| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a thermosetting epoxy resin composition which gives a cured product in which reflexibility, heat resistance, and light resistance are held for long period of time, and which is uniform and has little yellowing. <P>SOLUTION: The thermosetting epoxy resin composition includes (A) the combination of (A-1) a triazine derivative epoxy resin and (A-2) an acid anhydride, or a prepolymer which is obtained by reacting them, (B) an antioxidant consisting of a compound expressed by formula (1) (wherein R is an alkyl group shown by C<SB POS="POST">n</SB>H<SB POS="POST">2n+1</SB>, and n is an integer of 1-10), (C) an internal mold release agent, (D) a reflective improver, (E) an inorganic filler, and (F) a curing catalyst. <P>COPYRIGHT: (C)2012,JPO&INPIT |
