Polymer Degradation and Stability, volume 95, issue 6, pages 1039-1044

Thermal and weathering degradation of poly(propylene carbonate)

Jobi Kodiyan Varghese 1
Sung Eun Na 1
Ji-Hong Park 1
Dongjin Woo 2
Inmo Yang 2
Bun Yeoul Lee 1
2
 
Reliability Center, Korea Institute of Construction Materials, B-dong, AICT 864-1, Iui-dong, Yeongtong-gu, Suwon 443-759, Republic of Korea
Publication typeJournal Article
Publication date2010-06-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor5.9
ISSN01413910
Materials Chemistry
Condensed Matter Physics
Polymers and Plastics
Mechanics of Materials
Abstract
High molecular-weight poly(propylene carbonate) (PPC) can remain intact upon storage in ambient air or in water for 8 months once the catalyst is completely removed. Catalyst-free pure PPC is also thermally stable below 180 °C. At 200 °C, degradation occurs, mainly due to attack of the chain-ended hydroxyl group onto a carbonate linkage, through which the molecular weight distribution is broadened by simultaneous formation of low and high molecular weight fractions. Incomplete removal of hydrogen peroxide generated during the catalyst preparation results in a prepared polymer that contains a substantial amount of polymer chains grown biaxially from hydrogen peroxide, which gives rise to more severe thermal degradation. Experiments conducted in a weathering chamber at high temperature (63 °C) and high humidity (50%) revealed another degradation process involving chain scission through an attack of water molecules onto the carbonate linkage, which progressively and temporally lowers molecular weight.

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Varghese J. K. et al. Thermal and weathering degradation of poly(propylene carbonate) // Polymer Degradation and Stability. 2010. Vol. 95. No. 6. pp. 1039-1044.
GOST all authors (up to 50) Copy
Varghese J. K., Na S. E., Park J., Woo D., Yang I., Lee B. Y. Thermal and weathering degradation of poly(propylene carbonate) // Polymer Degradation and Stability. 2010. Vol. 95. No. 6. pp. 1039-1044.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.polymdegradstab.2010.03.006
UR - https://doi.org/10.1016/j.polymdegradstab.2010.03.006
TI - Thermal and weathering degradation of poly(propylene carbonate)
T2 - Polymer Degradation and Stability
AU - Varghese, Jobi Kodiyan
AU - Na, Sung Eun
AU - Park, Ji-Hong
AU - Woo, Dongjin
AU - Yang, Inmo
AU - Lee, Bun Yeoul
PY - 2010
DA - 2010/06/01 00:00:00
PB - Elsevier
SP - 1039-1044
IS - 6
VL - 95
SN - 0141-3910
ER -
BibTex |
Cite this
BibTex Copy
@article{2010_Varghese,
author = {Jobi Kodiyan Varghese and Sung Eun Na and Ji-Hong Park and Dongjin Woo and Inmo Yang and Bun Yeoul Lee},
title = {Thermal and weathering degradation of poly(propylene carbonate)},
journal = {Polymer Degradation and Stability},
year = {2010},
volume = {95},
publisher = {Elsevier},
month = {jun},
url = {https://doi.org/10.1016/j.polymdegradstab.2010.03.006},
number = {6},
pages = {1039--1044},
doi = {10.1016/j.polymdegradstab.2010.03.006}
}
MLA
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MLA Copy
Varghese, Jobi Kodiyan, et al. “Thermal and weathering degradation of poly(propylene carbonate).” Polymer Degradation and Stability, vol. 95, no. 6, Jun. 2010, pp. 1039-1044. https://doi.org/10.1016/j.polymdegradstab.2010.03.006.
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