نتایج جستجو برای: atrp

تعداد نتایج: 663  

Journal: :Journal of Applied Polymer Science 2023

The cover designed by the Chmielarz Research Group refers to wine-based miniemulsion used as a polymerization medium for synthesis of non water-miscible polymethacrylates first time. Various types wines were presented antioxidant-rich solvents, which enabled controlled hydrophobic (co)polymers. Dry wine was characterized best candidate double-controlled winebased ATRP. DOI: 10.1002/app.53367

حسین مهدوی, خضراله خضری

 پلیمریزاسیون رادیکالی انتقال اتم (ATRP) راهی مناسب برای تهیه پلیمرهای خوش ساختار با جرم مولکولی از پیش تعیین شده و شاخص پراکندگی پایین فراهم می‌کند. ATRP به عنوان یک عضو محبوب از خانواده پلیمریزاسیون رادیکالی کنترل‌شده (CRP) مزایایی را نسبت به دیگر روش‌های CRP فراهم کرده است که کاربرد روش‌های شروع متفاوت یکی از ویژگی‌های منحصر به فرد آن به شمار می‌رود. اگر چه پلیمریزاسیون رادیکالی انتقال اتم م...

2014
Alexander Hoffmann Olga Bienemann Ines dos Santos Vieira Sonja Herres-Pawlis

The guanidine hybrid ligands, (tetramethylguanidine)methylenepyridine (TMGpy) and (dimethylethyleneguanidine)methylenepyridine (DMEGpy), were proven to be able to stabilize copper complexes active in the solvent-free polymerization of styrene at 110 °C using 1-phenylethylbromide as the initiator. The polymerization proceeded after first-order kinetics, and polystyrenes with polydispersities aro...

Journal: :Journal of the American Chemical Society 2004
Ying Mei Kathryn L Beers H C Michelle Byrd David L VanderHart Newell R Washburn

A versatile methodology to prepare hybrid biomaterials by atom transfer radical polymerization from resin-supported peptides has been established. As an example, we have synthesized a GRGDS-functionalized poly(2-hydroxyethyl methacrylate). The peptide-polymer was characterized by solid-state (13)C NMR and GPC and found to have a number average molecular weight of 4420 and a polydispersity of 1....

2016
Etienne Cabane Tobias Keplinger Tina Künniger Vivian Merk Ingo Burgert

Wood, a natural and abundant source of organic polymers, has been used as a scaffold to develop novel wood-polymer hybrid materials. Through a two-step surface-initiated Atom Transfer Radical Polymerization (ATRP), the porous wood structure can be effectively modified with polymer chains of various nature. In the present study, polystyrene and poly(N-isopropylacrylamide) were used. As shown wit...

2011
Tyler G. Libey Gilad Zorn David G. Castner

Titanium is commonly used as an orthopedic biomaterial due to its unique mechanical properties and good corrosion resistance. However, after implantation into the body, titanium does not always integrate completely with bone. Its performance can be improved by surface modification with an osteointegrative, bioactive coating such as poly(sodium styrene sulfonate) (pNaSS). Thin films of NaSS were...

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