Patent ID: 11897997
Assignee: ADITYA BIRLA CHEMICALS (THAILAND) LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 1:
2. The modified epoxy resin as claimed in claim 1, wherein the modified epoxy resin is a reaction product obtained by fusing in the presence of an advancement catalyst:
a. dicyclopentadiene-phenolic adduct having the formula (II):, wherein:
R3 and R4 are independently H, alkyl group, branched alkyl group, alkoxy group, or substituted biaryl group; R4 and R3 optionally forming a fused aromatic ring or a fused hetero aromatic ring;
n is 0 to 1, wherein concentration of n=0 monomer is greater than 75%;

b. diglycidyl derivative having the formula (III a) or (III b):, wherein
R1 and R2 are independently alkyl group having 1 to 32 C atoms, branched alkyl group having 1 to 32 C atoms, cyclo-aliphatic group, substituted cycloaliphatic group, aromatic group, substituted aromatic group, biarylene or alkyl substituted biarylene group, cycloaliphatic-aromatic group or arylene-Z-arylene group;
X and Y are independently 0, —C(O)O—, or an amine group;
Z is dicyclopentadiene.