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Isıl işlem (ThermoWood) görmüş bazı odun türlerinde uygulanan su bazlı vernikler katmanlarının UV yaşlandırma etkisine karşı renk değişikliklerinin belirlenmesi

Year 2017, Volume: 17 Issue: 4, 703 - 714, 20.12.2017
https://doi.org/10.17475/kastorman.307003

Abstract

Çalışmanın amacı: Isıl işlem (ThermoWood) görmüş bazı ağaç türlerinde
kullanılan su bazlı vernik katmanlarının hızlandırılmış UV yaşlandırma etkisine
karşı renk değişim özelliklerini belirlemektir.

Çalışma alanı: Isıl işlem görmüş, su bazlı vernik, yaşlandırma ve
renk arasındaki ilişkinin belirlenmesidir.

Materyal
ve Yöntem:
Bu amaç ile Sarıçam
(Pinus sylvestris L.), Sapsız meşe (Quercus petreae L.) ve Doğu kayını (Fagus orientalis L.) odunlarından
hazırlanan deney örnekleri ThermoWood metoduna göre 190oC’de 2 saat,
212oC’de 1 saat ve 2 saat süreler ile ısıl işleme tabi tutulmuştur.
Daha sonra deney örneklerinin yüzeylerine, tek ve çift bileşenli su bazlı
vernikler üretici firmaların önerilerine göre uygulanmış ve UV-A 340 nm
florasan lambalarının bulunduğu “QUV accelerated weathering tester” cihazında;
144, 288 ve 432 saat süre boyunca UV etkisine altında (ASTM G 154-06, 2006) yaşlandırmaya maruz bırakılmışlardır.
Yaşlandırma sonrasında, kırmızı renk tonu, sarı renk tonu, ışıklılık ve toplam
renk farkı değerleri ASTM-D 2244-3 standardına göre belirlenmiştir.

Sonuçlar:
Yaşlandırma sonrasında ışıklılık ve toplam renk farkı
değerlerinin artış gösterdiği belirlenmiştir.









Araştırma vurguları: Yaşlandırmaya
bağlı olarak bütün renk parametreleri değişmiştir.

References

  • Korkut, S., ve Kocaefe, D., 2009. Isıl işlemin odun özellikleri üzerine etkisi, Düzce Üniversitesi Ormancılık Dergisi, 5 (2), 11-34.

Determination of the color changes against accelerated UV aging of used water based layers on some heat-treated (ThermoWood) wood species

Year 2017, Volume: 17 Issue: 4, 703 - 714, 20.12.2017
https://doi.org/10.17475/kastorman.307003

Abstract

Aim of study: The
objective of this study is to investigate the accelerated UV resistance of
water-based varnish layers, applied on heat-treated wood (ThermoWood) surfaces.

Area of study: Determination
of the relationship between heat-treated, water based varnish, aging and color.

Material
and Methods:
Wood specimens prepared from Scotch
pine (Pinus sylvestris L.), Oak (Quercus petreae L.) and Oriental beech (Fagus orientalis L.) were heat-treated
according to ThermoWood method at 190oC for 2 hours, and at 212oC
for 1 hour and 2 hours. Following the heat treatment, one and two component
water-based varnishes were applied to similar layer thicknesses. The finished
specimens were exposed to UV-A 340 nm fluorescent lamp in a “QUV accelerated
weathering tester” for 144, 288 and 432 hours (ASTM G 154-06, 2006). At the end
of each exposure period, red color tone, yellow color tone, lightness and total
color difference values were determined according to ASTM-D 2244-3.

Main results: Lightness
and total color difference values of the water-based single and double
component varnishes increased after the UV aging.









Research highlights: All
color parameters had changed due to aging.

References

  • Korkut, S., ve Kocaefe, D., 2009. Isıl işlemin odun özellikleri üzerine etkisi, Düzce Üniversitesi Ormancılık Dergisi, 5 (2), 11-34.
There are 1 citations in total.

Details

Journal Section Articles
Authors

Nevzat Çakıcıer

Umit Ayata This is me

Publication Date December 20, 2017
Published in Issue Year 2017 Volume: 17 Issue: 4

Cite

APA Çakıcıer, N., & Ayata, U. (2017). Determination of the color changes against accelerated UV aging of used water based layers on some heat-treated (ThermoWood) wood species. Kastamonu University Journal of Forestry Faculty, 17(4), 703-714. https://doi.org/10.17475/kastorman.307003
AMA Çakıcıer N, Ayata U. Determination of the color changes against accelerated UV aging of used water based layers on some heat-treated (ThermoWood) wood species. Kastamonu University Journal of Forestry Faculty. December 2017;17(4):703-714. doi:10.17475/kastorman.307003
Chicago Çakıcıer, Nevzat, and Umit Ayata. “Determination of the Color Changes Against Accelerated UV Aging of Used Water Based Layers on Some Heat-Treated (ThermoWood) Wood Species”. Kastamonu University Journal of Forestry Faculty 17, no. 4 (December 2017): 703-14. https://doi.org/10.17475/kastorman.307003.
EndNote Çakıcıer N, Ayata U (December 1, 2017) Determination of the color changes against accelerated UV aging of used water based layers on some heat-treated (ThermoWood) wood species. Kastamonu University Journal of Forestry Faculty 17 4 703–714.
IEEE N. Çakıcıer and U. Ayata, “Determination of the color changes against accelerated UV aging of used water based layers on some heat-treated (ThermoWood) wood species”, Kastamonu University Journal of Forestry Faculty, vol. 17, no. 4, pp. 703–714, 2017, doi: 10.17475/kastorman.307003.
ISNAD Çakıcıer, Nevzat - Ayata, Umit. “Determination of the Color Changes Against Accelerated UV Aging of Used Water Based Layers on Some Heat-Treated (ThermoWood) Wood Species”. Kastamonu University Journal of Forestry Faculty 17/4 (December 2017), 703-714. https://doi.org/10.17475/kastorman.307003.
JAMA Çakıcıer N, Ayata U. Determination of the color changes against accelerated UV aging of used water based layers on some heat-treated (ThermoWood) wood species. Kastamonu University Journal of Forestry Faculty. 2017;17:703–714.
MLA Çakıcıer, Nevzat and Umit Ayata. “Determination of the Color Changes Against Accelerated UV Aging of Used Water Based Layers on Some Heat-Treated (ThermoWood) Wood Species”. Kastamonu University Journal of Forestry Faculty, vol. 17, no. 4, 2017, pp. 703-14, doi:10.17475/kastorman.307003.
Vancouver Çakıcıer N, Ayata U. Determination of the color changes against accelerated UV aging of used water based layers on some heat-treated (ThermoWood) wood species. Kastamonu University Journal of Forestry Faculty. 2017;17(4):703-14.

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