Preparation and Properties of Surface Functionalized Wood by Nanoscale Manganese Oxide†

doi:10.7503/cjcu20170177

Abstract

Abstract:

Nanoscale manganese oxide modified wood samples were prepared by the hydrothermal method. The morphology of the samples were observed by scanning electron microscope(SEM) and the elemental analysis of the samples was carried out by energy dispersive spectroscopy(EDS), and the corrosion resistance and antibacterial properties of the nanoscale manganese oxide modified wood under different treatment conditions were discussed. Data analysis showed that the corrosion resistance and antibacterial properties of nanoscale manganese oxide modified wood were better than those of untreated wood, and the sample treated by sodium dodecylsulfate as surfactant showed better performance on corrosion resistance and antibacterial properties than those prepared by other methods.

Key words: Nanoscale manganese oxide, Surface functionalization, Wood, Corrosion resistance, Antibacte-rial property

TrendMD:

YU Ze, GAO He, ZHENG Kai, LIANG Daxin, LIU Zhiming, PANG Guangsheng, FANG Zhenxing. Preparation and Properties of Surface Functionalized Wood by Nanoscale Manganese Oxide^†[J]. Chem. J. Chinese Universities, 2017, 38(9): 1518.

Figures/Tables 9

References 25

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Grade	Broad-leaved wood mass loss rate(%)	Coniferous wood mass loss rate(%)
(Ⅰ) Most resistant to rot	0—10	0—10
(Ⅱ) Corrosion resistance	11—30	11—20
(Ⅲ) Slightly resistant rot	31—50	21—30
(Ⅳ) No decay resistance	>50	>30

Grade	Broad-leaved wood mass loss rate(%)	Coniferous wood mass loss rate(%)
(Ⅰ) Most resistant to rot	0—10	0—10
(Ⅱ) Corrosion resistance	11—30	11—20
(Ⅲ) Slightly resistant rot	31—50	21—30
(Ⅳ) No decay resistance	>50	>30

Sample	M/g	N/g	Mass loss rate(%)	Corrosion resistance grade
Blank	0.1104	0.0643	41.7572	Ⅲ
1	0.1265	0.0823	34.9407	Ⅲ
2	0.1229	0.0811	34.0114	Ⅲ
3	0.1301	0.0828	36.3566	Ⅲ
4	0.1125	0.0754	32.9778	Ⅲ
5	0.1276	0.0833	34.7179	Ⅲ
6	0.1198	0.0802	33.0551	Ⅲ

Sample	M/g	N/g	Mass loss rate(%)	Corrosion resistance grade
Blank	0.1104	0.0643	41.7572	Ⅲ
1	0.1265	0.0823	34.9407	Ⅲ
2	0.1229	0.0811	34.0114	Ⅲ
3	0.1301	0.0828	36.3566	Ⅲ
4	0.1125	0.0754	32.9778	Ⅲ
5	0.1276	0.0833	34.7179	Ⅲ
6	0.1198	0.0802	33.0551	Ⅲ

Sample	M/g	N/g	Mass loss rate(%)	Corrosion resistance grade
Blank	0.1214	0.0671	44.7282	Ⅳ
1	0.159	0.1397	12.1384	Ⅱ
2	0.1687	0.1454	13.8115	Ⅱ
3	0.1702	0.1412	17.0388	Ⅱ
4	0.1761	0.1441	18.1715	Ⅱ
5	0.1723	0.1448	15.9605	Ⅱ
6	0.1607	0.1455	9.4586	Ⅰ