functional group


Also found in: Thesaurus, Medical, Legal, Acronyms, Encyclopedia, Wikipedia.
Related to functional group: Homologous series

functional group

n.
An atom or group of atoms, such as a carboxyl group, in an organic compound that defines the structure of a family of compounds and determines the properties of the family.

functional group

n
(Chemistry) chem the group of atoms in a compound, such as the hydroxyl group in an alcohol, that determines the chemical behaviour of the compound

func′tional group`


n.
a group of atoms responsible for the characteristic behavior of the class of compounds in which the group occurs, as the hydroxyl group in alcohols.
[1935–40]

functional group

The atom (or group of atoms) present in a molecule which determines the characteristic properties of that molecule.
Translations
References in periodicals archive ?
The mechanical film strength developments and the effects of functional group density of reactive latexes on the relative rates of interdiffusion and crosslinking reaction during film formation and annealing process were investigated.
Import Functional Group hierarchies that create logical rollup structures within the BOM that can be used for comparison and analysis between BOMs
Comprehensive Organic Functional Group Transformations II (COFGT-II) will provide the first point of entry to the literature for all scientists interested in chemical transformations.
Techniques for each functional group are described in sufficient detail that the researcher can replicate procedures without reference to the original publications-saving hours of tedious library research.
The inner layer comprises a thermoplastic polyurethane resin material with at least one ethylenically unsaturated bond in its backbone, at least one pendent hydroxyl group, or a combination thereof, wherein an interfacial chemical bond is formed between at least one of an unreacted functional group of at least one light-stable aliphatic thermoplastic polyurethane and an unreacted functional group of at least one heat activated crosslinking monomer or agent of the outer layer and at least one of at least one ethylenically unsaturated bond and at least one pendent hydroxyl group of the inner layer.
This practical, well-organized reference delves deeply into functional group transformations, to provide all the detailed information that researchers need.
An enzyme is a large polymer that first grabs a reactant, puts it in contact with a reactive functional group, and then releases the final product.
Summary: Certain embodiments of the present invention provide a tire component comprising a vulcanized rubber, and from about 3 to about 85 parts by weight, per 100 parts by weight rubber, of a filler dispersed within said vulcanized rubber, where the vulcanized rubber includes the vulcanized residue of a thermoplastic-elastomeric block copolymer defined by the formula [alpha]-[pi]-[theta]-[omega] where [alpha] is a hydrogen atom or a functional group, [pi] includes an elastomeric block, [theta] includes a thermoplastic block and [omega] includes a hydrogen atom or a functional group.
The Compendium of Organic Synthetic Methods series facilitates the working chemist's search for the most useful functional group transformations in organic chemistry.
PPG Industries has received a patent for a compound that is comprised of the reaction product of a highly branched polymer having terminal amine functional groups and a lactam, wherein the highly branched polymer is the step-growth polymerization reaction product of a polyfunctional first monomer having a first functional group and a polyfunctional second monomer having a second functional group wherein the first and second functional groups will react with each other but not themselves, wherein formation of the highly branched polymer is free of self-condensation of the polyfunctional first monomer, and free of self-condensation of the polyfunctional second monomer.
Its epoxide functional group can also be used in epoxy chemistry and should be of interest to epoxy resin manufacturers.

Full browser ?