Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

AIJU improves the painting of flexible polyolefins by Low Pressure Plasma

31.05.2010
Polyolefin painting and decoration is a very difficult process mainly due to the surface’s energy differences between the raw material and paintings and solvents. AIJU has optimized the polyolefins surface by means of Low Pressures plasma treatment, thus notably improving the adhesion of decorative elements.

Nowadays, plastic materials are the most used raw material in the toy sector, because of its good adaptation to any designs, physic-chemical characteristics, easy processing and low cost. Elastomeric polyolefins, and especially elastomeric polyethylene (PE), give excellent mechanical stiffness properties and very low hardness. Due to these particular properties, these materials are appropriate for the toy and childcare articles manufacturing.

One of the most relevant difficulties for its application in some sectors is the decorating and painting issues of pieces made up of PE. In the polyolefins painting, for example, its surface energy is noticeably lower to wet the surface and remain unchangeable on it during the product’s useful life. The surface treatment tries to adequate the substrates in a way that allow them to be used for painting, metallization, printing or the substrate adhesion. In the specific case of painting, this process is done by increasing the energy of the material for it to be higher than the energy of the painting (or the blending with solvents, whose surface energy must be similar).

Suny Martínez, the project coordinator states: “the modification of the polymers surface by means of low pressure plasma treatment presents several advantages against others mechanical or chemical surface treatments, as it does not give heat, it is quick and environmental non-aggressive and it allows the modification of the complex geometry of the piceces, as they are introduced in the reaction chamber where the treatment is made in an homogeneous and controlled way. That is why the plasma treatment acceptation has increased in industrial applications”.

The low pressure treatment efficiency depends on the different experimental parameters, like the time of treatment, the plasma generation power and the partial pressure of the plasma generator gas, among others. The study carried out by AIJU has proved how the elastomeric PE painting properties have deeply improved by means of low pressure plasma surface treatment, in few seconds of treatment.

Some of the results obtained were presented in the 16th International Symposium on Plasma Chemistry in Taormina (Italy).

About AIJU:
The Toy Research Institute (AIJU) is a non-profit organization located in Ibi, the Spanish geographic centre for toys manufacturing. Its aim is to transfer and allow toy manufacturers the access to the knowledge of new technologies in order to improve their competitivity, while offering technological and financial assessment and supporting the professional development of people involved in the sector.

The 75 professionals on the staff carry out with their labour in the different areas AIJU is made up of, and this organization is provided with the required infrastructure to manage the different activities it undertakes.

AIJU is made up of 580 partners belonging, highly, to Valencian industry. From the total number of partners, 40% are toy manufacturers, 42% belong to the auxiliary industry and the rest belong to other sectors.

The department intended to carry out these tasks is the Product Development – Laboratory. Within this department, one of the most interesting innovation fields is rapid prototyping. AIJU has been working on the research of SLS Equipment for 10 years now, studying its feasibility of use in the manufacturing of functional prototypes and mould prototypes with the objective of reaching final material sets.

AIJU is an active member of the Rapid Manufacturing European Platform and the Spanish mirror led by ASERM, the Spanish Rapid Manufacturing Association. It is also member of EuMAT and Manufuture. AIJU is member of the “Materials” group promoted by REDIT between the RDT Centers of IMPIVA’s Network.

In the standard field, the entity is working on the potential feasibility of the proposed rules as well as new safety criteria for toys, with participation in several proficiency testing schemes both on a National and European Level. Thus, it is participating in the development of new standards concerning organic additives in materials for toys in the European Committee of Normalization (CEN).

For further information, please contact:
Sandra Segura Domingo/ Asunción Martínez García
AIJU
Ingeniería de Producto y Ensayos
Avda. de la Industria, 23
03440 IBI (Alicante) España
Teléfono: +34 965554475
Fax: +34 965554490
e-mail: proyectos@aiju.info

Pepi Galvañ | AIJU
Further information:
http://www.aiju.info

More articles from Process Engineering:

nachricht No compromises: Combining the benefits of 3D printing and casting
23.03.2018 | Fraunhofer-Institut für Produktionstechnik und Automatisierung IPA

nachricht Intelligent wheelchairs, predictive prostheses
20.12.2017 | Fraunhofer-Institut für Produktionstechnik und Automatisierung IPA

All articles from Process Engineering >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Why we need erasable MRI scans

New technology could allow an MRI contrast agent to 'blink off,' helping doctors diagnose disease

Magnetic resonance imaging, or MRI, is a widely used medical tool for taking pictures of the insides of our body. One way to make MRI scans easier to read is...

Im Focus: BAM@Hannover Messe: innovative 3D printing method for space flight

At the Hannover Messe 2018, the Bundesanstalt für Materialforschung und-prüfung (BAM) will show how, in the future, astronauts could produce their own tools or spare parts in zero gravity using 3D printing. This will reduce, weight and transport costs for space missions. Visitors can experience the innovative additive manufacturing process live at the fair.

Powder-based additive manufacturing in zero gravity is the name of the project in which a component is produced by applying metallic powder layers and then...

Im Focus: Molecules Brilliantly Illuminated

Physicists at the Laboratory for Attosecond Physics, which is jointly run by Ludwig-Maximilians-Universität and the Max Planck Institute of Quantum Optics, have developed a high-power laser system that generates ultrashort pulses of light covering a large share of the mid-infrared spectrum. The researchers envisage a wide range of applications for the technology – in the early diagnosis of cancer, for instance.

Molecules are the building blocks of life. Like all other organisms, we are made of them. They control our biorhythm, and they can also reflect our state of...

Im Focus: Spider silk key to new bone-fixing composite

University of Connecticut researchers have created a biodegradable composite made of silk fibers that can be used to repair broken load-bearing bones without the complications sometimes presented by other materials.

Repairing major load-bearing bones such as those in the leg can be a long and uncomfortable process.

Im Focus: Writing and deleting magnets with lasers

Study published in the journal ACS Applied Materials & Interfaces is the outcome of an international effort that included teams from Dresden and Berlin in Germany, and the US.

Scientists at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) together with colleagues from the Helmholtz-Zentrum Berlin (HZB) and the University of Virginia...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

VideoLinks
Industry & Economy
Event News

Invitation to the upcoming "Current Topics in Bioinformatics: Big Data in Genomics and Medicine"

13.04.2018 | Event News

Unique scope of UV LED technologies and applications presented in Berlin: ICULTA-2018

12.04.2018 | Event News

IWOLIA: A conference bringing together German Industrie 4.0 and French Industrie du Futur

09.04.2018 | Event News

 
Latest News

Why we need erasable MRI scans

26.04.2018 | Medical Engineering

Balancing nuclear and renewable energy

26.04.2018 | Power and Electrical Engineering

Researchers 3-D print electronics and cells directly on skin

26.04.2018 | Information Technology

VideoLinks
Science & Research
Overview of more VideoLinks >>>