Photocurable compositions and flexographic printing plates...

Details Photocurable compositions and flexographic printing plates... Photocurable compositions and flexographic printing plates...

2007-07-10

2007-07-10

Hamilton, Cynthia (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Imaged product

Including resin or synthetic polymer

C430S286100, C430S287100, C430S306000, C430S285100, C430S281100

Reexamination Certificate

active

10832733

ABSTRACT:
The present invention relates to photocurable compositions for use in flexographic printing plates comprising selectively hydrogenated block copolymers of conjugated dienes and monoalkenyl arenes and flexographic printing plates made from the same. The block copolymers, either linear or radial, have terminal blocks of unsaturated conjugated diene. The block copolymer is further comprised of monoalkenyl arene blocks and hydrogenated conjugated diene blocks. The compositions exhibit exceptional improvement in degree of cure over comparative selectively hydrogenated block copolymers.

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