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    • 4. 发明授权
    • Methods for recycling byproduct of polyester resin production
    • 回收聚酯树脂生产副产品的方法
    • US08829149B2
    • 2014-09-09
    • US13612149
    • 2012-09-12
    • Guerino G. Sacripante
    • Guerino G. Sacripante
    • C08G64/00C08G63/02
    • G03G9/08755C08G63/672
    • Processes for preparing polyester resins as toner production components. The processes include reacting an organic diol and a cyclic alkylene carbonate to produce carbon dioxide (CO2) and a polyalkoxy diol. The carbon dioxide is reacted with an alkylene glycol or alkylene oxide to produce additional cyclic alkylene carbonate having the same chemical structure as the cyclic alkylene carbonate used to produce the polyalkoxy diol. The additional cyclic alkylene carbonate is added with the cyclic alkylene carbonate used to produce the polyalkoxy diol. The polyalkoxy diol can be reacted with an organic diacid or diester in preparing a polyester resin. To prepare a toner, the polyester resin can be contacted with at least one toner production component.
    • 制备聚酯树脂作为调色剂生产组分的方法。 该方法包括使有机二醇和环状亚烷基碳酸酯反应以产生二氧化碳(CO 2)和聚烷氧基二醇。 二氧化碳与亚烷基二醇或烯化氧反应以产生与用于制备聚烷氧基二醇的环状碳酸亚烃酯具有相同化学结构的另外的环状碳酸亚烃酯。 加入另外的环状碳酸亚烃酯与用于制备聚烷氧基二醇的环状亚烷基碳酸酯。 在制备聚酯树脂时,聚烷氧基二醇可与有机二酸或二酯反应。 为了制备调色剂,聚酯树脂可以与至少一种调色剂生产组分接触。