Application of Hybrid Calcium Carbonate for High-loaded Paper

Jin Sung Choi; Dong Suk Kang; Jung Soo Han; Yung Bum Seo

doi:10.7584/JKTAPPI.2018.12.50.6.13

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Application of Hybrid Calcium Carbonate for High-loaded Paper 고충전지 개발을 위한 하이브리드 탄산칼슘 충전제의 이용

30 December 2018. pp. 13-19

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Abstract

High filler loading in printing paper enables papermakers to reduce production cost, drying energy, and carbon dioxide emission as long as all the paper essential properties are satisfied. The hybrid calcium carbonate (HCC) was prepared by injecting carbon dioxide to the pre-flocculated mixture of grounded calcium carbonate (GCC) and calcium oxide particles in aqueous medium. HCC made the paper sheet bulkier, stronger, and stiffer than GCC did, but slightly lower in solid contents. Higher wet pressing pressure was applied to the HCC containing sheets in the lab, and it was found that they were still bulkier, stronger, and stiffer, and gave higher solid contents than the GCC though their physical properties were slightly lower than the HCC sheets from original wet pressing pressure case. Comparison of HCC sheet containing 5-10% more fillers to the GCC sheet suggests that there might be possible to increase at least 5% more fillers without loss of physical properties.

Keywords

Calcium carbonate

high loaded paper

hybrid calcium carbonate

solid content

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 : 50
No :6
Pages :13-19
Received Date : 2018-11-02
Revised Date : 2018-11-14
Accepted Date : 2018-11-16
DOI :https://doi.org/10.7584/JKTAPPI.2018.12.50.6.13

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

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Literature Cited