Method of making paper using microparticles

Details Method of making paper using microparticles Method of making paper using microparticles

1997-07-07

1999-10-19

Silverman, Stanley S.

Paper making and fiber liberation

Processes and products

Non-fiber additive

162175, 1621646, 1621817, 1621682, D21H 1768

Patent

active

059683163

ABSTRACT:
A microparticle composition for paper making includes finely divided particles of a water insoluble solid such as zeolite A, and having an anionic charge of at least 20 millivolts, and preferably from about 40 to 60 millivolts, and a particle size of less than about 0.1 microns. The microparticle composition also includes water and a dispersion agent, and is prepared by milling in an agitated media mill until the desired particle size is achieved.

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