Flame retardant radiation sensitive element

Details Flame retardant radiation sensitive element Flame retardant radiation sensitive element

1980-02-14

1981-07-14

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430271, 430273, 430288, 430905, 20415917, 2041592, G03C 168

Patent

active

042787521

ABSTRACT:
A radiation sensitive element comprising a support bearing a layer of photopolymerizable composition which comprises (1) at least one addition polymerizable ethylenically unsaturated compound, (2) an initiator activatable in the ultraviolet to visible region of the spectrum, and (3) at least 20% by weight of a polymeric binder containing at least 5% by weight of acrylonitrile, the composition having present at least 5% by weight halogen based on the total weight of composition covalently bonded to an aromatic moiety of at least one of said components of the composition and/or a conjugated vinyl component. The elements withstand soldering and are flame retardant and are useful as solder masks.

REFERENCES:
patent: 4058443 (1977-11-01), Murata et al.

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