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News

New DuPont interlayers enable digitally printed white designs in laminated glass

Du Pont Engineering Polymers : 09 November, 2004  (Company News)
DuPont Glass Laminating Solutions announced at the Glasstec show the industry's first PVB interlayers to enable white, digitally printed images and design effects to be embedded securely inside laminated safety glass.
The advance is based on new white ink science developed by DuPont for its SentryGlas® Expressions™ family of decorative interlayers.

SentryGlas® Expressions™ decorative interlayers combine ink jet and polymer sheet technology from DuPont to enable fast, custom designs in laminated glass. The technology is backed by DuPont ink jet formulating science, and the company's recent polymer material innovations for the laminated glass industry.

DuPont decorative glass venture manager David S. Cordrey explains, 'The ability to digitally print SentryGlas® Expressions™ interlayers gives designers the freedom to create textures, images, wayfinding or other visuals in safety glass. To launch the business, we adapted traditional full-color, high-resolution printing technology to work with selected DuPont interlayers, resulting in decorative glass that meets established building codes and safety requirements.'

Adds Cordrey: 'In traditional color printing, the substrate, for example paper, provides whiteness in the printed result. However, glass interlayers are often clear, which means whiteness needs to be added, to create white design elements. Adding white ink to the SentryGlas® Expressions™ color palette gives us that capability – advancing design and production options for the decorative glass industry.'

Digitally printing white imagery onto the safety glass interlayer is a precise, high resolution and easy way to customize glass and create unique environments. Compared with screen printing, using SentryGlas® Expressions™ encourages more imaginative designs that are faster and easier to adjust. The technology also enables interesting new visual options such as gradients of color-to-color or color-to-clear. And production is more environmentally friendly than acid etching, often used for frosted whites.

With SentryGlas® Expressions™ interlayers, the resulting design is embedded inside the glass, safely protected from cleaning chemicals, abrasives, dirt and grease stains, or sources of marring or scratching.
DuPont™ SentryGlas® Expressions™ white ink technology is ideal for decorative glass applications such as balustrades, space dividers, privacy glazing, and light wells.
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