Method and device for producing rubber adhesive
A technology for rubber adhesives and production devices, applied in the directions of adhesives, adhesive types, conjugated diene adhesives, etc., can solve problems such as human health hazards, and achieve convenient sub-packaging operations, strong water resistance and corrosion resistance. , good effect of environmental protection
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Example Embodiment
[0038] Example 1
[0039] A method for producing a rubber adhesive, the rubber adhesive is a double-ended hydroxyl polystyrene-butadiene liquid rubber adhesive, and the production method comprises the following steps:
[0040] S1 Lithium Initiator Synthesis:
[0041] S1-1: The reaction vessel is continuously evacuated, filled with argon, baked for 3 times to discharge water and air, the baking temperature is 55°C, and then filled with argon to maintain an argon atmosphere, and the temperature is kept at 22°C;
[0042] S1-2: in parts by weight, add 1 part of tert-butyldimethylsilyl chloride, 1.25 parts of imidazole and 2.75 parts of cyclohexane to the reaction vessel, mix and stir for 1 h, the stirring speed is 100 rpm, and the stirring mode is magnetic stirring, Then, 0.5 part of 3-chloro-1-propanol was added dropwise to the reaction vessel, and the dropwise addition was continued for 1 hour.
[0043] S1-3: Add 3.3 parts by weight of lithium flakes to the intermediate soluti...
Example Embodiment
[0048] Example 2
[0049] This embodiment is basically the same as Embodiment 1, and the difference lies in that the temperature control in step S1-1 is different.
[0050] S1 Lithium Initiator Synthesis:
[0051] S1-1: The reaction vessel was continuously evacuated, filled with argon, and baked three times to discharge water and air, and the baking temperature was 60°C, and then filled with argon to maintain an argon atmosphere, and the temperature was kept at 25°C.
Example Embodiment
[0052] Example 3
[0053] This example is basically the same as Example 1, and the difference lies in that the composition ratio of the intermediate solution in step S1-2 is different.
[0054] S1-2: in parts by weight, add 1 part of tert-butyldimethylsilyl chloride, 1.5 parts of imidazole and 2.5 parts of cyclohexane to the reaction vessel, mix and stir for 1h, the stirring speed is 150rpm, and the stirring mode is magnetic stirring, Then, 0.5 part of 3-chloro-1-propanol was added dropwise to the reaction vessel for 1 hour, the temperature was raised to 45°C and the reaction was stirred for 3 hours, and then allowed to stand for 7 hours.
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