US 11,873,356 B2
Curable composition and cured product thereof
Kazuhisa Yamoto, Ichihara (JP); Yutaka Satou, Ichihara (JP); and Koji Hayashi, Ichihara (JP)
Assigned to DIC Corporation, Tokyo (JP)
Appl. No. 17/041,776
Filed by DIC Corporation, Tokyo (JP)
PCT Filed Mar. 14, 2019, PCT No. PCT/JP2019/010505
§ 371(c)(1), (2) Date Sep. 25, 2020,
PCT Pub. No. WO2019/188332, PCT Pub. Date Oct. 3, 2019.
Claims priority of application No. 2018-064717 (JP), filed on Mar. 29, 2018.
Prior Publication US 2021/0032383 A1, Feb. 4, 2021
Int. Cl. C08G 73/10 (2006.01); C08F 212/14 (2006.01); H01L 23/29 (2006.01); H05K 1/03 (2006.01)
CPC C08F 212/22 (2020.02) [C08G 73/10 (2013.01); H01L 23/29 (2013.01); H05K 1/03 (2013.01)] 5 Claims
 
1. A curable composition, comprising:
an aromatic ester compound (A) and a maleimide compound (B),
the aromatic ester compound (A) being represented by structural formula (1-1):

OG Complex Work Unit Chemistry
where in the formula, Ar1 is a substituted or unsubstituted aromatic ring group, each R1 is a polymerizable unsaturated bond-containing substituent, each R2 is any of an alkyl group, an alkoxy group, an alkyloxycarbonyl group, an alkylcarbonyloxy group, and a halogen atom, each m is 0 or an integer of 1 to 4, and n is 2 or 3;
and the maleimide compound (B) being compound having two or more maleimide groups in one molecule;
and wherein the aromatic ring group of AO has the formula:

OG Complex Work Unit Chemistry