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公开(公告)号：US10519598B2
公开(公告)日：2019-12-31
申请号：US14651975
申请日：2013-12-26
发明人： Satoshi Wada , Yuko Okusa , Chigusa Taguchi , Yukio Abe , Michiyasu Yamazaki
摘要： Provided are a pitch-formation suppressor and the like which can be widely applied independently of the substance that causes a pitch and of the situation to generate a pitch in a paper manufacturing process, and which can effectively suppress and prevent the troubles due to the pitch, such as foreign spots and defects in a paper, breakage of a paper, and lowering of workability. This pitch-formation suppressor comprises an alkaline solution in which a phenol resin and/or a modified phenol resin is dissolved, or an acid solution in which a phenol resin and/or a modified phenol resin is dissolved.
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