نتایج جستجو برای: ionic polymerization
تعداد نتایج: 75735 فیلتر نتایج به سال:
We have used N,N'-1,4-phenylenebismaleimide, a bifunctional sulfhydryl cross-linking reagent, to probe the oligomeric state of actin during the early stages of its polymerization into filaments. We document that one of the first steps in the polymerization of globular monomeric actin (G-actin) under a wide variety of ionic conditions is the dimerization of a significant fraction of the G-actin ...
Polyols are typically produced using batch processes and KOH as the dominant homogeneous catalyst. In this case, the main reaction is an ionic polymerization reaction, and products with narrow molecular weight distributions (MWDs) are typically obtained. As observed in living polymerization systems, polyols of varying molecular weights serve as starting points for manufacture of polyols of high...
The ability to bridge ionic and electronic transport coupled with large volumetric capacitance renders organic electrochemical transistors (OECTs) ideal candidates for bioelectronic applications. Adopting ionic-liquid-based solid electrolytes extends their applicability facilitates large-area printable productions. However, OETCs employing tend show a pronounced hysteresis in the transfer curve...
We present the simultaneous synthesis of a hollow fiber membrane with selective layer created by means polyelectrolyte complexation (PEC), to be used as in forward osmosis. The aim this single-step approach was create defect-free robust and circumvent challenges associated coating via interfacial polymerization. nascent PEC characterized SEM imaging well determining streaming potential pure wat...
Ionic liquids (ILs) are utilized for a wide range of applications today due to their low vapor pressure, near infinite combination cations and anions with varying chemical functionalities, organic inorganic species solubility, as well superb thermal stabilities. In this work, four ILs used additives 3D printing resins add flexibility the final printed parts. The interest 1-n-butyl-3-methylimida...
پوشش های پایه قیری اولین پوشش های محافظتی مورد استفاده توسط بشر برای محافظت و جلوگیری از خوردگی بوده اند و امروزه نیز با توجه به قیمت پایین و خواص محافظتی خوبی که از خود ارائه می دهند به عنوان یکی از پر مصرف ترین پوشش های ضد خوردگی (به خصوص در پوشش دهی خطوط لوله های انتقال و سازه های فلزی غوطه ور در دریا) کاربرد وسیعی دارند. در این تحقیق به بررسی مقاومت به خوردگی دو پوشش محافظتی قیری بر پایه دو...
A hydrophobic ionic liquid (1-octyl-3-methylimidazolium hexafluorophosphate, C8mimPF6) with a function of inhibiting corrosion was encapsulated at different concentrations in the copolymer poly (methyl methacrylate) and (butyl acrylate) through miniemulsion polymerization. These latexes were coated on steel samples whose properties evaluated by electrochemical techniques. It found that increasi...
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