A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Porous aerogel material, preparation method thereof and electronic cigarette atomization core
The invention belongs to the field of electronic cigarettes, and particularly relates to a porous aerogel material, a preparation method thereof and an electronic cigarette atomization core. The porous aerogel material provided by the invention is prepared by mixing silicon dioxide aerogel powder and pore-forming agent powder, pressing and heating, wherein the pore-forming agent powder comprises one or more of ammonium bicarbonate, ammonium oxalate and polymethyl methacrylate; the particle size of the pore-forming agent powder is larger than the pore diameter of the silicon dioxide aerogel powder. The porous aerogel material provided by the invention has the advantages of reasonable porosity, large specific surface area, small density and high temperature resistance through combination of nano micropores of the silicon dioxide aerogel and artificial pores. The atomization core of the electronic cigarette prepared from the material is smooth in tobacco tar supply, and can adjust the dryness and humidity of a local area, so that atomized smoke is finer and smoother; and moreover, the material has excellent temperature resistance and heat insulation performance, so that the safe use of equipment can be ensured, and peculiar smell spreading caused by high-temperature carbonization generated by over-fast local heating of the tobacco tar can be prevented.
本发明属于电子烟领域，尤其涉及一种多孔气凝胶材料及其制备方法和电子烟雾化芯。本发明提供的多孔气凝胶材料由二氧化硅气凝胶粉末和造孔剂粉末混合后再经压固和加热制成；造孔剂粉末的成分包括碳酸氢铵、草酸铵和聚甲基丙烯酸甲酯中的一种或多种；造孔剂粉末的粒径＞二氧化硅气凝胶粉末的孔径。本发明提供的多孔气凝胶材料通过二氧化硅气凝胶本身的纳米微孔与人工造孔结合，具有合理的孔隙率，比表面积大，密度小，耐高温。通过这种材料制备的电子烟雾化芯烟油供给顺畅，可实现对局部区域的干湿度调整，使雾化出的烟雾更加细腻，并且材料本身优异的耐温隔热性能，既能保证设备的安全使用，又能防止烟油局部加热过快产生高温碳化而散播异味。
Porous aerogel material, preparation method thereof and electronic cigarette atomization core
The invention belongs to the field of electronic cigarettes, and particularly relates to a porous aerogel material, a preparation method thereof and an electronic cigarette atomization core. The porous aerogel material provided by the invention is prepared by mixing silicon dioxide aerogel powder and pore-forming agent powder, pressing and heating, wherein the pore-forming agent powder comprises one or more of ammonium bicarbonate, ammonium oxalate and polymethyl methacrylate; the particle size of the pore-forming agent powder is larger than the pore diameter of the silicon dioxide aerogel powder. The porous aerogel material provided by the invention has the advantages of reasonable porosity, large specific surface area, small density and high temperature resistance through combination of nano micropores of the silicon dioxide aerogel and artificial pores. The atomization core of the electronic cigarette prepared from the material is smooth in tobacco tar supply, and can adjust the dryness and humidity of a local area, so that atomized smoke is finer and smoother; and moreover, the material has excellent temperature resistance and heat insulation performance, so that the safe use of equipment can be ensured, and peculiar smell spreading caused by high-temperature carbonization generated by over-fast local heating of the tobacco tar can be prevented.
本发明属于电子烟领域，尤其涉及一种多孔气凝胶材料及其制备方法和电子烟雾化芯。本发明提供的多孔气凝胶材料由二氧化硅气凝胶粉末和造孔剂粉末混合后再经压固和加热制成；造孔剂粉末的成分包括碳酸氢铵、草酸铵和聚甲基丙烯酸甲酯中的一种或多种；造孔剂粉末的粒径＞二氧化硅气凝胶粉末的孔径。本发明提供的多孔气凝胶材料通过二氧化硅气凝胶本身的纳米微孔与人工造孔结合，具有合理的孔隙率，比表面积大，密度小，耐高温。通过这种材料制备的电子烟雾化芯烟油供给顺畅，可实现对局部区域的干湿度调整，使雾化出的烟雾更加细腻，并且材料本身优异的耐温隔热性能，既能保证设备的安全使用，又能防止烟油局部加热过快产生高温碳化而散播异味。
Porous aerogel material, preparation method thereof and electronic cigarette atomization core
一种多孔气凝胶材料及其制备方法和电子烟雾化芯
WU CHANGZHENG (author) / XIE YI (author)
2021-12-03
Patent
Electronic Resource
Chinese
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