Wollastonite/polypropylene composite material and preparation method thereof
A technology of composite materials and wollastonite, which is applied in the field of high-strength and high-flow anti-impact wollastonite/polypropylene composite materials and its preparation, can solve the problems of poor fluidity and mechanical properties of composite materials, and improve impact resistance , Shorten modification time and improve fluidity
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Embodiment 1
[0040] 100Kg nano-calcium carbonate coated wollastonite (length-to-diameter ratio 12:1), 1Kg suberic acid is used for surface treatment of wollastonite in CLG-200D powder surface modification machine (treatment temperature: 150°C, treatment time 10min). Then the treated nano-calcium carbonate coated wollastonite, PP (EA5076), POE, polyethylene wax according to the ratio of PP / POE / wollastonite / polyethylene wax=70:10:20:0.4 Extrusion granulation is carried out on the extruder, and then injection molded into a standard sample for a series of performance tests.
Embodiment 2
[0042] 100Kg nano-calcium carbonate coated wollastonite (length-to-diameter ratio 16:1), 1Kg suberic acid is used for surface treatment of wollastonite in CLG-200D powder surface modification machine (treatment temperature: 150°C, treatment time 10min). Then the treated nano-calcium carbonate coated wollastonite, PP (EA5076), POE, polyethylene wax according to the ratio of PP / POE / wollastonite / polyethylene wax=70:10:20:0.4 Extrusion granulation is carried out on the extruder, and then injection molded into a standard sample for a series of performance tests.
Embodiment 3
[0044] 100Kg nano-calcium carbonate coated wollastonite (length-to-diameter ratio 12:1), 1Kg phthalic acid in CLG-200D powder surface modification machine for surface treatment of wollastonite (treatment temperature: 150 ° C, treatment time 10min). Then the treated nano-calcium carbonate coated wollastonite, PPEA (5076), POE, and polyethylene wax are proportioned according to the mass and number of PP / POE / wollastonite / polyethylene wax=70:10:20:0.4 Extrusion granulation is carried out on the extruder, and then injection molded into a standard sample for a series of performance tests.
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