STABILIZED POLYAMIDES

Stabilized polyamides containing from 0.02 to 5%, by weight of a diphenylamine compound corresponding to the following general formula: (I) wherein R1 and R3, which may be the same or different, represent hydrogen, a CH3-, C2H5- or isopropyl group and R3 is in the o-, m- or p-position to the N-atom...

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Bibliographic Details
Main Authors BRASSAT, BERT, HAUPT, HEINRICH, BUYSCH, HANS-JOSEF, HERMANN, KARL HEINZ
Format Patent
LanguageEnglish
German
Published 26.11.1986
Edition4
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Summary:Stabilized polyamides containing from 0.02 to 5%, by weight of a diphenylamine compound corresponding to the following general formula: (I) wherein R1 and R3, which may be the same or different, represent hydrogen, a CH3-, C2H5- or isopropyl group and R3 is in the o-, m- or p-position to the N-atom substitution; R2 represents hydrogen, a C4-C12 alkyl, C7-C12 aralkyl or C5-C12 cycloalkyl group and is in the o-, or p-position to the N-atom substitution; n represents an integer of from 1 to 29; and Y is a divalent, non-mono-olefinically unsaturated radical having the same meaning as R2 and, in addition, may represent (in a proportion of up to 50 mole percent) -S-, -CH2-S-CH2+13, -CH2-O-CH- or >CH-R4, wherein R4 represents H, C1-C6 alkyl or C5 or C6 cycloalkyl, and may be in the o- or p-position to the N-atom substitution.
Bibliography:Application Number: EP19820111189