Effect of Temperature and Atmosphere on the Thermal Degradation of Polyethylene
Publish Year: 1397
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
OGPC02_082
تاریخ نمایه سازی: 6 شهریور 1399
Abstract:
In this paper, a time-sweep rheometry method was used to evaluate the thermal degradation of a linear low density polyethylene. For this purpose, the rheometry was performed by time-sweep method in the air and nitrogen atmosphere. Storage modulus values were reported as a function of the time. According to the results, this method had a good repeatability. No degradation was observed under nitrogen atmosphere. The results showed that rheometry in presence of air caused a faster and more severe degradation of polyethylene. Higher temperatures shifted forward the onset of the degradation and caused the increase in the slope of the storage modulus-time curve
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Authors
Reza Rashedi
Research and Development Center, Jam Petrochemical Company, Asalouyeh, Iran
Abdolkamal Dordinejad-Kor
Research and Development Center, Jam Petrochemical Company, Asalouyeh, Iran
Abdolhannan Sepahi
Research and Development Center, Jam Petrochemical Company, Asalouyeh, Iran