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  • noun

Words related to anhydride

a compound formed from one or more other compounds in a reaction resulting in removal of water

References in periodicals archive ?
[USPRwire, Thu Aug 29 2019] The key growth driving factor for the global Isatoic Acid Anhydride market is its use in pharmaceuticals and dyes & pigments.
[ClickPress, Thu Aug 29 2019] The key growth driving factor for the global Isatoic Acid Anhydride market is its use in pharmaceuticals and dyes & pigments.
Esterification solution was prepared by addition of acid anhydride to a mixture of 50 mL C[H.sub.2][Cl.sub.2] and 2 mL pyridine under stirring at room temperature for 30 minutes.
"It's the body's way of breaking down the alcohol and, for most of us, acid anhydride disappears from our bloodstream almost immediately.
e-mail: lilijunscut@yahoo.com.cn; lilijunscut@hotmail.com Table 1: Raw materials Materials Grade Aluminum pigments [greater than or equal to]99%, ~30 [micro]m Absolute ethanol [greater than or equal to]99.5% Ammonia solution 25-28% (a) Tetraethoxysilane [greater than or equal to]28.5% (b) Vinyltriethoxysilane [greater than or equal to]98% Styrene [greater than or equal to]99% Maleic acid anhydride [greater than or equal to]99.5% Divinylbenzene 55.2% 2,2'-azobis (isobutyronitrile) [greater than or equal to]99% N-methyl-2-pyrrolidone [greater than or equal to]99.8% Materials Manufacturer Aluminum pigments Tianlong Trade Co., Ltd.
A granulate of wood or some other cellulose-containing material, pieces or particles of said material being at least partially esterified with 10-50% of a dicarboxylic acid anhydride and then impregnated with 2-25% of a polyol, the granulate being stable in storage and being possible to hot press or hot form later.
These findings and speculations have important implications for protection against, and disposal of, the acid anhydride type nerve gases, of which soman is an important example.
[USPRwire, Mon Mar 11 2019] Derived from anthranilic acid, Isatoic Acid Anhydride is a white solid organic compound produced by the reaction of anthranilic acid and phosgene.
A thermoplastic resin composition obtained by dispersing a modified rubber having an acid anhydride group or an epoxy group into a polyamide resin and an ethylene vinyl alcohol copolymer, the thermoplastic resin composition being characterized in that the ratio of the polyamide resin to the ethylene vinyl alcohol copolymer is between 47/53 and 61/39.
In previous papers [15, 16], we reported the synthesis of homopolypeptides [15] and random copolypeptides [16] upon heating of N-t-butyloxycarbonyl aspartic acid anhydride (Boc-Asp anhydride) and mixtures of Boc-L-Asp, anhydride, and Boc-Gly, Boc-L-Ala, or Boc-Val.
has obtained a patent for a method for imparting defoaming property to a baking finish type topcoat paint containing an acid anhydride curing agent, a melamine resin curing agent or a glycidyl-containing acrylic resin/acid anhydride curing agent for motor vehicles comprised of the step of adding a copolymer of 2%-50% by weight of a polymerizable monomer capable of forming a copolymer having isocyanate groups which can react with a binder resin in thermosetting paint or a polymerizable monomer capable of forming a copolymer having groups capable of producing isocyanate groups which can react with a binder resin in thermosetting paint during baking step of the same paint, and 98%-50% by weight other monomer or polymer reactable with the polymerizable monomer or to the topcoat paint.
Highly suitable polycarboxylic acids are, for instance, phthalic acid anhydride, terephthalic acid anhydride, trimellitic acid, adipic acid, and maleic acid.
and pulled at a pull rate of between 50 and 250 m/min, without breaking; 2-30% of an additional polypropylene functionalized by an unsaturated carboxylic acid anhydride; the MFI of the composition being between 10 and 50 g/10 min.
The present invention is a thermoplastic elastomer composition comprising an ethylene-vinyl alcohol copolymer and a modified rubber dispersed in the ethylene-vinyl alcohol copolymer, wherein the modified rubber has an acid anhydride group or epoxy group and is dynamically crosslinked by a compound having at least two amino groups.
The thermally and radiation curable powder coatings are comprised of at least one resin A having epoxy groups and at least one compound B having acid and/or acid anhydride groups, characterized in that the resin A has a specific content of epoxy groups of from 0.2 mol/kg to 3.4 mol/kg, and if compound B has acid groups, that the compound B has an acid number of from 150 mg/g to 600 mg/g, and that at least one of the components A and B contains olefinically unsaturated groups, the thermal curing being effected by reaction of the epoxy groups with the acid and/or acid anhydride groups.