Ethylene/alpha-olefin/functionalized styrene derivative terpolymer and preparation method thereof
A technology of terpolymer and styrene, which is applied in the field of functional polymer materials, can solve the problems of poor interface bonding performance and difficult blending, and achieve excellent performance, improve poor blending performance, and better effect Effect
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Embodiment 1
[0034] Ethylene / α-olefin / functionalized styrene derivative terpolymer: under nitrogen protection, add 5ml of toluene solution to reactor 1, add 20μmol rare earth catalyst (C 5 Me 4 SiMe 3 )Sc(CH 2 SiMe 3 ) 2 (THF) and an equimolar amount of organoboron reagent [Ph 3 C][B(C 6 f 5 ) 4 ], and reacted for 5 minutes at 25°C to obtain a rare earth catalyst system. Under the protection of nitrogen, add 45ml of toluene solution, 1mmol of p-dimethylaminostyrene, and 5mL of 1-butene into the reactor 2, connect the continuous input of ethylene gas, keep the constant pressure, and turn on the stirring to make it evenly stirred. Add the rare earth catalyst system in Reactor 1 to Reactor 2, stir and react at 25°C for 1 min, add a small amount of methanol to terminate the reaction, wash with a large amount of methanol, and dry in vacuum to obtain ethylene / 1-butene / p-dimethylaminobenzene Ethylene terpolymer. The polymer structure and property analysis results are as follows: in mole...
Embodiment 2
[0036] Ethylene / α-olefin / functionalized styrene derivative terpolymer: under nitrogen protection, add 10ml pentane solution to reactor 1, add 20μmol rare earth catalyst (C 5 Me 4 SiMe 3 )Sc(CH 2 SiMe 3 ) 2 (THF) and equimolar amounts of organoboron reagent [PhMe 2 NH][B(C 6 f 5 ) 4 ], reacted at -25°C for 30 minutes to obtain a rare earth catalytic system. Under the protection of nitrogen, add 45ml of pentane solution, 1mmol of m-diethylaminostyrene, and 10mL of 1-pentene into the reactor 2, connect to the continuous input of ethylene gas, keep constant pressure, and start stirring to make it evenly stirred. Add the rare earth catalyst system in Reactor 1 to Reactor 2, stir and react at -25°C for 240 minutes, add a small amount of methanol to terminate the reaction, wash with a large amount of methanol, and dry in vacuum to obtain ethylene / 1-pentene / m-diethylamino Styrene terpolymer. The analysis results of the polymer structure and properties are as follows: by mole...
Embodiment 3
[0038] Ethylene / α-olefin / functionalized styrene derivative terpolymer: under nitrogen protection, add 5ml hexane solution to reactor 1, add 20μmol rare earth catalyst (C 5 h 5 )Nd(CH 2 C 6 h 4 NMe 2 -o) 2 and an equimolar amount of organoboron reagent [PhMe 2 NH][B(C 6 f 5 ) 4 ], reacted at 0°C for 20 minutes to obtain a rare earth catalyst system. Under the protection of nitrogen, add 45ml of hexane solution, 5mmol of p-dianilinostyrene, and 15mL of 1-hexene into the reactor 2, connect the continuous input of ethylene gas, keep the constant pressure, and start the stirring to make it evenly stirred. Add the rare earth catalyst system in Reactor 1 to Reactor 2, stir and react at 0°C for 180 minutes, add a small amount of ethanol to terminate the reaction, wash with a large amount of ethanol, and dry in vacuum to obtain ethylene / 1-hexene / p-dianilinobenzene Ethylene terpolymer. The analysis results of polymer structure and properties are as follows: by mole percentage...
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