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词汇 Hexabromocyclododecane
分类 英语词汇 英语翻译词典
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Hexabromocyclododecane

英语百科

Hexabromocyclododecane

Structures of the six (out of 16 possible) hexabromocyclododecane isomers that are present in the technical product at > 1 %

Hexabromocyclododecane (HBCD or HBCDD) is a brominated flame retardant. It consists of twelve carbon, eighteen hydrogen, and six bromine atoms tied to the ring. Its primary application is in extruded (XPS) and expanded (EPS) polystyrene foam that is used as thermal insulation in the building industry. Other uses are upholstered furniture, automobile interior textiles, car cushions and insulation blocks in trucks, packaging material, video cassette recorder housing and electric and electronic equipment. According to UNEP, “HBCD is produced in China, Europe, Japan, and the USA. The known current annual production is approximately 28,000 tonnes per year. The main share of the market volume is used in Europe and China” (figures from 2009/2010).

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