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5. New TPU technologies
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Materials with improved fire behavior
Some new TPUs have improved fire resistance, and there are even polyurethane thermoplastic grades that achieve VTM-O rating under UL 94. Fire-resistant TPUs have been available for many years, but in the past they derived their properties from halogens such as chlorine or bromine. Halogen-based flame-retardant systems are usually less expensive and, in thin layers, offer certain advantages over halogen-free systems, including better fire resistance. However, halogens can release corrosive and harmful emissions in the event of fire. Halogens also require inorganic synergistic compounds, which can complicate TPU manufacture. New halogen-free flame-retardant materials are competing with conventional systems; they are generally safer and more environmentally friendly. What's more, these new flame-retardant...
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New TPU technologies
Statistical and economic data
In the absence of reliable market statistics for TPU films and foils (aromatic and aliphatic), world production is roughly estimated at 14,000 tonnes, two-thirds of which is manufactured in the USA. Europe produces some 3,000 tonnes, with Germany the leading producer ahead of the UK, France and Italy. The remainder of production comes from Asia, mainly Taiwan, Japan and Korea.
It...
References
Events
ANTEC (SPE Annual Technical Conference) http://www.4spe.org
Websites
List of TPU suppliers http://www.ides.com/generics/TPU/TPU_suppliers.htm
Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
A. Schulman Inc. http://www.aschulman.com
API SpA http://www.apiplastic.com
BASF Corporation http://www.basf.com
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