Capped bisphenol polyindane oligomer and composition, method of manufacture, and articles made therefrom

A capped polyindane oligomer of formula (1):

• wherein,
• R1, R2, and R3 are each independently hydrogen, halogen, C1-12 hydrocarbyl provided that the hydrocarbyl group is not tertiary hydrocarbyl, C1-12 hydrocarbylthio, C1-12 hydrocarbyloxy, or C2-12 halohydrocarbyloxy wherein at least two carbon atoms separate the halogen and oxygen atoms;
• Rx and Ry are each independently a hydrogen atom or a group represented by:
• wherein,
• Y2 is a divalent linking group having one of formulas
• wherein,
• each occurrence of Rc and Rd independently is hydrogen or C1-12 alkyl,
• R5a is an epoxide-containing group, a cyanate-containing group, or a C1-12 hydrocarbyl optionally substituted with one or two carboxylic acid groups,
• each occurrence of R6, R7, and R8 independently is hydrogen, C1-18 hydrocarbyl, C2-18 hydrocarbyloxycarbonyl, nitrile, formyl, carboxylic acid, imidate, or thiocarboxylic acid, and
• each occurrence of R9, R10, R11, R12, and R13 independently is hydrogen, halogen, C1-12 alkyl, C2-12 alkenyl, hydroxy, amino, maleimide, carboxylic acid, or a C2-20 alkyl ester;
• provided that at least one of Rx and Ry is not a hydrogen atom;
• m is an integer of 0 to 3;
• and
• n is an integer of 2 to 20.