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Content available remote A. niger susceptibility of HDPE/hemp composites. Part 2: Mechanical tests
Cofta G., Doczekalska B., Bujnowicz K., Roszyk E.
Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology
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2018
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No. 104
113--116
EN
In the present study the composites of polyethylene and hemp were prepared. In addition the polyethylene-hemp composites containing a Polybond 3039 were also obtained. The objective of this study was to evaluate the resistance of PE-hemp composites to fungal decay. Mechanical properties of composite samples before and after the mycological test were determined. It was shown that the addition of coupling agent was accompanied by an increase of the measured mechanical composites properties. A. niger did not change the mechanical parameters of the composites. Mycological tests practically no effect on any of the mechanical parameters of both variants of the stretched composite samples.
2
Content available remote A. niger susceptibility of HDPE/hemp composites. Part 1: Resistance to growth of A. niger on the surface
Cofta G., Doczekalska B., Bujnowicz K.
Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology
|
2018
|
No. 104
109--112
EN
In the present study the composites of polyethylene and hemp were prepared. In addition the polyethylene-hemp composites containing a Polybond 3039 were also obtained. The objective of this study was to evaluate the resistance of PE-hemp composites to attack by mold. At weekly intervals, composites was evaluated visually intensity of the growth of A. niger using the scale on a surface in accordance with ISO-846. It was found that A. niger grew the surface of composites within two weeks. The use of the Polybond 3039 (coupling agent) reduces the resistance of composites to A. niger. Fungus grew faster on the surface of the PE70 H30 P5 composite samples than the composite designated as PE65 H30.
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