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Alkaline copper quaternary, usually abbreviated ACQ, is a type of water-based wood preservative product containing a soluble copper(II) complex and quaternary ammonium alkyl- or aryl-substituted compounds ("quats"). Thus the product was originally called ammoniacal copper/quaternary ammonium. [1] [2]
Alkaline copper quaternary (ACQ) is a preservative made of copper, a fungicide, and a quaternary ammonium compound (quat) like didecyl dimethyl ammonium chloride, an insecticide which also augments the fungicidal treatment.
Similar water-borne preservatives include alkaline copper quaternary (ACQ) compounds, copper azole (CuAz), ammoniacal copper zinc arsenate (ACZA), copper citrate, and copper HDO (CuHDO). [citation needed] Usually more expensive options, but safer, are pressure and heat treated lumber which contains no chemicals. Usually they lack the long-term ...
Wood is a material found as the primary content of the stems of woody plants, ... Alkaline copper quaternary; Anigre; Australian wormy chestnut; B. Bilinga (wood)
Timber that is to be used above the water table can be protected from decay and insects by numerous forms of wood preservation using pressure treatment (alkaline copper quaternary (ACQ), chromated copper arsenate (CCA), creosote, etc.). Splicing timber piles is still quite common and is the easiest of all the piling materials to splice.
Timber preservatives include chromated copper arsenate (CCA), alkaline copper quaternary (ACQ), copper azole (CuAz), borates, sodium and potassium silicate, oil-based preservatives, such as creosote and pentachlorophenol, light organic solvent preservatives (LOSP), propiconazole-tebuconazole-imidacloprid, epoxy resins, wood acetylation, natural ...
Copper naphthenate is not listed as a hazardous air pollutant or reproductive toxin, contains no listed carcinogens, and exhibits low mammalian toxicity by oral, dermal, and inhalation routes of exposure. [11] As with all other types of preservative treatment, wood treated with copper naphthenate is not considered a hazardous waste.
As a significant product of copper mining, copper(II) oxide is the starting point for the production of many other copper salts. For example, many wood preservatives are produced from copper oxide. [3] Cupric oxide is used as a pigment in ceramics to produce blue, red, and green, and sometimes gray, pink, or black glazes. [3]