کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9678792 | 1454375 | 2005 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Dynamics in adsorbed homopolymer layers: Understanding complexity from simple starting points
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
شیمی کلوئیدی و سطحی
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چکیده انگلیسی
Now more than ever, smart material interfaces in a variety of applications demand control over complex interfacial processes, often involving adsorbed polymers. To this end, this opinion article addresses the dynamic complexity in homopolymer layers adsorbed at liquid-solid interfaces, summarizing some of the simplest examples and examining the potential impact of specific complicating mechanisms: The distinction between diffusion limited (in free solution) and surface-controlled chain release is made, and then for the latter, several different cases of single-exponential desorption, self-exchange, and displacement are compared: Though the systems present great chemical variety, they have either a limited number of or a weak energy of segment-surface contacts. Increasing the strength and/or numbers of these contacts complicates dynamics, as does increasing molecular weight which can introduce chain pinning.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Current Opinion in Colloid & Interface Science - Volume 10, Issues 3â4, October 2005, Pages 176-183
Journal: Current Opinion in Colloid & Interface Science - Volume 10, Issues 3â4, October 2005, Pages 176-183
نویسندگان
Maria M. Santore,