Laboratory of Paper Coating and Converting

Transcription

1 Laboratory of Paper Coating and Converting Mari Nurmi Department of Chemical Engineering Center for Functional Materials Åbo Akademi University Turku, FINLAND Laboratory of Paper Coating and Converting Center for Functional Materials October 2012 Arctic Circle Turku/Åbo Laboratory of Paper Coating and Converting Center for Functional Materials October 2012

2 ÅBO AKADEMI UNIVERSITY Swedish language university 7000 students, over 600 international students 900 doctoral students 12 departments on 4 campuses Department of Chemical Engineering: 600 students, 35 professors and senior lecturers, ~200 researchers 11 laboratories Natural Materials Technology at Åbo Akademi Lab. of Paper Coating and Converting: Prof. M. Toivakka Lab. of Fibre and Cellulose Technology: Prof. P. Fardim Lab. of Wood and Paper Chemistry: Prof. S.Willför

3 Laboratory of Paper Coating and Converting LABORATORY OF PAPER COATING AND CONVERTING Research environment: Åbo Akademi Natural Materials Technology Group FunMat - Centre of Excellence for Functional Materials appointed by Academy of Finland Host for FunMat-laboratory for printed electronics and functionality Teaching: M.Sc. & Ph.D. level courses in paper engineering, surface treatment, printing, rheology, natural fiber composites, nanotechnology, intelligent paper applications

4 Novel Dry Coating Methods for Paper Plasma Coating High Voltage Al 2 O 3 Plasma Carrier gas Precursors Liquid Flame Spray nanoparticle deposition Mari Nurmi Laboratory of Paper Coating and Converting October 2012 Offset Print Quality -Ink Transfer Print density Ink amount 1 (120 mg) Ink amount 2 (80 mg) Damped Not damped Damped Not damped Untreated HMDSO CF CH 25nm Hydrocarbon plasma coating Untreated CH plasma Hydrophobic and oleophilic Allows for ink oil penetration and increases ink-coating affinity Reduces dampening water absorption Prevents formation of weak boundary layer (increases ink transfer) Mari Nurmi Laboratory of Paper Coating and Converting October 2012

5 Paper Electronics = Printed Electronics on Paper Laboratory of Paper Coating and Converting Center for Functional Materials October 2012 Paper for Printed Electronics - Control of Surface Roughness Smoothing layer (Kaolin) RMS 300 nm Precoating (GCC) RMS 580 nm Calandered topcoating (Kaolin) RMS 55 nm Barrier layer (Latex) RMS 260 nm Mylar A RMS 30 nm Basepaper: 80 g/m 2 woodfree 250 µm Omya J. Järnström, P. Ihalainen, K. Backfolk, J. Peltonen: Applied Surface Science 2542 (2008) 5741 R. Bollstrom, D. Tobjörk, A. Määttänen, P. Ihalainen, R. Österbacka, J. Peltonen, M. Toivakka,: Org. Electronics, 10, 1020 (2009) R. Bollström, A. Määttänen, P. Ihalainen, M. Toivakka, J. Peltonen: Patent application PCT/FI2010/050056

6 Example Substrate Concept For Paper Electronics Topcoating (Kaolin) µm Barrier layer (Latex) 1-25 µm Smoothing layer (Kaolin) Precoating (GCC) Basepaper Bollström, R., A. Määttänen, D. Tobjörk, P. Ihalainen, N. Kaihovirta, R. Österbacka, J. Peltonen, and M. Toivakka. "A multilayer coated fiber-based substrate suitable for printed functionality." Organic Electronics 10, no. 5 (2009): Low-voltage Organic Field Effect Transistor (OFET) on Paper HIFET: Source and drain AgNP-ink: Inkjet printed and IR-sintered (10 s) Organic semiconductor P3HT: Inkjet printed Dielectric (hygroscopic insulator) PVP: Reverse gravure coated Gate contact PEDOT:PSS: Inkjet printed or drop cast FUJIFILM Dimatix, Inc Mini-Labo, Yasui Seiki Co.

7 Printed Transistor on Paper Silver PEDOT/PSS PVP P3HT Silver FunPrinter - Custom-built Hybrid Printer Alignment Camera Inkjet Infrared Flexography Unwinder Rewinder Infrared Reverse Gravure Spray Coating Ovens

8 Roll-to-roll Printed Proofs-of-concept Devices Transistor Ring oscillator Electrochromic pixels Hydrogen sulfide sensor Oxygen sensor Ion-selective electrode Reaction array Printable Circuit for Gas Sensors Adjustable Packaging Line for the Future Sensors and indicators for modified atmosphere packages E.g. for oxygen and hydrogen sulfide

9 Electrochromic Pixels -1.5 V 0 V +1.5 V P. Andersson, D. Nilsson, P. O. Svensson, M. X. Chen, A. Malmstrom, T. Remonen, T. Kugler, M. Berggren, Active matrix displays based on allorganic electrochemical smart pixels printed on paper, Advanced Materials 2002, 14, 1460 P. Andersson, R. Forchheimer, P. Tehrani, M. Berggren, Printable all-organic electrochromic active-matrix displays, Adv. Funct. Mater. 17 (2007) Recent Publications Bollström, R., M. Tuominen, A. Määttänen, J. Peltonen, and M. Toivakka. "Top layer coatability on barrier coatings." Progress in Organic Coatings 73, no. 1 (2012): Bollström, R., J. J. Saarinen, J. Räty, and M. Toivakka. "Measuring solvent barrier properties of paper." Measurement Science and Technology 23 (2012): Tobjörk, D., H. Aarnio, P. Pulkkinen, R. Bollström, A. Määttänen, P. Ihalainen, T. Mäkelä, J. Peltonen, M. Toivakka, H. Tenhu et al. "IR-sintering of ink-jet printed metal-nanoparticles on paper." Thin Solid Films 520, no. 7 (2012): Ihalainen, P., A. Määttänen, U. Mattinen, M. Stepien, R. Bollström, M. Toivakka, J. Bobacka, and J. Peltonen. "Electrodeposition of PEDOT-Cl film on a fully printed Ag/polyaniline electrode." Thin Solid Films 519 (2011): Saarinen, J. J., P. Ihalainen, A. Määttänen, R. Bollström, and J. Peltonen. "Printed sensor and electric field assisted wetting on a natural fibre based substrate." Nordic Pulp and Paper Research Journal 26, no. 1 (2011). Määttänen, A., D. Fors, S. Wang, D. Valtakari, P. Ihalainen, and J. Peltonen. "Paper-based planar reaction arrays for printed diagnostics." Sensors and Actuators B: Chemical 160, no. 1 (2011): Määttänen, A., P. Ihalainen, R. Bollström, M. Toivakka, and J. Peltonen. "Wetting and print quality study of an inkjetprinted poly(3-hexylthiophene) on pigment coated papers." Colloids and Surfaces A: Physicochemical and Engineering Aspects 367, no. 1-3 (2010): Määttänen, A., P. Ihalainen, R. Bollström, S. Wang, M. Toivakka, and J. Peltonen. "Enhanced Surface Wetting of Pigment Coated Paper by UVC Irradiation." Industrial & Engineering Chemistry Research 49, no. 22 (2010): Pykönen, M., K. Johansson, R. Bollström, P. Fardim, and M. Toivakka. "Influence of Surface Chemical Composition on UV-Varnish Absorption into Permeable Pigment-Coated Paper." Industrial & Engineering Chemistry Research 49, no. 5 (2010): Bollström, R., A. Määttänen, D. Tobjörk, P. Ihalainen, N. Kaihovirta, R. Österbacka, J. Peltonen, and M. Toivakka. "A multilayer coated fiber-based substrate suitable for printed functionality." Organic Electronics 10, no. 5 (2009): Laboratory of Paper Coating and Converting Center for Functional Materials October 2012