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Last updateWed, 20 Jun 2018 4am
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Archroma introduces Leucophor® MT, a new cost-effective optical brightening agent for high whiteness surface applications

Archroma, a global leader in color and specialty chemicals, today announced the introduction of Leucophor® MT liq, a new tetrasulfonated optical brightening agent (OBA) modified to give high whiteness performance in surface applications.

The application of optical brighteners to the surface of paper is usually done by using either hexasulfonated OBAs, when high whiteness levels are required, or tetrasulfonated OBAs, when standard levels of whiteness are sufficient.

With the increasing costs of some of the key raw materials needed to manufacture hexasulfonated OBAs, Archroma asked its R&D experts to develop a tetrasulfonated agent for surface applications that would give comparable levels of whiteness to hexasulfonated grades.

The outcome is Leucophor® MT liq, a REACH-registered, urea-free, modified tetrasulfonated OBA that offers papermakers a new, cost-effective option to achieve high whiteness levels in a surface application, especially at the size press.

Leucophor® MT liq is produced in Archroma’s OBA production facility near Barcelona, Spain, which was extended in 2017 to raise capacity to meet the demands of its European customers.

Andrew Jackson, Product Manager OBAs, Archroma Packaging & Paper Specialties, commented: “With Leucophor® MT liq, we are able to offer a new alternative to both standard tetrasulfonated and hexasulfonated optical brighteners for use in surface applications. This new portfolio option underlines once again Archroma’s continuous commitment to delivering innovation and cost efficiency to our customers, and confirms our position as the leading supplier of OBAs to the paper industry.”
www.archroma.com

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