Some investigations on the photostabilization of polypropylene |
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| Authors: | G Bálint T Kelen á Rehák and F Tüd?s |
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| Institution: | (1) Central Research Institute for Chemistry of the Hungarian Academy of Sciences, Budapest, Hungary |
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| Abstract: | The effect of substituted hydroxybenzophenone, benzotriazole and organic metal complexes on the photooxidation of PP films has been studied. It has been established that NiDBTC added in 1.0 wt. % is the most effective photostabilizer.While in the case of other stabilizers there is a slight increase in the Co content even during the induction period, with the application of NiDBTC practically no oxidation can be observed before the stabilizer completely disappears. This means that NiDBTC inhibits the photooxidation of the polymer even in low concentration.
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