Examples of 'hindered amines' in a sentence
Meaning of "hindered amines"
hindered amines: compounds used in chemical processes to prevent corrosion and increase efficiency
How to use "hindered amines" in a sentence
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hindered amines
Preferred sterically hindered amines d are piperidine compounds.
Hindered amines as light stabilizing additives are generically described.
Suitable sterically hindered amines are those mentioned above.
Hindered amines are most favored as photostabilizers for use.
In a preferred embodiment said fibers are free of hindered amines.
Hindered amines are preferred to use as photostabilizers.
Further suitable stabilisers are hindered amines.
Combinations of sterically hindered amines and phenols are particularly suitable.
Primary antioxidants include hindered phenols and hindered amines.
The hindered amines may be used independently or as a mixture thereof.
Other sterically hindered amines.
These hindered amines have been found to be effective in stabilizing polymers.
A preferred class of sterically hindered amines are those containing triazine rings.
These additives are generally selected from phenols and sterically hindered amines.
Suitable sterically hindered amines include various piperidine compounds.
See also
Advanced carbon capture technologies using sterically hindered amines have been suggested.
Suitable steric hindered amines include various piperidine compounds.
Antioxidants are selected from a list including hindered amines and hindered phenols.
Sterically hindered amines and use thereof as polymer stabilizers.
At least one voltage stabilizer selected from substituted benzophenones and hindered amines.
The use of sterically hindered amines as light stabilizers for polyolefins is known.
A group of compounds widely used for this purpose are the sterically hindered amines.
The sterically hindered amines mentioned above are known and are largely items of commerce.
Examples of acceptable UV absorbers include hindered amines and benzotriazoles.
Hindered amines for use in lubricant formulations are well known in the lubricant field.
The samples including the instant hindered amines exhibit good light stabilizing activity.
The hindered amines may also comprise a portion of an oligomeric moiety or polymeric moiety.
Lubricating oil compositions containing sterically hindered amines as ashless TBN sources.
All types of hindered amines can be used in accordance with the present invention.
Examples of suitable functionalized hindered amines follow,.
Hindered amines include chemical compounds containing an amine functional group surrounded by a steric environment.
Examples for suitable sterically hindered amines are as follows,.
The NO-acyl hindered amines are also termed hindered hydroxylamine esters.
Preferred sterically hindered amines are,.
To achieve maximum light stability, it is of particular interest to add sterically hindered amines.
Stabilizers include hindered amines benzotriazole, hydroxybenzophenone, and the like.
Process for the preparation of tertiary n-allyl sterically hindered amines.
The pKa measurements of the hindered amines are obtained by non-aqueous titration.
The document is, however, silent as to the type of useful sterically hindered amines.
Numerous types of commercially available hindered amines have given good results, in particular,.
Light stabilizers such as ultra-violet ray absorbers and sterically hindered amines.
Typical free-radical scavengers include hindered amines including hindered aminoether light stabilizers.
The method of Claim 8 wherein said fibers are free of hindered amines.
Polymeric hindered amines are preferred because their migration within the fiber-forming polymer is limited.
Suitable stabilizers include, hindered phenols, hindered amines and benzothiazole.
Or sterically hindered amines of formula II, IIa or IIb wherein.
According to another preferred variant of the invention, the sterically hindered amines contain piperidyl units.
Finally, the N-acyloxy hindered amines exhibit greater solubility in the solvents typically utilized in coatings.
Examples for preferred N-oxygen substituted sterically hindered amines are the compounds.
The sterically hindered amines are commercially available, for example, from Ciba Specialty Chemicals Inc.
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It also hindered their independence and autonomy
Poverty fostered corruption and hindered democracy
Examples of using Amines
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The effect of pressor amines may be decreased
Both amines affect the regiochemistry of metalation
Ethers and tertiary amines are typically employed
