Screening p-Phenylenediamine Antioxidants, Their Transformation Products, and Industrial Chemical Additives in Crumb Rubber and Elastomeric Consumer Products.
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DOI: 10.1021/acs.est.2c07014
Abstract: Recently, roadway releases of N,N'-substituted p-phenylenediamine (PPD) antioxidants and their transformation products (TPs) received significant attention due to the highly toxic 6PPD-quinone. However, the occurrence of PPDs and TPs in recycled tire rubber products remains… read more here.
Keywords: ppd antioxidants; ppd; consumer products; elastomeric consumer ... See more keywords