مروری بر سازوکار، ساختار و کاربرد پلیمرهای حافظه شکلی
محورهای موضوعی : پليمرها درسامانه های اپتیکی و الکترونیکی، لیزری و انعطاف پذیر
1 - دانشگاه صنعتی امیرکبیر
کلید واژه:
چکیده مقاله :
پلیمرهای حافظه شکلی (SMPs)، جایگاهی ویژه از مواد را تشکیل می‌دهند و به‌عنوان یکی از نمایندگان سامانه‌های پلیمری هوشمند، در سال‌های اخیر بسیار مورد توجه قرار گرفته‌اند. پلیمرهای حافظه شکلی، پلیمرهای پاسخگو به محرک هستند. عوامل تحریک‌کننده ورودی می‌تواند به‌صورت نور، دما، تغییر pH، تغییر حلال، میدان‌های الکتریکی یا مغناطیسی باشد که خروجی آن‌ها کرنش است. امروزه این پلیمرها، توجه زیادی را به خود جلب کرده است و علاوه‌براین تحقیقات بنیادی و نوآوری‌های بسیاری روی این مواد انجام می‌شود. بررسی حاضر، مروری کوتاه با توجه ویژه بر ساختار، سازوکارها و کاربردهای SMPها، اثر حافظه شکلی و هم‌چنین پیشرفت‌ها و مفاهیم حال حاضر را که برای این پلیمرها انجام شده است، ارائه می‌کند. از جمله کاربردهای پلیمرهای حافظه شکلی می‌توان در صنایع پزشکی، صنایع تجاری، صنایع هوافضا، پلیمرهای خودترمیم‌شونده و غیره اشاره کرد.
Shape memory polymers (SMPs) represent a highly special class of materials. As one representative of the intelligent polymeric systems, these materials gained significant interest in recent years. SMPs are stimuli-responsive polymers, which act as stimulants like light, temperature, PH changes, solvent changes, electrical fields or magnetic fields, and their output is strain. Also, these polymers are highly regarded as essential for fundamental research and technological innovation. The present review will provide a short overview with particular attention to structure, mechanisms and applications of SMPs, shape memory effects and, as well as the current developments and concepts for shape memory polymers. The applications of shape memory polymers can be noted in medical industries, commercial industries, S hape memory polymers (SMPs) represent a highly special class of materials. As one representative of the intelligent polymeric systems, these materials gained significant interest in recent years. SMPs are stimuli-responsive polymers, which act as stimulants like light, temperature, PH changes, solvent changes, electrical fields or magnetic fields, and their output is strain. Also, these polymers are highly regarded as essential for fundamental research and technological innovation. The present review will provide a short overview with particular attention to structure, mechanisms and applications of SMPs, shape memory effects and, as well as the current developments and concepts for shape memory polymers. The applications of shape memory polymers can be noted in medical industries, commercial industries, aerospace industries, self-healing polymers, etc. aerospace industries, self-healing polymers, etc.
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