Development of Hybrid Calcium Carbonate for High Loading Paper (II) : Comparison with GCC

Jae Kwon Jung; Yung Bum Seo

doi:10.7584/ktappi.2015.47.4.076

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2015 Vol.47, Issue 4 Preview Page Next Page

Development of Hybrid Calcium Carbonate for High Loading Paper (II) : Comparison with GCC 고충전지 제조를 위한 하이브리드 탄산칼슘 충전제의 개발 (II) : 중질탄산칼슘과 비교

30 August 2015. pp. 76-80

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Abstract

In filler loaded paper, the size of the filler affects its strength, optical and surface properties. As the size of the filler increases, tensile strength and bulk usually increases, opacity decreases, and smoothness becomes worse. Pre-flocculation of GCC (grounded calcium carbonate) makes large diameter flocs at aqueous medium that consists of multiple GCC particles, but they collapse to 2-dimensional shape in dried paper and makes low bulk paper. The hybrid calcium carbonate (HCC) that was made by in-situ CaCO₃ formation between GCC in aqueous medium made high bulk paper without harming tensile strength, bulk, opacity, and smoothness. The GCC that has equivalent size as HCC failed to make high opacity and smoothness as much as HCC.

Keywords

Calcium carbonate

high loaded paper

hydrid calcium carbonate

filler size effect

mechanical properties

References

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Information

Publisher :Korea Technical Association of The Pulp and Paper Industry
Publisher(Ko) :한국펄프종이공학회
Journal Title :Journal of Korea TAPPI
Journal Title(Ko) :펄프종이기술
Volume : 47
No :4
Pages :76-80
Received Date : 2015-08-01
Revised Date : 2015-08-20
Accepted Date : 2015-08-22
DOI :https://doi.org/10.7584/ktappi.2015.47.4.076

Journal of Korea TAPPI ISSN:0253-3200(Print) 펄프종이기술

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Literature Cited