If you have the intention of creating your own color, you will have to choose criteria adapted to the realization of the desired shade after defining the color that you need (see part 3), starting from selecting primary colors that will be used to produce it. 4.1. Choice of primary colors In practice, TCN can…

TCN at the Mido Eyewear Show in Milan from April 30th to May 2nd 2022! This essential event of the eyewear industry allowed our team to exchange views with our customers and prospects on the polishing and coloration of their spectacle frames and/or organic lenses. We wanted to thank our loyal customers, who told us…

In order to define a color, it is necessary to determine it according to a reference frame as the Pantone color chart for instance, and measure the result. You often need specific shades that are not part of TCN’s standard shades of coloration ranges: CRX, GTC, GTD, TACC, PCL4… This device allows you to check…

Colors can be classified in 3 categories according to their composition: primary, secondary and tertiary colors. The primary colors group serves to create all of the other colors, through combinations made between the different categories. This combination principle allows TCN to make numerous coloring products adapted to specific plastics. Here is this principle in detail:…

By way of introduction, we will remind you of a few basic notions of physics. Then, during the following weeks, we will deal with the combination principle and the definition of color. You will also discover how to create a color. And finally, we will share with you our tips to correct a color. It…

TCN (Techniques Chimiques Nouvelles) has chosen Grand Paris Sud to establish its new premises! Since January 2022, TCN, a French manufacturer of colouring and polishing products for plastic parts, has taken over its brand new headquarters in the territory, at 20, rue des Carriers Italiens, in Grigny. A further illustration of the attractiveness of Grand…

Since 1963, TCN, the French manufacturer of coloring preparation and polishing products is located in Malakoff, near Paris. From January 2022, TCN will move in its new head office, just out of the ground, in Grigny South of Paris. But why? TCN’s constant growth means that we need to: . double our production capacities and…

For the third year, TCN will exhibit at Formnext Frankfurt. We will be pleased to welcome you on booth Hall 12.1 B67. And…to celebrate the return to face-to-face meetings, we invite you to bring a test part to have it dyed right in front of your eyes!

TCN will be pleased to welcome you on booth H05 during 3D Print Paris! Moreover, Jean-Yves Morosolli, our Head of Strategy and R&D will be speaker in the program of the workshops. https://www.3dprint-exhibition-paris.com/fr/session/3e9843a0-e4ee-eb11-b563-a085fc3e7f45 During this workshop, we will show you how to dye your 3D print parts whatever the printing technology you are using!

CASE STUDY
Saint Gobain

THE COOPERATION

Saint-Gobain develops, produces and distributes materials and solutions designed for the well-being and the future of everyone.

Among the many sites in the group, TCN
worked for an innovative project with Saint- Gobain Sully and the Business Unit High Technologies specialized, among other things, in polymers.

TCN met with Julien Bretin, buyer at Saint- Gobain to collect his testimonial about this cooperation.

“Following different tests, several processes have not been successful. It was finally with the TCN dye that we managed to control the colouring process.”

THE NEED OF SAINT-GOBAIN

With regard to the colouring of organic glasses, Julien Bretin explains: “We wanted to stand out and offer a feature that allows gradually to master the intensity of light through the PMMA.
No existing solution on the market responded to the issue of our binding specification”.

„There are already dyes that exist on the market, but they are not stable over time.“

THE TCN SOLUTION

“TCN liquid dyes allow to color polymers by keeping their transparency and perfectly controlling the opacity degree.
TCN’s expertise makes it possible to industrialize such a process while respecting a requirement for specifications.

We have demonstrated through internal ageing tests (about 2000 hours), the efficiency in obtaining a stable and resistant UV product over time,” says Julien Bretin.

THE BENEFIT

“ There is a real benefit for the end user’s comfort. Indeed, this transparent product allows light to pass, while attenuating it in some configuration .”

« We would like to offer this feature to other existing programs.»

Julien Bretin, Saint Gobain Sully

Illustration & Design by Helena Pallarés
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