electrostatographic toner particle comprising a po

专利名称：electrostatographic toner particle

comprising a polyester containing acovalently bound quaternary phosphoniumsalt

发明人：Peter S. Alexandrovich,Lawrence P.

DeMejo,Thomas A. Jadwin,John C. Wilson

申请号：US07/229043申请日：19880805公开号：US04837394A公开日：190606

摘要：New electrostatographic toners and developers are provided, containing dualfunction polyester binder/charge agents. The new toner particle has an average diameterin the range of 0.01 to 100 micrometers and comprises a binder polyester and a charge-control agent comprising a quaternary phosphonium salt, wherein the phosphonium salthas a cationic portion comprising a phosphorus atom covalently bonded to at least onemoiety containing an ester linkage to the binder polyester.

申请人：EASTMAN KODAK COMPANY

代理人：David F. Janci

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