Preparation of ozone resistant printing plates

Details Preparation of ozone resistant printing plates Preparation of ozone resistant printing plates

1983-09-13

1984-06-05

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

430300, 430309, 430325, 430331, 430286, G03C 500

Patent

active

044528795

ABSTRACT:
Process for improving ozone resistance of photosensitive flexographic relief printing plates prepared from at least 30% by weight of a block copolymer as defined, at least 1% by weight of at least one addition polymerizable ethylenically unsaturated compound, and a polymerization initiator wherein there is applied to the dry relief surface of said plates a solvent solution containing at least 1% by weight of a nickel or zinc dialkyldithiocarbamate compound where alkyl is from 1 to 4 carbon atoms. The treated plates which possess improved ozone resistance are useful for flexographic printing.

REFERENCES:
patent: 4320188 (1982-03-01), Heinz et al.
patent: 4323637 (1982-04-01), Chen et al.
Chemicals for Elastomers, NBC Protective Agent for Synthetic Elastomers, E. I. Du Pont de Nemours & Co., Inc., 10/63, pp. 1-and enclosures (4 pp.) Vanderbilt News, vol. 38, No. 1, 1982, pp. 10, 11, 34 and 35.

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