Radiation sensitive resin composition, cathode separator and el display device

A radiation sensitive resin composition, which comprises:

• (A) an alkali soluble resin;
• (B) at least one compound selected from the group consisting of a compound represented by the following formula (I):
• 8
• wherein six Rs may be the same or different and each a hydrogen atom or an alkyl group having 1 to 6 carbon atoms,
• a compound represented by the following formula (II):
• 9
• wherein Rs are defined as above,
• a compound represented by the following formula (III):
• 10
• wherein Rs are defined as above,
• and a compound represented by the following formula (IV):
• 11
• wherein Rs are defined as above;
• and
• (C) a trihalomethyltriazine represented by the following formula (V):
• 12
• wherein X is a halogen atom and A is CX3 or a group represented by the following formula:
• 13
• B, D and E are each independently a hydrogen atom, alkyl group, aryl group, alkoxy group, aryloxy group, thioalkyl group or thioaryl group having 1 to 10 carbon atoms, halogen atom, cyano group, nitro group, secondary amino group having an alkyl group with 1 to 10 carbon atoms, carboxyl group, hydroxyl group, ketoalkyl group or ketoaryl group having 1 to 10 carbon atoms, or alkoxycarbonyl group or alkylcarbonyloxy group having 1 to 20 carbon atoms, and m is an integer of 1 to 5, or an onium salt which serves as an optically acid generating agent represented by the following formula (VI):
• (A)nZ+− (VI)
• wherein A is as defined hereinabove, Z is sulfur or iodine, Y is BF4, PF6, SbF6, AsF6, p-toluene sulfonate, trifluoromethane sulfonate or trifluoroacetate, and n is 2 or 3, and which is for formation of cathode separators for EL display devices.