Title:
INORGANIC PARTICLE AGGREGATE
Document Type and Number:
Japanese Patent JP3872090
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an inorganic particle aggregate excellent in yield, high bulkiness, surface flatness, printing aptitude and oil absorption on papermaking, which can not be obtained by using conventional regenerated inorganic particles, by using waste materials such as papermaking sludge, as raw materials.
SOLUTION: This inorganic particle aggregate obtained by burning the waste materials contains (30-82:9-35:9-35) mass ratio of calcium, silica and aluminum based on their oxides, and also the total of content of the calcium, silica and aluminum is ≥90 mass%.
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Inventors:
Nanba, Hisao
Application Number:
JP2005000293953
Publication Date:
October 27, 2006
Filing Date:
October 06, 2005
Export Citation:
Assignee:
DAIO PAPER CORP
International Classes:
D21H17/01; C01B33/12; C01B33/26; C02F11/00; D21H17/68; C01F7/02; C01F11/02
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