Cognis Disponil NG: a new generation of renewable non-ionic surfactants

(PresseBox) (Monheim, ) Today's surfactants for emulsion polymerization need to be environmentally sound and at the same time deliver the high performance that latex manufacturers and their customers have come to expect. Specialty chemicals supplier Cognis is now launching the new Disponil NG series of APEOfree, VOCfree, and FDAapproved surfactants. In accordance with Cognis' Greenovating strategy, the Disponil NG series seeks to bring sustainability and performance together: based on renewable raw materials, the Disponil NG series offers several benefits in the emulsion polymerization process as well as in end users' applications, such as being gelfree, showing fast foam decay and having low pour points.

More than ever before, the market for polymer dispersions today requires environmentally sound products that deliver stateoftheart performance. Latex manufacturers are therefore looking to improve the performance of the final latex and to optimize the emulsion polymerization process in a sustainable way without sacrificing quality. Cognis' new Disponil NG series of surfactants serves this demand: these surfactants are based on modified natural and renewablebased fatty alcohols combining stateoftheart performance, handling and environmental soundness. The new series is based on the company's Greenovating strategy.

Gelfree, low foaming, low pour point surfactants

The Disponil NG series comprises surfactants that are suitable for all types of latices as inprocess nonionic or as poststabilization surfactants. They show excellent phase behavior, meaning that when diluted with water, there are no gel phases over the entire concentration range. Additionally, they ensure rapid foam collapse in the surfactant solution as well as the finished latex, and they have low pour points with one product specifically designed to reach even lower than -15°C. These properties result in easier handling and reduced energy consumption during latex production compared to traditional surfactants. Emulsion production times are reduced, and the manufacturing process can continue even at very low temperatures. Moreover the low foaming properties of Disponil NG are also reflected in the end users' applications, e.g. in paints for outdoor applications. Being FDAapproved, they can also be used in food packaging applications, which makes them very attractive for areas such as paper latex manufacturing.

Paula Gómez Perea, Senior Marketing Manager Coatings Europe at Cognis Functional Products, comments: "Cognis was one of the first companies to start searching for more sustainable alternatives to APEOs. We believe that these new renewable based surfactants represent a new milestone: they offer convincing easierhandling properties that help manufacturers to optimize and speed up their process and even improve final applications. This is what today's market requires, so we believe they will give our customers a genuine competitive edge."

BASF Personal Care and Nutrition GmbH

Cognis is a worldwide supplier of innovative specialty chemicals and nutritional ingredients, with a particular focus on the areas of wellness and sustainability. The company employs about 5,600 people, and it operates production sites and service centers in 30 countries. Cognis has dedicated its activities to a high level of sustainability and provides value adding solutions and products based on renewable raw materials. The company serves the food, nutrition and healthcare markets, and the cosmetics, detergents and cleaners industries. Another main focus is on products for a number of other industries, such as coatings and inks, lubricants, as well as agriculture and mining.

Cognis is owned by private equity funds advised by Permira, GS Capital Partners, and SV Life Sciences. In 2009, Cognis recorded sales of about 2.6 billion euros and an Adjusted EBITDA (operating result) of 364 million euros.

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