مروری بر ویژگی‌ها و کاربردهای اتیل سلولوز

نوع مقاله : تالیفی

نویسندگان

گروه مهندسی پلیمر، دانشکده ی فنی و مهندسی، دانشگاه صنعتی قم، قم، ایران

چکیده

سلولوز، ترکیب اصلی تشکیل ­دهنده بیشتر گیاهان است. تجدیدپذیری این ماده موجب تبدیل سلولوز به ماده­ خام طبیعی شده که به فراوانی دردسترس است و بابت اتمام منابع آن نگرانی وجود نداشته باشد. با این حال، استفاده صنعتی از سلولوز به ­عنوان پلیمر گرمانرم با مشکلات و دشواری ­هایی همراه است. سلولوز به ­دلیل وجود پیوندهای هیدروژنی بسیار مستحکم میان زنجیرهای آن، پیش از ذوب، تخریب می ­شود. پژوهشگران برای رفع چنین مسائلی با انجام انواع اصلاحات شیمیایی روی سلولوز، پلیمرهای مشتق از آن را توسعه داده ­اند. اتیل سلولوز از پرکاربردترین پلیمرهای مشتق­­ از سلولوز است. امروزه این پلیمرها، به ­ویژه اتیل سلولوز به­ طور گسترده در صنایع سرامیک، لوازم آرایشی و بهداشتی، داروسازی، دخانیات، رنگ، کاغذ، غذا، پارچه، انواع قطعات قالب­گیری ­شده و جوهر چاپ استفاده می ­شوند. تجدیدپذیری، زیست­ سازگاری و در مواردی زیست ­تخریب ­پذیری اتیل سلولوز در کنار استحکام کششی زیاد و چقرمگی مناسب آن، موجب می ­شوند تا این پلیمر در آینده نقش پررنگ­ تری در دانش و فناوری پلیمر داشته باشد. در این مقاله، ضمن معرفی اتیل سلولوز، خواص و ویژگی­ های گوناگون آن، کاربردهای مختلف آمیخته ­های  این پلیمر نیز مرور شده است.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

A Review of the Characteristics and Applications of Ethyl Cellulose

نویسندگان [English]

  • Ehsan Alikhani
  • Salar Haghjoo
  • Ali Khalili Gasht Roudkhani
Polymer Engineering Department, Qom University of Technology, Qom, Iran
چکیده [English]

Cellulose is the main constituent of most plants. The renewability of this material has made it a natural raw material which is abundantly available and there is no need to worry about running out of its resources. However, the industrial application of cellulose as a thermoplastic polymer is associated with some problems and difficulties. Due to the presence of strong hydrogen bonds between its chains, cellulose is destroyed before melting. In order to eliminate such difficulties, researchers have developed celluloses derivatives. Ethyl cellulose is one of the most widely used polymers derived from cellulose. Today, cellulose derivative polymers, such as ethyl cellulose in particular, are widely used in numerous industries like ceramic manufacturing, cosmetics, pharmaceuticals, tobacco, paint, paper, food, textile, various molding parts and printing ink. Renewability, biocompatibility, and in some cases the biodegradability of this polymer along with its high tensile strength and appropriate toughness, make this polymer play a prominent role in polymer science and technology in the future. In this article, along with the introduction of ethyl cellulose, its various properties and characteristics, the different applications of this polymer's mixtures have also been reviewed.

کلیدواژه‌ها [English]

  • cellulose
  • ethylcellulose
  • biocompatibility
  • biodegradability
  • renewability
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