Glycidol ether containing cyclohexyl binary ether alcohol and preparation method thereof
A technology of cyclohexyl dibasic ether alcohol and glycidyl ether, which is applied in the direction of epoxy resin glue, epoxy resin coating, adhesive type, etc., and can solve the problems of undisclosed synthesis process information, undisclosed control process parameters, etc. , to achieve the effect of increasing strength, good flexibility and improving performance
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Embodiment 1
[0026] Add 62g of ethylene glycol and 0.31g of boron trifluoride complex catalyst into the reactor, stir; dropwise add 196g of epoxycyclohexane in a water bath at 40°C, and dropwise add 2 hours; then raise the temperature to 50°C and keep warm Reaction 2h;
[0027] Add 0.16g of catalyst boron trifluoride complex to the reactor, then add 185g of epichlorohydrin dropwise, the dropping temperature is controlled at 50°C, and the dropwise addition is completed in 3h; the temperature is controlled at 70°C, and the reaction is kept for 3h;
[0028] Get the potassium hydroxide solution 1121g of 10% concentration and add dropwise in reactor, (temperature is controlled at 40 ℃, and dropwise time is 1h; After dripping, insulation reaction 4h; Filter, wash with water, dehydration and evaporate solvent afterwards, obtain ethyl alcohol Glycol and epoxy cyclohexane add polyether alcohol glycidyl ether product, and the product yield calculated by ethylene glycol is 96%.
[0029] The viscosit...
Embodiment 2
[0031] (a) Add 76g of 1,2-propanediol and 0.76g of boron trifluoride complex catalyst into the reactor, stir, and blow nitrogen; add 98g of epoxycyclohexane dropwise in a water bath at 50°C; 2h is added dropwise; after that Raise the temperature to 70°C and keep it warm for 3 hours;
[0032] (b) Add 0.20 g of catalyst boron trifluoride complex to the reactor, and then dropwise add 231 g of epichlorohydrin, the dropping temperature is controlled at 60° C., and the dropping is completed within 2 hours. Control the temperature at 60°C, and keep it warm for 4 hours;
[0033] (c) Get 293g of sodium hydroxide solution of 30% concentration and add dropwise in the reactor, (the temperature is controlled at 60°C, and the time for dropping is 2h; the temperature is controlled at 60°C) and reacted for 3h after dropping; after that, filter, wash with water, After dehydration, the product 1,2-propanediol and epoxycyclohexane plus polyether alcohol glycidyl ether is obtained, and the produ...
Embodiment 3
[0036] (a) Add 76g of 1,3-propanediol and 0.45g of boron trifluoride complex catalyst into the reactor, stir and blow nitrogen. 147 g of epoxycyclohexane was added dropwise in a water bath at 45°C. 2h dropwise addition is complete. Afterwards, the temperature was raised to 65° C., and the reaction was kept for 3 hours.
[0037] (b) Add 0.15 g of catalyst boron trifluoride complex to the reactor, and then dropwise add 204 g of epichlorohydrin. The dropping temperature is controlled at 60° C., and the dropping is completed within 2 hours. The temperature was controlled at 70°C, and the reaction was kept for 3 hours.
[0038] (c) Take 100.2 g of calcium carbonate powder and add it dropwise to the reactor, and react for 4 hours after the drop is completed. After filtering, washing with water and dehydration, the product 1,3-propanediol and epoxycyclohexane plus polyether alcohol glycidyl ether is obtained, and the product yield is 91% based on 1,3-propanediol.
[0039] The vis...
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