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We offer a number of free radical initiators for the production of stable, homogeneous styrene/acrylonitrile based polymer polyol dispersions.
Developed by AkzoNobel, Trigonox® 421 is the latest generation of organic peroxides for polymer polyols. This peroxyester provides an excellent alternative to more commonly used azo initiators which are known to generate toxic decomposition products. In addition, Trigonox 421 can more easily be dosed to the reactor than solid azo initiators.
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