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Metal deactivator
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Metal deactivators, or metal deactivating agents (MDA) are fuel additives and oil additives used to stabilize fluids by deactivating (usually by sequestering)Polymer stabilizer (2,958 words) [view diff] exact match in snippet view article find links to article
catalysts in polypropylene. In these instances metal deactivators may be added to improve stability. Deactivators work by chelation to form an inactive coordinationStabilizer (chemistry) (452 words) [view diff] exact match in snippet view article
to suppress oxidation processes that lead to gums and solids. Metal deactivators like salpn form stable complexes with the metals, suppressing their catalyticList of gasoline additives (721 words) [view diff] exact match in snippet view article find links to article
as corrosion inhibitors or lubricants. Other additives include metal deactivators, oxygenates and antioxidants. Some additives are harmful and are regulatedCharles J. Pedersen (2,246 words) [view diff] exact match in snippet view article find links to article
other discoveries in chemistry, such as discovering and developing metal deactivators. His early investigations also led to the development of a dramaticallySalen ligand (1,073 words) [view diff] exact match in snippet view article find links to article
oxidation states. For this reason salen-type compounds are used as metal deactivators. Metal salen complexes also find use as catalysts. H2salen may be synthesizedCopper sweetening (147 words) [view diff] exact match in snippet view article find links to article
low as 0.1 ppm can have marked negative effect. To combat these, metal deactivators are added to some fuels. "Glossary of Terms". "linde copper sweetening"Gasoline (17,613 words) [view diff] exact match in snippet view article find links to article
by copper salts, which can be neutralized by additives called metal deactivators. This degradation can be prevented through the addition of 5–100 ppmHoning oil (540 words) [view diff] exact match in snippet view article find links to article
copper, it may have extra additives to prevent stone loading, or metal deactivators to prevent staining of copper containing alloys.[citation needed] ToAlexandros Makriyannis (844 words) [view diff] exact match in snippet view article find links to article
include: 2008 “Heteroaryl Urea Compunds as Endocannablnold enzyme Deactivators and a Method of Their Evaluation” – A. Makriyannis, L. PandarinathanLubricant (4,041 words) [view diff] exact match in snippet view article find links to article
more useful. In the latter application the additives are called metal deactivators. Detergents ensure the cleanliness of engine components by preventingAviation fuel (2,929 words) [view diff] exact match in snippet view article find links to article
naphthenes, and aromatics), additives such as antioxidants and metal deactivators, biocides, static reducers, icing inhibitors, corrosion inhibitors, andAromatic compound (2,113 words) [view diff] exact match in snippet view article find links to article
withdrawing respectively. Activators are known as ortho-para directors, and deactivators are known as meta directors. Upon reacting, substituents will be addedSalpn ligand (380 words) [view diff] exact match in snippet view article find links to article
by catalyzing oxidation processes that lead to gums and solids. Metal deactivators like salpn form stable coordination compounds with the metals, suppressingOil additive (1,952 words) [view diff] exact match in snippet view article find links to article
by oxidation. Typical additives are organic amines and phenols. Metal deactivators create a film on metal surfaces to prevent the metal from causing theCalle Tarata (256 words) [view diff] exact match in snippet view article find links to article
its adjacent park. Willis, Daniel (2022). "Between the liberators and deactivators: Place, power and protest in Lima's memoryscape". European Review ofPolymer degradation (4,448 words) [view diff] exact match in snippet view article find links to article
1016/0141-3910(93)90135-6. Osawa, Zenjiro (January 1988). "Role of metals and metal-deactivators in polymer degradation". Polymer Degradation and Stability. 20 (3–4):Photo-oxidation of polymers (4,972 words) [view diff] exact match in snippet view article find links to article
1016/0033-0655(85)80020-0. Osawa, Zenjiro (January 1988). "Role of metals and metal-deactivators in polymer degradation". Polymer Degradation and Stability. 20 (3–4):Plastic recycling (9,433 words) [view diff] exact match in snippet view article find links to article
treatment, while damaging metallic additives can be rendered inert with deactivators. Finally, the properties of mixed plastics can be improved by using compatibilisersAtom transfer radical polymerization (4,289 words) [view diff] exact match in snippet view article find links to article
metals/oxidation states, possibly on solid supports, to act as activators/deactivators, possibly with reduced toxicity or sensitivity. Iron salts can, for exampleUpconverting nanoparticles (8,663 words) [view diff] exact match in snippet view article find links to article
an effective way to isolate the core from the surrounding and surface deactivators, thus increasing upconverting efficiency. For example, 8 nm NaYF4 Yb3+/Tm3+