摘要:
Disclosed are compounds of the formula I ##STR1## in which X is a phenyl, [1]naphthyl or [2]naphthyl radical each substituted by at least one tert.-butoxycarbonyloxy group and, if appropriate, having one or more than one additional substituent,R.sup.1 is a hydrogen atom, a (C.sub.1 -C.sub.6)-alkyl radical, a (C.sub.6 -C.sub.10)-aryl radical or one of the radicals X andR.sup.2 and R.sup.3 are identical or different and are a (C.sub.1 -C.sub.12)-alkyl radical in which, if appropriate, up to three methylene groups are replaced by bridge members having at least one hetero atom, such as --O--, --S--, --NR.sup.4 --, --CO--, --CO--O--, --CO--NH--, --O--CO--NH--, --NH--CO--NH--, --CO--NH--CO--, --SO.sub.2 --, --SO.sub.2 --O-- or --SO.sub.2 --NH--, a (C.sub.3 -C.sub.12)-alkenyl, (C.sub.3 -C.sub.12)-alkynyl, (C.sub.4 -C.sub.12)-cycloalkyl, (C.sub.4 -C.sub.12)-cycloalkenyl or (C.sub.8 -C.sub.16)-aralkyl radical in which, if appropriate, up to three methylene groups of the aliphatic moiety are replaced by bridge members of the abovementioned type and which can be substituted in the aromatic moiety by fluorine, chlorine or bromine atoms or by (C.sub.1 -C.sub.4)-alkyl, (C.sub.1 -C.sub.4)-alkoxy, nitro, cyano or tert.-butoxycarbonyloxy groups,R.sup.4 being an acyl radical, especially a (C.sub.1 -C.sub.6)-alkanoyl radical.
摘要:
Disclosed are compounds of the formula I ##STR1## in which X is a phenyl, [1]naphthyl or [2]naphthyl radical each substituted by at least one tert.-butoxycarbonyloxy group and, if appropriate, having one or more than one additional substituent,R.sup.1 is a hydrogen atom, a (C.sub.1 -C.sub.6)-alkyl radical, a (C.sub.6 -C.sub.10)-aryl radical or one of the radicals X andR.sup.2 is a (C.sub.4 -C.sub.12)-alkylene, (C.sub.4 -C.sub.12)-alkenylene or (C.sub.4 -C.sub.12)-alkynylene group in which, if appropriate, up to three methylene groups are replaced by bridge members having at least one hetero atom, such as --O--, --S--, --NR.sup.3 --, --CO--, --CO--O--, --CO--NH--, --O--CO--NH--, --NH--CO--NH--, --CO--NH--CO--, --SO.sub.2 --, --SO.sub.2 --O-- or --SO.sub.2 --NH--, a (C.sub.4 -C.sub.12)-cycloalkylene, (C.sub.4 -C.sub.12)-cycloalkenylene or (C.sub.8 -C.sub.16)-arylenebisalkyl radical in which, if appropriate, up to three methylene groups of the aliphatic moiety are replaced by bridge members of the above-mentioned type and which can be substituted in the aromatic moiety by fluorine, chlorine or bromine atoms or by (C.sub.1 -C.sub.4)-alkyl, (C.sub.1 -C.sub.4)-alkoxy, nitro, cyano or tert.-butoxycarbonyloxy groups,R.sup.3 being an acyl radical, especially a (C.sub.1 -C.sub.6)-alkanoyl radical, andn being an integer from 2 to 50, preferably from 5 to 20.
摘要:
A positive-working radiation-sensitive mixture is disclosed which contains as essential constituents:a) an .alpha.-carbonyl-.alpha.-sulfonyl-diazomethane, which forms a strong acid on irradiation, of the general formula I ##STR1## in which R.sup.1 and R.sup.2, independently of one another, denote an alkyl-, cycloalkyl-, aryl- or heteroaryl radicalb) a compound having at least one C--O--C or C--O--Si bond which can be cleaved by acid, andc) a water-insoluble binder which is soluble or at least swellable in aqueous-alkaline solutions.The radiation-sensitive mixture according to the invention is notable for a high sensitivity over a wide spectral range. It also exhibits a high thermal stability and does not form any corrosive photoylsis products on exposure to light.
摘要:
A radiation-sensitive mixture which contains a polymeric binder having acid-labile side groups and a compound which generates a strong acid on irradiation wherein the binder is a polymer built up from novel amides of .alpha.,.beta.-unsaturated carboxylic acids, is highly sensitive in the shortwave uv region and useful in the production of recording material.
摘要:
A 2,4,6-tris-(2-hydroxyethoxy)-[1,3,5]triazine esterified with two or three arylsulfonic acids or heteroarylsulfonic acids is useful to prepare a positive-working radiation-sensitive mixture which is distinguished by a high resolution and a high sensitivity over a wide spectral range. It also shows high thermal stability and does not form corrosive photolysis products on exposure. A radiation-sensitive recording material which is produced from these esters is suitable for producing photoresists, electronic components, printing plates or for chemical milling.
摘要:
Sulfonic acid esters of 2,4-bistrichloromethyl-6-(mono- or dihydroxyphenyl)-1,3,5-triazine are disclosed. Also disclosed is a negative-working radiation-sensitive mixture containing such a compound in combination with a compound containing at least two acid-crosslinkable groups, and a water-insoluble polymeric binder which is soluble or at least swellable in aqueous alkaline solutions. The esters are esters of a sulfonic acid or sulfonic acids of the formula R--SO.sub.3 H or R'(--SO.sub.3 H).sub.2 with 2,4-bistrichloromethyl-6-(mono- or dihydroxyphenyl)-1,3,5-triazine of the formulae I and/or II ##STR1## where R is an optionally further substituted (C.sub.1 -C.sub.10)-alkyl, (C.sub.5 -C.sub.10)cycloalkyl, (C.sub.6 -C.sub.10)aryl, (C.sub.6 -C.sub.10)aryl-(C.sub.1 -C.sub.10)alkyl or (C.sub.3 -C.sub.9)heteroaryl radical, R' is an optionally substituted (C.sub.1 -C.sub.10)alkylene, (C.sub.6 -C.sub.10)arylene or (C.sub.3 -C.sub.9)heteroarylene radical, and n may be 1 or 2. The radiation-sensitive mixture according to the invention is remarkable for a high resolution and a high sensitivity over a wide spectral range and can be used to produce a radiation-sensitive recording material suitable for producing photoresists, electronic components, or printing plates, or for chemical milling.
摘要:
A negative-working radiation-sensitive mixture containinga) a compound which generates a strong acid under the action of actinic radiation, comprising a 1-sulfonyloxy-2-pyridone,b) a compound having at least two groups crosslinkable by acid andc) a polymeric binder which is insoluble in water and soluble or at least swellable in aqueous alkaline solutions.
摘要:
Compounds of general formula I are disclosed ##STR1## wherein R.sup.1 denotes an unsubstituted or substituted carbocyclic or heterocyclic aryl radical,R.sup.2 and R.sup.3 are different from each other and either denote a hydrogen atom or a 4,6-bis-trichloromethyl-s-triazin-2-yl group, andn and m independently of each other, denote one of the numbers 0 and 1.The compounds are effective free-radical-forming photoinitiators and photolytically-activatable acid donors for photosensitive compositions.
摘要:
A positively operating radiation-sensitive mixture comprising a binder which is insoluble in water but soluble or at least swellable in aqueous alkaline solution, and as a photoactive component a polyfunctional .alpha.-diazo-.beta.-keto ester of the general formula I ##STR1## in which R.sup.1 denotes an aliphatic, cycloaliphatic or araliphatic or aromatic radical having 4 to 20 carbon atoms, in which individual CH.sub.2 groups can be replaced by oxygen or sulfur atoms or by ##STR2## or NH groups and/or contain keto groups, X denotes an aliphatic, cycloaliphatic, carbocyclic, heterocyclic or araliphatic radical having 2 to 22 carbon atoms, in which individual CH.sub.2 groups can be replaced by oxygen or sulfur atoms or by the groups --NR.sup.2 --, --C(O)--O--, --C(O)--NR.sup.2 --, --C(O)-- ##STR3## --NR.sup.2 --C(O)--NR.sup.3 --, --O--C(O)--NR.sup.2 --, --C(O)-- ##STR4## or --O--C(O)--O--, or CH groups can be replaced by ##STR5## in which R.sup.2 and R.sup.3 independently of one another represent hydrogen or an aliphatic, carbocyclic or araliphatic radical,m denotes an integer from 2 to 10 andn denotes an integer from 0 to 2, whereinm-n is .gtoreq.2,is described.The radiation-sensitive mixture is particularly suitable for exposure using radiation of wavelength 190 to 300 nm.
摘要:
A light-sensitive mixture that contains as essential constituents (a) a diazonium salt polycondensation product, (b) a free-radical polymerizable compound, (c) a polymerization initiator which forms free radicals under the action of actinic radiation and (d) a water-insoluble polymeric binder which is soluble in organic solvents and in aqueous alkaline solutions, where the binder is a reaction product of an intramolecular anhydride of an organic polycarboxylic acid with a hydroxyl-containing synthetic polymer, is preferably used for preparing planographic printing plates which combine high image resolution and an extended print run.