Pitch control using clay coated with an inorganic gel

Details Pitch control using clay coated with an inorganic gel Pitch control using clay coated with an inorganic gel

1990-11-28

1993-06-22

Jones, W. Gary

Paper making and fiber liberation

Processes and products

Conditioning, preparing or repairing of apparatus

1621646, 1621682, 1621683, 1621816, 1621817, 1621818, 162DIG4, 210691, 210692, 210680, C09C 142

Patent

active

052214362

ABSTRACT:
There is disclosed a process for controlling the deposition of pitch in a paper-making process, wherein there is incorporated into the paper-making composition a coated inorganic particulate material which comprises a clay mineral coated with (a) a cationic polyelectrolyte which is a water-soluble substituted polyolefin containing quaternary ammonium groups or with (b) an inorganic gel or with (c) a mixture of (a) and (b).

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1004 Abstract Bulletin of the Institute of Paper Chemistry, vol. 51, Sep. 1980, No. 3, Appleton, WI. USA, Item No. 3193.
Fessenden, R. J. et al., "Organic Chemistry", Willard Grant Press. Boston, MA., 1979, p. 702.
Louchs et al., "the Role of Special Polyelectrolytes for the Solution of Operating Problems in Paper and Board Production", Nov. 7, 1985, UK Paper Industry Technical Association Northern District Meeting.

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