Photocurable maleic anhydride tung oil acrylic resin and preparation method thereof
A technology of acrylic resin and tung oil pentaacrylic acid, which can be used in ink, organic chemistry, household utensils, etc. It can solve the problems of reducing hazards, corrosion, toxicity, etc., and achieve the effect of easy degradation, excellent hardness and flexibility
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[0006] 1. First, tung oil is hydrolyzed under high pressure to obtain α-tungoleic acid.
[0007] 2. Addition reaction of 2mol maleic anhydride (or fumaric acid) and 1mol α-manoleic acid conjugated double bond at a reaction temperature of 200-240°C can produce cis (or trans)butenediolic acid .
[0008] 3. Then use 4~5mol hydroxyethyl acrylate (HEA) or hydroxypropyl acrylate (HPA) or hydroxyethyl methacrylate (HEMA) or hydroxypropyl methacrylate (HPMA) to esterify the added oleic acid Chemical reaction, the reaction temperature is 160 ~ 200 ℃, after the reaction is complete, several kinds of highly active maleic anhydride tung oil pentaacrylic acid photocurable resin with 4 to 5 functionalities are obtained.
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