Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Sami-Seppo Ovaska"'
Autor:
Sami Matthews, Amir Esmael Toghyani, Sami-Seppo Ovaska, Harri Eskelinen, Timo Kärki, Juha Varis
Publikováno v:
BioResources, Vol 11, Iss 3, Pp 7001-7015 (2016)
Wood plastic composites (WPCs) have recently gained increased market share as a result of their beneficial properties and use of sustainable material sources. Currently, however, WPC products are limited to extruded profiles. More complex product sha
Externí odkaz:
https://doaj.org/article/e9643fd8797c48d6aefa97369fdfd447
Structure and Transport Properties of Mixed-Matrix Membranes Based on Polyimides with ZrO2 Nanostars
Autor:
Maria P. Sokolova, Michael A. Smirnov, Pavel Geydt, Alexander N. Bugrov, Sami-Seppo Ovaska, Erkki Lahderanta, Alexander M. Toikka
Publikováno v:
Polymers, Vol 8, Iss 11, p 403 (2016)
Mixed-matrix membranes based on amorphous and semi-crystalline polyimides with zirconium dioxide (ZrO2) nanostars were synthesized. Amorphous poly(4,4′-oxydiphenylenepyromellitimide) and semi-crystalline polyimide prepared from 1,4-bis(4-aminopheno
Externí odkaz:
https://doaj.org/article/91c9fb8f2bf6453da0b52bc7a119acbd
Publikováno v:
Cellulose. 28:9751-9768
The effects of bio-based strengthening agents and mineral filling procedure on the 3D elongation of chemi-thermomechanical pulp (CTMP) handsheets with and without mineral (PCC) filling have been investigated. The 3D elongation was measured using a pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c5132432000d342ab1e836cdb194112f
https://doi.org/10.1007/s10570-021-04139-4
https://doi.org/10.1007/s10570-021-04139-4
Publikováno v:
Nordic Pulp & Paper Research Journal. 36:312-322
There is currently a great demand for sustainable and bio-derived coatings for fiber-based packaging materials, which are technically implementable with a high performance. The aim of this work was to investigate the grease resistance of coatings pre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5e7d83fb9b33457d2ee648591d68e4a
https://doi.org/10.1515/npprj-2020-0099
https://doi.org/10.1515/npprj-2020-0099
Publikováno v:
BioResources. 16:597-613
Foams were prepared from hydrophobically modified ethyl(hydroxyethyl) cellulose (EHEC), methyl nanocellulose, and native microfibrillated cellulose (MFC). Their film- and foam-forming abilities, stabilities, and suitabilities for foam coating on diff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef62db2502849f97bedbb3a8653e0e63
https://doi.org/10.15376/biores.16.1.597-613
https://doi.org/10.15376/biores.16.1.597-613
Publikováno v:
Cellulose. 26:3455-3471
This study examines the effect of pulp type on the formability and elongation of paperboard, which are of key importance when producing 3D packages. Material performance was studied with a press-forming machine using laboratory handsheets as substrat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73db1b16d07f364cd5f64ef8c2a412c0
https://doi.org/10.1007/s10570-019-02294-3
https://doi.org/10.1007/s10570-019-02294-3
Autor:
Sami-Seppo Ovaska, Kaj Backfolk
Publikováno v:
Nordic Pulp & Paper Research Journal. 33:279-296
This paper reviews the use of the Bristow Absorption Tester (known also as the Bristow wheel) in the characterization of fiber-based substrates. The Bristow wheel is a laboratory-scale instrument that has been designed for studying substrate wettabil
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eda97b6d097f8c2a1baa1fcc0b09b14e
https://doi.org/10.1515/npprj-2018-3040
https://doi.org/10.1515/npprj-2018-3040
Publikováno v:
Nordic Pulp & Paper Research Journal. 33:348-357
Optimization of storage conditions is essential for successful converting of paperboard. This paper investigates the effect of blank moisture content on the dimensional accuracy and rigidity of press-formed paperboard trays. The trays were manufactur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::07d24e9823b5ad077777647d74c1e513
https://doi.org/10.1515/npprj-2018-3027
https://doi.org/10.1515/npprj-2018-3027
Autor:
Sami Matthews, Kaj Backfolk, Henry Lindell, Sami-Seppo Ovaska, Matti Manninen, Panu Tanninen, Katriina Mielonen, Ville Leminen
Publikováno v:
Polymers and Polymer Composites. 26:273-282
A packaging material requires a proper interaction with regard to water vapour transmission between the product and the outside environment. For many fresh food products such as bakery goods, fruits, and vegetables, microperforation is utilised to ex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::340d34f3093740fc114c8edf6a80af79
https://doi.org/10.1177/096739111802600401
https://doi.org/10.1177/096739111802600401
Autor:
Amir Toghyani, Panu Tanninen, Ville Leminen, Marko Hyvärinen, Harri Eskelinen, Juha Varis, Antti Pesonen, Sami-Seppo Ovaska, Sami Matthews, Timo Kärki
Publikováno v:
Procedia Manufacturing. 17:1090-1096
Press forming offers a feasible and sustainable post-production method to utilize wood plastic composite(WPC) materials made of recycled raw materials. The effect of moisture has been validated in the research of WPC material fabrication and pre-proc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::abb7ea5d14c64f8bd597c665908b1b78
https://doi.org/10.1016/j.promfg.2018.10.076
https://doi.org/10.1016/j.promfg.2018.10.076