carboxyl group


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Related to carboxyl group: Carboxyl functional group

carboxyl group

(kɑːˈbɒksaɪl; -sɪl) or

carboxyl radical

n
(Elements & Compounds) the monovalent group –COOH, consisting of a carbonyl group bound to a hydroxyl group: the functional group in organic acids
[C19 carboxyl, from carbo- + oxy-2 + -yl]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.carboxyl group - the univalent radical -COOH; present in and characteristic of organic acids
chemical group, radical, group - (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
References in periodicals archive ?
The interfacial reaction between the carboxyl group of PBMA and the amide functional group of PA 6 matrix during melt processing improved the rubber particles' dispersity and the stress transfer in the blends.
It is attained by a coating composition comprising a hydrosol emulsion and colloidal silica, wherein the hydrosol emulsion is obtained by neutralizing, with an alkali, a synthetic resin emulsion prepared by dispersing, in water, particles of a synthetic resin having a carboxyl group and an alkoxysilyl group.
More important, the swelling of hydrogels is controlled by the amount of carboxyl group according to Flory-Huggins-Tanaka theory (40).
has been granted a patent for a powdered thermosetting composition including a binder which is comprised of a carboxyl group containing amorphous isophthalic acid containing polyester, a carboxyl group containing semi-crystalline polyester, at least 10 parts by weight, based on the total weight of the binder, of a glycidyl group containing acrylic copolymer.
The polyurethane is comprised of a mixture of at least two polyurethane compounds, wherein the polyurethane compounds comprise a reaction product of a polyester polyol that contains at least one carboxyl group, a polyol, and a polyisocyanate, wherein at least a portion of the polyol comprises a polyol that contains at least one carboxyl group, and wherein the polyurethane compounds each have a number-average molecular weight of from 1,000 to less than 20,000.
or less, substantially free from co-solvents and having at least one carboxyl group, a water-soluble cross-linker reactive with the carboxyl groups.
This can be attributed to decrease in the crystallinity due of the presence of unreacted pendant carboxyl, hydroxyl groups, and the catalytic effect of the carboxyl group.
Moreover, each CP molecule may be grafted with several different PA 6 molecules, since each CP molecule is associated with more than one carboxyl group.
1] can be assigned to -COO symmetric stretching vibration of carboxyl group.
10x molar excess 1-ethyl-3-[3-dimethylaminopropyl] carbodiimide hydrochloride (EDC) and N-Hydroxysuccinimide (NHS) were added to activate the carboxyl group of ELP to facilitate the formation of a peptide bond between ELP and PA (Figure 1).
CCP Composites US LLC has been granted a patent for a thermosetting, crosslinkable resin composition suitable for preparing a gel coat, the composition is comprised of: a polyester acrylic polymer having an average of more than two polymerizable carbon-carbon double bonds in each molecule, the carbon-carbon double bonds in the polyester acrylic polymer being from a reaction product of a saturated polyacid half-ester having an average acid functionality of two or more and an unsaturated epoxide monomer in about chemically equivalent amounts to furnish one epoxy group per carboxyl group, the saturated polyacid half-ester being the reaction product of one or more polyols having an average of at least two hydroxy