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1.发明公开METHOD OF DELIVERING A PIGMENT DISPERSION AND A RETENTION AID TO A PAPERMAKING PROCESS 审中-公开一种用于提供颜料分散体和保持有关帮助造纸过程
公开(公告)号：EP2914775A1
公开(公告)日：2015-09-09
申请号：EP13851047.4
申请日：2013-11-02
申请人： Ecolab Usa Inc.
CPC分类号： D21H17/675 , D21H17/375 , D21H17/52 , D21H21/20 , D21H27/005
摘要： The disclosure is directed toward methods for delivering a pigment dispersion and an inverted retention aid emulsion to a papermaking process. The method comprises injecting the pigment dispersion and the inverted retention aid emulsion into a process line of the papermaking process. The pigment dispersion comprises titanium dioxide, and the retention aid may comprise an anionic flocculant. The process line is located downstream from a screen and upstream from a headbox. The methods may incorporate the use of one or several nozzle devices.
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