Abstract: Disclosed are ?-oxo oxime ester compounds based on carbazole derivatives which have specific substituent groups useful as a photoinitiator, as well as photopolymerizable compositions comprising said photoinitiator and ethylenically unsaturated compounds. The photopolymerizable compositions are useful, for example, in photoresist formulations for display applications, e.g. liquid crystal display (LCD), organic light emitting diode (OLED) and touch panel.

Abstract: Disclosed are ?-keto oxime ester carbazole derivatives with a specific aroyl chromophore useful as a photo initiator, as well as photopolymerizable compositions comprising said photo initiator and ethylenically unsaturated compounds. The photopolymerizable compositions are useful, for example, in photoresist formulations for display applications, e.g. liquid crystal display (LCD), organic light emitting diode (OLED) and touch panel.

Abstract: The present invention relates to a cyanoaryl substituted compound of formula (I), (I) wherein m is 0-4; R2, R3, R4 and R5 are selected from hydrogen, chlorine, bromine and C6-C24-aryl, which carries one to three cyano; each R1 independently from each other is selected from bromine, chlorine, cyano, —NRaRb, C1-C24-alkyl, C1-C24-haloalkyl, C1-C24-alkoxy, C1-C24-haloalkoxy, C3-C24-cycloalkyl, heterocycloalkyl, heteroaryl, C6-C24-aryl, C6-C24-aryloxy, C6-C24-aryl-C1-C10-alkylene, etc., with the proviso that at least one of the radicals R1, R2, R3, R4 and R5 is C6-C24-aryl, which carries one to three cyano; X is O, S, SO or SO2; A is a diradical of the formulae (A.1), (A.2), (A.3), or (A.4) wherein *, R6, (R7)n, (R8)o and (R9)p are as defined in the claims and in the description.

Abstract: Oxime ester compounds of the formula I, II, III, IV or V wherein Z is for example Z1 for is NO2, unsubstituted or substituted C7-C20aroyl or unsubstituted or substituted C4-C20heteroaroyl; provided that at least one Z1 is other than NO2; Z2 is for example unsubstituted or substituted C7-C20aroyl; R1, R2, R3, R4, R5 and R6 for example are hydrogen, halogen, or unsubstituted or substituted C1-C20alkyl, unsubstituted or substituted C6-C20aryl, or unsubstituted or substituted C4-C20heteroaryl; R9, R10, R11, R12 and R13 for example are hydrogen, halogen, OR16, unsubstituted or substituted C1-C20alkyl; provided that R9 and R13 are neither hydrogen nor fluorine; R14 is for example unsubstituted or substituted C6-C20aryl or C3-C20heteroaryl Q is for example C6-C20arylene or C3-C20heteroarylene; Q1 is —C1-C20alkylene-CO—; Q2 is naphthoylene; Q3 is for example phenylene; L is for example O-alkylene-O—; R15 is for example hydrogen or C1-C20alkyl; R20 is for example hydrogen, or unsubstituted or substituted

Abstract: Oxime ester compounds of the formula I, II, III, IV or V wherein Z is for example Z1 for is NO2, unsubstituted or substituted C7-C20aroyl or unsubstituted or substituted C4-C20heteroaroyl; provided that at least one Z1 is other than NO2; Z2 is for example unsubstituted or substituted C7-C20aroyl; R1, R2, R3, R4, R5 and R6 for example are hydrogen, halogen, or unsubstituted or substituted C1-C20alkyl, unsubstituted or substituted C6-C20aryl, or unsubstituted or substituted C4-C20heteroaryl; R9, R10, R11, R12 and R13 for example are hydrogen, halogen, OR16, unsubstituted or substituted C1-C20alkyl; provided that R9 and R13 are neither hydrogen nor fluorine; R14 is for example unsubstituted or substituted C6-C20aryl or C3-C20heteroaryl Q is for example C6-C20arylene or C3-C20heteroarylene; Q1 is —C1-C20alkylene-CO—; Q2 is naphthoylene; Q3 is for example phenylene; L is for example O-alkylene-O—; R15 is for example hydrogen or C1-C20alkyl; R20 is for example hydrogen, or unsubstituted or substituted C1-

Abstract: Oxime ester compounds of the formula I, II, III, IV or V wherein Z is for example Z1 for is NO2, unsubstituted or substituted C7-C20 aroyl or unsubstituted or substituted C4-C20heteroaroyl; provided that at least one Z1 is other than NO2; Z2 is for example unsubstituted or substituted C7-C20aroyl; R1, R2, R3, R4, R5 and R6 for example are hydrogen, halogen, or unsubstituted or substituted C1-C20alkyl, unsubstituted or substituted C6-C20aryl, or unsubstituted or substituted C4-C20heteroaryl; R9, R10, R11, R12 and R13 for example are hydrogen, halogen, OR16, unsubstituted or substituted C1-C20alkyl; provided that R9 and R13 are neither hydrogen nor fluorine; R14 is for example unsubstituted or substituted C6-C20aryl or C3-C20heteroaryl Q is for example C6-C20arylene or C3-C20heteroarylene; Q1 is —C1-C20alkylene-CO—; Q2 is naphthoylene; Q3 is for example phenylene; L is for example O-alkylene-O—; R15 is for example hydrogen or C1-C20alkyl; R20 is for example hydrogen, or unsubstituted or substituted C1

Abstract: The present invention relates to a cyanoaryl substituted compound of formula (I), (I) wherein m is 0-4; R2, R3, R4 and R5 are selected from hydrogen, chlorine, bromine and C6-C24-aryl, which carries one to three cyano; each R1 independently from each other is selected from bromine, chlorine, cyano, —NRaRb, C1-C24-alkyl, C1-C24-haloalkyl, C1-C24-alkoxy, C1-C24-haloalkoxy, C3-C24-cycloalkyl, heterocycloalkyl, heteroaryl, C6-C24-aryl, C6-C24-aryloxy, C6-C24-aryl-C1-C10-alkylene, etc., with the proviso that at least one of the radicals R1, R2, R3, R4 and R5 is C6-C24-aryl, which carries one to three cyano; X is O, S, SO or SO2; A is a diradical of the formulae (A.1), (A.2), (A.3), or (A.4) wherein *, R6, (R7)n, (R8)o and (R9)p are as defined in the claims and in the description.

Abstract: Compounds of the formulae (I) or (II) wherein X is A is O, S, NR5 or CR16R17; R1 is for example hydrogen or C1-C20alkyl R2 is for example hydrogen, C1-C20alkyl or C6-C20aryl R5 for example is C1-C20alkyl; R7, R8, R9, R10 and R11 for example independently of each other are hydrogen. C1-C20alkyl, halogen, CN or NO2; Ar1 is for example unsubstituted or substituted C6-C20aryl, C3-C20heteroaryl, C6-C20aroyl, C3-C20heteroarylcarbonyl or or Ar1 is Ar2 is for example phenylene, all of which are unsubstituted or substituted M is for example unsubstituted or substituted C1-C20alkylene Y is a direct bond, O, S, NR5 or CO; Z1 is for example O or S; Z2 is a direct bond, O, S or NR5; and Q is CO or a direct bond.

Abstract: Oxime ester compounds of the formula I, II, III, IV or V wherein Z is for example Z1 for is NO2, unsubstituted or substituted C7-C20aroyl or unsubstituted or substituted C4-C20heteroaroyl; provided that at least one Z1 is other than NO2; Z2 is for example unsubstituted or substituted C7-C20aroyl; R1, R2, R3, R4, R5 and R6 for example are hydrogen, halogen, or unsubstituted or substituted C1-C20alkyl, unsubstituted or substituted C6-C20aryl, or unsubstituted or substituted C4-C20heteroaryl; R9, R10, R11, R12 and R13 for example are hydrogen, halogen, OR16, unsubstituted or substituted C1-C20alkyl; provided that R9 and R13 are neither hydrogen nor fluorine; R14 is for example unsubstituted or substituted C6-C20aryl or C3-C20heteroaryl Q is for example C6-C20arylene or C3-C20heteroarylene; Q1 is —C1-C20alkylene-CO—; Q2 is naphthoylene; Q3 is for example phenylene; L is for example O-alkylene-O—; R15 is for example hydrogen or C1-C20alkyl; R20 is for example hydrogen, or unsubstituted or substituted C1-

Abstract: Oxime ester compounds of the formula I, II, III, IV or V wherein Z is for example Z1 for is NO2, unsubstituted or substituted C7-C20aroyl or unsubstituted or substituted C4-C20heteroaroyl; provided that at least one Z1 is other than NO2; Z2 is for example unsubstituted or substituted C7-C20aroyl; R1, R2, R3, R4, R5 and R6 for example are hydrogen, halogen, or unsubstituted or substituted C1-C20alkyl, unsubstituted or substituted C6-C20aryl, or unsubstituted or substituted C4-C20heteroaryl; R9, R10, R11, R12 and R13 for example are hydrogen, halogen, OR16, unsubstituted or substituted C1-C20alkyl; provided that R9 and R13 are neither hydrogen nor fluorine; R14 is for example unsubstituted or substituted C6-C20aryl or C3-C20heteroaryl Q is for example C6-C20arylene or C3-C20heteroarylene; Q1 is C1-C20alkylene-CO—; Q2 is naphthoylene; Q3 is for example phenylene; L is for example O-alkylene-O—; R15 is for example hydrogen or C1-C20alkyl; R20 is for example hydrogen, or unsubstituted or substituted C

Abstract: Oxime ester compounds of the formula I, II, III, IV or V wherein Z is for example Z1 for is NO2, unsubstituted or substituted C7-C20aroyl or unsubstituted or substituted C4-C20heteroaroyl; provided that at least one Z1 is other than NO2; Z2 is for example unsubstituted or substituted C7-C20aroyl; R1, R2, R3, R4, R5 and R6 for example are hydrogen, halogen, or unsubstituted or substituted C1-C20alkyl, unsubstituted or substituted C6-C20aryl, or unsubstituted or substituted C4-C20heteroaryl; R9, R10, R11, R12 and R13 for example are hydrogen, halogen, OR16, unsubstituted or substituted C1-C20alkyl; provided that R9 and R13 are neither hydrogen nor fluorine; R14 is for example unsubstituted or substituted C6-C20aryl or C3-C20heteroaryl Q is for example C6-C20arylene or C3-C20heteroarylene; Q1 is —C1-C20alkylene-CO—; Q2 is naphthoylene; Q3 is for example phenylene; L is for example O-alkylene-O—; R15 is for example hydrogen or C1-C20alkyl; R20 is for example hydrogen, or unsubstituted or substituted C1-C2

Abstract: Oxime ester compounds of the formula I, II, III, IV or V wherein Z is for example Z1 for is NO2, unsubstituted or substituted C7-C20aroyl or unsubstituted or substituted C4-C20heteroaroyl; provided that at least one Z1 is other than NO2; Z2 is for example unsubstituted or substituted C7-C20aroyl; R1, R2, R3, R4, R5 and R6 for example are hydrogen, halogen, or unsubstituted or substituted C1-C20alkyl, unsubstituted or substituted C6-C20aryl, or unsubstituted or substituted C4-C20heteroaryl; R9, R10, R11, R12 and R13 for example are hydrogen, halogen, OR16, unsubstituted or substituted C1-C20alkyl; provided that R9 and R13 are neither hydrogen nor fluorine; R14 is for example unsubstituted or substituted C6-C20aryl or C3-C20heteroaryl Q is for example C6-C20arylene or C3-C20heteroarylene; Q1 is —C1-C20alkylene-CO—; Q2 is naphthoylene; Q3 is for example phenylene; L is for example O-alkylene-O—; R15 is for example hydrogen or C1-C20alkyl; R20 is for example hydrogen, or unsubstituted or substituted C1-C

Abstract: Oxime sulfonate compounds of the formula (I), wherein R1 is O(CO)R4, COOR5 or CONR6R7; n is 1 or 2; R2 for example is C1-C8alkyl, C3-C6cycloalkyl or benzyl; R3 is for example C1-C8alkyl, C3-C6cycloalkyl, C1-C8haloalkyl, C2-C8alkenyl, benzyl, phenyl or naphthyl, which optionally are substituted; R4 is for example C1-C8alkyl, C3-C6cycloalkyl, C1-C8haloalkyl, C2-C8alkenyl, benzyl, phenyl or naphthyl, which optionally are substituted; R5 is for example C3-C20alkyl, C3-C14cycloalkyl, C2-C8alkenyl, C1-C12alkyl which is substituted for example by one or more halogen; or R5 is phenyl or naphthyl, which are unsubstituted; R6 and R7 each independently of one another for example are hydrogen, C1-C12alkyl, C1-C4haloalkyl, phenyl-C1-C4alkyl, C2-C8alkenyl or C3-C6cycloalkyl, phenyl or naphthyl; or R6 and R7, together with the N-atom to which they are attached, form a 5- or 6-membered ring; are suitable as thermal radical initiators.

Abstract: The present invention relates to a polymerizable composition comprising at least one ethylenically unsaturated, polymerizable compound and at least one oxime sulfonate compound of the formula I QAaBbCc??(I) where a is 0, 1, 2, 3, 4 or 6, b is 0, 1, 2, 3, 4 or 6, and c is 0, 1, 2, 3, 4 or 6, where the sum of a+b+c is 1, 2, 3, 4 or 6 where A is a group B is a group C is a group where # denotes the point of attachment to Q; X is S or NR14 and Q, R1, R2, R3 and R14 are as defined in claim 1 and in the description. The present invention also relates to the use of the this composition, to novel oxime sulfonates and the use of the oxime sulfonates as thermal curing promoter.

Abstract: The present invention relates to a polymerizable composition comprising at least one ethylenically unsaturated, polymerizable compound and at least one oxime sulfonate compound of the formula I QAaBbCc??(I) where a is 0, 1, 2, 3, 4 or 6, b is 0, 1, 2, 3, 4 or 6, and c is 0, 1, 2, 3, 4 or 6, where the sum of a+b+c is 1, 2, 3, 4 or 6 where A is a group B is a group C is a group where # denotes the point of attachment to Q; X is S or NR14 and Q, R1, R2, R3 and R14 are as defined in claim 1 and in the description. The present invention also relates to the use of the this composition, to novel oxime sulfonates and the use of the oxime sulfonates as thermal curing promoter.

Abstract: Compounds of the formula (I) wherein Q is a direct bond or an n-valent linking group; n is an integer 2, 3, or 4; Z is for example C1-C20alkylene, C2-C20alkenylene, C5-C8cycloalkylene or C5-C8cycloalkenylene; Y is for example C6-C20aryl or C3-C20heteroaryl; R1 is for example hydrogen, C2-C5alkenyl, C3-C8cycloalkyl, C1-C12alkyl, phenyl, naphthyl, C3-C20heteroaryl, C1-C8alkoxy, benzyloxy or phenoxy; R2 is for example C1-C20alkyl, C2-C12alkenyl, C4-C8cycloalkenyl, C2-C12alkinyl, C3-C10cycloalkyl, phenyl or naphthyl; R15, R16, R17, R18, R19 and R20 independently of each other for example are hydrogen, halogen, C1-C20alkyl, C6-C20aryl or C4-C20heteroaryl; provided that a compound wherein R15, R16, R17, R18, R19 and R20 are hydrogen, Y is thienyl, R1 is methyl, R2 is ethyl, n is 2, Q is a direct bond and Z is n-propylene and a compound wherein R15, R16, R17, R18, R19 and R20 are hydrogen, Y is thienyl, R1 is methyl, R2 is ethyl, n is 2, Q as an n-valent linking group is methylene and Z is methylene are exclude

Abstract: Compounds of the formulae (I) or (II) wherein X is A is O, S, NR5 or CR16R17; R1 is for example hydrogen or C1-C20alkyl R2 is for example hydrogen, C1-C20alkyl or C6-C20aryl R5 for example is C1-C20alkyl; R7, R8, R9, R10 and R11 for example independently of each other are hydrogen. C1-C20alkyl, halogen, CN or NO2; Ar1 is for example unsubstituted or substituted C6-C20aryl, C3-C20heteroaryl, C6-C20aroyl, C3-C20heteroarylcarbonyl or or Ar1 is Ar2 is for example phenylene, all of which are unsubstituted or substituted M is for example unsubstituted or substituted C1-C20alkylene Y is a direct bond, O, S, NR5 or CO; Z1 is for example O or S; Z2 is a direct bond, O, S or NR5; and Q is CO or a direct bond.

Abstract: Compounds of the formula (I) and (IA) wherein X is —O(CO)—; R1 is C1-C12haloalkyl or C6-C10haloaryl; R2 is located in position 7 of the coumarinyl ring and is OR8; R2a, R2b and R2C independently of each other are hydrogen; R3 is C1-C8haloalkyl or C1-C8haloalkyl; R4 is hydrogen; and R8 is C1-C6alkyI; are suitable as photosensitive acid donors in the preparation of photoresist compositions such as used for example in the preparation of spacers, insulating layers, interlayer dielectric films, insulation layers, planarization layers, protecting layers, overcoat layers, banks for electroluminescence displays and liquid crystal displays (LCD).

Abstract: Disclosed are oxime ester compounds which have specific benzo (unsaturated 5-membered ring)-carbonyl group and their use as photoinitiators in photopolymerizable compositions, in particular in photoresist formulations for display applications, e.g. liquid crystal display (LCD), organic light emitting diode (OLED) and touch panel.

Abstract: Compounds of the formula (I) and (IA) wherein X is —O(CO)—; R1 is C1-C12haloalkyl or C6-C10haloaryl; R2 is located in position 7 of the coumarinyl ring and is OR8; R2a, R2b and R2C independently of each other are hydrogen; R3 is C1-C8haloalkyl or C1-C8haloalkyl; R4 is hydrogen; and R8 is C1-C6alkyI; are suitable as photosensitive acid donors in the preparation of photoresist compositions such as used for example in the preparation of spacers, insulating layers, interlayer dielectric films, insulation layers, planarization layers, protecting layers, overcoat layers, banks for electroluminescence displays and liquid crystal displays (LCD).