Under the new brand name RHEOBYK, the specialty chemicals company from Wesel has grouped together around 40 organic products from its wide-ranging rheology portfolio for the start of the European Coatings Show (ECS) in Nuremberg. In taking this step, BYK is shining the spotlight on its organic additives and so making it much easier for customers to find their way around its extensive rheology range.
One product presented to trade professionals for the first time at the ECS and attracting special interest was RHEOBYK-440, which has been developed for water-based epoxides and is suitable for a variety of systems. That is because, in the area of sea freight containers especially, the manufacturers of protective coatings have dealt extensively in the last two years with aqueous systems based on the latest epoxy resin dispersions.
These coatings are formulated with a high pigment content and are applied in higher film thicknesses so that a rheology control agent is needed to adjust coating properties like anti-sagging and anti-settling. However, since established rheology additives in the market are not efficient enough, are not stable, or even do not work at all in epoxy dispersions, new technology is required.
With RHEOBYK-440, a liquid polyamide-based rheology additive has been developed which offers a tailor-made solution for adjusting the rheological properties in these modern aqueous epoxy systems, while simultaneously complementing the BYK product family of liquid polyamides with a product for various other water-based systems.
RHEOBYK-440: Designed for the latest water-borne epoxy systems and easy to handle
Credit: BYK
Besides optimizing anti-sagging and anti-settling properties in waterborne epoxies, RHEOBYK-440 is suitable for various other aqueous coatings, e.g. for achieving good effect pigment orientation.
For more information, see: www.byk.com/rheobyk
Source: BYK
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