功能性乙基纖維素復(fù)合微球的制備及性能
[Abstract]:The poly (N-isopropylacrylamide) Fe3O4 nanoparticles and the dye 4-methylamino -9-allyl -1-aniline 8-naphthalimide were blended with ethyl cellulose solution, and the temperature sensitivity was obtained by a one-step high voltage electrostatic spray method. Magnetic and fluorescent ethylcellulose composite microspheres. The results showed that the average particle size of ethylcellulose composite microspheres was increased with the addition of Fe _ 3O _ 4 nanoparticles at sub-micron level, and the skeleton strength and morphology of the composite microspheres were improved. When the temperature exceeds the low critical solution temperature of poly (N-isopropylacrylamide), the average particle size of ethylcellulose composite microspheres decreases, showing temperature sensitivity. The ethylcellulose composite microspheres showed the opposite thermal fluorescence enhancement properties as compared with the dye solution. The analysis of vibrating sample magnetometer shows that the ethylcellulose composite microspheres have good superparamagnetism.
【作者單位】: 南京林業(yè)大學(xué)江蘇省制漿造紙科學(xué)與技術(shù)重點(diǎn)實(shí)驗(yàn)室江蘇省林業(yè)資源高效加工利用協(xié)同創(chuàng)新中心;
【基金】:國(guó)家自然科學(xué)基金(No.31200453,31200454,31470599)資助項(xiàng)目 江蘇高校優(yōu)勢(shì)學(xué)科建設(shè)工程資助項(xiàng)目
【分類號(hào)】:O636.11;TB332
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