WEB EXCLUSIVE: Polyscope Polymers BV of The Netherlands (U.S. office in Novi, Mich.) has added to its portfolio of styrene maleic anhydride (SMA) copolymers by introducing terpolymers that also include N-phenylmaleimide. These Xiran IZ grades are designed raise the heat resistance of ABS and other engineering plastics. Two grades, Xiran IZ1018M and IZ0721M, which have a different monomer ratios, will be commercial by the end of the year. They have glass-transition temperatures (Tg) of 175 C or higher and can withstand higher processing temperatures. They also boast excellent miscibility with styrenic polymers like ABS. One potential use is in upgrading recycled resins. According to the company, these grades have very low residual volatile levels and they often improve the processability of compounds. Information on Xiran IZ will be available at the K 2013 show in Dusseldorf, Germany, this October.
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