Property enhancement of bamboo mildew-proof emulsion coating 
 using modified halloysite nanotubes

doi:10.3969/j.issn.1000-2006.2016.03.021

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2016, Vol. 40 ›› Issue (03): 127-132.doi: 10.3969/j.issn.1000-2006.2016.03.021

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Property enhancement of bamboo mildew-proof emulsion coating using modified halloysite nanotubes

LI Yuyao, ZHANG Rong, JIN Xiaobei, QIN Daochun^*

International Centre for Bamboo and Rattan, Bamboo and Rattan Science &
Technology Laboratory, SFA, Beijing 100102, China

Online:2016-06-18 Published:2016-06-18

Abstract

Abstract: When mildew-proof emulsion coating was modified with halloysite nanotubes(HNTs), the organic iodide(IPBC)that was an effective mildew proof agent in coating, can be adsorbed by halloysite nanotubes. Using the thermal gravimetric analysis(TGA), Fourier transform infrared(FTIR)spectroscopy and environment scanning electron microscopy(ESEM), it was found that the heat-resistance, hydrophobicity and mildew-proof properties of the coating were enhanced. The hydrophobicity of the emulsion coating was examined using the contact angle test and the mildew-proof efficiency was compared before and after the modification with halloysite nanotubes. Experiment results showed that the halloysite nanotube had the ability to absorb mildew-proof agent up to 63.78%, leading to a change of the microscopic morphology of the coating. A protective layer of the modified coating existed on the bamboo surface, improving the bamboo hydrophobicity by 26.46%. The modified mildew-proof coating had the mildew preventing efficiency of 100% and was expected to expand its applications in mildew proofing areas.

CLC Number:

S781
TS6

LI Yuyao, ZHANG Rong, JIN Xiaobei, QIN Daochun. Property enhancement of bamboo mildew-proof emulsion coating using modified halloysite nanotubes[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2016, 40(03): 127-132.

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Property enhancement of bamboo mildew-proof emulsion coating using modified halloysite nanotubes

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