Biocide dosing can generate chemical variations in papermaking. Chemical variations can also originate from breaks and poor management of the broke. This cyclicity, where chemical variations cause breaks and breaks cause chemical variations, should b...
It is a popular belief that thermal modification reduces water absorption of wood and thus prevents wood decay. However an extensive study at VTT shows that this is not always the case. During experiments it was noted that even after thermal modifica...
An interactive package concept was developed and demonstrated for a beverage company. The six-pack beverage package was specified for a rock festival event. The user centric design was used in the development in order to provide consumers the most va...
PhD Thesis of Janne Keränen concentrates on paper drying: first on the drying rate in a cylinder covered with fabric, enhanced using hot air impingement through the fabric, and its potential effects on paper quality, and second, on the heat transfer...
ForestTech-website was launched in January 2011. It has gained a strong group of followers from the value chains of media and packaging. In 2012 we will further develop the ForestTech-service to better meet the needs of our registered members. WE WI...
The international event, Nordic Wood Biorefinery Conference (NWBC), is the leading meeting forum for wood biorefinery professionals. The next event will be held in Helsinki in October, 2012. This conference is jointly organised by VTT and Innventia....
Seniori-Sapuska project aims to define concepts of enjoyable foods and meals in easy-to-use packages with convenient portion size for senior elderly people of today as well as future seniors. The food concepts will be developed both for catering and...
A paper physics study showed that a high-speed camera technique can be used to measure true deformations in wet paper strips during straining. In the fast tensile tests the strain rates were close to ones in paper-making processes. The results showed...
Web breaks ruin production efficiency. Most web breaks occur at the machine sections where the web is still wet. Improvements may be difficult, because the estimation of the properties of wet web under dynamic conditions is challenging. VTT has devel...
Transport fuels can be produced from forest waste with the help of gasification technology. Renewable diesel, petrol or, for instance, synthetic natural gas, can be effectively produced from forestry industry by-products and forest chips....
VTT's Open Web Lab (Owela) supports open innovation process. Owela is an innovative Web-based research environment that extends the role of users from passive research objects by taking them as co-designers that discuss online with technology develop...
Use of nano fibrillated cellulose (NFC) was studied to maintain critical paper properties, especially wet and dry strength of high filler-content SC paper. NFC is needed, since there are some challenges, like strength loss, when filler content increa...
Printed electronics is a rapidly developing market with high estimated potential. Low cost flexible applications with high volume are needed. Replacement of oil-based plastic substrates is possible. The possibility to adjust relevant surface and stru...
We invite you to take part in two webinars, where the findings of the VTT study on the future prospects of printing industry value chain in Europe and 3 different roadmaps to renew and secure the printing business will be presented....
VTT met latin American customers and cooperation partners at ABTCP 2011 event in São Paulo, Brazil from 3 to 5 of October. At VTT’s stand we presented demos of new and exciting bio-packaging solutions and discussed pulp & paper biorefinery soluti...
In November 2011 VTT webcasted two webinars on the future prospects of printing industry value chain in Europe. It included three different roadmaps to renew and secure the printing business. You can watch the recorded webinars via the following l...
VTT offers its papermaking research environment for small and medium sized companies (SMEs) to develop papermaking processes potentially together with research institutes and large-sized enterprises (TESTAA-concept). Next trial week will be at week 0...
Foam coating in paper industry has not yet gained solid ground, though it is a well-known technique in the textile, non-woven industry and in plastic film production. In paper and packaging applications foam coating can be used in e.g. creating new f...
Using foam instead of water as the material carrier phase is an alternative way to build up fibrous structures. In foam forming, mixture of stock and foam is transformed through headbox to the wire, where the foam is removed using vacuum....
Articles from NIP DF 2011 are available....
Consolidation and dewatering are central mechanisms of web forming. We have developed laboratory device called VIHTORI to study these mechanisms and even largest fine particles can be observed. See some of the results from the following presentation,...
SUNPAP project is moving into the demonstration phase. VTT coordinates this large EU-scale project aiming for scaling up nano fibrillated cellulose based novel applications in paper and board value chain. The research done in cooperation with several...
New functionalities and thinner, stronger structures are developed as part of the EUR 9.8 million programme on new nanomaterial-based applications. The project was designed to create new fibre-based and recyclable paper and packaging products which w...
Download our presentation material shown at IMPC2011 - CYCLIC IMPACTING OF WOOD CREATES LOCALIZED FATIGUE- PROLONGED WOOD STORAGE CAUSES MAINLY BRIGHTNESS PROBLEMS FOR TMP- MEASURED LOAD PROFILES IN HIGH CONSISTENCY FIRST STAGE TMP REFINER- ENERGY-Q...
Welcome to meet VTT experts at the booth 216/240, Hallway 4. Our specialists will present demos of new and exciting bio-packaging solutions and tell you more about VTT and our pulp & paper biorefinery solutions. ABTCP 2011 event will be held in T...
Welcome to VTT´s stand 3F15. Come and get to know our wide range of services. Boost your business with printed intelligence and take care of the future with sustainable packaging....
Some short videos can be accessed through http://www.youtube.com/user/VTTFinland Enjoy watching them!...
VTT and Gebrüder Lödige Maschinenbau GmbH have together designed a new type of small bioreactor for use in high consistency biomass treatments in Otaniemi Biotechnology pilot hall. It provides the possibility to process biomass in very high consisten...
Just in case, if some of our earlier publications were missed by you or you would like to find them more easily, we made a listing of them here. If your own library service does not provide the article, please contact authors to find out more. ...
Biostruct project has some interesting advances made in the last 8 months. Lenzing and VTT have continuously improved the flow properties and dispersability of the fibres in various matrix resins. This progress was mainly achieved by improving millin...
Read more about our bench-scale high consistency bioreactor....
BIOCORE, a FP7 European project which begun in March 2010, is a 4 year program that aims to demonstrate the industrial feasibility of a biorefinery concept. The BIOCORE concept describes the use of several types of lignocellulosic biomass (cereal by-...
Barrier properties of biobased films can be retained even in high humidity conditions. Crosslinking was found to be an efficient tool for decreasing moisture sensitivity of biobased nanocomposite films. Moisture sensitivity decreased as a result of c...
Sophisticated, effective and reliable methods are needed to systematically investigate interfacial phenomenon present e.g. in thin films, foams, emulsions, dispersions and aerogels. VTT has acquired a quartz crystal microbalance with dissipation moni...
The growth of digital media and the resulting decline in print runs, together with rising raw material costs and increased pressure from Asian competitors have put European printers in a tight spot. A VTT study on the current state of the industry an...
A new printed media product with substantial business potential was developed, demonstrated and tested by VTT and Vectia in a project funded by the Finnish Forestcluster Ltd. The product is called "Community publishing" meaning that it is a printed p...
VTT is working with printed power sources, which are based on biological, enzymatic catalysts and renewable, harmless,organic fuels like glucose. The aim is to utilise these low-cost, disposable power sources e.g. in various medical and cosmetic appl...
Creating Functionality on Paper Using Novel Roll toRoll Surface Treatment Equipment is shown using case studies. During case studies new coating method was developed and implemented successfully....
A closer look into more efficient use of coating colours shows that in many cases the efficiency of the used coating colours can be improved by systematic laboratory studies. As a result, a significant cut in the amount of coatingcolour waste can be...
Interpack 2011, the international packaging trade fair, was held in Düsseldorf, 12th-18th of May. The fair gathered together 2.700 exhibitors including VTT. The main themes in VTT stand were biobased and intelligent packages....
VTT invites companies interested in the use of Augmented Reality (AR) technology in combination with print products and packages to join the FARMES club....
VTT has demonstrated how to add interactivity into printed magazines and packages by using augmented reality -technology. Two examples will be demonstrated at SPCI: a magazine ad making pearl-buying easier, and more tempting, than ever before and a s...
Most of web breaks in paper machines occur for wet web. Not only excessive straining and high tension break the web, but also too low a tension can be fatal. With slack web the aerodynamic forces and excessive adhesion lead to web breaks. Laboratory...
Currently, barrier layers in food packaging materials are produced from plastics based on fossil oil. Although functional, these layers present challenges in terms of environmental sustainability and recyclability. VTT aims to develop biobased barrie...
Paper or board with (bio)active functionalities can help the CPG industry in need for enhanced functionality. In terms of performance, (bio)active paper can help packaged products in two ways. Firstly, it enables the development of completely new typ...
VTT has demonstrated how to make packages and other printed products interactive by using augmented reality -technology. Two examples will be demonstrated at Interpack: a sixpack that sings and a magazine ad making pearl-buying easier, and more tempt...
As the global packaging market is huge, there is a well-defined call for sustainable solutions as packaging materials. Development of green polymeric materials that would not involve the use of toxic or noxious components in the manufacture and could...
Increasing demand for biomass and sustainable development technologies brings a Finnish research center to Sao Paulo. There is a growing demand on new biomass focused technologies in Brazil as well as globally....
The sidestreams of biomass processing are an underutilised source of raw materials. New enzymes and enzyme cocktails developed for biomass breakdown can improve the valorisation of biomass by-products. Processing of biomass, i.e. wood or agricultural...
On the 1st of March 2011, the Kempe award was given to the research team of Taina Lamminmäki, John Kettle, Pasi Puukko and Patrick Gane (Department of Forest Products Technology, School of Chemical Technolog, Aalto University) concerning the research...
The overall objective of the Social Forest Planning project is to develop and demonstrate a novel system for forest management planning and updating of present plans. Project is completed by the end of 2011....
Process measurement and diagnostics are being increasingly used in papermaking. Measurements and analysis need to be quick and if possible, automatic. The efficiency of paper production process can be significantly increased by focusing on right meas...
IQ Freshlabel project aims at promoting the implementation of novel smart labels (intelligent packaging) through investigation of consumer, retailer and industry interest. Development of novel smart label to monitor temperature abuse of frozen foods...
FUTUPACK–CON: Future food package – Development of new consumer driven food packages...
Messenger Package Project: Integrating Technology, Design and Marketing for Future Package Communication...
New value chains can be created by wood fractionation. Pine logs with three different growth rates were fractionated and pulped. Fractionation of chips was done using so called dense media fractionation method. The mechanical pulping trials revealed...
A more efficient recovery of value components from the wood material and by-products at existing pulping mills provides them with the opportunity to gain additional value from the wood raw material in addition to pulp production....
Dryer capacity can be increased by using preheated fabrics with higher thermal conductivity....
Health, safety and environmental issues of nanomaterials have recently raised many concerns. In this study we evaluated the worker exposures to nanoparticles in air during production of nanocellulose. We also exposed mouse macrophages and human monoc...
Lean development with renewable resources (LEADER). The aim of the LEADER project (2007-2010) was to study the environmental impacts occurring during the life cycle of print products. The scope of the project was focused on printed media products. Th...
VTT Technical Research Centre of Finland has developed an environmentally friendly packaging coating solution. Especially suitable for food and pharmaceutical packaging, the coating offers a new method for manufacturing easily recyclable high barrier...
SUORA research environment is a unique and cost efficient research environment. Planning of the environment has been done together with industry and demands for different kind of research needs can be fulfilled....
We are surrounded by plastics - there is virtually no consumer or industrial product without a plastic component; starting from the latex in paper coatings and ending up at composites in aircrafts and windmills, the penetration of plastics into our l...
Process Chemistry Pilot Plants offer excellent facilities for development and scale-up of new forest based products....
Online and predictive simulation models can make you a forerunner in your business. Modelling and simulation is a present-day way to understand and improve processes to meet increasing efficiency demands and maintain the competitiveness of industry....
Paper as a base material for diagnostics tools that enables low-cost biodegradable solutions with novel design possibilities. VTT has demonstrated a paper-based diagnostic test in which the detection antibodies were inkjet-printed on paper. This tech...
Stickies often contribute to serious runnability and product quality problems at paper machines using recycled fibers. Analysis of web breaks and stickies in a newsprint mill using recovered paper was presented in China, in 4th International Symposiu...
VTT Technical Research Centre of Finland has developed an environmentally friendly packaging coating solution. Especially suitable for food and pharmaceutical packaging, the coating offers a new method for manufacturing easily recyclable high barrier...
Barrier materials from wood biomass can provide sufficient barrier propoerties against vapor, oil and grease....
We created a roll to roll surface treatment concept that can be used to coating and surface treatment of fiber based webs and plastics....
Digital Decoration of Consumer and Industrial Goods...
Direct Write technology (DW) enables completely new solutions for electronic and mechanical elements and their integration....
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INVITATION - KUTSU Welcome to VTT's afternoon seminar 20th of January 2011 - Tervetuloa VTT:n iltapäiväkahviseminaariin 20.1.2011 New life of print - Printin uusi elämä New business from virtual reality in addition to traditional publishingVirtuaa...
Lignins are biopolymers that may be converted into functional materials by enzymatic treatments by oxidizing the phenolic groups into radicals. These radicals are extremely reactive and may couple with other reactant radicals....
Lignin and related aromatic compounds provide an important source of raw material that may be converted into value-added products by combining chemical and enzymatic modification methods. The aim of the present study was to reveal the potential of la...
LGF pulping process uses phosphinic acid as a catalyst in delignification of lignocellulosic material carried out in selected organic solvent. The process can be used for production of lignin rich, strong, reactive fibres with high yield or for fract...
Increased need to exploit the biomass raw materials completely has raised the need to develop valorisation processes for new types of raw materials, typically side-stream fractions from forestry, agro and food industries. Lignin residues formed in no...
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Fiber modification enables engineering of fiber properties towards targeted industrial need in various fiber-based products....
VTT has long experience in developing biocomposites for several applicationareas. Biocomposites are materials consisting of bioplastics, natural fibres and/or fillers and additives, which are also preferred to be biomass-based....
CoatingWe have extensive knowledge of traditional pigment coating, novel surface treatment methods and modelling of various phenomena taking place during coating. We also have strong competence in a wide range of analyzing tools for characterization...
Fiber Line meets both current and future research needs. Cooking and bleaching equipment for demanding research applications....
More than 80 people from industry and academia participated in VTT Forest Sector’s science evening on the 5th of October in Otaniemi, Espoo. The topic this year was ‘from Forest to Food’....
Bioactive features may provide new markets and added value products, for example, to pulp and paper, packaging, diagnostic and construction industry. VTT is actively building up projects around bioactive functionality of fibre products. The research...
Printable RF readable electronic inks (Nicanti): Inks with electrical properties are printed onto the product surface. Codes are authenticated using with a proprietary reader that can also verify authenticity through serialization. Facilitates produc...
Approaches to the scale-up of Ultrasonic processing made by VTT. Research has been carried out since 1987. Some topic studied during this time has been from preventing sensor fouling and cleaning of filter surfaces and heat exchangers to designing p...
Drying has been studied at VTT from the 1940's. Over the years several topics of drying has been covered theoretically and experimentally, as a good example of such is recently commercialized technology Impingement drying. See publications from VTT t...
SHORT CIRCULATION DEVICE FOR PROCESS CHEMISTRY RESEARCH - KISU...
Vacuum-assisted sheet forming device is called Juupeli. We constucted the device, because deeper understanding of sheet structure development during forming was needed. With the device we can study the effect of vacuum on the filtration....
The multiphase flows team at VTT has a long background for experimental studies of complicated industrial flows. Our strengths include top-level expertise in pilot-scale research platforms as well as supporting modelling and simulation. In addition t...
Ultrasound moisturizing device attached to C-IMPACT tensile tester gives you a possibility to study effects of appliqued moisture on the base paper or board tensile behavior. Information can be utilized when deeper understanding of the interaction be...
1. Open QR-code reader. 2. Read the code. 3. Browse this site with your mobile device. 4. Enjoy!...
In a VTT’s project different types of media concepts were studied. Hybrid school books were found out to be an efficient solution for primary schools. Hybrid book-concept opens up new opportunities both for publishers and material suppliers....
This study aimed at a user centric design of a hybrid book concept for elementary schools. The user groups of interest were 6th grade pupils and their teachers, and the concept was tested for language learning materials. It is quite common that the p...