G - Physics – 03 – C
Patent
G - Physics
03
C
96/158
G03C 1/52 (2006.01) G03F 7/016 (2006.01) G03F 7/023 (2006.01) G03F 7/032 (2006.01) G03F 7/039 (2006.01)
Patent
CA 2035722
Abstract of the Disclosure The invention relates to a usually positive- working radiation-sensitive mixture which contains as essential components a binder which is insoluble in water and soluble in aqueous-alkaline solutions, a 1,2-quinone diazide and a compound which diminishes the developer solubility of the exposed regions by heat treatment, in which the compound which diminishes the developer solubility which is present is at least one urethane of the formula I: Image I in which R1 is hydrogen or methyl, R2 is hydrogen, alkyl, substituted or unsubstituted aryl, or substituted or unsubstituted arylaminocarbonyl, R3 is substituted or unsubstituted arylene or arylenealkylene, Q is hydrogen, -CH4-p, or -CR5R6 in which R5 and R6 can be identical or different and are selected from the group consisting of hydrogen, alkyl and aryl, carbonyl, oxygen, sulfur or sulfonyl, m is 1, 2 or 3, n is at least 1 and not more than 50, and p is 1, 2 or 3. The mixture is suitable for producing a radiation-sensitive recording material which has a long shell life in combination with high radiation sensitivity and has a broad image reversal range in a process for producing relief images.
Buhr Gerhard
Elsaesser Andreas
Frass Hans Werner
Gaschler Otfried
Mohr Dieter
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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