| 摘要 |
PROBLEM TO BE SOLVED: To obtain a thermosetting compd. which is cured by the exposure to chemical rays and is useful as a reprocessible capsule material for integrated circuits by compounding a specific acetal diepoxide with a photo/acid-generated photoinitiator. SOLUTION: This material is an uncured thermosetting compd. which is cured by the exposure to chemical rays and contains an acetal diepoxide represented by the formula [wehrein R and R' are each an aliph. or alicyclic epoxy part; R1 to R4 are each alkyl, substd. alkyl, aryl, or aralkyl; and R2 and R3 are each H, alkyl, alkoxy, substd. alkaryl, alkaryl, or cycloalkyl] and a photo/acid generated photoinitiator. The compd. may further contain a second epoxy-functional resin, an inorg. filler, a plasticizer, etc. A cured capsule material contg. the compd. is dissolvable in a dil. acidic soln. and can be recycled. |
