Flame retardants: Polybrominated diphenyl ethers
Abstract
To improve the quality of life of people have been developed during the last decades many chemicals such as flame retardants. These compounds are added to a wide variety of materials whose purpose is to prevent or slow the spread of fire.
Polybrominated diphenyl ethers (PBDEs) belong to the group of brominated flame retardants. These compounds are blended with polymers and tend to free themselves by weathering, heat and light to the environment. PBDEs are lipophilic compounds and are classified as persistent organic pollutants (POPs) to be persistent, bioaccumulative and toxic. As belonging to the class of POPs, PBDE gained importance in the studies on various environmental matrices and in humans (physiological fluids, tissues, organs) in order to study and identify their occurrence, as well as to prevent its spread.
This article aims to address the problem of flame retardants, in particular of PBDE in relation to its use, physico-chemical properties, toxicity and incidence on the environment, and studies focusing on the problems in Portugal.
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