Since the introduction of DuPont Cyrel
photopolymer printing plates in 1974, we have been working with our customers to develop innovative technologies to advance flexography," says Lisa DiGate, global business director, DuPont Packaging Graphics.
Polygrama will supply both one-colour and two-colour sensitive
photopolymer solution to LL.
With transfer foils for passport and ID card applications, up until now
photopolymer materials suffered from three major issues preventing their use - inadequate heat resistance of the material, thickness of the
photopolymer layer and transferability quality.
In the lawsuit, MacDermid claims that DuPont has manufactured, used, offered for sale and sold flexographic plates, including products marketed under the name DFH 45, DFM 45, DFM 67, and DPR 67, that are covered by a MacDermid US patent related to digital
photopolymer plate technology.
As Kurz noted at the time, there was no suitable holographic
photopolymer available and no volume hologram production facility able to produce the numbers required for banknotes (hundreds of millions or more).
DuPont Packaging Graphics manufactures Cyrel
photopolymer plates, sleeves, mounting and finishing products, as well as Cyrel FAST processing equipment.
Akron Metal Etching attempted to use the process on PP but experienced problems with poor adhesion of the
photopolymer.
Unfortunately, the date for the launch of a
photopolymer security hologram on Swiss currency--a potential attention-grabber
SLA has also been limited by its
photopolymer materials, which suffered from brittleness and properties that can change with humidity and ambient temperature.
DuPont's[TM] Anti-Counterfeit Solutions group has introduced its Traceology[TM] product tracking system to complement its hone[R]
photopolymer holographic labels, its mainstay product.
The demonstration of the inline flexo press used 200 line screen
photopolymer plates.
