公开(公告)号：US20150337138A1

公开(公告)日：2015-11-26

申请号：US14441243

申请日：2013-10-24

申请人： E.I.DU PONT DE NEMOURS AND COMPANY

发明人： FRANCK ANDRE VANHECKE ,  MITCHELL SCOTT CHINN

IPC分类号： C09C3/00 ,  C09C3/08 ,  C09C1/36 ,  C09C3/06

CPC分类号： C09C1/16 ,  C01P2004/84 ,  C09C1/021 ,  C09C1/027 ,  C09C1/043 ,  C09C1/3661 ,  C09C1/3669 ,  C09C1/3692 ,  C09C1/407 ,  C09C3/006 ,  C09C3/063 ,  C09C3/08 ,  D21H17/67 ,  D21H17/675 ,  D21H17/68 ,  D21H17/69 ,  D21H19/38 ,  D21H27/26 ,  D21H27/30

摘要： The disclosure provides a process for preparing a self-dispersing pigment having an isoelectric point of at least about 8 comprising: (a) adding a dual functional compound with an acidic aluminum salt to form an aqueous solution, wherein the dual functional compound comprises an anchoring group that attaches the dual-functional compound to the pigment surface, and a basic amine group comprising a primary, secondary or tertiary amine; (b) adding a base to the mixture from step (a) whereby the pH is raised to about 4 to about 9 to form a turbid solution; and (c) adding the mixture from step (b) to a slurry of inorganic particles whereby a hydrous alumina and the dual functional compound are deposited on the pigment surface. The self-dispersing pigments prepared by this process are useful in making décor paper that may be used in paper laminates.

摘要翻译： 本公开提供了制备具有至少约8的等电点的自分散颜料的方法，包括：（a）用酸性铝盐加入双官能化合物以形成水溶液，其中双官能化合物包括锚定 将双官能化合物连接到颜料表面的基团和包含伯，仲或叔胺的碱性胺基; （b）向步骤（a）的混合物中加入碱，由此将pH升高至约4至约9以形成混浊溶液; 和（c）将来自步骤（b）的混合物加入到无机颗粒的浆料中，由此将水合氧化铝和双官能化合物沉积在颜料表面上。 通过该方法制备的自分散颜料可用于制备可用于纸层压材料的装饰纸。