Zobrazeno 1 - 10 of 25 pro vyhledávání: '"Kirsi Kataja"'
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Akademický článek
Utilizing and Valorizing Oat and Barley Straw as an Alternative Source of Lignocellulosic Fibers
Autor: Marc Borrega, Ville Hinkka, Hanna Hörhammer, Kirsi Kataja, Eija Kenttä, Jukka A. Ketoja, Rosa Palmgren, Minna Salo, Henna Sundqvist-Andberg, Atsushi Tanaka
Publikováno v: Materials, Vol 15, Iss 21, p 7826 (2022)
The transition to sustainable, biodegradable, and recyclable materials requires new sources of cellulose fibers that are already used in large volumes by forest industries. Oat and barley straws provide interesting alternatives to wood fibers in ligh
Externí odkaz: https://doaj.org/article/a2747bd77a3748d19821f49656709460
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3
Elintarvikepakkaaminen muuttaa muotoaan
Autor: Maria Åkerman, Frans Silvenius, Taina Lahtinen, Anna Forssen, Antti Mutanen, Kirsi Kataja, Jari Viitanen, Esa-Jussi Viitala
Publikováno v: Viitanen, J, Kataja, K, Mutanen, A, Viitala, E-J, Åkerman, M, Lahtinen, T, Silvenius, F & Forssen, A 2021, ' Elintarvikepakkaaminen muuttaa muotoaan ', Metsätieteen aikakauskirja, vol. 2021, 10511 . https://doi.org/10.14214/ma.10511
Metsätieteen aikakauskirja, Vol 2021, Iss 0 (2021)
A review article of forces of changes, which affect food and beverage packaging market: Market evolution until 2030, Policies and regulations, Environmental issues, Competition of pulp between the packaging materials and other product groups.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc1a1138fa812bdc8781f0f8f5a63235
https://cris.vtt.fi/en/publications/e60ff2ed-1589-47c9-947d-5d82eeaef420
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4
High velocity dry spinning of nanofibrillated cellulose (CNF) filaments on an adhesion controlled surface with low friction
Autor: Juha Salmela, Asko Sneck, Hannes Orelma, Anna Suurnäkki, Kirsi Kataja, Ali Harlin, Pia Qvintus, Yingfeng Shen
Publikováno v: Shen, Y, Orelma, H, Sneck, A, Kataja, K, Salmela, J, Qvintus, P, Suurnäkki, A & Harlin, A 2016, ' High velocity dry spinning of nanofibrillated cellulose (CNF) filaments on an adhesion controlled surface with low friction ', Cellulose, vol. 23, no. 6, pp. 3393-3398 . https://doi.org/10.1007/s10570-016-1044-5
A new process for preparing thin cellulose nanofibril (CNF) filaments (thickness of 16 µm) was investigated by utilizing the dry spinning approach. In the process, CNF hydrogel was extruded through a fine nozzle onto an adhesion controlled capstan (
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::943e3af30d159cbe0e74c05dce77985f
https://doi.org/10.1007/s10570-016-1044-5
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5
Recycling of Contaminated Construction and Demolition Wood Waste
Autor: Sari Liukkonen, Kirsi Kataja, Marjo Määttänen, Hille Rautkoski, Jarmo Kouko, Johanna Liukkonen, Mika Vähä-Nissi, Marie Gestranius, Sari Asikainen
Publikováno v: Rautkoski, H, Vähä-Nissi, M, Kataja, K, Gestranius, M, Liukkonen, S, Määttänen, M, Liukkonen, J, Kouko, J & Asikainen, S 2016, ' Recycling of Contaminated Construction and Demolition Wood Waste ', Waste and Biomass Valorization, vol. 7, no. 3, pp. 615-624 . https://doi.org/10.1007/s12649-016-9481-9
European Union has set a 70 % recycling goal for construction and demolition waste by 2020. In Finland, for example, 40 % of this waste is wood. The purpose of this study was to test the technical feasibility of pulping contaminated wood waste from t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::81acdede3a81542576257d0e32d57f7e
https://cris.vtt.fi/en/publications/3bc5b033-68a2-4505-9f91-5614242ad92f
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7
Design driven world of cellulose-from bulk to luxury?
Autor: Pia Qvintus, Kirsi Kataja, Pirjo Heikkilä, Juha Salmela, Jani Lehmonen, Jukka Ketoja, Tuomas Hänninen, Ali Harlin, Tiina Härkäsalmi, Jyrki Vuorinen, Tapani Vuorinen
Publikováno v: Qvintus, P, Kataja, K, Heikkilä, P, Salmela, J, Lehmonen, J, Ketoja, J, Hänninen, T, Harlin, A, Härkäsalmi, T, Vuorinen, J & Vuorinen, T 2014, Design driven world of cellulose-from bulk to luxury? in Fibre Value Chain Conference and Expo 2014 : Pulp and Paper Bioenergy Bioproducts . Appita, pp. 67-74, APPITA Fibre Value Chain Conference and Expo 2014, Rotorua, New Zealand, 15/10/14 .
Scopus-Elsevier
Tampere University
Tekes-the Finnish Funding Agency for Innovation has granted funding 4,5 million funding for a project targeting on new approaches for use of wood-based cellulose. Project "Design Driven Value Chains in The World of Cellulose" (DWoC) launched by VTT T
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::4ea634fd4ccb3044da71edbc261e3857
https://cris.vtt.fi/en/publications/b98df13c-0242-4d92-9bb6-d40b124dcdcf
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8
Use of silicate crystallite mesoporous material as catalyst support for Fischer-Tropsch reaction
Autor: Hiromichi Hayashi, Takeo Ebina, A. Chatterjee, Takashi Iwasaki, Matti Reinikainen, Kirsi Kataja, Kazuo Torii, Nagase Takako, Onodera Yoshiro
Publikováno v: Iwasaki, T, Reinikainen, M, Onodera, Y, Hayashi, H, Ebina, T, Nagase, T, Torii, K, Kataja, K & Chatterjee, A 1998, ' Use of silicate crystallite mesoporous material as catalyst support for Fischer-Tropsch reaction ', Applied Surface Science, vol. 130-132, pp. 845-850 . https://doi.org/10.1016/S0169-4332(98)00164-0
Novel uniform mesoporous materials (silicate crystallite mesoporous material, SCMM) were synthesized by hydrothermal treatment of Si, Mg and/or Al containing hydroxide precipitates, along with quaternary ammonium salt, and were applied as catalyst su
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::adfa3e7629d7c078aab286b012051535
https://cris.vtt.fi/en/publications/2816ce64-4b8e-416a-9309-83dc12b6cdf5
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9
The self-organization of starch on paper
Autor: Kirsi Kataja, Laura Kela, Henna Lampinen, Martti Toivakka, Mika Anttila, Sari Hyvärinen
Publikováno v: Anttila, M, Kataja, K, Kela, L, Hyvärinen, S, Lampinen, H & Toivakka, M 2012, ' The self-organization of starch on paper ', Nordic Pulp and Paper Research Journal, vol. 27, no. 3, pp. 621-630 . https://doi.org/10.3183/NPPRJ-2012-27-03-p621-630
The objective of this study was to clarify how modified starch polymers self-organize on the surface of paper. Understanding this phenomenon could enable tailoring of the surface of paper with small amounts of polymer, thereby controlling and adjusti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af9527589c5a46006249d2337efd81f7
https://cris.vtt.fi/en/publications/4066d7eb-7840-4ff4-b7f5-77708c8c8653
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10
Interactions between cationic amylose derivatives and a pulp fiber model surface studied by molecular modelling
Autor: Kirsi Kataja, Juha Linnanto, Reijo Suontamo, L. Kela, Soili Peltonen, Juha Knuutinen
Publikováno v: Kela, L, Knuutinen, J, Linnanto, J, Suontamo, R, Peltonen, S & Kataja, K 2007, ' Interactions between cationic amylose derivatives and a pulp fiber model surface studied by molecular modelling ', Journal of Molecular Structure: THEOCHEM, vol. 819, no. 1-3, pp. 1-12 . https://doi.org/10.1016/j.theochem.2007.05.021
This study was performed in order to obtain more information about the interactions between pulp fibers and acetylated cationic starch derivatives on a molecular scale. The adsorption of the polymers on the fiber surface was studied by simulating pol
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a4689cf34800375a482bde1a6a431cff
https://cris.vtt.fi/en/publications/59837880-9902-450e-bff3-aa385397a05e
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