journal: Nordic Pulp & Paper Research Journal

Impact Factor: 1.2

Published since January 20, 1986

Nordic Pulp & Paper Research Journal

The international research journal on sustainable utilization of forest bioresources

ISSN: 2000-0669

Editor-in-chief: Gunnar Henriksson

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About this journal

Objective

Nordic Pulp & Paper Research Journal (NPPRJ) is a peer-reviewed, international scientific journal covering to-date science and technology research in the areas of wood-based biomass:

Pulp and paper: products and processes

Wood constituents: characterization and nanotechnologies

Bio-refining, recovery and energy issues

Utilization of side-streams from pulping processes

Novel fibre-based, sustainable and smart materials.

The editors and the publisher are committed to high quality standards and rapid handling of the peer review and publication processes.

Topics

Cutting-edge topics such as, but not limited to, the following:

Biorefining, energy issues

Wood fibre characterization and nanotechnology

Side-streams and new products from wood pulping processes

Mechanical pulping

Chemical pulping, recovery and bleaching

Paper technology

Paper chemistry and physics

Coating

Paper-ink-interactions

Recycling
Environmental issues

Article formats

Research articles, reviews

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Your benefits

State-of-the art knowledge in the broad field of wood-based biomass science and technology

Strong interdisciplinary approach

Renowned international editorial and scientific advisory boards

Publication online and print incl. online first mode

Nordic Pulp & Paper Research Journal is published in cooperation with Royal Institute of Technology (KTH), Stockholm, Sweden and run as a project at KTH with Chalmers University of Technology, Karlstad University, Mid Sweden University, Swedish University of Agricultural Sciences, Norwegian University of Science and Technology, Aalto University, Åbo Akademi University, Luleå University of Technology and University of Oulu.

History

Nordic Pulp & Paper Research Journal was founded by the Swedish Association of Pulp and Paper Engineers (SPCI) in 1986. Since 2013, the journal is owned by Mid Sweden University and run as a project by Mid Sweden University, Chalmers University of Technology, Karlstad University, Royal Institute of Technology, Swedish University of Agricultural Sciences, Norwegian University of Science and Technology, Aalto University, Åbo Akademi University, Luleå University of Technology and University of Oulu.

Other publications in the field

Journals

Holzforschung

Journal of Polymer Engineering

Nanotechnology Reviews

Reviews in Chemical Engineering

Science and Engineering of Composite Materials

Books and serials

Advanced Composites

Pulp and Paper Chemistry and Technology

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Ahead of Print / Just Accepted

Ahead of Print / Just Accepted

Volume 39 (2024)

Issue 1

Volume 38 (2023)

Volume 37 (2022)

Volume 36 (2021)

Volume 35 (2020)

Volume 34 (2019)

Volume 33 (2018)

Volume 32 (2017)

Volume 31 (2016)

Volume 30 (2015)

Volume 29 (2014)

Volume 28 (2013)

Volume 27 (2012)

Volume 26 (2011)

Volume 25 (2010)

Volume 24 (2009)

Volume 23 (2008)

Volume 22 (2007)

Volume 21 (2006)

Volume 20 (2005)

Volume 19 (2004)

Volume 18 (2003)

Volume 17 (2002)

Volume 16 (2001)

Volume 15 (2000)

Volume 14 (1999)

Volume 13 (1998)

Volume 12 (1997)

Volume 11 (1996)

Volume 10 (1995)

Volume 9 (1994)

Volume 8 (1993)

Volume 7 (1992)

Volume 6 (1991)

Volume 5 (1990)

Volume 4 (1989)

Volume 3 (1988)

Volume 2 (1987)

Volume 1 (1986)

Journal Impact Factor	1.2	2022, Journal Citation Reports (Clarivate, 2023)
5-year Journal Impact Factor	1.2	2022, Journal Citation Reports (Clarivate, 2023)
Journal Citation Indicator	0.45	2022, Journal Citation Reports (Clarivate, 2023)
CiteScore	2.2	2022, Scopus (Elsevier B.V., 2023)
SCImago Journal Rank	0.302	2022, SJR (Scimago Lab, 2023; Data Source: Scopus)
Source Normalized Impact per Paper	0.747	2022, CWTS Journal Indicators (CWTS B.V., 2023; Data Source: Scopus)

More information about journal rankings

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Submission

You can easily submit your manuscript online. Simply go to https://mc.manuscriptcentral.com/npprj and you will be guided through the whole peer reviewing and submission process.

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Future easy-to-use online submission, peer review, and publication system
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Manuscripts must be written in clear and concise English
Before submitting your article please have a look at our Ethical Guidelines and Copyright Transfer Agreement
Our Repository Policy allows you to distribute 30 PDF copies of your published article to colleagues (the PDF has to include the information that it is an author's copy). Please also feel free to distribute the link to the online abstract
If you have any general questions please visit our FAQ for authors

We look forward to receiving your manuscript!

Hybrid open access

In this journal, authors have the option to publish their article under an open access license. Open Access allows you as an author to retain copyright and share your findings with colleagues and interested parties worldwide without any restraints.
Please note that authors from institutions with which we have a transformative agreement can publish open access without paying an article processing charge (APC). More information on the eligible institutions and articles can be found under the "Funding and Support" tab here.

Editorial

Editor-in-Chief

Gunnar Henriksson, KTH Royal Institute of Technology, Stockholm, Sweden

Editors

Josefin Illergård, KTH Royal Institute of Technology, Stockholm, Sweden

Anastasia Riazanova, KTH Royal Institute of Technology, Stockholm, Sweden

Editorial Board

Geoffrey Daniel, Swedish University of Agricultural Sciences, Uppsala, Sweden

Per Engstrand, Mid Sweden University, Sundsvall, Sweden

Merima Hasani, Chalmers University of Technology, Göteborg, Sweden

Magnus Lestelius, Karlstad University, Karlstad, Sweden

Tom Lindström, KTH Royal Institute of Technology, Stockholm, Sweden

Kristiina Oksman, Luleå University of Technology, Luleå, Sweden and University of Oulu, Oulu, Finland

Monika Österberg, Aalto University, Espoo, Finland

Anna Sundberg, Åbo Akademi University, Turku/Åbo, Finland

Kristin Syverud, RISE-PFI and Norwegian University of Science and Technology, Trondheim, Norway

Hans Theliander, Chalmers University of Technology, Göteborg, Sweden

Lars Wågberg, KTH Royal Institute of Technology, Stockholm, Sweden

International Scientific Advisory Board

Angelés Blanco, University Complutense of Madrid, Madrid, Spain

Emily D. Cranston, University of British Columbia, Vancouver, Canada

Patrick Gane, Aalto University (Professor emeritus), Espoo, Finland

Gil Garnier, Monash University, Melbourne, Australia

Øyvind Weiby Gregersen, Norwegian University of Science and Technology, Trondheim, Norway

Akira Isogai, University of Tokyo, Tokyo, Japan

Monika Österberg, Aalto University, Espoo, Finland

Herbert Sixta, Aalto University (Professor emeritus), Espoo, Finland

Per Stenius, Aalto University (Professor emeritus), Espoo, Finland

Hans Theliander, Chalmers University of Technology, Gothenburg, Sweden

Lars Wågberg, KTH Royal Institute of Technology, Stockholm, Sweden

Editorial Office
Gunda Stöber
De Gruyter
Genthiner Str. 13
10785 Berlin, Germany
Tel. ++49-30-26005-279
E-mail: npprj.editorial@degruyter.com

Volume 39 Issue 1

March 2024

Publicly Available February 28, 2024

Frontmatter

Page range: i-iii

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Biorefining

December 13, 2023

Organic acid fractionation of hardwoods planted in social forestry

Sharmin Islam, Razia Sultana Popy, M. Nur Alam Likhon, M. Mostafizur Rahman, M. Sarwar Jahan

Page range: 1-9

Abstract

Trema orientalis and Trewia nudiflora are the fastest rotation trees (3–4 years’ rotation) in Bangladesh, and experimentally planted in social forestry in Gazipur district. Biorefinery is the most cited topic in research recent era in order to established circular bioeconomy. In established a biorefinery initiative, both species were fractionated into pulp, lignin and hemicellulose by formic acid (FA) treatment at atmospheric conditions. After alkaline peroxide bleaching of FA treated pulp, the yield was 47.0 % and 41.0 % with α-cellulose of 82.39 % and 81.61 %, and residual pentosan content of 9.26 % and 11.13 % for T. orientalis and T. nudiflora , respectively. The brightness of the pulps was 84.5 % and 85.0 %. Cold alkali extraction of the bleached pulp increased α-cellulose to 92.36 % and 91.29 % which was suitable for cellulose derivatives. Lignin was separated from the spent liquor by adding water. The FA lignin from hardwood replaced 20 % phenol in phenol-formaldehyde resin preparation without sacrifice of shear strength. The lignin separated FA liquor contains mainly pentose sugars, which was subsequently converted to furfural with a yield of 41.39 % and 41.72 % at 170 °C using 0.1 % H 2 SO 4 catalyst from T. orientalis and T. nudiflora , respectively.

Paper Technology

November 17, 2023

Effect of fine fibers on secondary fibers and recycled paper

Ya Zhang, Yuxin Liu, Jizhen Huang, Kai Li, Liangliang An, Jianquan Hu, Wanruo Lei

Page range: 11-20

Abstract

Recycled paper has become increasingly used as a raw material in the paper industry. However, hornification limits its application. Herein, the effect of recycling on the mechanical properties and microstructure of khasi pine pulp was systematically studied. The mechanical properties deteriorated and water retention value decreased after recycling. X-ray diffraction and Fourier-transform infrared spectroscopy revealed that cellulose crystallinity increased and partial cocrystallization occurred on cellulose microfibrils. Through the analysis of the morphology of secondary fibers by FQA, the loss of fine fibers caused by each reuse was found. Using the filtration method to prepare the recycled paper reduced the loss of fine fibers and improved the mechanical properties, with the tensile strength of a sample prepared using a sand core filter unit for five cycles (8.37 MPa) being like that of a sample prepared using a paper machine after one cycle. The investigation of the internal structure of the paper showed that the retained fine fibers were bonded between the long fibers, promoting the bonding between the fibers. Fine fibers improve the curling and twisting of fibers to some extent, especially in the first three recycling cycles. The hornification phenomenon of recycled paper was studied from the viewpoint of the fiber components, which is important to promote the development and application prospect of recycled paper.

Paper Chemistry

Open Access November 22, 2023

Increased recyclability of wet strengthened liquid packaging board, through synergetic effects of combining CMC and PAE – a case study in full scale

Sara Christenson, Björn Sjöstrand

Page range: 21-28

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Abstract

There is an ever-increasing demand for renewable, recyclable and biodegradable packaging solutions, from consumers, producers of goods, and producers of packaging materials. Closing the material loop and increasing recyclability of fiber-based package materials is one of the keys to move forward towards a more sustainable future. While the recyclability rates of fiber-based packaging are high, packaging boards with high wet-strength can pose problems due to problems with repulping. This manuscript investigated the possibilities to reduce the use of polyamide-epichlorohydrin resins (PAE) by supporting the process system with carboxy-methylated cellulose (CMC) through machine trials in mill scale production. The focus of the investigation was on the wet-strength of the board product and the repulpability value. The results given from the full-scale trial were positive, indicating a potential in using CMC while reducing the PAE addition. The results showed that wet tear strength and wet tensile strength of the board were maintained, while higher repulpability rates were given, encouraging better recyclability of the board material. This will be beneficial to the environment both with lower use of non-renewable chemicals and possibilities for higher degrees of recycling of the board products.

Packaging

December 25, 2023

Printable active packaging film with Pelargonium graveolens oil

Emine Arman Kandirmaz, Arif Ozcan

Page range: 29-38

Abstract

Due to the increasing demands of consumers from the food packaging, it enabled the improve of active packaging practices. Antimicrobial and antifungal coatings or films are an active packaging application. In such packaging materials, natural or synthetic antimicrobial material is added to the film or coating to help the packaging protect food. The use of biofilms produced from biopolymers in food packaging is more suitable than polymers with many damages such as PET, PE. Film production of many biopolymers such as cellulose derivatives, chitosan, PVA, starch PLA can be realized. Pelargonium graveolens plant is a natural source with strong antifungal and antimicrobial properties. For the reasons explained above, the experimental study aims to manufacture printable film with antimicrobial properties which is used in active packaging, using cellulose butyrate acetate and Pelargonium graveolens essential oil. For this purpose, cellulose butyrate acetate bio films, having variative ratios (0.1, 2.5, 5, 10 %) of Pelargonium graveolens oil, were produced with spin coating method. The transparency of prepared five different films were defined by UV–vis. spectroscopy. The antimicrobial properties of the produced films were measured against gram positive and negative bacteria. All produced biofilms were printed. The printability parameters of biofilms, (color, gloss) were determined. Consequently, cellulose butyrate acetate films loaded with Pelargonium graveolens oil were successfully produced. It is concluded that obtained all biofilms are with no color, transparent and printable with oil based inks. It was determined that the quantity Pelargonium graveolens oil raised in the biofilms had a strong inhibitory effect against gram positive and negative bacteria. With these features; produced films are considered to be suitable for active packaging applications.

Chemical Technology/Modifications

November 17, 2023

Water uptake as a fuel for soft actuators from cellulose

Lisa Lopes da Costa, Ana Villares

Page range: 39-51

Abstract

Water plays an important role in the properties of cellulose. In materials design, the water uptake of cellulose has been traditionally seen as a drawback, since water reduces mechanical resistance of paper and cardboard, and at high hydration, cellulose-based products are disintegrated. However, recently, the hydration of cellulose has been considered as an advantage to design water-responsive soft actuators. In Nature, water is the fuel for several plant functions that involve motion, such as the seed release or the plant protection from high temperature and radiation. Inspired by these natural systems, cellulose-based actuators have been designed to display different movements (bending, twisting, curling) in response to water. Biopolymer structuration inducing anisotropy within the system allows the asymmetric expansion of layers, which results in macroscopic movement. This review gives an overview of the soft actuators triggered by the hydration/dehydration processes of cellulose. We present representative examples of water-triggered natural actuators, which have inspired researchers to design anisotropic cellulose-based materials that develop controlled movement in response to water.

Miscellaneous

November 8, 2023

Nanofibers/reduced graphene oxide/polypyrrole for High-performance electrode material

Yunhao Luan, Lingyun Jia, Wenli Liu, Pengtao Liu

Page range: 53-60

Abstract

This paper prepared the composite aerogel by adding graphene oxide (GO) and polypyrrole (PPy) to the cellulose nanofiber suspension. Then GO was reduced to RGO (reduced graphene oxide) with reducing agent, and CNFs/RGO/PPy composite aerogel with excellent conductivity was prepared. Scanning electron microscope (SEM) was adopted to analyze the structure and morphology of CNFs/RGO/PPy aerogel. Cyclic voltammetry (CV), galvanostatic charge-discharge (GCD), and electrochemical impedance spectroscopy (EIS) were employed to analyze its electrochemical properties. The results showed that the best structure and electrochemical effect could be obtained when the ratio of CNFs/RGO/PPy was 6:2:3. At the current density of 0.25 mA cm −2 , CNFs/RGO/PPy composite aerogel had higher electrochemical performance, and the specific capacitance was 330 F g −1 . As an energy storage material, the composite has excellent potential in electrode materials.

December 8, 2023

Chemical properties, crystallinity, and fiber biometry of Jabon (Anthocephalus cadamba) wood for pulp raw material: the effect of age and position

Atmawi Darwis, Tati Karliati, Sutrisno, Eka Mulya Alamsyah, Alfi Rumidatul, Lili Melani, Hyoung Jin Kim, Apri Heri Iswanto, Widya Fatriasari

Page range: 61-71

Abstract

Jabon ( Anthocephalus cadamba ) is a promising plant species with straight, visually pleasing trunks that can be harvested at a young age as a resource for pulp and paper production due to the rapid growth rate possessed. Therefore, this study aims to investigate the chemical composition and fiber biometry of 3, 6, and 9-year-old Jabon wood, determining their suitability as a pulp and paper raw material. Samples were collected from both stem and branch sections and analyzed according to the Tappi standard. Fiber cell maceration was conducted to enable the precise measurement of fiber dimensions and derivatives. The results showed high cellulose, holocellulose, and lignin content in Jabon wood, with low to moderate levels of extractives and ash. Additionally, the crystallinity index (CrI) increased with age, particularly from 3 to 9 years old. The branch of the plant, with Grade II fiber derivative quality, had lower CrI compared to the stem, while the inner stem showed a lesser value than the outer part. In conclusion, 3-year-old Jabon wood is a potential raw material for pulp and paper production.

January 8, 2024

Penetration and spreading of graphene oxide ink in rice paper enabling its unique expressiveness in Chinese paintings

Ximei Liu, Cheng Teng, Jianlin Li

Page range: 73-81

Abstract

In Chinese paintings, the marriage of rice paper and ink is the soul of this art. Ink possesses a highly distinctive “color” expressiveness. By employing ink, various shades of black and diverse color effects can be portrayed, making the image more rich, vibrant, and three-dimensional on a rice paper. However, when used in traditional ink wash painting, the flow and penetration of conventional ink is difficult to control, and its carbon black particles make it a challenge to achieve multiple transparent gradients. Considering the water solubility and two-dimensional nanostructure of graphene oxide (GO), the authors of this paper has developed and proposed the use of water-based GO ink for Chinese ink wash painting, aiming to endow it with new aesthetic forms and unique expressive potentials.

(Deutsch)

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Online ISSN: 2000-0669
Print ISSN: 0283-2631
Type: Journal
Language: English
Publisher: De Gruyter
First published: January 20, 1986
Publication Frequency: 4 Issues per Year
Audience: Wood, biorefining, pulp and paper scientists and engineers; materials scientists; chemical and environmental engineers; chemists, physicists