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icl licenses dow’s brominated flame retardants for EpS/XpS

israel chemicals ltd (icl) has licensed dow chemical’s proprietary brominated flame retardant (BFr) technology for use in EpS and XpS insulation foams. it plans to build a 10,000 tonnes/year plant to manufacture the new product, which it has named Fr122p. dow developed the

brominated polymer flame retardant as a more sustain- able replacement for HBcd, which is facing restrictions under reach and other regulations. in Europe, a phase out is targeted for August 2015. dow is a leading producer

of EpS and XpS for construc- tion applications and devel- oped the additive technology as it wanted to ensure that there was a viable drop-in alternative to HBcd. However, it does not intend to manufac- ture its proprietary flame retardant itself and has sought

ICL is targeting the building insulation market with its new FR122P technology licensed from Dow

to license the technology to BFr specialists. dow has already licensed

the technology to great lakes Solutions in a deal that was signed in march 2011. The chemtura subsidiary said at the time that it was planning a “significant” investment in a full-scale manufacturing

facility to support the indus- try’s anticipated conversion to this technology over a period of a few years. icl says that it is still

considering where it will build its new plant to produce the additive, identifying israel and the netherlands as two potential locations. it aims to

start supplying the product in commercial quantities in 2014, and is currently providing pilot quantities for customer trials. dow’s brominated poly- meric flame retardant is a block copolymer of polystyrene and brominated polybutadiene with a bromine content of 60- 67 wt%. The aliphatic bromine ensures excellent fire per- formance, while the polysty- rene block delivers good compatibility with EpS and XpS. The polymeric nature of the additive means that it is inherently safer than existing “small molecule” products because of its limited bioavail- ability/toxicity. dow reports that its

brominated polymeric flame retardant provides good thermal stability and that its fire resistance is similar to that achieved with HBcd. ❙

grand Siam plans pp compounds expansion

Grand Siam’s expansion will help meet growing automotive demand in Thailand and neighbouring countries

grand Siam composites is increasing pp compounding capacity at its plant in map Ta phut, rayong, Thailand to meet growing demand from the region’s automotive market. it is aiming to commission a new 18,000 tonnes/year line in the third quarter of this year to take the facility’s total capacity to 140,000 tonnes/year. Although the flooding in Thailand hit automotive production in 2011, the country

is expected to regain momen- tum as the production and export hub for automotive materials in the ASEAn region. The company reports surging demand for automotive pp grades in indonesia and other neighbouring countries. Established in 1996, grand

Siam composites is owned by Scg chemicals (46.2%), mitsui chemicals (45.2%), prime polymer (3.0%) and others (5.6%). ❙

February 2012 | compounding world

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