Synthesis and characterization of new photostabilizers from 2,4-Dihydroxybenzophenone (cas 131-56-6)

Add time:10/01/2019    Source:infona.pl

Two new polymerizable stabilizers, 4-benzoyl-2-(α-piperidino-2-chlorobenzyl)-3-hydroxyphenyl acrylate (BPBHA) and corresponding methacrylate (BPBHMA), were synthesized and characterized. They were copolymerized with styrene in different molar ratios to obtain new polymeric materials with self-protection against UV radiation. The efficiencies of BPBHA and BPBHMA as ultraviolet stabilizers were examined by studying the change of the inherent viscosity of the copolymers during the exposure of the copolymer to UV irradiation.

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