NDLI: Paraffin Pickering Emulsion Stabilized with $Nano-SiO_{2}$ Designed for Wood Impregnation

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Paraffin Pickering Emulsion Stabilized with $Nano-SiO_{2}$ Designed for Wood Impregnation

Content Provider	MDPI
Author	Liu, Runhao Liu, Xinyao Zhang, Yuting Liu, Junjia Gong, Chengxi Dong, Youming Li, Jianzhang Shi, Jingbo Wu, Miao
Copyright Year	2020
Description	Wax impregnation is an effective approach to improve wood water resistance. However, melted waxes require special equipment and cannot penetrate deep enough into wood. Recently, wax emulsions show excellent efficiency in wood modification. In this study, paraffin Pickering emulsion stabilized by low dispersed SiO2 nanospheres was used to impregnate poplar wood. The microstructure and storage stability of the emulsion were evaluated. The dimensional stability, water uptake, wettability, and thermal stability of treated wood were also investigated. After homogenization, a milk-white oil-in-water (O/W) paraffin Pickering emulsion stabilized by the nano-SiO2 (diameter of ~76 nm) was formed and demonstrated excellent storage stability. Paraffin Pickering emulsion could penetrate into the wood structure. The emulsion-treated wood was endowed with a moderate anti-swelling efficiency (ASE), high water resistance, and low wettability. Moreover, the addition of nano-SiO2 could improve the thermal stability of the treated wood.
Starting Page	726
e-ISSN	19994907
DOI	10.3390/f11070726
Journal	Forests
Issue Number	7
Volume Number	11
Language	English
Publisher	MDPI
Publisher Date	2020-07-02
Access Restriction	Open
Subject Keyword	Forests Paper and Wood Wood Modification Wax Impregnation Paraffin Pickering Emulsion Nano-sio2
Content Type	Text
Resource Type	Article

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