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Anionic preflocculation of fillers used in papermaking
Anionic preflocculation of fillers used in papermaking
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机译:造纸用填料的阴离子预絮凝
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摘要
A method of preparing a stable dispersion of flocculated filler particles for use in papermaking processes comprises use of an anionic first flocculating agent to an aqueous dispersion of filler particles, followed by addition of a second anionic flocculating agent to the dispersion and further optional shearing of the resultant filler flocs to the desired particle size resulting in shear resistant filler flocs with a defined and controllable size distribution.
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