| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for producing a filler that enhances a yield when being added to a raw material of pulp, and further can improve paper quality such as a degree of whiteness. <P>SOLUTION: The method for producing a filler X5 comprises: an anterior step of mixing inorganic particles (X4), an alkali silicate aqueous solution L and a mineral acid N; and a posterior step of mixing a mixed slurry S obtained in the anterior step with aluminum salt A. <P>COPYRIGHT: (C)2013,JPO&INPIT |
