Mixed rubber, preparation method and application thereof
A technology of rubber and polymerization reaction, applied in the field of mixed rubber and preparation, can solve problems such as complex modification methods, and achieve the effects of high gloss, simple modification process and simple process
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Embodiment 1
[0030] In a 15L stainless steel reaction kettle with a jacket, the system was replaced by argon for 3 times, 7800g of cyclohexane, 1200g of butadiene, 4g of tetrahydrofuran as a structural regulator, and 10mmol of n-butyllithium were added to the polymerization kettle, and the temperature was raised. to 45°C, polymerize for 75min, after the complete monomer conversion, raise the temperature to 50°C, add 3.3mmol of SiCl at a time 4 The coupling agent performs a coupling reaction, the reaction time is 60min, and then the material A is obtained by discharging;
[0031]In a 15L stainless steel reaction kettle with a jacket, the system was replaced by argon for 3 times, 7800g of cyclohexane, 1200g of butadiene, 4g of tetrahydrofuran as a structural regulator, and 10mmol of n-butyllithium were added to the polymerization kettle, and the temperature was raised. to 45°C, polymerize for 80 minutes, and then discharge to material B;
[0032] Mix material A and material B at room temper...
Embodiment 2
[0034] In a 15L stainless steel reaction kettle with a jacket, the system was replaced by argon for 3 times, and 7800g of cyclohexane, 1200g of butadiene, 3.8g of tetrahydrofuran as a structural regulator, and 9.5mmol of n-butyllithium were added to the polymerization kettle. , raise the temperature to 50°C, polymerize for 85 minutes, after the monomer is completely converted, raise the temperature to 55°C, add 3.2mmol of SiCl at a time 4 The coupling agent performs a coupling reaction, the reaction time is 60min, and then the material A is obtained by discharging;
[0035] In a 15L stainless steel reaction kettle with a jacket, the system was replaced by argon for 3 times, and 7800g of cyclohexane, 1200g of butadiene, 4.1g of tetrahydrofuran as a structural regulator, and 9.8mmol of n-butyllithium were added to the polymerization kettle. , heated up to 55°C, polymerized for 80 minutes, and then discharged to material B;
[0036] Mix material A and material B at room temperat...
Embodiment 3
[0038] In a 15L stainless steel reaction kettle with a jacket, the system was replaced by argon for 3 times, 7600g of cyclohexane, 1200g of butadiene, 4.1g of tetrahydrofuran as a structural regulator, and 11mmol of n-butyllithium were added to the polymerization kettle. Raise the temperature to 60°C, polymerize for 75 minutes, and raise the temperature to 65°C after the monomer is completely converted, add 3 mmol of SiCl at a time 4 The coupling agent performs a coupling reaction, the reaction time is 60min, and then the material A is obtained by discharging;
[0039] In a jacketed 15L stainless steel reaction kettle, the system was replaced by argon for 3 times, and 7800g of cyclohexane, 1200g of butadiene, 4.2g of tetrahydrofuran as a structural regulator, and 9mmol of n-butyllithium were added to the polymerization kettle. Raise the temperature to 60°C, polymerize for 80 minutes, and then discharge to material B;
[0040] Mix material A and material B at room temperature ...
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