PROCESS FOR THE PHOTOCHEMICAL STABILIZATION OF UNDYED AND DYED POLYPROPYLENE FIBRES
A process is disclosed for the photochemical stabilization of undyed and dyed polypropylene fibre material with light stabilizers, which process comprises treating said material with an aqueous solution containing a light stabilizer from the class of the sterically hindered amines.
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Main Author | |
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Format | Patent |
Language | English |
Published |
15.10.1991
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Subjects | |
Online Access | Get full text |
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Summary: | A process is disclosed for the photochemical stabilization of undyed and dyed polypropylene fibre material with light stabilizers, which process comprises treating said material with an aqueous solution containing a light stabilizer from the class of the sterically hindered amines. |
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Bibliography: | Application Number: US19890363649 |