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Thermwood

New Crestapol Thermoset Resin with HDT beyond 300ºC

20 June 2011

Scott Bader has released Crestapol 1234, their latest thermoset resin, designed to outperform existing thermoplastics and thermoset materials.

Scott Bader’s research chemists believe they have now developed a ‘next generation’ thermoset resin, which can outperform existing thermoplastics and thermoset materials available on the market, such as special epoxy systems, Polyimides, PEEK, PEI, PES, PEK and even Cyanate Esters. Researchers at the company explain how Crestapol 1234 has performed so well, that the main challenge they faced was to find somewhere to accurately measure the ultimate performance levels of a fully cured test piece.

Scott Bader explain how they approached a number of independent materials test houses, who were unable to accurately measure the heat deflection temperature (HDT) and the thermal decomposition temperature of Crestapol 1234; conventional test equipment for composites resins couldn’t measure values above 300ºC and the performance of Crestapol 1234 was found to go beyond this maximum test measurement range.

Intertek Plastics Technology Laboratories, Massachusetts, US, measured the HDT of Crestapol 1234 and Scott Bader reported this to be in excess of 300ºC. The thermal decomposition temperature was measured by Gearing Scientific, Cambridge, UK, which Scott Bader reported to be 330ºC in air and 340ºC in inert gas.

Crestapol 1234 resin is being commercialised with a range of viscosities suitable for manufacturing filled and reinforced composites parts by hand lay-up or closed moulding, with a gel time (2G:2LPT @ 25ºC) of 16–17 minutes and Scott Bader expect potential new industrial applications for the resin in markets such as aerospace, automotive, electrical & electronics and oil & gas.





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