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06.07.2023  |  3611x
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	 Festive inauguration of the Dryflux facility. The participants (from left to right): Jay Nowak, CEO Glatt Group, Economics Minister of Thuringia, Wolfgang Tiefensee (SPD) Jeff White, Head of the Surface Solutions business unit within the Electronics bus

Glatt joins forces with Merck for cosmetic pigment production

A completely new type of production plant for special effect pigments was officially commissioned at the Glatt Technology Centre.
On 30 June 2023, a completely new type of production plant for special effect pigments was officially commissioned at the Glatt Technology Centre. The Dryflux technology is suitable for numerous powder applications.

Weimar, June 2023

The pigment specialists at Merck and the technology and production experts at Glatt Ingenieurtechnik have worked closely together to produce an innovative range of cosmetic pigments using completely new technology. The Darmstadt-based Merck Group placed the order for the development and construction of a plant based on chemical vapour deposition (CVD) after successful joint trials at Glatt’s highly suitable location in Weimar.

Since September 2022, the patent-pending Ronaflux® pigments have been produced by Glatt in Weimar for the Darmstadt-based science and technology company Merck. Glatt was commissioned by Merck to develop the plant technology and install the complete production facility, which is owned by Merck. Glatt then became operational there, fulfilling its role as a contract manufacturer of Ronaflux® pigments for Merck. Construction of the plant began in 2020 and stands on 74 m2 of floor space, extended over 2.5 floors.

At the official commissioning ceremony of the plant on 30 June 2023, Jeff White, Head of the Surface Solutions business unit within the Electronics business sector of Merck, and Thuringia’s Minister of Economic Affairs Wolfgang Tiefensee were joined by Weimar’s Lord Mayor Peter Kleine, Dr Arnuf Wulff representing the State Development Corporation of Thuringia, and IHK Chief Executive Dr Cornelia Haase-Lerch.

Why Merck produces in Weimar

Merck and Glatt have enjoyed a successful partnership for many years, during which time Glatt has been manufacturing systems for Merck’s Healthcare and Life Science sectors.

Ronaflux® pigments are cosmetic products whose manufacture requires special quality and purity standards. Thanks to investment subsidies from the Thüringische Aufbaubank in recent years, it was possible to create ideal conditions for such processing requirements at Glatt’s Weimar Technology Centre. Glatt was thus able to expand its technological portfolio to include the development and application of high-temperature process technology based on fluid bed and powder synthesis. This meant that the necessary infrastructure was already in place at Glatt or could be expanded quickly and cost-effectively. As a plant and process specialist, Glatt has the corresponding know-how required to set up a production plant for Ronaflux® pigments.

First productive CVD system on this scale

Dr Michael Jacob, Head of Process Technology Food, Feed & Fine Chemicals at Glatt, says: “A CVD on this scale is new and a prototype – there is not another plant like it. And it was developed, designed, built and commissioned in a relatively short time.” Jacob attributes the success of this project in part to the interplay of strengths within Glatt Ingenieurtechnik: “Not only were we able to draw on outstanding R&D resources here, but also the technological synergies from high-temperature process engineering and our many years of expertise in plant engineering. The basic technology was already available through successful R&D activities.” Here, Glatt benefits, among other things, from the results of a joint project of the regional development cluster “Thuringian Particle Design pades”, which was funded by the Federal Ministry of Education and Research.

Jacob continues: “This development would not have been possible without our expertise in pharmaceutical engineering for the planning and realisation of cleanroom projects for GMP production, and also in the cosmetics sector. We are not only plant constructors, but also operators and producers. And we are problem solvers too, with the challenges involved with the commissioning quickly identified and resolved thanks to great team work. The cooperation with Merck was and is characterised by trust, constructive cooperation and partnership.”

Dryflux technology

This technology creates a new class of special effect pigments that have a very colour-intensive and metallic shine. These unique effects are based on thin carbon layers on the pigment surface. The Dryflux technology is flexible and universally applicable to many powdered materials to meet customised customer requirements. A second validation phase for further products is currently underway, in which, among other things, the fluidisation behaviour of new raw materials will be evaluated and supporting parameters, such as pulsation, adjusted to the respective product.

Most important manufacturing steps

First, the pigment powder is vigorously stirred up in the reactor with an inert gas and thereby heated to the required reaction temperature. Next, the formation of thin carbon layers around the powder particles begins with the introduction of a carbon-containing gas into the reactor, that is then decomposed. Once all the powder particles are evenly coated with a carbon layer, the product is cooled, sieved and packaged under strict hygienic conditions.

Company information

Glatt Ingenieurtechnik GmbH
Glatt Ingenieurtechnik GmbH
Glatt is specialized in intelligent particle design for the generation and functionalization of powders and granulates with defined, adjustable properties. The focus is on particles and powders for pigments, catalytic, ceramic or battery materials as well as for granules and pellets as additives for e.g. industrial salts, detergents and cleaning agents, fertilizers, pesticides, food, feed, dietary supplements and pharmaceuticals. Encapsulation of flavors, enzymes, vitamins, microorganisms, probiotics or fatty acids (PUFA) is just as possible as encapsulation of essential oils and other active, sensitive substances to be protected. With Glatt APPtec®, a unique technology for spray calcination, it is possible to generate, coat and then calcine particles in a pulsing hot gas stream in a single process step. As a pioneer in fluid bed and spouted bed technologies, Glatt masters these important processes for the formulation and optimization of particle properties through defined spray agglomeration, spray granulation, spray coating or (micro)encapsulation as well as through combinations of these processes. Also in the high temperature range. Glatt supports the product idea from the early phase of product formulation through process development to scale-up to production scale. Under the leadership of the Glatt Process & Plant Engineering teams, customized production plants for nutrition, fine chemicals, pharmaceuticals, and biotech applications are successfully planned and commissioned. Worldwide. Whether based on powder synthesis, fluid bed or spouted bed technology, Glatt also offers certified contract manufacturing for customers without their own production capacities.
Last update: 07.06.2024

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