发明名称 Improved halogenated bis-imide flame retardants.
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>
申请公布号 EP0327324(A2) 申请公布日期 1989.08.09
申请号 EP19890300948 申请日期 1989.02.01
申请人 ETHYL CORPORATION 发明人 KHUDDUS, MOHAMMED A.
分类号 C07D209/48;C08K5/3417;C09K21/10 主分类号 C07D209/48
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