Filler Modification Engineering for Improved Paper Properties and Papermaking Process, PaperCon '09 Conference

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Filler modification with starch and carboxyl methyl cellulose (CMC) coating provides a new engineering solution for reducing papermaking cost, improving drainage and drying rates, and improving paper physical properties. Georgia Tech has been working with filler industry and papermakers on filler engineering for 8 years. Several modification methods, either dry or wet coating methods, have been developed. Laboratory studies, pilot trials and mill trials show that the modified fillers have many advantages than traditional method using unmodified fillers. This paper reviews our works that have been done in the area of filler modification at Georgia Tech with the emphasis on the concept developments and laboratory and pilot trial results. The mill trial studies will be discussed separately in other publications.

Product code: 09PAP47

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