A kind of nylon composite material toughened by amino-functionalized polyolefin elastomer and preparation method thereof
A polyolefin elastomer and nylon composite material technology is applied in the field of polymer composite materials to achieve the effects of simple process, excellent stiffness and good tensile strength
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preparation example 1
[0020] Synthesis steps of amino-functionalized polyolefin elastomer: adopt cationic metallocene coordination polymerization method, add 80g of octene and 30g of allylamine to 1L of alkane mixed solvent, make a solution with a concentration of 1g / 10ml, and then add it to the reaction In the kettle, after heating up to 120°C, ethylene gas was introduced to control the pressure inside the kettle to 2.5MPa. Add 1 mg of the main catalyst dimethylsilyl-tert-butylaminoindenyl titanium dichloride and 0.25 ml of the co-catalyst 10 wt % methylalumoxane toluene solution into the reactor, stir and react for 15 minutes to obtain a reactant solution, and transfer the reaction solution to The solid was precipitated in absolute ethanol, filtered and dried to obtain an amino-functionalized polyolefin elastomer with an insertion rate of the amino-functionalized monomer used in Examples 1-5 of 5 wt%.
preparation example 2
[0022] Synthesis steps of amino-functionalized polyolefin elastomer: adopt cationic metallocene coordination polymerization method, add 90g of octene and 10g of allylamine to 1L of alkane mixed solvent, make a solution with a concentration of 1g / 10ml, and then add it to the reaction In the kettle, after heating up to 120°C, ethylene gas was introduced to control the pressure inside the kettle to 2.5MPa. Add 1 mg of the main catalyst dimethylsilyl-tert-butylaminoindenyl titanium dichloride and 0.25 ml of the co-catalyst 10 wt % methylalumoxane toluene solution into the reactor, stir and react for 15 minutes to obtain a reactant solution, and transfer the reaction solution to The solid was precipitated in absolute ethanol, filtered and dried to obtain an amino-functionalized polyolefin elastomer with an insertion rate of the amino-functionalized monomer used in Example 6 of 2 wt%.
preparation example 3
[0024] Synthesis steps of amino-functionalized polyolefin elastomer: adopt cationic metallocene coordination polymerization method, add 75g of octene and 25g of allylamine to 1L of alkane mixed solvent, make a solution with a concentration of 1g / 10ml, and then add it to the reaction In the kettle, after heating up to 120°C, ethylene gas was introduced to control the pressure inside the kettle to 2.5MPa. Add 1 mg of the main catalyst dimethylsilyl-tert-butylaminoindenyl titanium dichloride and 0.25 ml of the co-catalyst 10 wt % methylalumoxane toluene solution into the reactor, stir and react for 15 minutes to obtain a reactant solution, and transfer the reaction solution to The solid was precipitated into absolute ethanol, filtered and dried to obtain an amino-functionalized polyolefin elastomer with an insertion rate of the amino-functionalized monomer used in Example 7 of 4 wt%.
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