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Molecules 2017, 22(11), 1920; doi:10.3390/molecules22111920

Characteristics of Multifunctional, Eco-Friendly Lignin-Al2O3 Hybrid Fillers and Their Influence on the Properties of Composites for Abrasive Tools

1
Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, PL-60965 Poznan, Poland
2
Wielkopolska Centre of Advanced Technologies, Umultowska 89 C, PL-61614 Poznan, Poland
3
Polish Academy of Sciences, Institute of High Pressure Physics, Sokolowska 29/37, PL-01142 Warszawa, Poland
4
RHL-Service, Budziszynska 74, PL-60179 Poznan, Poland
5
Institute of Materials Technology, Faculty of Mechanical Engineering and Management, Poznan University of Technology, Piotrowo 3, PL-61138 Poznan, Poland
*
Author to whom correspondence should be addressed.
Received: 25 September 2017 / Accepted: 3 November 2017 / Published: 7 November 2017
(This article belongs to the Special Issue Natural Polymers and Biopolymers)
View Full-Text   |   Download PDF [7926 KB, uploaded 7 November 2017]   |  

Abstract

The main aim of the present study was the preparation and comprehensive characterization of innovative additives to abrasive materials based on functional, pro-ecological lignin-alumina hybrid fillers. The behavior of lignin, alumina and lignin-Al2O3 hybrids in a resin matrix was explained on the basis of their surface and application properties determined by inverse gas chromatography, the degree of adhesion/cohesion between components, thermomechanical and rheological properties. On the basis of the presented results, a hypothetical mechanism of interactions between lignin and Al2O3 as well as between lignin-Al2O3 hybrids and phenolic resins was proposed. It was concluded that lignin compounds can provide new, promising properties for a phenolic binder combining the good properties of this biopolymer as a plasticizer and of alumina as a filler improving mechanical and thermal properties. The use of such materials may be relatively non-complicated and efficient way to improve the performance of bonded abrasive tools. View Full-Text
Keywords: lignin-Al2O3 hybrid materials; abrasive tools; lignin; thermomechanical properties; rheological studies lignin-Al2O3 hybrid materials; abrasive tools; lignin; thermomechanical properties; rheological studies
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Klapiszewski, Ł.; Jamrozik, A.; Strzemiecka, B.; Koltsov, I.; Borek, B.; Matykiewicz, D.; Voelkel, A.; Jesionowski, T. Characteristics of Multifunctional, Eco-Friendly Lignin-Al2O3 Hybrid Fillers and Their Influence on the Properties of Composites for Abrasive Tools. Molecules 2017, 22, 1920.

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