ADJUSTABLE PRELIMINARY FLOCCULATION OF FILLER WITH USE OF DOUBLE POLYMER SYSTEM Russian patent published in 2012 - IPC D21H17/69 D21F11/00

Abstract RU 2471033 C2

FIELD: textiles, paper.

SUBSTANCE: method includes the sequential addition of flocculating agents of high and low molecular weight to aqueous dispersion of the filler particles followed by grinding of the resulting flakes of the filler to the desired particle size to obtain flakes of the filler resistant to grinding with a specific and controlled particle distribution.

EFFECT: improvement of quality of printed products, cost reduction for raw materials and energy.

14 cl, 10 ex, 7 tbl, 1 dwg

Similar patents RU2471033C2

Title	Year	Author	Number
METHOD FOR MANUFACTURE OF PAPER AND CARDBOARD	2001	Chehn' Gordon Chehn I. Richardson Gehri Piter	RU2265097C2
PAPER AND CARDBOARD MANUFACTURE PROCESS	2000	Majkl Barri Khehrd Gordon Chehn I. Chehn'	RU2247185C2
METHOD FOR MANUFACTURE OF PAPER AND CARDBOARD	2000	Chehn' Gordon Chehn I.	RU2246566C2
PAPER AND CARDBOARD MANUFACTURE PROCESS	2000	Gordon Chehn I. Chehn' Gehri Piter Richardson	RU2247184C2
PAPER AND CARDBOARD MANUFACTURE PROCESS	2000	Bu Kh'Jal'Marsson Khans Osberg Per-Ula Ehriksson Turb'Ern L'Jungkvist Gehri Piter Richardson Gordon Chehn I. Chehn'	RU2247183C2
STRUCTURALLY MODIFIED POLYMER FLOCCULANTS	2001	Uippl Uehsli L. Maltesh Chidambaram Dzhonson Kehti Gaddendorf Trejsi Sivakumar Anantkhasubramanian Zagala Andzhela	RU2243240C2
METHOD FOR BIOMASS FLOCCULATION FROM SUSPENDING MEDIUM AND DETERMINATION OF POLYMER MATERIAL DOSAGE ADDED INTO SUSPENDING MEDIUM	2000	Kh'Juz Dzhonatan Vejr Stiven Moran Pol	RU2266954C2
PRODUCTION OF PAPER OR CARDBOARD	2008	Khol'Ger Rajnike	RU2431710C2
COLLOIDAL BOROSILICATES AND THEIR EMPLOYMENT IN PAPERMAKING	1998	Kejzer Brjus A. Uitten Dzhejms E.	RU2201396C2
PAPER AND CARDBOARD MANUFACTURE METHOD	2002	Chehn' Gordon Chehn I. Uill'Jams Stefanija Kejn	RU2287631C2

RU 2 471 033 C2

Authors

Cheng Vejguo

Grehj Ross T.

Dates

2012-12-27—Published

2008-09-12—Filed