| dc.creator | RICARDO HERBE CRUZ ESTRADA | |
| dc.date | 2014-05-20 | |
| dc.date.accessioned | 2018-11-19T14:12:41Z | |
| dc.date.available | 2018-11-19T14:12:41Z | |
| dc.identifier | http://cicy.repositorioinstitucional.mx/jspui/handle/1003/57 | |
| dc.identifier.uri | http://repositorioslatinoamericanos.uchile.cl/handle/2250/2256021 | |
| dc.description | Although wood–plastic composites (WPCs) are materials widely used in the construction
industry, their durability constitutes a serious issue especially when used for outdoor
applications. Therefore, this work gives account on the effect of biotic and abiotic
degradation agents on two different WPCs prepared from recycled high-density polyethylene
(HDPE) and pinewood residues. Two aspects were evaluated, namely mechanical
properties and aesthetics. Compression-molded samples obtained from two
different formulations based on 40% of wood and 60% of HDPE, containing 0 and 5%
of coupling agent with respect to wood content, were subjected to 0, 1000 and
2000 h of accelerated weathering (AW), using an ultraviolet-type accelerated tester
equipped with UVA-340 fluorescent lamps. Afterward, the aged specimens were
exposed to attack by termites (TA) of the species Nasutitermes nigriceps for 15 and
30 days. Tensile properties after AW and TA were assessed using an Instron 5500R
(1125) universal tester. Similarly, the aesthetic aspect was studied to evaluate the color
changes on the specimens’ surfaces using a Minolta CR-200 Chroma Meter. The results
of this work show drops in the mechanical properties of both composites that were not significant, even after being exposed to 2000 h ofAWin combination with 30 days of TA.
However, their aesthetics was seriously affected by both degradation agents, as reflected
by the variations registered on the total color change and relative lightness of the tested
samples. | |
| dc.format | application/pdf | |
| dc.rights | info:eu-repo/semantics/openAccess | |
| dc.rights | http://creativecommons.org/licenses/by-nc-nd/4.0 | |
| dc.subject | info:eu-repo/classification/cti/7 | |
| dc.title | Effect of accelerated weathering and termite attack on the tensile properties and aesthetics of recycled HDPE-pinewood composites | |
| dc.type | Artículos de revistas | |
