aPackage A: Hostavin N30 + Hostavin AR08. bPackage B: Tinvin 622 (HALS 5) + Chinassorb 944 (HALS 6).

The effect of soaking time in pesticide use is measured using a UV spectrometer. Table 5.7 shows the effect of pesticide and irradiation on the ultimate elongation of PE films.

This study showed that a large number of pesticides do not interact with the stabilizer package. Some sulfur-containing compounds and organic halogenides initiate oxidation of PE and lead to faster deterioration of mechanical properties. The deterious effect of these was tentatively explained by the generation of alkoxy radicals due to the interaction of sulfur and HALS. Introduction of a UV absorber into a UV stabilizer package improves the light stability and lifetime of a film [44].

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