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Mechanisms of strength and stiffness improvement of paper after PFI refining with a focus on the effect of fines

Cellulose (London), 2019-04, Vol.26 (6), p.4099-4124 [Peer Reviewed Journal]

The Author(s) 2019 ;Copyright Springer Nature B.V. 2019 ;ISSN: 0969-0239 ;ISSN: 1572-882X ;EISSN: 1572-882X ;DOI: 10.1007/s10570-019-02349-5

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Title:
Mechanisms of strength and stiffness improvement of paper after PFI refining with a focus on the effect of fines
Author: Motamedian, Hamid Reza ; Halilovic, Armin E. ; Kulachenko, Artem
Subjects: Beating ; Bioorganic Chemistry ; Ceramics ; Chemistry ; Chemistry and Materials Science ; Composites ; Computer simulation ; Densification ; Fiber network ; Fines ; Glass ; Mechanical properties ; Natural Materials ; Organic Chemistry ; Original Research ; Papermaking ; PFI ; Physical Chemistry ; Polymer Sciences ; Refining ; Sheets ; Simulation ; Stiffness ; Strength ; Sustainable Development
Is Part Of: Cellulose (London), 2019-04, Vol.26 (6), p.4099-4124
Description: Refining (i.e., mechanical beating of pulp) is a common procedure that is used in paper-making to improve the mechanical properties of the final product. The improvements caused by refining are mainly attributed to increased density and to a better bonding between fibers. In this work, we study how various mechanisms that can be triggered by refining affect the tensile behavior of the sheets. Consequently, we use direct numerical simulations of fiber networks. We relate our finding to the experimental measurements that we conducted on handsheets. We have found that fibrillar fines with size distributions below the resolution of modern state-of-the art pulp characterization tools have a substantial contribution to the increased strength and stiffness of the sheets.
Publisher: Dordrecht: Springer Netherlands
Language: English
Identifier: ISSN: 0969-0239
ISSN: 1572-882X
EISSN: 1572-882X
DOI: 10.1007/s10570-019-02349-5
Source: SpringerOpen
ProQuest Central

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Mechanisms of strength and stiffness improvement of paper after PFI refining with a focus on the effect of fines

The Author(s) 2019 ;Copyright Springer Nature B.V. 2019 ;ISSN: 0969-0239 ;ISSN: 1572-882X ;EISSN: 1572-882X ;DOI: 10.1007/s10570-019-02349-5

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