Utilization of recycled mineral wool as filler in wood plastic composites
Väntsi, Olli (2015-10-09)
Väitöskirja
Väntsi, Olli
09.10.2015
Lappeenranta University of Technology
Acta Universitatis Lappeenrantaensis
Julkaisun pysyvä osoite on
https://urn.fi/URN:ISBN:978-952-265-856-2
https://urn.fi/URN:ISBN:978-952-265-856-2
Tiivistelmä
The impact of a recycled mineral wool filler on the various properties of wood plastic
composites was studied and the critical factors affecting the formation of the properties
were determined. An estimation of the volume of mineral wool fiber waste generated in
the European Union between the years 2010-2020 was presented. Furthermore, the effect
of fiber pre-treatment on the properties of the wood plastic composites were studied, and
the environmental performance of a wood plastic composite containing recycled mineral
fibers was assessed. The results showed that the volumes of construction and demolition
waste and new mineral wool produced in the European Union are growing annually, and
therefore also the volumes of recycled mineral wool waste generated are increasing. The
study showed that the addition of recycled mineral wool into composites can enhance
some of the mechanical properties and increase the moisture resistance properties of the
composites notably. Recycled mineral wool as a filler in wood plastic composites can
also improve the fire resistance properties of composites, but it does not protect the
polymer matrix from pyrolysis. Fiber pre-treatment with silane solution improved some
of the mechanical properties, but generally the use of maleated polypropylene as the
coupling agent led to better mechanical and moisture resistance properties. The
environmental performance of recycled mineral wool as the filler in wood plastic
composites was superior compared to glass fibers. According to the findings, recycled
mineral wool fibers can provide a technically and environmentally viable alternative to
the traditional inorganic filler materials used in wood plastic composites.
composites was studied and the critical factors affecting the formation of the properties
were determined. An estimation of the volume of mineral wool fiber waste generated in
the European Union between the years 2010-2020 was presented. Furthermore, the effect
of fiber pre-treatment on the properties of the wood plastic composites were studied, and
the environmental performance of a wood plastic composite containing recycled mineral
fibers was assessed. The results showed that the volumes of construction and demolition
waste and new mineral wool produced in the European Union are growing annually, and
therefore also the volumes of recycled mineral wool waste generated are increasing. The
study showed that the addition of recycled mineral wool into composites can enhance
some of the mechanical properties and increase the moisture resistance properties of the
composites notably. Recycled mineral wool as a filler in wood plastic composites can
also improve the fire resistance properties of composites, but it does not protect the
polymer matrix from pyrolysis. Fiber pre-treatment with silane solution improved some
of the mechanical properties, but generally the use of maleated polypropylene as the
coupling agent led to better mechanical and moisture resistance properties. The
environmental performance of recycled mineral wool as the filler in wood plastic
composites was superior compared to glass fibers. According to the findings, recycled
mineral wool fibers can provide a technically and environmentally viable alternative to
the traditional inorganic filler materials used in wood plastic composites.
Kokoelmat
- Väitöskirjat [997]