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公开(公告)号：US09280076B1
公开(公告)日：2016-03-08
申请号：US14527032
申请日：2014-10-29
Applicant: XEROX CORPORATION
Inventor： Shigeng Li , Christopher Michael Wolfe , Yanjia Zuo , Randy Pheav Tin , John L. Pawlak , Jay Lee Schneider , Peter Nguyen , Jordan Frank , Chieh-Min Cheng
CPC classification number: G03G9/09371 , G03G9/0804
Abstract: A toner includes a core including a homogenized mixture of a first polyester latex, a styrene/acrylate latex, and a compatibilizing agent latex that includes a graft polyester-styrene/acrylate copolymer and a shell that includes a polyester latex. A process includes (1) homogenizing a mixture to form a plurality of core particles, the mixture including a first polyester latex, a styrene/acrylate latex, and a compatibilizing agent latex comprising a graft polyester-styrene/acrylate copolymer and (2) adding a shell polyester latex to the plurality of core particles to form a plurality of core-shell structures.
Abstract translation: 调色剂包括包含第一聚酯胶乳，苯乙烯/丙烯酸酯胶乳和包含接枝聚酯 - 苯乙烯/丙烯酸酯共聚物和包含聚酯胶乳的壳体的相容剂胶乳的均匀混合物的芯。 一种方法包括（1）使混合物均化以形成多个核心颗粒，该混合物包括第一聚酯胶乳，苯乙烯/丙烯酸酯胶乳和包含接枝聚酯 - 苯乙烯/丙烯酸酯共聚物的相容剂胶乳和（2）添加 壳聚酯胶乳与所述多个芯颗粒形成多个核 - 壳结构。
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公开(公告)号：US20150141572A1
公开(公告)日：2015-05-21
申请号：US14085588
申请日：2013-11-20
Applicant: Xerox Corporation
Inventor： Shigeng Li , Shigang S. Qiu , Peter Nguyen , Amy Grillo , Chieh-Min Cheng
CPC classification number: C08J3/05 , C08J3/07 , C08J2367/00 , G03G9/0804 , G03G9/08755 , G03G9/08795 , G03G9/08797
Abstract: A process includes dissolving a first polymer in an aprotic solvent, absent a protic organic solvent, to form a polymer solution, neutralizing acidic residues present in the first polymer by adding a neutralizing agent to the polymer solution, contacting the polymer solution with water to form a latex, removing the aprotic solvent from the latex, capturing the removed aprotic solvent as recycled solvent, and dissolving a second polymer with the recycled solvent.
Abstract translation: 一种方法包括将第一聚合物溶解在非质子溶剂中，不存在质子有机溶剂以形成聚合物溶液，通过向聚合物溶液中加入中和剂中和第一聚合物中存在的酸性残基，使聚合物溶液与水接触形成 胶乳，从胶乳中除去非质子溶剂，捕获除去的非质子溶剂作为再循环溶剂，并用再循环溶剂溶解第二聚合物。
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3.发明授权Single solvent formulation for preparation of crystalline polyester latex via phase inversion emulsification 有权通过相转化乳化法制备结晶聚酯胶乳的单一溶剂配方公开(公告)号：US09341966B1
公开(公告)日：2016-05-17
申请号：US14576070
申请日：2014-12-18
Applicant: XEROX CORPORATION
Inventor： Yanjia Zuo , Shigeng Li , Peter Nguyen , Chieh-Min Cheng
CPC classification number: G03G9/0806 , C08J3/07 , C08J2367/00 , G03G9/0804 , G03G9/08755 , G03G9/08795 , G03G9/08797
Abstract: A process includes dissolving a polyester resin in a mixture of a single organic solvent, a base and water to form a resin mixture; neutralizing the resin mixture with a neutralizing agent to provide a neutralized resin mixture; adding water to the neutralized resin mixture until phase inversion occurs to form a toner resin emulsion; removing the single solvent to form a polyester latex.
Abstract translation: 一种方法包括将聚酯树脂溶解在单一有机溶剂，碱和水的混合物中以形成树脂混合物; 用中和剂中和树脂混合物以提供中和的树脂混合物; 向中和的树脂混合物中加入水，直至发生相转化，形成调色剂树脂乳液; 除去单一溶剂以形成聚酯胶乳。
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公开(公告)号：US09280075B1
公开(公告)日：2016-03-08
申请号：US14527111
申请日：2014-10-29
Applicant: XEROX CORPORATION
Inventor： Yanjia Zuo , Yulin Wang , Shigeng Li , Peter Nguyen , Chieh-Min Cheng , John L. Pawlak
CPC classification number: G03G9/09364 , G03G9/0802 , G03G9/09328
Abstract: A process includes dissolving a styrene/acrylate resin in an organic solvent to form a first solution, dissolving at least one polyester resin in the first solution to form a second solution, neutralizing the second solution with a base to provide a neutralized solution, and adding a sufficient amount of water to the neutralized solution to form an emulsion. A latex particle includes a polyester resin and a styrene/acrylate resin dispersed within the latex particle, the surface of the latex particle is substantially the polyester resin. A toner includes a plurality of toner particles prepared from a latex, the particles of the latex including a polyester resin and a styrene/acrylate resin dispersed within each latex particle, the surface of each latex particle is substantially the polyester resin.
Abstract translation: 一种方法包括将苯乙烯/丙烯酸酯树脂溶解在有机溶剂中以形成第一溶液，将至少一种聚酯树脂溶解在第一溶液中形成第二溶液，用碱中和第二溶液以提供中和溶液，并加入 向中和的溶液中加入足量的水以形成乳液。 胶乳颗粒包括分散在胶乳颗粒内的聚酯树脂和苯乙烯/丙烯酸酯树脂，胶乳颗粒的表面基本上是聚酯树脂。 调色剂包括由胶乳制备的多个调色剂颗粒，所述胶乳颗粒包括分散在每个胶乳颗粒内的聚酯树脂和苯乙烯/丙烯酸酯树脂，每个胶乳颗粒的表面基本上是聚酯树脂。
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