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A strong enhancement of corrosion and wear resistance of polyurethane-based coating by chemically grafting of organosolv lignin

Wang, Di (author)
Luleå tekniska universitet,Maskinelement,Division of Machine Elements, Department of Engineering Sciences and Mathematics, Luleå University of Technology, Luleå, SE-971 87, Sweden,Luleå tekniska universitet (LTU),Luleå University of Technology (LTU)
Zhao, Jun (author)
Luleå tekniska universitet,Maskinelement,Division of Machine Elements, Department of Engineering Sciences and Mathematics, Luleå University of Technology, Luleå, SE-971 87, Sweden,Luleå tekniska universitet (LTU),Luleå University of Technology (LTU)
Claesson, Per M. (author)
KTH,Yt- och korrosionsvetenskap,Division of Surface and Corrosion Science, Department of Chemistry, KTH Royal Institute of Technology, Stockholm, SE-100 44, Sweden,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH)
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Christakopoulos, Paul (author)
Luleå tekniska universitet,Kemiteknik,Division of Chemical Engineering, Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, Luleå, SE-971 87, Sweden,Luleå tekniska universitet (LTU),Luleå University of Technology (LTU)
Rova, Ulrika (author)
Luleå tekniska universitet,Kemiteknik,Division of Chemical Engineering, Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, Luleå, SE-971 87, Sweden,Luleå tekniska universitet (LTU),Luleå University of Technology (LTU)
Matsakas, Leonidas (author)
Luleå tekniska universitet,Kemiteknik,Division of Chemical Engineering, Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, Luleå, SE-971 87, Sweden,Luleå tekniska universitet (LTU),Luleå University of Technology (LTU)
Ytreberg, Erik, 1980 (author)
Department of Mechanics and Maritime Sciences, Chalmers University of Technology, SE 412 96, Gothenburg, Sweden,Chalmers tekniska högskola,Chalmers University of Technology
Granhag, Lena, 1974 (author)
Department of Mechanics and Maritime Sciences, Chalmers University of Technology, SE 412 96, Gothenburg, Sweden,Chalmers tekniska högskola,Chalmers University of Technology
Zhang, Fan (author)
Department of Engineering and Design, School of Engineering and Information, University of Sussex, Brighton, BN1 9RH, United Kingdom.,University of Sussex
Pan, Jinshan, 1962- (author)
KTH,Yt- och korrosionsvetenskap,Division of Surface and Corrosion Science, Department of Chemistry, KTH Royal Institute of Technology, Stockholm, SE-100 44, Sweden,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH)
Shi, Yijun (author)
Luleå tekniska universitet,Maskinelement,Division of Machine Elements, Department of Engineering Sciences and Mathematics, Luleå University of Technology, Luleå, SE-971 87, Sweden,Luleå tekniska universitet (LTU),Luleå University of Technology (LTU)
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 (creator_code:org_t)
Elsevier, 2024
2024
English.
In: Materials Today Chemistry. - : Elsevier. - 2468-5194. ; 35
Related links:
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Corrosion and wear pose significant challenges to equipment operating in harsh environments. Thus, protective coatings are needed. Anti-corrosion and anti-wear coatings are traditionally fossil-based and often contain environmentally harmful additives. Achieving anti-corrosion and anti-wear coatings based on environmentally benign and sustainable materials is important and a significant challenge. This work focused on the development of organosolv lignin-based polyurethane (OS_lignin-PU) coatings. The coatings were synthesised and evaluated for corrosion protection using electrochemical impedance spectroscopy (EIS) and for wear properties using nanoindentation and nano scratch measurements. EIS revealed that the optimal lignin content for corrosion protection purposes in the OS_lignin-PU coatings was 15 wt%. Moreover, addition of 15 wt% lignin to the OS_lignin-PU coatings also enhanced their wear resistance, as evidenced by reduced thickness loss during tribometer tests. The nano scratch measurements revealed that OS_lignin-PU coatings containing 15 wt% lignin exhibited the lowest scratch depth and friction coefficient. It is found that the developed lignin-containing coating exhibits remarkable corrosion and wear resistance, making it a promising sustainable material in various applications for pursuing sustainable development.

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Kemiteknik -- Korrosionsteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Chemical Engineering -- Corrosion Engineering (hsv//eng)

Keyword

Organosolv lignin
Polyurethane
Coating
Anti-corrosion
Wear resistance
Machine Elements
Maskinelement
Biokemisk processteknik
Biochemical Process Engineering

Publication and Content Type

ref (subject category)
art (subject category)

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