acid anhydride


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acid anhydride

n
(Elements & Compounds) another name for anhydride3
References in periodicals archive ?
Chemical intermediate and pharmaceutical end-use applications of isatoic acid anhydride account for a share of around 30% - 40% in the global Isatoic Acid Anhydride market.
Summary: Chemical intermediate and pharmaceutical end-use applications of isatoic acid anhydride account for a share of around 30% - 40% in the global Isatoic Acid Anhydride market.
The present invention relates to a modified cellulose fiber-containing rubber composition containing: a modified cellulose fiber (A) obtained by adding a C15 or higher cyclic polybasic acid anhydride (a) containing a hydrophobic group to a cellulose fiber through esterification; a dispersing polymer (B) having a softening point of 135[degrees]C or lower; and a rubber component (C).
Thus, the authors [2] have made cassava starch modification by propionic acid anhydride to improve interfacial adhesion of polyurethane.
Therefore, reaction (2) was the catalyst initiation reaction among whole reactions (2)-(6) and propanoic acid anhydride formed a real catalyst, propanoyl chloride.
Asthma due to inhaled chemical agents--epoxy resin systems containing phthalic acid anhydride, trimellitic acid anhydride and triethylene tetramine.
Thus, the present study deals with the surface modification of bagasse paper sheet by grafting with long hydrocarbon chain through heterogeneous esterification with fatty acid anhydride. The prepared substrates were then characterized by FTIR, Scanning Electron Microscopy, X-ray photoelectron spectroscopy and contact angle measurements.
"Fewer people in Britain are affected by the condition but, still, our hangovers do vary greatly from one person to another, which is at least in part due to a nasty toxic molecule called acid anhydride.
By forming a propionic acid anhydride derivative, resolution of morphine and codeine from common interferences was greatly improved (Figure 3).
Absolute ethanol, ammonia solution, maleic acid anhydride (MAA), divinylbenzene (DVB), and N-methyl-2-pyrrolidone (NMP) were used as received without further purification.
An acid anhydride with a chlorine content of 54.5%, it is used as a flame retardant and corrosion-resistant agent for unsaturated polyester and alkyd resins, and as a crosslinking agent in epoxy.
of Korea, E.E.W = 187 g/mol) with methylbicyclo-[2,2,l]heptene-2,3-dicarboxylic acid anhydride (NMA, supplied by Aldrich Chem.