Examples of 'hindered phenols' in a sentence
Meaning of "hindered phenols"
hindered phenols - Chemical compounds that are derivatives of phenol but contain groups that hinder or block certain reactions or properties. They are often used as antioxidants or stabilizers in various industrial applications
How to use "hindered phenols" in a sentence
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hindered phenols
Suitable hindered phenols include butylated hydroxytoluene.
Particularly useful stabilizers or antioxidants are hindered phenols.
Suitable hindered phenols include buylated hydroxytoluene.
Useful antioxidants include hindered phenols.
Hindered phenols may be used as antioxidants.
Most primary antioxidants are known as sterically hindered phenols.
Hindered phenols are one example of this kind of antioxidant.
Examples of other antioxidants are hindered phenols.
Hindered phenols are primary antioxidants that act as hydrogen donors.
Antioxidants typically used are hindered phenols.
Sterically hindered phenols constitute another known class of antioxidant materials.
Preferred antioxidants include organophosphites and hindered phenols.
Primary antioxidants include hindered phenols and hindered amines.
Hindered phenols are preferred due to their low cost and availability.
Suitable stabilizers also comprise sterically hindered phenols.
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The hindered phenols are well known to those skilled in the art.
The phenol antioxidants include metal free hindered phenols.
Other hindered phenols are also useful as primary antioxidants in the example material.
Oxidation inhibitors may include hindered phenols and alkyl diphenylamines.
Various antioxidants are available such as monomeric and polymeric hindered phenols.
These hindered phenols provide improved color and stability for polyolefins.
It is preferably selected from sterically hindered phenols and from lactones.
Preferred hindered phenols have good oil solubility and relatively low volatility.
The primary antioxidant may comprise one or more hindered phenols.
Hindered phenols and aromatic amines represent the two main types of primary antioxidants.
Different types are available including sterically hindered phenols and organophosphites.
Hydroxylamines, and hindered phenols are discussed further in preceding paragraphs.
Exceptional color stability is achieved with these sterically hindered phenols.
Antioxidants, typically hindered phenols and aromatic amines.
Carbon black also reacts antagonistically with many hindered phenols.
Representative hindered phenols include,.
The majority of primary antioxidants for polyolefins are sterically hindered phenols.
Phenolic antioxidants include fully sterically hindered phenols and partially hindered phenols.
Antioxidants are selected from a list including hindered amines and hindered phenols.
Other combinations comprising hindered phenols and / or phosphites are also envisioned.
Preferably, the antioxidants used herein are sterically hindered phenols.
The preferred developers are hindered phenols of the general formula, in which ;.
Examples of such polymerisation inhibitors include quinones, hindered phenols and amines.
Alcohols are preferred ( with hindered phenols being particularly preferred ) for this purpose.
Use according to claim 6, characterized in that the antioxidants are sterically hindered phenols.
Alkylene coupled derivatives of said hindered phenols also can be used.
More preferred are ethers of hydroquinones, especially ethers of hydroquinone and hindered phenols.
Most preferred, are combinations of hindered phenols and thioesters.
For example, hindered phenols are employed in the polymer industry as primary polymer stabilizers.
A compound obtainable by reacting sterically hindered phenols of formula I wherein.
Preferred hindered phenols have good oil-solubility and relatively low volatility.
Antioxidants, typically hindered phenols.
Hindered phenols are often utilized as a primary antioxidant, however, hindered phenols can discolor polyolefins.
Phenol antioxidants that contain 3 or more hindered phenols are preferable.
Higher-molecular weight hindered phenols usually provide greater long-term stability with correspondingly higher prices.
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It also hindered their independence and autonomy
Poverty fostered corruption and hindered democracy
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It contains chiefly phenols and pyridine bases
