Papermaking process

Paper making and fiber liberation – Processes and products – Non-fiber additive

Reexamination Certificate

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Details

C162S158000, C162S181700, C162S179000, C162S172000

Reexamination Certificate

active

07604715

ABSTRACT:
The invention relates to a papermaking process in which the static potential of the fibers/paper product can be controlled and reduced while enhancing the softness of the produced paper product.The papermaking process comprises adding to a suspension of cellulosic fibers:(i) a smectite clay(ii) at least one anionic compound selected from anionic microparticles and anionic surfactants(iii) at least one polymer which is cationic, non-ionic or amphoteric(iv) at least one non-ionic surfactant; and/or an oil, wax or fat.

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