Air-drying chemical corrosion resistant unsaturated resin and production process thereof
A chemical corrosion-resistant, unsaturated technology, applied in the field of thermosetting liquid resin production, can solve the problems of reduced adhesion, clarity and gloss, difficult to control the production process, unsuitable for industrial production, etc., and achieve excellent mechanical properties and chemical corrosion resistance. , Avoid scrapping accidents and improve process safety
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Embodiment 1
[0030] Take 12kg maleic anhydride and 18kg propylene glycol into the reaction kettle, stir evenly, heat up to 190°C, react until the acid value is 100mgKOH / g, add 0.5kg glycerol, continue the reaction until the acid value is 60mgKOH / g, and react under reduced pressure to The acid value is 40mgKOH / g, cool down to 180°C, add 0.007kg of hydroquinone, stir evenly, pour the material into a reaction kettle with 22kg of styrene, stir well, cool down to room temperature, and obtain product X;
[0031] Take 5kg of glycerin diallyl ether, 10kg of prepolymer containing isocyanate groups, 0.002kg of dibutyltin dilaurate, and 0.007kg of hydroquinone into the reaction kettle, stir evenly, keep the temperature at 80°C, and react until the hydroxyl value is 10mgKOH / g, after the reaction is completed, the temperature is cooled to room temperature, and the product Y is obtained;
[0032] Add the above-mentioned product X, product Y and 0.007kg of hydroquinone into the reaction kettle, stir eve...
Embodiment 2
[0034] Take 39kg of fumaric acid, 40kg of diethylene glycol, dipropylene glycol and diethylene glycol mixture into the reaction kettle, stir evenly, heat up to 220°C, react until the acid value is 90mgKOH / g, add 5kg Trimethylolpropane, continue the reaction until the acid value is 50mgKOH / g, react under reduced pressure to the acid value 30mgKOH / g, cool down to 180°C, add 0.03kg tert-butylhydroquinone, stir evenly and pour the material into Add 45kg of divinylbenzene to the reaction kettle, stir evenly, cool down to room temperature, and obtain product X;
[0035] Get the mixture of 20kg trimethylolpropane diallyl ether, 30kg toluene diisocyanate and diphenylmethane diisocyanate, 0.3kg stannous octoate, 0.03kg tert-butyl hydroquinone into the reaction kettle, stir evenly, Keep the temperature at 120°C, react until the hydroxyl value is 8 mgKOH / g, cool down to room temperature after the reaction, and obtain the product Y;
[0036] Add the above-mentioned product X, product Y a...
Embodiment 3
[0038] Take a mixture of 26kg fumaric acid, 29kg dihydric aromatic alcohol and D-3,3 diol into the reaction kettle, stir evenly, heat up to 200°C, react until the acid value is 80mgKOH / g, add 3kg trimethylolpropane Continue the reaction with the mixture of pentaerythritol until the acid value is 40mgKOH / g, and react under reduced pressure to the acid value of 20mgKOH / g, cool down to 180°C, add 0.018kg of a mixture of tert-butylcatechol and p-methoxyphenol, and stir evenly Finally, the material was poured into a reaction kettle in which 33 kg of vinyl toluene, methyl methacrylate and triallyl cyanurate mixture had been added, stirred evenly, cooled to room temperature, and product X was obtained;
[0039] Take the mixture of 13kg trimethylolpropane diallyl ether and pentaerythritol diallyl ether, the mixture of 20kg hexamethylene diisocyanate and toluene diisocyanate trimer, 0.1kg stannous octoate, 0.018kg tert-butyl ophthalmic acid Add the mixture of diphenol and p-methoxyphen...
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