Toxicological studies of photosensitizer agents and photodegradable polyolefins.

L Caprino, G Togna, M Mazzei
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Abstract

The authors report the results of a series of toxicological tests conducted on plastic materials (polyethylene) activated with tetraphenylbutadiene (TPB) an additive recently proposed as a sensitizer capable of photodegrading plastic materials. The toxic effects of polyethylene, TPB, and TPB's degradation products were investigated in rabbits, mice and rats. The studies revealed these products to possess a very low toxicity.

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光敏剂和光可降解聚烯烃的毒理学研究。
作者报告了用四苯基丁二烯(TPB)活化的塑料材料(聚乙烯)进行的一系列毒理学试验的结果。四苯基丁二烯(TPB)是一种最近被提议作为光降解塑料材料的增敏剂的添加剂。研究了聚乙烯、TPB及其降解产物对家兔、小鼠和大鼠的毒性作用。研究表明,这些产品的毒性非常低。
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