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Box compression strength of packages in different climates
RISE - Research Institutes of Sweden (2017-2019), Bioekonomi, Papperstillverkning och förpackningar. RISE Research Institutes of Sweden, Bioekonomi och hälsa, Massa, papper och förpackningar.ORCID-id: 0000-0001-7356-1093
RISE - Research Institutes of Sweden (2017-2019), Bioekonomi, Papperstillverkning och förpackningar.ORCID-id: 0000-0002-9689-5966
2019 (engelsk)Inngår i: 29th IAPRI Symposium on packaging, 2019: Serving society innovative perspectives on packaging, 2019Konferansepaper, Publicerat paper (Annet vitenskapelig)
Abstract [en]

Packages made of five folding box boards made on the same paperboard machinehave been analysed. The paperboards were from the same product series but had different grammage (235, 255, 270, 315, 340 g/m2) and different bending stiffness. Thepaperboards are normally used to make packages, and since the bending stiffnessand grammage varies the packages performance will be different. In this study, twodifferent load cases were defined and Box Compression Tests (BCT) were performedat different levels of relative humidity (30, 50, 70, 90 % RH) and were evaluated as afunction of moisture ratio.The result showed a linear relation between the box compression strength and themoisture ratio. In addition, when the data was normalized with the measurements forthe standard climate (50 % RH) and was evaluated as a function of moisture ratio, theresult indicated that the normalized box compression strength for all the paperboardsand both of the load cases could be expressed as a linear function of moisture, dependent of two constants a and b.Consequently, the study indicates that it is possible to estimate the Box compressionstrength at different climates of a package made of paperboard, by knowing the boxcompression strength for the standard climate (50 % RH and 23 °C) and the constantsa and b.

sted, utgiver, år, opplag, sider
2019.
Emneord [en]
paperboard, moisture, compression strength, mechanical properties, package performance
HSV kategori
Identifikatorer
URN: urn:nbn:se:ri:diva-39739OAI: oai:DiVA.org:ri-39739DiVA, id: diva2:1342709
Konferanse
29th IAPRI Symposium on packaging, 11-14 June, 2019, Enschede, The Netherlands
Tilgjengelig fra: 2019-08-14 Laget: 2019-08-14 Sist oppdatert: 2023-11-01bibliografisk kontrollert

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Marin, GustavNygårds, Mikael

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