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Effects of a titanate coupling agent on the mechanical and thermo-physical properties of talc-reinforced polyethylene compounds
University of Borås, School of Engineering.
University of Borås, School of Engineering.
University of Borås, School of Engineering.
2014 (English)In: Journal of Applied Polymer Science, ISSN 0021-8995, E-ISSN 1097-4628, Vol. 131, no 13, p. 40449-40449Article in journal (Refereed) Published
Sustainable development
The content falls within the scope of Sustainable Development
Abstract [en]

An experimental study was carried out to investigate the effects of a titanate coupling agent on the mechanical properties, moisture absorption, and thermal conductivity of talc-filled high-density polyethylene (HDPE). Talc (0–35 wt %) was used as reinforcement particulate filler in an HDPE matrix and samples were prepared in a micro-compounder and an injection molding machine. Isopropyl tri(dioctyl)phosphate titanate (0.5 wt %) was used as coupling agent. Composites with and without coupling agent were evaluated for changes in mechanical and thermo-physical properties, morphology, and void content. Addition of the titanate coupling agent most often resulted in an increase in stiffness and tensile strength. Furthermore, both the void content and the elongation at break of composites were reduced. Results also showed that the coupling agent had no effects on the thermal conductivity, thermal diffusivity, and specific heat capacity of the composites. In addition, it was observed that the coupling agent was more effective at low concentrations of filler. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2014, 131, 40449.

Place, publisher, year, edition, pages
John Wiley & Sons, Inc. , 2014. Vol. 131, no 13, p. 40449-40449
Keywords [en]
extrusion, polyolefins, thermal properties, blends, Polymerteknologi
National Category
Chemical Sciences Materials Chemistry
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URN: urn:nbn:se:hb:diva-2031DOI: 10.1002/app.40449Local ID: 2320/14629OAI: oai:DiVA.org:hb-2031DiVA, id: diva2:870112
Available from: 2015-11-13 Created: 2015-11-13 Last updated: 2017-09-06Bibliographically approved

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Kalantar Mehrjerdi, AdibÅkesson, DanSkrifvars, Mikael

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