Terpene ether developing solvent for photopolymerizable...

G - Physics – 03 – F

Patent

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G03F 7/26 (2006.01) G03F 7/30 (2006.01) G03F 7/32 (2006.01)

Patent

CA 2544990

Flexographic printing plates are produced by exposing the photopolymer plates to a light source and washing out (developing) the masked out, non-exposed areas with a solvent. The invention provides terpene ether solvents suitable for use in the development of photopolymer printing plates. The solvents, which include terpene ethers alone or mixed with co-solvents and/or non- solvents, are effective in developing a large number of different photopolymer printing plates and can produce images superior to those obtained with commercially available solvents currently used in such applications.

Selon la présente invention, les plaques d'impression flexographiques sont produites par exposition des plaques photopolymères à une source de lumière et par lavage (développement) des zones non exposées, masquées avec un solvant. Cette invention a aussi trait à des solvants d'éthers de terpène appropriés au développement de plaques d'impression photopolymères. Ces solvants contenant des éthers de terpène seuls ou mélangés avec des co-solvants et/ou des non-solvants sont efficaces dans le développement d'un nombre important de différentes plaques d'impression photopolymères et peuvent produire des images supérieures à celles obtenues avec des solvants disponibles dans le commerce actuellement utilisés dans de telles applications.

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