Abstract
Polymerizable UV-absorbers, such as 4-allyloxy-2-hydroxy-4'-methylbenzophenone and 4-allyloxy-2-hydroxy-4-methoxybenzophenone were copolymerized with styrene to give copolymers containing 2-8% of UV-stabilizer. The copolymer films were subjected to UV-irradiation, and the carbonyl index, hydroxy index, tensile strength, elongation at break and evaporation loss were examined to evaluate the efficiency of the new stabilizers.
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