منابع مشابه
Persistence Length of Cationic Dendronized Polymers From AFM Images
The persistence length (PL) of dendronized polymers adsorbed on substrates was investigated by atomic force microscopy image analysis. Cationic dendronized polymers from generation 1 to 4 (PG1 PG4) were prepared in solutions with different electrolyte concentrations and subsequently adsorbed on mica, silica, gold, and highly oriented pyrolytic graphite (HOPG). The adsorbed polymers were imaged ...
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Cyanoacrylates were commercially introduced in 1950 by Tennesee Eastman Company. Cyanoacrylate adhesives are monomeric adhesives. They are generally quick-setting materials which cure to clear, hard glassy resins, useful as sealants, coatings, and particularly adhesives for bonding together a variety of substrates [1]. Polymers of alkyl 2-cyanoacrylates are also known as superglues. In addition...
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Photopolymerization techniques provide a number of economic advantages over the usual thermal techniques. These include: rapid cure reaction, low energy requirements, use of room temperature and solvent free formulations as well as low cost. Light beams are used to start the photochemical reactions in organic materials (monomers, oligomers, polymers) to form a new polymeric system This techniqu...
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Azobenzene, with two phenyl rings separated by an azo (–N=N–) bond, serves as the parent molecule for a broad class of aromatic azo compounds. These chromophores are versatile molecules, and have received much attention in research areas both fundamental and applied. The strong electronic absorption maximum can be tailored by ring substitution to fall anywhere from the ultraviolet (UV) to visib...
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Utilization of polymers as biomaterials has greatly impacted the advancement of modern medicine. Specifically, polymeric biomaterials that are biodegradable provide the significant advantage of being able to be broken down and removed after they have served their function. Applications are wide ranging with degradable polymers being used clinically as surgical sutures and implants. In order to ...
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ژورنال
عنوان ژورنال: Microscopy and Microanalysis
سال: 2003
ISSN: 1431-9276,1435-8115
DOI: 10.1017/s1431927603442268