کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6721193 | 503569 | 2015 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Influence of chemical modification on hemp-starch concrete
ترجمه فارسی عنوان
تأثیر اصلاح شیمیایی بر بتن شاهدانه و نشاسته
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کلمات کلیدی
خرگوش کناف، نشاسته، درمان قلیایی، عامل اتصال سیلان، ویژگی های مکانیکی،
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی عمران و سازه
چکیده انگلیسی
This work deals with the impact of several chemical treatments of hemp hurds on the properties of hemp-starch composite which is made of 100% of natural resources. Two compositions were manufactured, the first one with untreated hemp hurds in starch matrix and the second one with treated hemp hurds in starch matrix. A set of chemical treatments was performed to solubilize hemicelluloses and lignin seal surrounding the cellulose bundle in the first step and then a coupling agent was used to provide a stable bond between hemp hurds and starch matrix. The influence of the treatments on hemp hurds characteristics was investigated by scanning electron microscopy (SEM), differential thermal analysis (DTA), thermogravimetric analysis (TGA) and attenuated total reflectance spectroscopy (ATR). Moreover, the mechanical properties of green composites were studied and it seems that alkaline treatment followed by silane treatment improves the stiffness of composites according to the results of mechanical properties after treatments.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Construction and Building Materials - Volume 81, 15 April 2015, Pages 208-215
Journal: Construction and Building Materials - Volume 81, 15 April 2015, Pages 208-215
نویسندگان
Umurigirwa Benitha Sandrine, Vroman Isabelle, Mai Ton Hoang, Maalouf Chadi,