Timo Lappalainen

1989 …2020
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Research Output 1989 2019

2019

Foam-fiber interaction in tailoring lightweight materials

Ketola, A., Hjelt, T., Lappalainen, T., Pajari, H., Tammelin, T., Ketoja, J. A., Xiang, W. & Rojas, O. J., Apr 2019.

Research output: Contribution to conferenceConference AbstractScientificpeer-review

Foams
Fibers
Surface-Active Agents
Silicon Dioxide
Cellulose

Polyvinyl alcohol as foaming agent in foam formed paper

Gottberg, J., Lappalainen, T. & Salminen, K., 1 Aug 2019, In : Tappi Journal. 18, 8, p. 475 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Polyvinyl Alcohol
Blowing agents
Molar mass
Polyvinyl alcohols
Foams

Progress in foam forming technology

Kiiskinen, H., Salminen, K., Lappalainen, T., Asikainen, J., Keränen, J. T. & Hellen, E., 2019, In : Tappi Journal. 18, 8, p. 499-510

Research output: Contribution to journalArticleScientificpeer-review

Foams
Raw materials
Papermaking
Fibers
Insulation

Progress in foam forming technology

Kiiskinen, H., Salminen, K., Lappalainen, T., Asikainen, J., Keränen, J. T. & Hellen, E., 1 Aug 2019, In : Tappi Journal. 18, 8, p. 499 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Foams
Raw materials
Papermaking
Fibers
Insulation

Revealing foam-fibre interactions in the production of lightweight materials: captive bubble study with model silica and cellulose surfaces

Ketola, A., Xiang, W., Hjelt, T., Lappalainen, T., Pajari, H., Tammelin, T., Ketoja, J. A. & Rojas, O. J., Jun 2019, Bubble and Drop Conference: Book of Abstracts. p. 26 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

Cellulose
Silicon Dioxide
Foams
Fibers
Sodium Dodecyl Sulfate
2018

Detection of iron and iron-cobalt labeled cellulose nanofibrils using ICP-OES and XμCT

Turpeinen, T., Lappalainen, T., Kenttä, E. & Torvinen, K., 1 Nov 2018, In : Nordic Pulp and Paper Research Journal. 33, 4, p. 610-617 8 p.

Research output: Contribution to journalArticleScientificpeer-review

nanofibers
Optical emission spectroscopy
Inductively coupled plasma
cobalt
Cobalt

Foam-formed fibre materials: Tailoring material performance by foam-fibre interaction

Ketola, A., Hjelt, T., Pajari, H., Lappalainen, T., Tammelin, T. & Ketoja, J. A., Jul 2018. 1 p.

Research output: Contribution to conferenceConference AbstractScientificpeer-review

Foams
Fibers
Surface-Active Agents
Colloids
Air
2 Citations (Scopus)

Foam Processing of Fibers As a Sustainable Alternative to Wet-Laying: Fiber Web Properties and Cause-Effect Relations

Xiang, W., Filpponen, I., Saharinen, E., Lappalainen, T., Salminen, K. & Rojas, O. J., 5 Nov 2018, In : ACS Sustainable Chemistry & Engineering. 6, 11, p. 14423-14431 9 p.

Research output: Contribution to journalArticleScientificpeer-review

foam
Foams
Fibers
Processing
Blowing agents
3 Citations (Scopus)

The effect of in-line foam generation on foam quality and sheet formation in foam forming

Koponen, A., Jäsberg, A., Lappalainen, T. & Kiiskinen, H., 2018, In : Nordic Pulp and Paper Research Journal. 33, 3, p. 482-495 14 p.

Research output: Contribution to journalArticleScientificpeer-review

foams
foam
Foams
effect
pulp and paper industry
Epichlorohydrin
Blowing agents
foams
foam
Cellulose

Towards nanoenabled bio-based future solutions by foam technologies

Torvinen, K., Heikkilä, P., Lappalainen, T., Jetsu, P., Forsström, U. & Ketoja, J., 1 Jan 2018, International Conference on Nanotechnology for Renewable Materials 2018. TAPPI Press, Vol. 1. p. 124-135 12 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

2017

Effect of amphiphilic compounds in foam forming

Xiang, W., Li, S., Filpponen, I., Saharinen, E., Salminen, K., Lappalainen, T. & Rojas, O. J., 1 Jan 2017, Paper Conference and Trade Show, PaperCon 2017: Renew, Rethink, Redefine the Future. TAPPI Press, Vol. 1. p. 520-531 12 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

foams
foam
Foams
Fibers
papermaking

Interaction of cellulose fibres with aqueous foam

Ketola, A., Hjelt, T., Pajari, H., Lappalainen, T., Tammelin, T. & Ketoja, J., 2017, Cellulose Materials Doctoral Students Conference 2017. Graz University of Technology, p. 99-100

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

Novel biobased micro- and nanomaterials in porous foam formed structures

Torvinen, K., Pöhler, T., Lappalainen, T., Paajanen, A., Sirviö, J. & Ketoja, J., 1 Jan 2017, p. 165-175. 11 p.

Research output: Contribution to conferenceOther conference contributionScientific

Nanostructures
Nanostructured materials
Cellulose
Foams
Fibers

Polyvinyl alcohol as foaming agent in foam formed paper

Gottberg, J. M., Lappalainen, T. & Salminen, K., 1 Jan 2017, Paper Conference and Trade Show, PaperCon 2017: Renew, Rethink, Redefine the Future. TAPPI Press, Vol. 1. p. 553-562 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

2016
9 Citations (Scopus)

Interfacial Stabilization of Fiber-Laden Foams with Carboxymethylated Lignin toward Strong Nonwoven Networks

Li, S., Xiang, W., Järvinen, M., Lappalainen, T., Salminen, K. & Rojas, O. J., 2016, In : ACS Applied Materials & Interfaces. 8, 30, p. 19827-19835

Research output: Contribution to journalArticleScientificpeer-review

Lignin
Foams
Stabilization
Fibers
Liquids

Tailoring the microporous structure of fibre materials with foam carrier

Hjelt, T., Al-Qararah, A. M., Pajari, H., Koponen, A., Laine, C., Lappalainen, T., Paananen, A. & Ketoja, J. A., 2016.

Research output: Contribution to conferenceConference AbstractScientific

bubbles
foams
microstructure
rheology
surfactants
2015

Foam forming: Effects of different variables on fiber foam characteristics

Salminen, K., Lappalainen, T., Kiiskinen, H. T. & Sinkkonen, M., 2015, Paper Conference and Trade Show (PaperCon 2015). Curran Associates Inc., p. 1379-1389

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Foams
Fibers
Water hardness
Surface active agents
Temperature
2014
20 Citations (Scopus)

A paper-based lateral flow assay for morphine

Teerinen, T., Lappalainen, T. & Erho, T., 2014, In : Analytical and Bioanalytical Chemistry. 406, 24, p. 5955-5965

Research output: Contribution to journalArticleScientificpeer-review

Immunoglobulin Fab Fragments
Morphine
Assays
Street Drugs
Immunoglobulin Fragments
15 Citations (Scopus)

Foam forming revisited: Part II. Effect of surfactant on the properties of foam-formed paper products

Lappalainen, T., Salminen, K., Kinnunen, K., Järvinen, M., Mira, I. & Andersson, M., 2014, In : Nordic Pulp and Paper Research Journal. 29, 4, p. 689-699 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Paper products
foams
foam
Surface-Active Agents
surfactants
18 Citations (Scopus)

Foam forming revisited: Part I. Foaming behaviour of fibre-surfactant systems

Mira, I., Andersson, M., Boge, L., Blute, I., Carlsson, G., Salminen, K., Lappalainen, T. & Kinnunen, K., 2014, In : Nordic Pulp and Paper Research Journal. 29, 4, p. 679-688 9 p.

Research output: Contribution to journalArticleScientificpeer-review

foaming
foams
foam
Surface-Active Agents
surfactants

Foam forming-the effects of surfactant type on characteristics of fiber-foam suspension and properties of formed fiber network

Salminen, K., Lappalainen, T., Kinnunen-Raudaskoski, K., Andersson, M., Carlsson, G. & Mira, I., 2014, Tappi Proceedings: PaperCon 2014 . TAPPI Press, Vol. 1-3. p. 758-765

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

foaming
foams
surfactants
dietary fiber
chemical interactions
1 Citation (Scopus)

Inclusion ratio based estimator for the mean length of the boolean line segment model with an application to nanocrystalline cellulose

Niilo-Rämä, M., Kärkkäinen, S., Gasbarra, D. & Lappalainen, T., 2014, In : Image Analysis and Stereology. 33, 2, p. 147-155 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Cellulose
Line segment
cellulose
estimators
Inclusion
2013

Foaming behaviour of cellulose pulp fibre-surfactant systems used for novel production of fibre-based materials

Mira, I., Andersson, M., Boge, L., Blute, I., Salminen, K., Lappalainen, T. & Kinnunen, K., 2013.

Research output: Contribution to conferenceConference articleScientificpeer-review

Surface-Active Agents
Cellulose
Pulp
Foams
Fibers

Inclusion ratio based estimator for the mean length of the Boolean line segment model applied to nanocellulose

Niilo-Rämä, M., Kärkkäinen, S., Gasbarra, D. & Lappalainen, T., 2013.

Research output: Contribution to conferenceOther conference contributionScientificpeer-review

sampling
method
fibre
2012
23 Citations (Scopus)

Determinations of bubble size distribution of foam-fibre mixture using circular hough transform

Lappalainen, T. & Lehmonen, J., 2012, In : Nordic Pulp and Paper Research Journal. 27, 5, p. 930-939 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Hough transforms
bubbles
foams
foam
Foams

Laboratory scale investigation of foam forming

Lappalainen, T., Salminen, K., Kinnunen, K., Järvinen, M., Mira, I., Boge, L., Andersson, M. & Carlsson, G., 2012.

Research output: Contribution to conferenceConference PosterScientific

Foams
Surface active agents
Fibers
Blowing agents
Papermaking
2011
2 Citations (Scopus)

Determination of local strains and breaking behaviour of wet paper using a high-speed camera

Lappalainen, T. & Kouko, J., 2011, In : Nordic Pulp and Paper Research Journal. 26, 3, p. 288-296 9 p.

Research output: Contribution to journalArticleScientificpeer-review

High speed cameras
cameras
digital image
testing
speed

Printable paper-based diagnostics

Teerinen, T., Lappalainen, T., Vento, P., Hakalahti, L. & Erho, T., 2011, Proceedings: International Conference on Fibrous Products in Medical and Health Care, FiberMed11. Talvenmaa, P. (ed.). Tampere: Tampere University of Technology

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Papermaking
Fluidics
Antibodies
Wetting
Printing

Toxicity and characteristics of microfibrillated cellulose in kinetic luminescent bacteria test environment

Kapanen, A., Vartiainen, J., Lappalainen, T., Korhonen, P. & Vikman, M., 2011, Book of abstracts: International Conference on the Environmental Effects on Nanoparticles and Nanomaterials (6 ; 2011 ; London).

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

2010
8 Citations (Scopus)

Cellulose as a novel substrate for lateral flow assay

Lappalainen, T., Teerinen, T., Vento, P., Hakalahti, L. & Erho, T., 2010, In : Nordic Pulp and Paper Research Journal. 25, 4, p. 536-550 15 p.

Research output: Contribution to journalArticleScientificpeer-review

Cellulose
cellulose
Assays
assay
Membranes
11 Citations (Scopus)

Influence of fibrillation method on the character of nanofibrillated cellulose (NFC)

Pöhler, T., Lappalainen, T., Tammelin, T., Eronen, P., Hiekkataipale, P., Vehniäinen, A. & Koskinen, T. M., 2010, International Conference on Nanotechnology for the Forest Products Industry 2010. TAPPI Press, p. 437-458

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Printable Paper-Based Immunodiagnostics

Erho, T., Teerinen, T., Lappalainen, T., Vento, P., Hakalahti, L. & Olkkonen, J., 2010.

Research output: Contribution to conferenceConference articleScientificpeer-review

Bioassay
Antibodies
Printing
Structural properties
Health
2008

Analysis of starch penetration into paper and board

Lappalainen, T., 2008, The First International Conference on Bioactive paper: Proceedings. p. 1-24

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

Starch
Iodine
Image analysis
Imaging techniques
Processing

Measurement of cockling of fine paper samples using shadow moire method

Lappalainen, T., Kiiskinen, H. & Reimann, K., 2008, Progress in Paper Physics Seminar 2008: Proceedings. p. 222-225

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

Surface topography
Topography
Printing
Defects
2004
21 Citations (Scopus)

Novel method for quantitative starch penetration analysis through iodine staining and image analysis of cross-sections of uncoated fine paper

Lipponen, J., Lappalainen, T., Astola, J. & Grön, J., 2004, In : Nordic Pulp and Paper Research Journal. 19, 3, p. 300 - 308 9 p.

Research output: Contribution to journalArticleScientificpeer-review

iodine
Iodine
Starch
starch
image analysis
2003

Determination of fiber orientation distribution from images of fiber networks

Kellomäki, M., Kärkkäinen, S., Penttinen, A. & Lappalainen, T., 2003, Jyväskylä: University of Jyväskylä. 21 p. (Publications of Laboratory of Data Analysis, Vol. 4).

Research output: Book/ReportReport

2001
1 Citation (Scopus)

Analysis of the chain-flail debarking using a high speed motion analysis system

Lappalainen, T., Aho, V-J. & Kärkkäinen, J., 2001, In : Holz als Roh- und Werkstoff. 59, 3, p. 195-200 6 p.

Research output: Contribution to journalArticleScientificpeer-review

flails
systems analysis
delimbing
Timber
drums (equipment)
2000
1 Citation (Scopus)

Optimization of illumination profiles in line-scan camera systems

Karjalainen, P. & Lappalainen, T., 2000, In : Measurement Science and Technology. 11, 9, p. 1301 - 1306 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Illumination
illuminance
Lighting
Camera
Cameras
1993

An automated method and device for the measurement of coating flexibility

Lappalainen, T., Kanko, T., Olkkonen, H. & Ahola, P., 1993, In : Materials and Structures. 26, 10, p. 614 - 620 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Paint
Coatings
Stretching
Weathering
Aluminum
6 Citations (Scopus)

Automated low energy photon absorption equipment for measuring internal moisture and density distributions of wood samples

Tiitte, M., Olkkonen, H., Lappalainen, T. & Kanko, T., 1993, In : Holz als Roh- und Werkstoff. 51, 6, p. 417 - 421 5 p.

Research output: Contribution to journalArticleScientificpeer-review

measuring devices
Wood
Moisture
Photons
moisture
1992

Pinnan halkeilun automaattinen analyysimenetelmä

Lappalainen, T., 1992, Espoo: VTT Technical Research Centre of Finland. 90 p. (VTT Julkaisuja - Publikationer; No. 755).

Research output: Book/ReportReport

image analysis
methodology
1989

Puun sähköiset mittausmenetelmät. Osa 5. Puun tiheyden ja kosteuden paikallinen mittaaminen gammasäteilylaitteistolla

Lappalainen, T., 1989, Espoo: VTT Technical Research Centre of Finland. 46 p. (Valtion teknillinen tutkimuskeskus. Tiedotteita; No. 1053).

Research output: Book/ReportReport