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JSIR Vol.69(04) [April 2010] >


Title: Surface charge of different paper making raw materials and its influence on paper properties
Authors: Sood, Y V
Tyagi, Renu
Tyagi, Sanjay
Pande, P C
Tondon, Rajnish
Keywords: Filler
Paper making
Print quality
Pulps
Surface charge
Issue Date: Apr-2010
Publisher: CSIR
Abstract: Analysis of common paper making fillers indicated that TiO2 (Anatase) has highest negative charge whereas GCC has slightly positive charge. Hypo chlorite bleached pulps have higher negative charge than pulps obtained by other bleaching sequences employed by paper mills. Increment in negative surface charge in pulps caused negative effect on filler retention, specific scattering co-efficient and print density of paper, however print through tendency increased causing poor print quality.
Page(s): 300-304
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Source:JSIR Vol.69(04) [April 2010]

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