申请人:Katagiri Tomoaki
公开号:US20120172569A1
公开(公告)日:2012-07-05
To provide a thermosetting resin having a benzoxazine ring, having excellent dimensional stability. A thermosetting resin having a benzoxazine ring, comprising a structure A represented by the following formula (1) and a structure B represented by the following formula (2):
wherein R
1
and R
2
each independently represent hydrogen or an organic group having 1 to 20 carbon atoms, Y
1
represents an organic group that is an aliphatic diamine residue having a linear, branched, or cyclic structure or an aromatic diamine residue, wherein the organic group has 1 to 20 carbon atoms and may comprise a hetero element, and n represents an integer of 1 to 500; and * represents a bonding site,
wherein R
3
and R
4
each independently represent hydrogen or an organic group having 1 to 20 carbon atoms, X represents an aliphatic organic group having a linear, branched, or cyclic structure or an aromatic organic group, wherein the organic group has 1 to 20 carbon atoms and may comprise a hetero element, Y
2
represents an organic group that is an aliphatic diamine residue having a linear, branched, or cyclic structure or an aromatic diamine residue, wherein the organic group has 1 to 20 carbon atoms and may comprise a hetero element, and m represents an integer of 1 to 500; and * represents a bonding site.