Calixarene compound and curable composition

A release agent that is a calixarene compound with a molecular structure represented by the following structural formula (1-1) or (1-2):

• wherein, in structural formula (1-1) and (1-2):
• R1 denotes a structural moiety represented by structural formula (2):
• —R4—Y—R4—RF (2)
• wherein, in structural formula (2):
• R4 independently denotes a direct bond or an alkylene group having 1 to 6 carbon atoms,
• RF denotes a perfluoroalkyl group, and
• Y denotes a carbonyl group, an oxygen atom, or a sulfur atom;
• R2 denotes a structural moiety represented by:
• wherein, in structural formula (3-1), (3-2), (3-4), (3-7), (4-1), (4-2), (4-3), (4-4), (4- 5), (4-6), or (4-7):
• R4 independently denotes an alkylene group having 1 to 6 carbon atoms,
• R5 independently denotes an alkyl group having 1 to 3 carbon atoms,
• and R6 denotes a hydrogen atom or a methyl group;
• R3 denotes a hydrogen atom, an aliphatic hydrocarbon group that may have a substituent, or an aryl group that may have a substituent;
• and
• n denotes an integer in the range of 4 to 10.