Methyl tetrahydrophthalic anhydride (MTHPA) is an important intermediate in electronic information materials, medicine, pesticides, resins, and defense industries. It has the characteristics of low melting point, low toxicity, low volatility and so on, easy to use, high reactivity with epoxy resin, good miscibility, epoxy resin curing material using the curing agent has excellent electrical insulation and mechanical properties
