نتایج جستجو برای: macroinitiator
تعداد نتایج: 77 فیلتر نتایج به سال:
Binder has a key role in the performance of composite propellants. The binders are classified into two neutral and high-energy categories. GAP is one of the most important energetic binders, but it has poor mechanical and thermal properties. The goal of this investigation is to improve the properties of GAP by copolymerizing it with polycaprolactone. New energy triblock copolymer was synthesize...
In current study,a hydrogel based on biocompatible polymerwas prepared. The functionalization of polyvinyl alcohol (PVA)with epichlorohydrin(ECH) to produce epichlorohydrin-g-polyvinyl alcohol (PVA/ECH) as a suitable macroinitiator for atom transfer radical polymerization (ATRP) reaction was investigated.ThenN-vinyl pyrrolidone (NVP) waspolymerized on the surface of macroinitiatorin presence of...
The combination of superior optoelectronic properties and enhanced solubility for regioregular poly(3-hexylthiophene) (rr-P3HT) has enabled materials based on P3HT to be widely used for organic field-effect transistors, chemical sensors, and photovoltaic solar cells. Significantly, the optoelectronic performance of rr-P3HT thin film has been shown to depend on molecular weight, processing condi...
Abstract A process for the well‐controlled growth of acrylates by Cu‐mediated polymerization has been developed, with macroinitiator synthesized continuously in a copper tubular reactor and subsequently chain‐extended semibatch without additional copper. Extending this to methacrylates styrene, however, proven difficult due significant reduction reaction rate. This barrier overcome chain‐extend...
Post-polymerization modification offers a facile and effective tool for adapting polymer properties. However, it has not been applied to poly(propylene carbonate) (PPC) as traditional PPC lacks sufficient functional groups along the chain. In present work, first time, hydroxyl-functionalized prepared used construct PPC-brush cross-linked gels through post-polymerization approach. PPC-brushes in...
The self-assembly of block copolymers into a nanostructure with novel morphology and property has attracted an increasing interest as a new approach for materials science, chemical synthesis, and nanofabrication.1,2 Most theoretical and experimental studies have concentrated on the assembly characteristics of coil-coil block copolymers. Recently, rod-coil block copolymers have received a great ...
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