Method for preparing polyether-ether-ketone aqueous dispersion
An aqueous dispersion and polyetheretherketone technology, which is applied in the field of preparation of polyetheretherketone aqueous dispersions, can solve the problems of difficult impregnation of dense carbon fiber tow, high melt viscosity of polyetheretherketone, and impact on application value, etc. To achieve the effect of improving compatibility, improving tensile strength and excellent performance
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Embodiment 1
[0021] A kind of preparation method of polyetheretherketone aqueous dispersion liquid, its specific scheme is as follows:
[0022] According to the number of parts by mass, add 40 parts of dimethylformamide into the reaction kettle, then add 25 parts of polyether ether ketone superfine powder into the reaction kettle under stirring, and add 5 parts of iodine-containing Add the surface modifier to the reaction kettle, control the temperature at 50°C, and stir for 30 minutes; dissolve 0.1 parts of thickener and 0.8 parts of polyethylene glycol 600 into 120 parts of pure water, then add them to the reaction kettle, and stir After mixing evenly, transfer to a high-speed disperser to disperse for 30 minutes to obtain the polyether ether ketone aqueous dispersion.
[0023] The thickener is xanthan gum.
[0024] The D90 of the polyetheretherketone superfine powder is not greater than 25 μm.
[0025] Described iodine-containing surface modifier is prepared according to the following...
Embodiment 2
[0031] A kind of preparation method of polyetheretherketone aqueous dispersion liquid, its specific scheme is as follows:
[0032] According to the number of parts by mass, 50 parts of dimethylformamide are added to the reaction kettle, and then 35 parts of polyetheretherketone superfine powder are added to the reaction kettle under stirring, and after stirring for 15 minutes, 8 parts of iodine-containing Add the surface modifier to the reaction kettle, control the temperature at 60°C, and stir for 40 minutes; dissolve 0.3 parts of thickener and 2.6 parts of polyethylene glycol 600 into 130 parts of pure water, then add them to the reaction kettle, and stir After mixing evenly, transfer to a high-speed disperser to disperse for 40 minutes to obtain the polyether ether ketone aqueous dispersion.
[0033] The thickener is polyvinylpyrrolidone.
[0034] The D90 of the polyetheretherketone superfine powder is not greater than 25 μm.
[0035] Described iodine-containing surface m...
Embodiment 3
[0041] A kind of preparation method of polyetheretherketone aqueous dispersion liquid, its specific scheme is as follows:
[0042] According to the number of parts by mass, add 60 parts of dimethylformamide into the reaction kettle, then add 45 parts of polyether ether ketone superfine powder into the reaction kettle under stirring, and add 10 parts of iodine-containing Add the surface modifier to the reactor, control the temperature at 70°C, and stir for 60 minutes; dissolve 0.5 parts of thickener and 4.6 parts of polyethylene glycol 600 into 150 parts of pure water, then add them to the reactor, and stir After mixing evenly, transfer to a high-speed disperser to disperse for 60 minutes to obtain the polyether ether ketone aqueous dispersion.
[0043] Described thickening agent is hydroxypropyl cellulose.
[0044] The D90 of the polyetheretherketone superfine powder is not greater than 25 μm.
[0045] Described iodine-containing surface modifier is prepared according to the...
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