کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
11011577 | 1802865 | 2019 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Mechanical and ultimate properties of injection molded cellulose acetate/plasticizer materials
ترجمه فارسی عنوان
خصوصیات مکانیکی و نهایی مواد تزریق سلولز استات / پلاستیسیستر
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کلمات کلیدی
استات سلولز، ویژگی های مکانیکی، استحکام کششی، قدرت ضربه،
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آلی
چکیده انگلیسی
The mechanical properties of injection molded plasticized cellulose acetate polymers processed with two different plasticizers (Triacetine and Diethyl phthalate) and various weight fractions comprised between 15 and 30âwt % have been investigated. Plasticized cellulose acetate exhibit a brittle-to-ductile transition from a low impact strength to a high impact strength of order 40âkJ/m². Obtaining a high impact resistance at room temperature requires plasticizer content larger than 25âwt.%. An important strain hardening is obtained for samples with both plasticizers during tensile experiment. At 15âwt.% plasticizer content, the measured strain hardening modulus is around 148âMPa at 60â°C. Different parameters influencing the strain hardening behavior have been identified: the tensile direction as compared to that of the injection flow, the temperature and the plasticizer, consistent with studies on pre-strained samples of synthetic amorphous polymers.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Carbohydrate Polymers - Volume 204, 15 January 2019, Pages 182-189
Journal: Carbohydrate Polymers - Volume 204, 15 January 2019, Pages 182-189
نویسندگان
Agathe Charvet, Caroll Vergelati, Didier R. Long,