L773:0576 9787
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Mechanical properties of paperboard with a needled middle layer
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- Klingberg, Maria, 1970 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Boldizar, Antal, 1957 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Hofer, Karin (author)
- Technische Universität Graz
- (creator_code:org_t)
- 2018
- 2018
- English.
- In: Cellulose Chemistry and Technology. - 0576-9787. ; 52:1-2, s. 89-97
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Needling of formed kraft pulp at a dry content of 20 % was previously shown to result in a redistribution of the fibres in the plane, resulting in local regions with a higher fibre structure density. The bending properties of a three-ply paperboard with a needled middle layer have here been studied, and it is shown that a needled middle layer can increase the bending resistance of a layered board by 8 % and that the peak bending angle can be increased by up to 20 %, although the bending stiffness may not be changed significantly. The needled middle layers had a higher compressive stiffness in the out-of-plane direction, but the effect of the needling on the tensile strength in the out-of-plane direction was insignificant.
Subject headings
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Trävetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Wood Science (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Pappers-, massa- och fiberteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Paper, Pulp and Fiber Technology (hsv//eng)
- NATURVETENSKAP -- Kemi -- Organisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Organic Chemistry (hsv//eng)
Keyword
- fibre network structure
- folding
- paperboard
- needle punching
- bending properties
Publication and Content Type
- art (subject category)
- ref (subject category)
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- AGRICULTURAL SCIENCES
- AGRICULTURAL SCI ...
- and Agriculture Fore ...
- and Wood Science
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- ENGINEERING AND TECHNOLOGY
- ENGINEERING AND ...
- and Materials Engine ...
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