Effect of nanofiller NanoBent® ZW1 on mechanical properties of composites containing glass reinforced polyester waste
Mariola Jastrzębska
Quarterly No. 2, 2011 pages 111-113
DOI:
keywords: material recycling, nanofiller, NanoBent®, glass reinforced polyester waste, mechanical properties
abstract The influence of the amount of nanofiller on the mechanical properties of composites containing glass reinforced polyester waste have been tested. The earliest studies showed that using more than 10 wt.% recyclate in polyester composites significantly decreases the compressive and flexural strengths. In this work a preparation based on the polyester resin Polimal 109-32K (product of Organica - Sarzyna Chemical Works) and the nanofiller NanoBent® ZW1 - organophilized montmorillonite (product of ZG-M “Zębiec” S.A.) has been obtained. The filler was introduced to the compositions in the amounts of 1, 2, 3 wt.% of all the components. The mechanical properties of the composites have been investigated at room temperature. It was observed that an addition of 1 or 2 wt.% nanofiller NanoBent® to composites with 10 or 12 wt.% recyclate causes a increase in the strength. Styrene diffuses into the galleries of the organoclay montmorillonite easily resulting in a decrease in the amount of styrene available for crosslinking in the medium. This decreases the chain length between the crosslink sites leading to higher strength. The addition of 2 wt.% nanofiller to the composite with 10 wt.% recyclate significantly influences the mechanical properties compared to the properties of the composite without the nanofiller. Glass reinforced polyester waste may be used in 10 wt.% to polyester composites with 2 wt.% nanofiller NanoBent® ZW1 to obtain building materials like window sills.