Modified polyphenylene ether resin, method of making the same and resin composition

A modified polyphenylene ether resin, having a structure represented by formula (I):

• RY-PPE-Z]c (I)
• wherein,
• c is an integer from 3 to 12;
• R represents a functional group having 3 to 12 phenolic hydroxyl groups;
• Y is linked with R via 0 atom of the phenolic hydroxyl groups of the R group;
• Y is selected from:
• and a combination thereof;
• wherein R28 are each independently selected from C1 to C4 alkylene;
• PPE has a structure represented by formula (II):
• wherein M is represented by formula (III) or (IV):
• N is represented by formula (V):
• wherein R1, R2, R7 and R8 are the same or different, each independently selected from halogen, C1 to C6 alkyl and phenyl;
• R3, R4, R5 and R6 are the same or different, each independently selected from hydrogen, halogen, C1 to C6 alkyl and phenyl;
• R9, R10, R11, R12, R13, R14, R15 and R16 are the same or different, each independently selected from halogen, C1 to C6 alkyl, phenyl and hydrogen;
• A is C1 to C20 linear or branched hydrocarbyl, or is C3 to C20 cyclic hydrocarbyl;
• R19 and R20 are the same or different, each independently selected from halogen, C1 to C6 alkyl and phenyl;
• R17 and R18 are the same or different, each independently selected from hydrogen, halogen, C1 to C6 alkyl and phenyl;
• a and b are each independently a positive integer from 1 to 50;
• and
• Z has the following structure:
• wherein R26 and R27 are hydrogen;
• R21, R22, R23, R24 and R25 are the same or different, each independently selected from hydrogen, halogen, C1 to C6 alkyl and halogenated C1 to C6 alkyl;
• Q represents an organic group having at least one carbon atom, the organic group selectively comprising an oxygen atom, a nitrogen atom, a sulfur atom and/or a halogen atom.