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Hindered phenols are primary antioxidants that function by scavenging peroxy radical intermediates in the oxidation process. They are effective over a wide range of temperatures and provide protection during melt processing, end use, and long-term storage. ... Hindered phenolic antioxidant with outstanding extraction resistance for polyolefins ...
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Improving synthetic hindered phenol antioxidants: learning
Improving synthetic hindered phenol antioxidants: learning from vitamin E K.D. Breese, J.-F. Lame`the, C. DeArmitt* Institute for Surface Chemistry (YKI), PO Box 5607, S-114 86 Stockholm, Sweden
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Phenolic Antioxidants, DBC® - The Cary Company
Chinox® 1010 (CAS No. 6683-19-8) is a steric hindered phenolic (hindered phenol) antioxidant with high molecular weight. Due to its specific structure and low volatility, Chinox® 1010 is characterized by excellent anti-oxidative effect, heat stability, extraction resistance and good compatibility with resins.
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Antioxidant/t 502a/mixture Liquid Hindered Phenol
T502A Mixture Liquid Hindered Phenol. Product Introduction. The product is a light yellow liquid. It is insoluble in water and caustic solution It has good anti-oxidation performance.It can serves as antioxidant additive for fuel oils and lubricating oils.
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Phenolic Antioxidants
Sterically Hindered Phenolic Antioxidants. Some of the most widely used antioxidants are sterically hindered phenols. These compounds act as a primary antioxidants by converting peroxyl radicals to hydroperoxides. Thus, they inhibit autooxidation of organic polymers by reducing the amount of peroxyl radicals.
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Antioxidants: hindered phenols
Some suppliers of phenolic antioxidants are listed in Table 1. Keywords light stabilizer long-term stabilization photoantioxidant physical persistence polynuclear phenols processing quinone methide stabilizers sterically hindered phenol
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Phenolic Antioxidant - an overview | ScienceDirect Topics
According to Yatchigo [86] the discoloration of not fully hindered phenolic antioxidants is less than that of fully hindered phenolic antioxidants. Scheme 21.10. Reaction of NO 2 leading to quinone methide. ... Pulok K. Mukherjee, in Quality Control and Evaluation of Herbal Drugs, 2019.
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Sterically Hindered Phenolic Antioxidants
Sterically Hindered Phenolic Antioxidants. Some of the most widely used antioxidants are sterically hindered phenols. These compounds act as a primary antioxidants by converting peroxyl radicals to hydroperoxides.
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Hindered Phenolic Antioxidants - halogenfreeflameretardant
Quality Hindered Phenolic Antioxidants for sale - buy cheap Phenolic Antioxidants from halogenfreeflameretardant manufacturer.Fundaox 1010 is a sterically hindered phenolic antioxidant, is a highly effective, non discoloring stabilizer for organic substrates such as plastics
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Phenolic Antioxidant - an overview | ScienceDirect Topics
Phenolic antioxidants in which the phenolic group is attached to an isocyanurate ring have a lower tendency to discolor, which is ascribed to hindered movement of the phenolic groups resulting in hampering of dimerPulok K. Mukherjee, in Quality Control and Evaluation of Herbal Drugs, 2019.
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Relationship structure-antioxidant activity of hindered phenolic
KEYWORDS: DPPH; Hindered phenolic; Rancimat test; Steric synergist effect; Structure activity relationship.Citation/Cómo citar este artículo: Weng XC, Huang Y. 2014. Relationship structure-antioxidant activity of hindered phenolic compounds.
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Mixtures of these phenolic compounds inhibited BP mutagenicity more effectively than did the individual constituents. One can assume that the simple phenols regenerated in the presence of dibunol from the tissue-oxidized forms increase the formation of detoxified or less mutagenic
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Scavenging ability of dendritic PAMAM bridged hindered phenolic
Scavenging ability of hindered phenolic antioxidants on DPPH˙ were affected not only by the concentration of phenolic hydroxyl group but also by the reaction time and the reaction temperature.
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