quaternary ammonium compound

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quaternary ammonium compound

Any of a group of compounds composed of a cation, in which a central nitrogen atom is joined to four organic groups, and any of various anions, used as antiseptics, solvents, and emulsifying agents.

quaternary ammonium compound

(Elements & Compounds) a type of ionic compound that can be regarded as derived from ammonium compounds by replacing the hydrogen atoms with organic groups

quat′ernary ammo′nium com`pound

any of a class of salts derived from ammonium in which the nitrogen atom is attached to four organic groups; used as antiseptics and disinfectants.

[1815–25]

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Noun

quaternary ammonium compound - a compound derived from ammonium with hydrogen atoms replaced by organic groups; used as surface-active agents, disinfectants, and in drugs

organic compound - any compound of carbon and another element or a radical

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These phenomena can be explained by the hydrophobic film resulting from absorption of quaternary ammonium compounds on MMT, which blocks the water penetrating into the clay and prevents clay from hydrating swelling.

Synthesis and Performance Evaluation of Quaternary Ammonium Salt as Potential Shale Inhibitor

Quaternary ammonium TPBs were synthesized through the reaction of 1 mol of TPB sodium aqueous solution and 1 tool of quaternary ammonium compound (Lin et al.

A laboratory test of the leachability and decay resistance of some synthesized borate compounds

In order to thicken oil and solvent systems, the hydrophilic clays are modified with various types of hydrophobic quaternary ammonium compounds.

Rheological Additive Selection for Printing Inks

Quaternary ammonium compounds in plants in relation to salt resistance.

Genotypic variation for glycinebetaine in Sorghum. (Crop Physiology & Metabolism)

The method uses quaternary ammonium compounds for inhibiting the attachment of and for removing foodborne microbial contamination from poultry and meat products.

Mouthwash ingredient may substitute for chlorine in killing meat pathogens

DDACb used in ACQ formulation is a dialkyl-type, quaternary ammonium compound, which is a very effective biocide.

Effect of copper to quat ratio on fixation and leaching of preservative components in alkaline copper quat-treated wood

Lonza's Carboquat is a quaternary ammonium compound that could be used to treat wood flour for WPCs.

Wood-filled plastics: they need the right additives for strength, good looks & long life

A glass-fiber matrix is precoated with a positively charged quaternary ammonium compound that, after hemolysis of the blood sample, electrostatically captures the negatively charged glycohemoglobin complex.

Chronic lymphocytic leukemia cells may interfere in a glycated hemoglobin assay based on fluorescence quenching

The formulations most commonly used by the BC industry are based on the quaternary ammonium compound didecyldimethylammonium chloride (DDAC).

CANADIAN BLUESTAIN FUNGI: VARIATION IN TOLERANCE TO SAPSTAIN CONTROL BIOCIDES

and quaternary ammonium Compound titrated as Alkyl ( c12 ), dimethyl benzyl Ammonium, chloride, Benzalkonium Chloride ( BKC 50 % ) - 20 % w/w

Supply Of Pesticides (bactericide, Germicide, Fungicide, Sporicide ) Special Propritary Base Q.s. And Quaternary Ammonium Compound Titrated As Alkyl ( C12 ), Dimethyl Benzyl Ammonium, Chloride, Benzalkonium Chloride ( Bkc 50 % ) - 20 % W/w

In fact, all hair conditioners on the market today continue to contain cationic surfactants, either a fatty quaternary ammonium compound or an amine salt.

Formulating non-traditional hair conditioners: consumer demand for novel products has forced the industry to move beyond ordinary cream rinses. Here are some new ideas in formulation

Tenders are invited for Supply Of Quaternary Ammonium Compound Based Biocide (Qac)