111 research outputs found
Multi-end functionalised polymer additives synthesised by living anionic polymerisation—the impact of additive molecular structure upon surface properties
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Impiego in Elettrochimica dell'apparato polarografico: stativo automatico AMEL 430-Elettrodo di Hg statico a goccia sessile.
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Synthesis and structure characterization of liquid crystalline polyacrylates with unconventional fluoroalkylphenyl mesogens
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Performance of the AMEL 430 automated polarographic stand-static sessile mercury drop electrode apparatus at high negative potentials.
No full textComblike Polymers. 8. Synthesis and Characterization of an Alternate Copolymer of Phthalic Anhydride and Octadecyloxirane
No full textAnalysis of living tert-butyl methacrylate oligoanions in tetrahydrofuran by NMR spectroscopy, viscosity and light scattering
Full text linkPrevious kinetic studies concluded on the aggregation of the anionic chain ends of living tert-butyl methacrylate oligomers [PtBMA-, Li+] in THF at low temperature. This aggregation has been confirmed by viscosimetry, light scattering and gradient field NMR techniques in a range of temperature from 253 K to 298 K. These techniques have been systematically used for the analysis of both the living oligomers and the same chains recovered after hydrolysis of the anionic end groups. The structure of the growing anionic species was analyzed by means of 13C and 7Li NMR spectroscopy. 13C NMR required the selective labeling of the last monomer units by 13C atoms
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