Radiographic intensifying screen

Details Radiographic intensifying screen Radiographic intensifying screen

1984-08-01

1986-08-26

Ives, P. C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428330, 4284242, 4284237, 428483, 428690, 428913, 428412, 428463, 4284763, 4284735, 428514, 2504831, 2504861, B32B 516, B32B 2706, H01J 168

Patent

active

046083014

ABSTRACT:
A radiographic intensifying screen comprising a support and a phosphor layer provided thereon which comprises a binder and a phosphor dispersed therein, characterized in that said binder contains a (meth)acrylic copolymer in the amount of 5-100% by weight, having repeating units represented by the formulas (I), (II) and (III): ##STR1## in which each of R.sub.1, R.sub.3 and R.sub.5 is independently a hydrogen atom or an alkyl group; R.sub.2 is a group selected from those consisting of an alkyl group, a cycloalkyl group, an aryl group, a heterocyclic group and an aralkyl group; R.sub.4 is a hydrogen atom or an alkyl group, provided that R.sub.4 is not identical to R.sub.2 ; and x, y and z which represent molar percents are numbers satisfying the conditions of 5.ltoreq.x.ltoreq.99, 1.ltoreq.y+z.ltoreq.95 and x+y+z.gtoreq.90. The (meth)acrylic copolymer is preferably employed in combination with a linear polyester having a hydroxyl value in the range of 20-70.

REFERENCES:
patent: 2676112 (1954-04-01), Middleton et al.
patent: 4486486 (1984-12-01), Maeoka et al.
patent: 4501796 (1985-02-01), Kitada
patent: 4508636 (1985-04-01), Ochiai

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