Thermosetting resin composition from maleimide compound and alkenyl phenol

A thermosetting resin composition comprising:

• (a) at least one maleimide compound selected from the group consisting (i) bismaleimides having the formula ##STR17## where R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are the same or different from each other and are:
• hydrogen atoms;
• or halogen atoms;
• or straight-chain or branched alkyl radicals of from 1 to 10 carbon atoms;
• or phenyl radicals;
• or substituted phenyl radicals having one or more substituents selected from the straight-chain or branched alkyl radicals of from 1 to 10 carbon atoms, halogen atoms, R.sub.13 O--groups in which R.sub.13 is an aliphatic radical of from 1 to 5 carbon atoms, and, when there are two or more radicals represented by R.sub.13, said radicals are identical to or different from each other, ##STR18## groups in which R.sub.13 is as previously defined, hydroxyl groups, or cyano groups;
• and Z is a divalent organic radical of at least 2 carbon atoms;
• and
• (ii) polymaleimides having the formula ##STR19## where R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, and R.sub.10 are the same or different from each other and are hydrogen atoms;
• or halogen atoms;
• or straight-chain or branched alkyl radicals of from 1 to 10 carbon atoms;
• or phenyl radicals;
• or substituted phenyl radicals having one or more substituents selected from halogen atoms, straight-chain or branched alkyl radical of from 1 to 10 carbon atoms, R.sub.13 O--groups in which R.sub.13 is as previously defined, ##STR20## groups in which R.sub.13 is as previously defined, hydroxyl group, or cyano groups;
• and n is zero or a positive number;
• and
• (b) at least one alkenylphenol derivative selected from the groups consisting of compounds having the formula ##STR21## where R.sub.11 is a hydrogen atom;
• or halogen atom;
• or straight-chain or branched alkyl radical of from 1 to 10 carbon atoms;
• or phenyl radical;
• or substituted phenyl radical having one or more substituents selected from halogen atoms, straight-chain or branched alkyl radicals of from 1 to 10 carbon atoms, R.sub.13 O--groups in which R.sub.13 is as previously defined, ##STR22## groups in which R.sub.13 is as previously defined, hydroxyl groups, or cyano groups;
• X is a hydrogen atom;
• or a halogen atom;
• or a carboxyl group;
• or an ##STR23## group in which R.sub.13 is as previously defined;
• or a R.sub.13 O--group in which R.sub.13 is as previously defined;
• or a cyano group;
• Y is a hydroxyl group;
• or a R.sub.13 O--group in which R.sub.13 is as previously defined;
• or a glycidyloxy group;
• or an aryloxy group;
• or a substituted aryloxy group having one or more substituents selected from halogen atoms or straight-chain or branched alkyl radicals of from 1 to 5 carbon atoms;
• or a propargyloxy group;
• or a substituted propargyloxy group having one or more substituents selected from halogen atoms or straight-chain or branched alkyl radicals of from 1 to 5 carbon atoms;
• or an ##STR24## group in which R.sub.14 is an aliphatic radical of from 1 to 20 carbon atoms;
• or an aromatic radical;
• and m.sub.1 and m.sub.2 are positive integers and the sum of m.sub.1 +m.sub.2 has the value of 5.