Inorganic sol spinning forming method without assistance of polymer template
A technology of inorganic sol and forming method, which is applied in filament/thread forming, textile and papermaking, fiber treatment, etc. It can solve problems such as fiber structure defects, poor fiber uniformity, and thick diameter, so as to realize continuous production and ensure fine Effect of diameter and height uniformity
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Embodiment 1
[0075] refer to figure 1 , figure 2, an inorganic sol spinning molding method without the assistance of a polymer template, specifically: first, add an appropriate amount of deionized water to the precursor solution containing aluminum sec-butoxide, acetylacetone and sec-butanol solvents and carry out vacuum distillation , the precursor solution is transformed into an inorganic aluminum sol without polymer template after hydrolysis and polycondensation, which has shear-thinning non-Newtonian fluid characteristics, a branching degree of 0.15, a polymerization degree of 250, an electrical conductivity of 30 μC / cm, and a surface tension of The viscosity is 43mN / m, the viscosity is 260mPa·s, and the stable storage time is up to 32 days. The inorganic aluminum sol without polymer template was extruded from the top-down slit nozzle device 1 at a rate of 1 mL / h, and was drawn into a spinning jet under the condition of an applied voltage of 30 kV. Subsequently, the inorganic alumin...
Embodiment 2
[0082] refer to figure 1 , figure 2 , an inorganic sol spinning molding method without the assistance of a polymer template, specifically: first, add an appropriate amount of deionized water to the precursor solution containing zirconium isopropoxide, acetic acid and isopropanol solvent and carry out vacuum distillation, The precursor solution is transformed into inorganic zirconium sol without polymer template after hydrolysis and polycondensation, which has the characteristics of shear thinning non-Newtonian fluid, the degree of branching is 0.2, the degree of polymerization is 230, the conductivity is 26 μC / cm, and the surface tension is 38mN / m, viscosity 310mPa·s, stable storage time up to 35 days. The inorganic zirconium sol without polymer template was extruded from the top-down slit nozzle device 1 at a rate of 50 mL / h, and was drawn into a spinning jet under the condition of an applied voltage of 50 kV. Subsequently, the inorganic zirconium sol jet 2 passes through ...
Embodiment 3
[0085] refer to figure 1 , figure 2 , an inorganic sol spinning molding method without the assistance of a polymer template, specifically: first, add an appropriate amount of deionized water to the precursor solution containing titanium isopropoxide, hydrochloric acid, acetic acid and isopropanol solvents and decompress Distillation, the precursor solution is transformed into inorganic titanium sol without polymer template after hydrolysis and polycondensation, which has the characteristics of shear thinning non-Newtonian fluid, the degree of branching is 0.18, the degree of polymerization is 300, the conductivity is 28μC / cm, and the surface The tension is 40mN / m, the viscosity is 360mPa·s, and the stable storage time is up to 28 days. The inorganic titanium sol without polymer template was extruded from the top-down slit nozzle device 1 at a rate of 100 mL / h, and was drawn into a spinning jet under the condition of an applied voltage of 100 kV. Subsequently, the inorganic ...
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