FIELD: chemistry.
SUBSTANCE: resin contains methyl nadic anhydride and/or hydrogenated methyl nadic anhydride and imidazole of formula 
, where R1, R2, R3 and R4 are given in claim 1.
EFFECT: obtained resin has significantly higher glass transition temperature with high quality mechanical characteristics and tracking resistance.
3 dwg, 7 cl, 1 ex
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