Dover Chemical Corp. reports its high molecular weight phosphite antioxidant has received food contact clearance from the U.S. Food and Drug Administration.
Doverphos LGP-11 is free of alkylphenols present in some antioxidants and which are being investigated by regulatory agencies. The product has low migration due to its polymeric nature and has excellent color hold. It is made of biodegradable raw materials, the Dover, Ohio, company claims.
The additive is a viable, long-term alkylphenol-free alternative antioxidant, according to Dover Chemical director of research and development Mick Jakupca. It reduces or eliminates plate-out and blooming in blown and cast film uses, a widespread problem for decades.
Doverphos LGP-11 is FDA approved for single and repeated use in linear low density polyethylene films and high density PE articles, at loading levels of up to 2,000 parts per million. As well, it is an alternative to other phosphites in polyolefins in general and is also recommended for other resin systems such as styrene-butadiene-styrene, polyurethanes and PVC.
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