کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10674934 | 1010568 | 2005 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Properties and biotic hydrolysis of radiation crosslinked poly(ε-caprolactone)
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سطوح، پوششها و فیلمها
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چکیده انگلیسی
Crosslinked poly(ε-caprolactone) (PCL) was prepared by electron beam irradiation in the presence of the polyfunctional monomer A-TMPT. As the A-TMPT ratio and irradiation dose increase, the PCL gel fraction increases and consequently its heat resistant property significantly improves. The thermal parameters of crosslinked PCL such as the melting temperature (Tm), recrystallization temperature (Trc), and heat of recrystallization (ÎHrc), were slightly influenced. The surface morphology and structure of biodegraded crosslinked PCL were investigated by scanning electron microscope (SEM), differential scanning calorimetry (DSC) and thermo-gravimetric analyzer (TGA). The results showed that the erosion reaction temperature had a great effect on the morphology and structure of modified PCL and consequently influenced its degradation rate. The introduction of the crosslinking into PCL diminished its ability to biodegrade.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms - Volume 229, Issue 2, March 2005, Pages 293-301
Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms - Volume 229, Issue 2, March 2005, Pages 293-301
نویسندگان
Hassan A. Abd El-Rehim,