A kind of surface modification method of polyetheretherketone clamp
A polyetheretherketone, surface modification technology, applied in the direction of coating, etc., can solve the problems of large difference in molecular segment activity and surface energy, low bonding performance of fluorosilicone rubber, low surface energy, etc., and achieve good application. Prospects, enhanced wettability, improved adhesion effects
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Embodiment 1
[0046] The injection-molded polyetheretherketone clamp (P type, such as figure 1 (shown) the surface was cleaned and dried, fixed on the workbench, the type of sandblasting was 200 mesh silicon carbide, and the blasting pressure was 1.5MPa to obtain a polyetheretherketone clamp after sandblasting, with a surface roughness of 24 μm; The polyether ether ketone clamp after sandblasting is rinsed in deionized water, dried in a blast drying oven, cooled to room temperature, and taken out for use; according to 10 mL of alkali per gram of sandblasted polyether ether ketone clamp The standard preparation of the aqueous alkali solution, the alkali is the mixed alkali of sodium hydroxide and sodium borohydride, the molar ratio of sodium hydroxide and sodium borohydride is 2:1.5, the concentration of the aqueous alkali solution is 0.8mol / L, the heating and mechanical stirring are turned on, The treatment temperature was 40 °C, the treatment time was 10 h, cooled to room temperature, and ...
Embodiment 2
[0048] The surface of the polyetheretherketone clamp (P type) was cleaned and dried, and then fixed on the workbench. The type of sandblasting was 200 mesh silicon carbide, and the blasting pressure was 1.5MPa to obtain the polyetheretherketone clamp after sandblasting. , the surface roughness is 24 μm; the polyetheretherketone clamp after sandblasting is rinsed in deionized water, dried in a blast drying oven, cooled to room temperature, and taken out for use; The standard preparation of 10mL alkali solution of polyetheretherketone clamps is an alkali aqueous solution. The alkali is a mixed alkali of sodium hydroxide and sodium borohydride, the molar ratio of sodium hydroxide and sodium borohydride is 2:1.5, and the concentration of the alkali aqueous solution is 0.8mol / L, turn on heating and mechanical stirring, the treatment temperature is 60°C, the treatment time is 10h, cooled to room temperature, the treated polyetheretherketone clamp is taken out, placed in dilute hydro...
Embodiment 3
[0050] The surface of the polyetheretherketone clamp (P type) was cleaned and dried, and then fixed on the workbench. The type of sandblasting was 200 mesh silicon carbide, and the blasting pressure was 1.5MPa to obtain the polyetheretherketone clamp after sandblasting. , the surface roughness is 24 μm; the polyetheretherketone clamp after sandblasting is rinsed in deionized water, dried in a blast drying oven, cooled to room temperature, and taken out for use; The standard preparation of 10mL alkali solution of polyetheretherketone clamps is an alkali aqueous solution. The alkali is a mixed alkali of sodium hydroxide and sodium borohydride, the molar ratio of sodium hydroxide and sodium borohydride is 2:1.5, and the concentration of the alkali aqueous solution is 0.8mol / L, turn on heating and mechanical stirring, the treatment temperature is 80 °C, the treatment time is 10 h, cooled to room temperature, the treated polyetheretherketone clamp is taken out, placed in dilute hyd...
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