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Synergistic phenomena in polymer photostabilization
1983
Pure and Applied Chemistry
Investigation of the synergism between tJV-absor-bers (tWA) and antioxidants (A) for photostabilization of polydiene.s and PP has revealed that synergism can be attri-. buted to diffusion of A from the deeper-.lying layers of polyiner, protected from the action of light by UVA, towards surface layers where the photoreaction takes place. With PP, where additives are irregularly distributed in the amorphous phase, the mixture of the same stabilizers may lead to a synerism effect due to TWA
doi:10.1351/pac198355101661
fatcat:plnh5bkqv5allm6xykhfazvriq