High-wear-resistance polyphenylene sulfide magnetic material and preparation method thereof
A technology of polyphenylene sulfide and magnetic materials, applied in the field of functional plastics, can solve problems such as being susceptible to mechanical wear, deformation of magnetic products, and increased use costs, and achieve the effects of avoiding equipment shutdown, prolonging service life, and low wear rate
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Embodiment 1
[0033] First, weigh 15.3 parts of PPS resin, 55 parts of ferrite magnetic powder, 0.6 parts of silane coupling agent KH-550, 12 parts of PTFE micropowder, 3 parts of nanoparticle MoS2, 1.3 parts of antioxidant Ciba 168, 1.4 parts of polysilicon Oxane and 1.4 parts of phthalate plasticizer; 55 parts of ferrite magnetic powder were soaked in ethanol solution of silane coupling agent for 6 hours, and then placed in an oven at 110 ° C for drying; Hot internal mixer and twin-screw extruder, the modified ferrite magnetic powder and 13.75 parts of PPS resin are alternately put into the internal mixer for internal mixing, the total amount of materials is 5±0.5Kg, and the total mixing time is 5±2 minutes , to produce magnetic masterbatch with a magnetic powder content of 80%; finally, the remaining 1.55 parts of PPS resin, PTFE micropowder, nano-particle MoS2, plasticizer, antioxidant and lubricant are mixed at high speed and then added to the dual-feed through the main feeding port. S...
Embodiment 2
[0035] First, weigh 13.5 parts of PPS resin, 50 parts of ferrite magnetic powder, 0.5 part of silane coupling agent KH-550, 10 parts of PTFE fine powder, and 3 parts of nanoparticle Si 3 N 4 , 1 part of antioxidant Ciba 1010, 1 part of long-chain unsaturated fatty acid salt lubricant, 1 part of phosphate ester plasticizer; 50 parts of ferrite magnetic powder were soaked in ethanol solution of silane coupling agent for 6 hours After that, it was dried in an oven at 110 °C; secondly, the internal mixer and twin-screw extruder were preheated, and the modified ferrite magnetic powder and 8.8 parts of PPS resin were alternately put into the internal mixer for internal mixing. The total amount of feeding materials is 5±0.5Kg, and the total mixing time is 5±2 minutes, and the magnetic masterbatch with a magnetic powder content of 85% is produced; finally, the remaining 4.7 parts of PPS resin, PTFE micropowder, nanoparticle Si 3 N 4 , plasticizers, antioxidants and lubricants are mi...
Embodiment 3
[0037] First, weigh 15.35 parts of PPS resin, 55 parts of anisotropically bonded RuFeB magnetic powder, 0.6 parts of silane coupling agent KH-550, 12 parts of PTFE micropowder, and 3 parts of nanoparticle SiO 2 , 1.3 parts of antioxidant Ciba 195, 1.4 parts of ethylene stearamide lubricant and 1.4 parts of fatty acid ester plasticizer; put 55 parts of anisotropically bonded RuFeB magnetic powder in ethanol solution of silane coupling agent After soaking for 8 hours, it was placed in an oven at 110 °C for drying; secondly, the internal mixer and twin-screw extruder were preheated, and the modified anisotropically bonded RuFeB magnetic powder and 13.75 parts of PPS resin were alternately put into Mixing in an internal mixer, the total amount of materials is 5±0.5Kg, the total mixing time is 5±2 minutes, and the magnetic masterbatch with a magnetic powder content of 80% is produced; finally, the remaining 1.6 parts of PPS resin, PTFE micropowder, nanoparticle SiO 2 , plasticizers...
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