Abstract
Photo-degradation of polymers for outdoor use are accelerated by degradation factors such as heat and moisture. Polypropylene(PP) is excellent in water resistance, but is inferior to weatherability. Therefore, in this study, PP was exposed under the water spray condition by using Xenon arc lamp. We evaluated the synergistic effect of light and moisture using the quantification technique of degradation. Results from the Fourier-transform infrared spectroscopic and X-ray Photoelectron Spectroscopy revealed that moisture accelerated the oxidative degradation of PP. In addition, with the progress of the oxidative degradation, melting point and thermal decomposition temperature of PP was lowered. The resulting collapse of crystal structure and chain scission therefore deteriorated the mechanical properties (Charpy impact strength, elongation) of PP.
| Original language | English |
|---|---|
| Pages (from-to) | 812-817 |
| Number of pages | 6 |
| Journal | Zairyo/Journal of the Society of Materials Science, Japan |
| Volume | 65 |
| Issue number | 11 |
| DOIs | |
| Publication status | Published - Nov 1 2016 |
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All Science Journal Classification (ASJC) codes
- Materials Science(all)
- Condensed Matter Physics
- Mechanics of Materials
- Mechanical Engineering
Cite this
A effect of moisture on photo-degradation for polypropylene. / Iizuka, Tomonori; Ohtake, Yoshito; Tanaka, Keiji.
In: Zairyo/Journal of the Society of Materials Science, Japan, Vol. 65, No. 11, 01.11.2016, p. 812-817.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - A effect of moisture on photo-degradation for polypropylene
AU - Iizuka, Tomonori
AU - Ohtake, Yoshito
AU - Tanaka, Keiji
PY - 2016/11/1
Y1 - 2016/11/1
N2 - Photo-degradation of polymers for outdoor use are accelerated by degradation factors such as heat and moisture. Polypropylene(PP) is excellent in water resistance, but is inferior to weatherability. Therefore, in this study, PP was exposed under the water spray condition by using Xenon arc lamp. We evaluated the synergistic effect of light and moisture using the quantification technique of degradation. Results from the Fourier-transform infrared spectroscopic and X-ray Photoelectron Spectroscopy revealed that moisture accelerated the oxidative degradation of PP. In addition, with the progress of the oxidative degradation, melting point and thermal decomposition temperature of PP was lowered. The resulting collapse of crystal structure and chain scission therefore deteriorated the mechanical properties (Charpy impact strength, elongation) of PP.
AB - Photo-degradation of polymers for outdoor use are accelerated by degradation factors such as heat and moisture. Polypropylene(PP) is excellent in water resistance, but is inferior to weatherability. Therefore, in this study, PP was exposed under the water spray condition by using Xenon arc lamp. We evaluated the synergistic effect of light and moisture using the quantification technique of degradation. Results from the Fourier-transform infrared spectroscopic and X-ray Photoelectron Spectroscopy revealed that moisture accelerated the oxidative degradation of PP. In addition, with the progress of the oxidative degradation, melting point and thermal decomposition temperature of PP was lowered. The resulting collapse of crystal structure and chain scission therefore deteriorated the mechanical properties (Charpy impact strength, elongation) of PP.
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UR - http://www.scopus.com/inward/citedby.url?scp=84997285769&partnerID=8YFLogxK
U2 - 10.2472/jsms.65.812
DO - 10.2472/jsms.65.812
M3 - Article
VL - 65
SP - 812
EP - 817
JO - Zairyo/Journal of the Society of Materials Science, Japan
JF - Zairyo/Journal of the Society of Materials Science, Japan
SN - 0514-5163
IS - 11
ER -