Preparation method of molybdenum disulfide-nickel phosphorus-polytetrafluoroethylene composite material
A polytetrafluoroethylene and composite material technology is applied in the field of preparation of molybdenum disulfide-nickel phosphorus-polytetrafluoroethylene composite material, which can solve the problem that the synergistic particles are difficult to uniformly disperse, the preparation process is complicated, and the polytetrafluoroethylene reduces friction. It can reduce the problems such as lowering the property, and achieve the effects of low preparation cost, simple molding process and low wear rate.
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[0040] A kind of preparation method of molybdenum disulfide-nickel phosphorus-polytetrafluoroethylene composite material, it specifically comprises the following steps:
[0041] S1. Plasma treatment is performed on the polytetrafluoroethylene powder, and after irradiating for 60-120s, place it in the air and let it stand for 15-30 minutes;
[0042] S2, polytetrafluoroethylene powder for sensitization and activation treatment:
[0043] S21, prepare tin protochloride sensitization solution, dissolve tin protochloride with concentrated hydrochloric acid at room temperature, add deionized water, the mass ratio of deionized water, stannous chloride and concentrated hydrochloric acid is 100:1:1, stir to obtain SnCl sensitizing solution,
[0044] S22, prepare palladium chloride activation solution, be 1:1000 configuration hydrochloric acid solution with the mass ratio of concentrated hydrochloric acid and deionized water, join palladium chloride in the hydrochloric acid solution, th...
Embodiment 1
[0065] S1, carry out plasma treatment to polytetrafluoroethylene powder, carry out plasma treatment to polytetrafluoroethylene powder with HD-1A type plasma treatment instrument, the radio frequency generator of plasma treatment instrument is 13.56MHz, power is 500W, at first put 5g of polytetrafluoroethylene powder to be treated is evenly spread on the stage between the two electrodes in the reaction chamber of the plasma processor. The distance between the two electrodes is adjusted to 15mm in advance, and the two ends of the reaction chamber are respectively connected to the vacuum pump and the air intake system. ; After starting the vacuum pump, keep the working pressure of the reaction chamber at about 5Pa, and then pass in air for 5 minutes at a rate of 150mL / min; after the pressure in the reaction chamber is stabilized, start the high-frequency power supply, The vinyl fluoride powder is irradiated for 60 seconds to make C=C bonds on the surface to facilitate the subseque...
Embodiment 2
[0085] S1, carry out plasma treatment to polytetrafluoroethylene powder, carry out plasma treatment to polytetrafluoroethylene powder with HD-1A type plasma treatment instrument, the radio frequency generator of this plasma treatment instrument is 13.56MHz, power is 500W, at first Spread 5g of polytetrafluoroethylene powder to be treated evenly on the stage between the two electrodes in the reaction chamber of the plasma processor. The distance between the two electrodes is adjusted to 15mm in advance. connected; after starting the vacuum pump, keep the working pressure of the reaction chamber at about 5Pa, and then introduce air for 5 minutes at a rate of 150mL / min; after the pressure in the reaction chamber is stabilized, start the high-frequency power supply to Tetrafluoroethylene powder is irradiated for 60s, so that C=C bonds are formed on the surface to facilitate the subsequent polymerization reaction; after the plasma irradiation is completed, the radio frequency power ...
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