| 摘要 |
The invention relates to 2,3,4-trihydroxy-3'-methyl-, -ethyl-, -propyl- and -isopropylbenzophenone which has been fully esterified by means of 2-diazo-1,2-naphthoquinone-4-sulphonic acid and/or 2-diazo-7- methoxy-1,2-naphthoquinone-4-sulphonic acid, to a radiation-sensitive mixture thereof with a polymeric binder which is insoluble in water, but soluble, at least swellable in aqueous-alkaline solutions, and a radiation-sensitive recording material having a support and a radiation-sensitive layer comprising the novel mixture. |
