Preparation method of rubber softener
A technology of rubber softener and emulsifier, which is applied in the direction of building components, building insulation materials, construction, etc. It can solve the problems of reducing rubber viscosity, reducing shear force, and reducing the performance of rubber products, so as to increase the dispersion density and improve compliance. Sex, the effect of increasing the shear force
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Embodiment 1
[0030] Vegetable oils are: soybean oil
[0031] The waterborne monomer is: trimellitic anhydride
[0032] Co-solvent: ethylene glycol monobutyl ether
[0033] Preparation of Alkyd Emulsifier:
[0034] In parts by weight, add 60 parts of vegetable oil, 4 parts of lithium hydroxide, and 5 parts of trihydroxyethylamine into the reaction kettle, heat up to 50°C, start the stirrer to stir and mix at a speed of 200r / min, and then add to the reaction kettle Add 30 parts of glycerin to the kettle, heat and stir for 3 hours to obtain alcoholysis oil;
[0035] In parts by weight, add the above-mentioned 40 parts of alcoholysis oil, 10 parts of trimethylolpropane, 10 parts of epoxidized soybean oil and 80 parts of xylene into a four-necked flask, and heat the oil bath to 180 °C under the protection of nitrogen. Finally, start the agitator, insulate and stir at a speed of 300r / min, react for 2h, and obtain the secondary alcoholysis product;
[0036] In terms of parts by weight, contin...
Embodiment 2
[0042] Vegetable oil is: peanut oil
[0043] The waterborne monomer is: maleic anhydride
[0044] Co-solvent: propylene glycol monobutyl ether
[0045] Preparation of Alkyd Emulsifier:
[0046] In parts by weight, add 62 parts of vegetable oil, 4 parts of lithium hydroxide, and 7 parts of trihydroxyethylamine to the reaction kettle, heat up to 55°C, start the agitator to stir and mix at a speed of 250r / min, and then add to the reaction Add 32 parts of glycerin to the kettle, heat and stir the reaction for 3.5 hours, and obtain the alcoholysis oil;
[0047] In parts by weight, add the above-mentioned 45 parts of alcoholysis oil, 15 parts of trimethylolpropane, 11 parts of epoxidized soybean oil and 90 parts of xylene into a four-necked flask, and heat the oil bath to 190 °C under the protection of nitrogen. Finally, start the agitator, insulate and stir with a rotating speed of 320r / min, react for 2.5h, and obtain the secondary alcoholysis product;
[0048] In terms of part...
Embodiment 3
[0054] The vegetable oil is: castor oil
[0055] The water-based monomer is: acrylic acid
[0056] Co-solvent: propylene glycol monobutyl ether
[0057] Preparation of Alkyd Emulsifier:
[0058] In parts by weight, add 65 parts of vegetable oil, 5 parts of lithium hydroxide, and 8 parts of trihydroxyethylamine into the reaction kettle, heat up to 60°C, start the stirrer to stir and mix at a speed of 300r / min, and then add to the reaction kettle Add 35 parts of glycerin to the kettle, heat and stir for 4 hours to obtain alcoholysis oil;
[0059] In parts by weight, add the above-mentioned 50 parts of alcoholysis oil, 20 parts of trimethylolpropane, 12 parts of epoxidized soybean oil and 100 parts of xylene into a four-necked flask, and heat the oil bath to 200 °C under the protection of nitrogen. Finally, start the agitator, insulate and stir with a rotating speed of 350r / min, react for 3h, and obtain the secondary alcoholysis product;
[0060] In terms of parts by weight, ...
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