polyhydric alcohol


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polyhydric alcohol

[¦päl·i¦hī·drək ′al·kə‚hȯl]
(organic chemistry)
An alcohol with many hydroxyl (‒OH) radicals, such as glycerol, C3H5(OH3). Also known as polyalcohol; polyol.
References in periodicals archive ?
Polyether polyols are manufactured by the propoxylation of a polyhydric alcohol in the presence of a catalyst.
The thermoplastic starch includes a biodegradable starch polymer plasticized with a polyhydric alcohol.
has been granted a patent for a starch-based coating composition comprised of a naturally derived resin and a resin composition obtained by reacting a starch and/or a starch that has been esterified, etherified, oxidized, acid treated or dextrinated or modified by comprising one or more groups selected from the group consisting of aliphatic saturated hydrocarbon groups, aliphatic unsaturated hydrocarbon groups, and aromatic hydrocarbon groups, which are bonded by ester bonds and/or ether bonds to the starch or to a decomposition product of a starch that has been processed by a low molecularization treatment with an enzyme, acid or oxidizing agent, with a compound containing an isocyanate group obtained by reacting a polyisocyanate compound and a polyhydric alcohol.
21, 2008) as a combination of a polyhydric alcohol (glycerol or glycol); an organic acid (adipic, citric, maleic, succinic, polyacrylic or some combination); and an anhydride (succinic, maleic, phthalic or some combination) together with any of a number of common fillers like talc or clay.
The patent describes the use of sorbitol (easily derived from starch) as the polyhydric alcohol and the use of succinic acid anhydride as the polycarboxylic acid.
Tokyo, Japan, Sept 22, 2005 - (JCNN) - Mitsubishi Gas Chemical and Mitsubishi Chemical have signed a basic agreement to establish a joint venture, Polyols Asia, for production and sales of polyhydric alcohol (neopentyl glycol, trimethyrol propane, and ester glycol).
The drying oil is reacted with a polyhydric alcohol like glycerol or pentaerythritol, forming polyol-modified vegetable oil or polyol-modified fatty acid.
Sorbitol is a natural polyhydric alcohol widely found in plants.
acrylate or methacrylate ester of aliphatic polyhydric alcohol and as a curing agent a Component B comprising: c.
Polyether polyols are manufactured by ethoxylation or propoxylation of a polyhydric alcohol in the presence of a catalyst.
The hair wax composition contains water, at least one monohydric alcohol, at least one polyhydric alcohol, at least one nonionic emulsifier and at least one wax.