Dielectric materials based on amide-imide-extended bismaleimides

Bismaleimide compound, represented by Formula (1) or (2):

• wherein:
• A, B and Z are independently and at each occurrence independently from each other a binding unit comprising one or more of an aliphatic, aromatic, or siloxane moiety, wherein optionally one or more of A, B and Z contains a cardo center or spiro center;
• represents one single bond or two single bonds;
• represents a single bond or double bond;
• Ra and Rb are independently and at each occurrence independently from each other a binding unit comprising one or more of an aliphatic, aromatic, or siloxane moiety;
• Rz is Ra or Rb;
• X is at each occurrence independently from each other a binding unit comprising one or more of an aliphatic, aromatic, or siloxane moiety;
• R1 is H or alkyl having 1 to 5 carbon atoms;
• R2 is H or alkyl having 1 to 5 carbon atoms;
• n is an integer from 1 to 60;
• m is an integer from 0 to 60;
• and
• z is an integer from 0 to 60;
• wherein at least one of m or z is 0.