Polymerizable compound and curable composition comprising same

A method for producing a compound having a structural unit derived from a dimerdiol and having, as an end group, a group represented by formula (1):

• wherein R1 represents H or CH3 and R2 represents a hydrocarbon group having 2 to 12 carbon atoms, at an end of the compound, wherein the method comprises conducting addition polymerization reaction using, as raw materials,
• (a1) a dimerdiol;
• (a2) a polyisocyanate compound comprising a diisocyanate compound;
• and
• (a3) a compound represented by formula (5):
• wherein R1 represents H or CH3 and R2 represents a hydrocarbon group having 2 to 12 carbon atoms.

A method for producing a compound having a structural unit derived from a dimerdiol and having, as end groups, a group represented by formula (1):

• wherein R1 represents H or CH3 and R2 represents a hydrocarbon group having 2 to 12 carbon atoms, and a group represented by formula (2):
• wherein R3s each independently represent CH3 or CH2CH3 and R4 represents a hydrocarbon group having 3 to 9 carbon atoms, at an end of the compound, wherein the method comprises conducting addition polymerization reaction using, as raw materials,
• (a1) a dimerdiol;
• (a2) a polyisocyanate compound comprising a diisocyanate compound;
• (a3) a compound represented by formula (5):
• wherein R1 represents H or CH3 and R2 represents a hydrocarbon group having 2 to 12 carbon atoms;
• and
• (a4) a compound represented by formula (6):
• wherein R3s each independently represent CH3 or CH2CH3 and R4 represents a hydrocarbon group having 3 to 9 carbon atoms.