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Tatsuya Shimizu, Adeka, noted that automobiles increasingly use polymers, both to reduce weight and for batteries, electrical and electronic installations. This will drive increasing need for flame retardancy and for additives to ensure weathering and UV resistance.
He presented solutions combining intumescent PIN flame retardants with additives to protect against UV and polymer oxidisation in a range of polymers (PP, PE, HDPE). Adeka’s tests show that the intumescent PIN FR solution less dense smoke and 30 – 1 000 times lower smoke toxic gases than halogenated FR solutions. Use of a nitrogen based adjuvant can additionally increase polymer transparency and processing speed, whilst ensuring thermal stability and low discoloration.