摘要 |
<p>This invention relates to a process for enhancing the properties of alkylene(C1-C6)-bis-(tetrabromophthalimide) or bis-(tetrabromophthalimide) products produced by the bromination, respectively, of alkylene(C1-C6)-bis (phthalimide) or bis-(phthalimide) with a brominating agent in the presence of oleum, the process comprising curing the alkylene(C1-C6)bis-(tetrabromophthalimide) or bis-(tetrabromophthalimide) product at a temperature above about 150 DEG C and below the melting point of the tetrabromophthalimide being cured for a period of from 36 hours to 5 hours. This enhanced product and its use in molding and extrusion compositions and in molded and extruded articles is also disclosed.</p> |