Patent ID: 6911291

Claim:
A recording material which comprises a support and a negative-working, radiation-sensitive layer which comprises a diazonium salt and a polymeric binder, the radiation-sensitive layer comprises a sulphobetaine, wherein the sulphobetaine is of the formula I: in which R 1 to R 3 are identical or different and are substituted or unsubstituted and/or mono- or polyunsaturated, acyclic or isocyclic hydrocarbon radicals having from 1 to 16 carbon atoms, in which one or more methylene groups is optionally replaced by —O—, —S—, —NH—, —CO—NH— and/or —O—CO—NH—groups, and, in the case of the acyclic radicals, each two thereof is optionally linked to one another to form a saturated or unsaturated ring, and R 4 is a substituted or unsubstituted (C 1 -C 6 )alkanediyl group.