21 November 2017 - سه شنبه 30 آبان 1396
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کلید واژگان
جستجوی پیشرفته
شناسنامه ی نشریه
صاحب امتیاز:
موسسه پژوهشی علوم و فناوری رنگ و پوشش
مدیر مسئول:
پروفسور زهرا رنجبر
سردبیر:
دکتر شهره روحانی
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دکتر مریم عطائی فرد
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2251-7278
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2383-2223
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هوازدگی چوب و روش‌های پیشگیری و کنترل آن با استفاده از پوشش‌ها

نشریه: سال پنجم - شماره چهارم - زمستان 1394 - مقاله 7   صفحات :  47 تا 58



کد مقاله:
JSCW-02-09-2015-10235

مولفین:
مهرناز اکبرنژاد: دانشگاه علوم کشاورزی و منابع طبیعی گرگان - گروه علوم و صنايع چوب و كاغذ
داود رسولی: دانشگاه علوم کشاورزی و منابع طبیعی گرگان - گروه علوم و صنايع چوب و كاغذ
حسین یوسفی: دانشگاه علوم کشاورزی و منابع طبیعی گرگان - گروه علوم و صنايع چوب و كاغذ
مهدی مشکور: دانشگاه علوم کشاورزی و منابع طبیعی گرگان - گروه چندسازه های چوبی- دانشکده مهندسی چوب و کاغذ


چکیده مقاله:



محصولات چوبی مورد استفاده در محیط های بیرونی به سبب قرارگیری در برابر تابش اشعه ماوراءبنفش خورشید و آب دچار پدیده هوازدگی می‌شوند، که این امر اثرات نامطلوبی بر خواص کاربردی چوب از جمله زیبایی، مقاومت‌های فیزیکی و مکانیکی دارد. برای مقابله با این پدیده، تولید و استفاده از پوششهای مناسب یکی از راهکارهای موثر در این زمینه می باشد که بسته به محل کاربرد در محیط های بیرونی و یا مکان های سرپوشیده به انواع مختلفی تقسیم می شوند؛ همچنین اخیرا اصلاح چوب با روش های شیمیایی، حرارتی و یا اصلاح با نانو مواد جهت کاهش پدیده هواردگی بسیار مورد توجه قرار گرفته است. در این مقاله سعی شده ضمن معرفی فرآیند هوازدگی چوب، روش‌های کنترل و توسعه نوین محافظت در برابر این پدیده مورد بررسی قرار گیرد. کلمات کلیدی: اشعه ماوراء بنفش، چوب، نانو مواد، هوازدگی چوب.


Article's English abstract:

The use of wood products in outdoors leads to weathering phenomen by ultraviolet radiation and water. It has negetive effects on the functional properties of wood such as aesthetics, physical and mechanical properties. One of the effective stertegy is producing and applying suitable coatings depending on the used enviroment divided into different types. Recently, modification of wood by chemichal, thermal or nano materilas is also considered to reduce weathering phenomen in wood. In this paper, we introduce the weathering process of wood and methods to control this phenomenon.


کلید واژگان:
کلمات کلیدی: اشعه ماوراء بنفش، چوب، نانو مواد، هوازدگی چوب.

English Keywords:
Ultraviolet, wood, nanoparticles, Nanomaterials, Wood weathering

منابع:

English References:
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