کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5204007 | 1381946 | 2009 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Synthesis and kinetics of non-isothermal degradation of amide grafted high density polyethylene
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آلی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Synthesis and kinetics of non-isothermal degradation of amide grafted high density polyethylene Synthesis and kinetics of non-isothermal degradation of amide grafted high density polyethylene](/preview/png/5204007.png)
چکیده انگلیسی
The grafted structures from the reaction of high density polyethylene with maleic anhydride (PEgMA) was reacted further with 1,4-diaminobutane to synthesize amide grafted polyethylenes. Grafted amic-acids were partially converted to imide groups during the reaction. Grafted products were identified by titration, elemental analysis and FTIR. DSC analysis indicated that Cp for amide grafted product increased about 47% with respect to PEgMA, its crystallinity increased 50% with respect to PE and 18% with respect to PEgMA. Analysis of kinetics of degradation was performed by thermogravimetry; degradation kinetic parameters of these amide grafted products have not been evaluated or reported. The degradation of Amide grafted polyethylene is similar to HDPE but with smaller activation energy indicating that it is the most stable product. Fn and An kinetic models seemed more suitable than diffusion models.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Polymer Degradation and Stability - Volume 94, Issue 10, October 2009, Pages 1860-1866
Journal: Polymer Degradation and Stability - Volume 94, Issue 10, October 2009, Pages 1860-1866
نویسندگان
M.A. Semsarzadeh, V. Poursorkhabi,