Laminates for the manufacture of flexographic printing plates co

Details Laminates for the manufacture of flexographic printing plates co Laminates for the manufacture of flexographic printing plates co

1974-01-02

1976-04-06

Kimlin, Edward C.

Gas separation: apparatus

Electric field separation apparatus

Electrode retaining or supporting means

96 351, 96 363, 96 87R, 96115R, 20415914, 20415919, 260 75NP, 101456, 101461, G03C 194, G03C 500, G03F 700

Patent

active

039486656

ABSTRACT:
Laminates for the production of relief plates for flexographic printing, by imagewise exposure and washing out with a developer solution have, on a base optionally provided with an elastomeric layer, a photo-crosslinkable layer containing a photoinitiator and consisting of a polyurethane elastomer which has been prepared in a special manner from an aliphatic saturated polyesterglycol, an aliphatic diisocyanate, but-1-ene-3,4-diol and, if desired, another diol and which has a Shore A hardness of 30 to 90.degree. in the photo-crosslinked state, the elastomer being optionally mixed with a photo-crosslinked monomer.

REFERENCES:
patent: 3782961 (1974-01-01), Takahashi et al.
patent: 3840369 (1974-10-01), Carcick et al
patent: 3850770 (1974-11-01), Juna et al.
patent: 3864133 (1975-02-01), Nisamatsu et al.

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