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Improved dispersion of the graphene and corrosion resistance of waterborne epoxy-graphene composites by minor cellulose nanowhiskers
Nie, Jing; Liu, Dongyan; Li, Songtao; Qiu, Zhangweijia; Ma, Na; Sui, Guoxin
2019-06-20
Source PublicationJOURNAL OF APPLIED POLYMER SCIENCE
ISSN0021-8995
Volume136Issue:24
AbstractThe uniform dispersion of graphene (GN) in a polymer matrix is still challenging at high loadings. In this study, we introduced a tiny number of cellulose nanowhiskers (CNWs; CNWs/GN = 1:20 w/w) to improve the dispersion of GN nanoplatelets in a waterborne epoxy (WEP) matrix at a GN loading of 1.0 wt %. Compared with that of 1.0% GN-WEP, the Young's modulus of the 1.0% GN-WEP-CNWs was enhanced by about 20.5%. The glass-transition temperature increased from 70.4 degrees C for 1.0% GN-WEP to 72.8 degrees C for 1.0% GN-WEP-CNWs. The water contact angle of composite film increased by 17 degrees, from about 79 degrees for the film without CNWs to about 96 degrees for the film with CNWs. The anticorrosion efficiency of the coatings was also evaluated with the potentiodynamic polarization and electrochemical impedance spectroscopy techniques. The results reveal the CNW-containing coating showed better corrosion resistance for mild steel and could be applied as a green dispersant for GN in WEP coatings. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47631.
Keywordcellulose and other wood products coatings electrochemistry nanotubes graphene and fullerenes resins
Indexed BySCI
Language英语
WOS IDWOS:000461893300012
PublisherWILEY
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80991
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Nie, Jing,Liu, Dongyan,Li, Songtao,et al. Improved dispersion of the graphene and corrosion resistance of waterborne epoxy-graphene composites by minor cellulose nanowhiskers[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2019,136(24).
APA Nie, Jing,Liu, Dongyan,Li, Songtao,Qiu, Zhangweijia,Ma, Na,&Sui, Guoxin.(2019).Improved dispersion of the graphene and corrosion resistance of waterborne epoxy-graphene composites by minor cellulose nanowhiskers.JOURNAL OF APPLIED POLYMER SCIENCE,136(24).
MLA Nie, Jing,et al."Improved dispersion of the graphene and corrosion resistance of waterborne epoxy-graphene composites by minor cellulose nanowhiskers".JOURNAL OF APPLIED POLYMER SCIENCE 136.24(2019).
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