E A Retulainen

D.Sc. (Tech), Principal Scientist

1985 …2019
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Research Output 1985 2019

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Article
2019

Analysis of cellulose nanocrystals (CNCs) with flow cytometry

Strand, A., Vähäsalo, L., Retulainen, E. & Sundberg, A., 30 Jan 2019, In : Cellulose. 26, 2, p. 959-970 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Flow cytometry
Cellulose
Nanocrystals
Kraft pulp
Softwoods
2 Citations (Scopus)

A new protocol for efficient and high yield preparation of cellulose nanofibrils

Peng, Y., Duan, C., Elias, R., Lucia, L. A. & Fu, S., 30 Jan 2019, In : Cellulose. 26, 2, p. 877-887 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Cellulose
Acids
Sulfuric acid
Alkalies
Transparency
1 Citation (Scopus)

Cellulose nanofibrils prepared by gentle drying methods reveal the limits of helium ion microscopy imaging

Ketola, A. E., Leppänen, M., Turpeinen, T., Papponen, P., Strand, A., Sundberg, A., Arstila, K. & Retulainen, E., 1 Jan 2019, In : RSC Advances. 9, 27, p. 15668-15677 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
oxidized cellulose
Helium
Cellulose
Drying
Microscopic examination
1 Citation (Scopus)

Effect of mechanically induced micro deformations on extensibility and strength of individual softwood pulp fibers and sheets

Kouko, J., Jajcinovic, M., Fischer, W., Ketola, A., Hirn, U. & Retulainen, E., 15 Feb 2019, In : Cellulose. 26, 3, p. 1995-2012 18 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Softwoods
Pulp
Fibers
Elongation
Fiber bonding
1 Citation (Scopus)

Enhanced strength, stiffness and elongation potential of paper by spray addition of polysaccharides

Strand, A., Kouko, J., Oksanen, A., Salminen, K., Ketola, A., Retulainen, E. & Sundberg, A., 8 Feb 2019, In : Cellulose. 26, 5, p. 3473-3487 15 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Alginate
Polysaccharides
guar gum
Elongation
Stiffness

Influence of the Hemicellulose Content on the Fiber Properties, Strength, and Formability of Handsheets

Pere, J., Pääkkönen, E., Ji, Y. & Retulainen, E., 2019, In : BioResources. 14, 1, p. 251- 263 13 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Formability
Fibers
Xylans
swelling
Swelling
1 Citation (Scopus)

X-Ray Nanotomography of Individual Pulp Fibre Bonds Reveals the Effect of Wall Thickness on Contact Area

Sormunen, T., Ketola, A., Miettinen, A., Parkkonen, J. & Retulainen, E., 12 Mar 2019, In : Scientific Reports. 9, 1, p. 4258 7 p., 4258.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
X-Rays
X Ray Computed Tomography
Research
Cellulose
Light
2018

A Prediction Model for Grafting Reactive Red 120 on Nanocellulose

Wang, W., Fu, S., Peng, Y., Zheng, X. & Retulainen, E., 22 Oct 2018, In : BioResources. 13, 4, p. 8814-8822

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Dyeing
prediction
dye
Coloring Agents
Dyes

Boosting the elongation potential of paper by mechanical refining and additives

Strand, A., Kouko, J., Oksanen, A., Salminen, K., Ketola, A., Retulainen, E. & Sundberg, A., 2018, In : Tappi Journal. 17, 9, p. 489-498

Research output: Contribution to journalArticleScientificpeer-review

Refining
Elongation
Drying
Stiffness
guar gum

Dual Light- and pH-Responsive Composite of Polyazo-Derivative Grafted Cellulose Nanocrystals

Liu, X., Li, M., Zheng, X., Retulainen, E. & Fu, S., 14 Sep 2018, In : Materials. 11, 9, 13 p., 1725.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Cellulose derivatives
Cellulose
Nanocrystals
Composite materials
Macros

Effect of micro- and nanofibrillated cellulose on the drying shrinkage, extensibility, and strength of fibre networks

Ketola, A., Strand, A., Sundberg, A., Kouko, J., Oksanen, A., Salminen, K., Fu, S. & Retulainen, E., 2018, In : BioResources. 13, 3, p. 5319-5342

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Cellulose
cellulose
Elongation
Drying
spray
3 Downloads (Pure)

Extensible Cellulosic Fibre-polyurethane Composites Prepared via the Papermaking Pathway

Vishtal, A., Khakalo, A. & Retulainen, E., 23 May 2018, In : BioResources. 13, 3, p. 5360-5376

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Polyurethanes
Papermaking
Formability
plastic
Fibers
6 Downloads (Pure)

Fiber Evolution during Alkaline Treatment and Its Impact on Handsheet Properties

Ji, Y., Peng, Y., Strand, A., Fu, S., Sundberg, A. & Retulainen, E., 2018, In : BioResources. 13, 4, p. 7310-7324 15 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Fibers
Cellulose
cellulose
swelling
Swelling
2 Citations (Scopus)

In-situ analysis of polyelectrolyte complexes by flow cytometry

Strand, A., Vähäsalo, L., Ketola, A., Salminen, K., Retulainen, E. & Sundberg, A., 1 Jul 2018, In : Cellulose. 25, 7, p. 3781-3795 15 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Flow cytometry
Polyelectrolytes
Turbidity
Hydrophobicity
Complex Mixtures
1 Citation (Scopus)
Open Access
Dispersions
Polymers
Fibers
Formability
Thermoforming
2 Citations (Scopus)

The relationship between shrinkage and elongation of bleached softwood kraft pulp sheets

Kouko, J. & Retulainen, E., 2018, In : Nordic Pulp and Paper Research Journal. 33, 3, p. 522-533 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
kraft pulp
Kraft pulp
Softwoods
softwood
shrinkage

The sol-gel transition of ultra-low solid content TEMPO-cellulose nanofibril/mixed-linkage β-glucan bionanocomposite gels

Arola, S., Ansari, M., Oksanen, A., Retulainen, E., Hatzikiriakos, S. G. & Brumer, H., 28 Nov 2018, In : Soft Matter. 14, 46, p. 9393-9401 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Glucans
cellulose
linkages
oxidized cellulose
Cellulose
2017
Open Access
Fibers
Deinking
tensile strength
compressive strength
Compressive strength
5 Citations (Scopus)

In-plane compression and biopolymer permeation enable superstretchable fiber webs for thermoforming toward 3-D structures

Khakalo, A., Kouko, J., Filpponen, I., Retulainen, E. & Rojas, O., 2 Oct 2017, In : ACS Sustainable Chemistry & Engineering. 5, 10, p. 9114-9125 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Thermoforming
Biopolymers
Permeation
Compaction
compression
9 Citations (Scopus)

Mechanically-induced dimensional extensibility of fibers towards tough fiber networks

Khakalo, A., Vishtal, A., Retulainen, E., Filpponen, I. & Rojas, O. J., 1 Jan 2017, In : Cellulose. 24, 1, p. 191-205 15 p.

Research output: Contribution to journalArticleScientificpeer-review

Fibers
Fiber bonding
Composite materials
Dispersions
Refining

Recycled fibres and fibre sludge as reinforcement materials in injection moulded PP and PLA composites

Pääkkönen, E., Wikström, L., Peltola, H., Valta, K. & Retulainen, E., 2017, In : Journal of Bioresources and Bioproducts. 2, 3, p. 116-122

Research output: Contribution to journalArticleScientificpeer-review

Open Access
polylactic acid
composite materials
polypropylenes
sludge
injection
5 Citations (Scopus)

The effect of chemical additives on the strength, stiffness and elongation potential of paper

Strand, A., Khakalo, A., Kouko, J., Oksanen, A., Ketola, A., Salminen, K., Rojas, O., Retulainen, E. & Sundberg, A., 1 Jan 2017, In : Nordic Pulp and Paper Research Journal. 32, 3, p. 324-335 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Carboxymethylcellulose Sodium
carboxymethylcellulose
cellulose
stiffness
Elongation
2016
8 Citations (Scopus)

Cellulose kraft pulp reinforced polylactic acid (PLA) composites: effect of fibre moisture content

Virtanen, S., Wikström, L., Immonen, K., Anttila, U. & Retulainen, E., 2016, In : AIMS Materials Science. 3, 3, p. 756-769

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Kraft pulp
Cellulose
Moisture
Acids
Fibers
Open Access
Fibers
Recycling
recycling
fibre
material

The influence of strain rate and pulp properties on the stress relaxation of wet paper - modeling of relaxation

Kouko, J., Sorvari, J. & Retulainen, E., 2016, In : Tappi Journal. 15, 11, p. 693-703

Research output: Contribution to journalArticleScientificpeer-review

Stress relaxation
Pulp
Strain rate
Fibers
Refining
2015

Drying tension and shrinkage in paper and board: Part 2 A symmetric three-ply board

Retulainen, E., Martikainen, P. & Timofeev, O., 2015, In : Appita Journal. 68, 1, p. 55-59

Research output: Contribution to journalArticleScientificpeer-review

Drying
Driers (materials)
Paperboards
Stiffness

Drying tension and shrinkage in paper and board: Part 1 Single ply sheets of chemical and mechanical furnishes

Retulainen, E., Martikainen, P. & Timofeev, O., 2015, In : Appita Journal. 68, 1, p. 51-54

Research output: Contribution to journalArticleScientificpeer-review

Drying
Moisture
Temperature
12 Citations (Scopus)

Improving the extensibility of paper: Sequential spray addition of gelatine and agar

Vishtal, A., Khakalo, A., Rojas, O. & Retulainen, E., 2015, In : Nordic Pulp and Paper Research Journal. 30, 3, p. 452-460

Research output: Contribution to journalArticleScientificpeer-review

extensibility
gelatin
agar
spray
Agar
1 Citation (Scopus)

The influence of strain rate and pulp properties on the stress-strain curve and relaxation rate of wet paper

Kouko, J. & Retulainen, E., 2015, In : Tappi Journal. 14, 8, p. 515-524

Research output: Contribution to journalArticleScientificpeer-review

Stress-strain curves
Pulp
Strain rate
Kraft pulp
Stiffness
2014
33 Citations (Scopus)

3D forming of paperboard: The influence of paperboard properties on formability

Vishtal, A., Hauptmann, M., Zelm, R., Majschak, J-P. & Retulainen, E., 2014, In : Packaging Technology and Science. 27, 9, p. 677-691

Research output: Contribution to journalArticleScientificpeer-review

Paperboards
Formability
Packaging
Modified atmosphere packaging
Mechanical properties
2 Citations (Scopus)

An approach for improved 3d formability of paper

Vishtal, A. & Retulainen, E., 2014, In : International Paperworld IPW. 12, p. 46-50 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Formability
Packaging
Plastics
Hot pressing
Vacuum
18 Citations (Scopus)

Boosting the extensibility potential of fibre networks: A review

Vishtal, A. & Retulainen, E., 2014, In : BioResources. 9, 4, p. 7951-8001 50 p.

Research output: Contribution to journalArticleScientificpeer-review

Fibers
Packaging
future prospect
Formability
Elongation
1 Citation (Scopus)

Bulky paper with good strength and smoothness? Certainly!

Oksanen, A., Retulainen, E. & Brumer, H., 2014, In : Nordic Pulp and Paper Research Journal. 29, 4, p. 725-731

Research output: Contribution to journalArticleScientificpeer-review

porosity
Porosity
mechanical pulp
Mechanical pulp
papermaking
20 Citations (Scopus)

Improving the extensibility, wet web and dry strength of paper by addition of agar

Vishtal, A. & Retulainen, E., 2014, In : Nordic Pulp and Paper Research Journal. 29, 3, p. 434-443 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Paperboards
extensibility
agar
Agar
Fiber bonding
fillers (equipment)
wire
Fillers
Drying
drying
4 Citations (Scopus)

Influence of straining during wet pressing and drying on strength properties of paper

Kouko, J., Kekko, P. & Retulainen, E., 2014, In : Nordic Pulp and Paper Research Journal. 29, 3, p. 453-461 8 p.

Research output: Contribution to journalArticleScientificpeer-review

pressing
Drying
drying
stiffness
dietary fiber
6 Citations (Scopus)

Straining and relaxation properties of wet paper during heating

Kouko, J., Retulainen, E. & Kekko, P., 2014, In : Mechanics of Time-Dependent Materials. 18, 4, p. 697-719 22 p.

Research output: Contribution to journalArticleScientificpeer-review

Heating
Temperature
Thermal expansion
Moisture
Fibers
2013
28 Citations (Scopus)

Chemical modification of cellulosic fibers for better convertibility in packaging applications

Vuoti, S., Laatikainen, E., Heikkinen, H., Johansson, L-S., Saharinen, E. & Retulainen, E., 2013, In : Carbohydrate Polymers. 96, 2, p. 549-559 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Chemical modification
Cellulose
Packaging
Fibers
Esterification
30 Citations (Scopus)

The elongation potential of paper: How should fibres be deformed to make paper extensible?

Zeng, X., Vishtal, A., Retulainen, E., Sivonen, E. & Fu, S., 2013, In : BioResources. 8, 1, p. 472-486 15 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Elongation
Fibers
valley
dewatering
Softwoods
2012
48 Citations (Scopus)

Deep-drawing of paper and paperboard: The role of material properties

Vishtal, A. & Retulainen, E., 2012, In : BioResources. 7, 3, p. 4424-4450 26 p.

Research output: Contribution to journalArticleScientificpeer-review

Deep drawing
Paperboards
Materials properties
Formability
Packaging
21 Citations (Scopus)

Fibre deformations induced by different mechanical treatments and their effect on zero-span strength

Zeng, X., Retulainen, E., Heinemann, S. & Fu, S., 2012, In : Nordic Pulp and Paper Research Journal. 27, 2, p. 335-342 7 p.

Research output: Contribution to journalArticleScientificpeer-review

strength (mechanics)
tensile strength
Fibers
valleys
kraft pulp
1 Citation (Scopus)

Improving the wet web strength and runnability

Retulainen, E., Salminen, K., Oksanen, A., Lindqvist, H. & Sundberg, A., 2012, In : Appita Journal. 65, 3, p. 255 - 261 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Adhesion
Chemical contamination
Papermaking
Fibers
Chemical properties

Non-charge polysaccharides: Effects on runnability of wet web and efficiency of fibre material

Oksanen, A., Retulainen, E., Kataja-aho, J., Somerkallio, M., Xu, C. & Brumer, H., 2012, In : International Paperworld IPW. 6, p. 51-55 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Sodium borate
Polysaccharides
Fibers
Aldehydes
Pulse amplitude modulation
10 Citations (Scopus)

The effect of fibre properties, fines content and surfactant addition on dewatering, wet and dry web properties

Lindqvist, H., Salminen, K., Kataja-aho, J., Retulainen, E., Fardim, P. & Sundberg, A., 2012, In : Nordic Pulp and Paper Research Journal. 27, 1, p. 104-111 8 p.

Research output: Contribution to journalArticleScientificpeer-review

dewatering
Dewatering
Surface-Active Agents
surfactants
refining
1 Citation (Scopus)

The effects of TMP and filler stratifying on wet web runnability and end product quality of fine paper

Oksanen, A., Salminen, K., Kouko, J. & Retulainen, E., 2012, In : Nordic Pulp and Paper Research Journal. 27, 1, p. 130-136 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Thymidine Monophosphate
filling materials
product quality
Fillers
mechanical property
2011
4 Citations (Scopus)

Improving wet web runnability and paper quality by an uncharged polysaccharide

Oksanen, A., Rantanen, T., Retulainen, E., Salminen, K. & Brumer, H., 2011, In : Journal of Biobased Materials and Bioenergy. 5, 2, p. 187-191 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Polysaccharides
Pulp
Drying
Fibers
Chemical pulp
2010

Kiina sellu- ja paperitekniikan tutkimuksessa seurailijasta eturintamaan

Retulainen, E., 2010, In : Paperi ja puu. 92, 8, p. 26

Research output: Contribution to journalArticleProfessional

2009
8 Citations (Scopus)

Effect of electrolytes, pH and surface tension on dry and wet web properties

Lindqvist, H., Salminen, K., Kataja-aho, J., Sundberg, A., Holmbom, B. & Retulainen, E., 2009, In : Journal of Pulp and Paper Science. 35, 3-4, p. 148-154 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Electrolytes
Surface tension
Air permeability
Tensile strength
Nonionic surfactants
2007
38 Citations (Scopus)

Effect of chemical pulp fines on filler retention and paper properties

Lin, T., Yin, X., Retulainen, E. & Nazhad, M., 2007, In : Appita Journal. 60, 6, p. 469-473

Research output: Contribution to journalArticleScientificpeer-review

Chemical pulp
Fillers
Drainage
Pulp
Optical properties
2006
5 Citations (Scopus)

Biodegradable barrier coating on paperboard: Effects on biodegradation, recycling and incineration

Sridach, W., Retulainen, E., Nazhad, M. M., Kuusipalo, J. & Parkpian, P., 2006, In : Paperi ja puu. 88, 2, p. 115-120 6 p.

Research output: Contribution to journalArticleScientificpeer-review

paperboard
biodegradability
Incineration
Paperboards
Biodegradation