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| Preparation of Micro/Nano Lignin by Self-assembly of Surfactant Hydrotropy System and Its Application in Ultraviolet Protection |
| Received:July 12, 2020 |
| DOI：10.11981/j.issn.1000-6842.2021.02.09 |
| Key Words:micro/nano lignin;surfactant;application |
| Fund Project:2018年辽宁省高等学校创新人才项目；国家留学基金委（201708210342）。 |
| Author Name | Affiliation | Postcode | | CHEN Kai | School of Light Industry and Chemical Engineering， Dalian Polytechnic University， Dalian， Liaoning Province， 116034
Liaoning Key Laboratory of Lignocellulose Chemistry and Biomaterials， Dalian， Liaoning Province， 116034 | 116034 | | ZHANG Jiaolong | School of Light Industry and Chemical Engineering， Dalian Polytechnic University， Dalian， Liaoning Province， 116034
Liaoning Key Laboratory of Lignocellulose Chemistry and Biomaterials， Dalian， Liaoning Province， 116034 | 116034 | | QI Yungeng | School of Light Industry and Chemical Engineering， Dalian Polytechnic University， Dalian， Liaoning Province， 116034
Liaoning Key Laboratory of Lignocellulose Chemistry and Biomaterials， Dalian， Liaoning Province， 116034 | 116034 | | LI Haiming | School of Light Industry and Chemical Engineering， Dalian Polytechnic University， Dalian， Liaoning Province， 116034
Liaoning Key Laboratory of Lignocellulose Chemistry and Biomaterials， Dalian， Liaoning Province， 116034 | 116034 |
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| Abstract: |
| Micro/nano lignin was prepared by self-assembly method using alkaline lignin as raw material and different surfactant solutions as solvents. The optimal pH value， temperature， and alkaline lignin addition for the preparation of micro/nano lignin under different surfactant solutions were preliminarily discussed. The micro/nano lignin was characterized by nano-particle size and Zeta potential analyzer， scanning electron microscope， and Fourier transform infrared spectroscopy. The results showed that the average particle size of micro/nano lignin prepared by dodecyl sulfate could reach to 94.7 nm. The absorbance and transmittance of the mixture of the prepared micro/nano lignin and commercial face cream were measured by using ultraviolet-visible absorption spectrum， and it was found that the absorbance of the mixture significantly improved， while the transmittance reduced， indicating the mixture was of good ultraviolet protection capability. |
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