Process for the photochemical stabilization of undyed and dyed p

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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Details

524 91, 524 99, 524100, 524102, 524103, 8442, 8490, 428375, 428394, C08K 534, C08K 532, D02G 300, B32B 1500

Patent

active

050575627

ABSTRACT:
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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