Defined High Molar Mass Poly(2‐Oxazoline)s
نویسندگان
چکیده
منابع مشابه
Degradation of high-molar-mass hyaluronan and characterization of fragments.
A sample of high-molar mass hyaluronan was oxidized by seven oxidative systems involving hydrogen peroxide, cupric chloride, ascorbic acid, and sodium hypochlorite in different concentrations and combinations. The process of the oxidative degradation of hyaluronan was monitored by rotational viscometry, while the fragments produced were investigated by size-exclusion chromatography, matrix-assi...
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متن کاملSolution properties of high-molar-mass hyaluronans: the biopolymer degradation by ascorbate.
An accurate molecular characterization, molar mass and size distributions, of 10 hyaluronan (HA) samples was performed by using a multi-angle light scattering detector connected on-line to a size exclusion chromatographic system. The dynamic viscosity eta of the HA solutions was investigated using a rotational viscometer. On monitoring the sample dynamic viscosity for up to 5h, a small however ...
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High molar mass poly(N-vinylcaprolactam) (PVCa) was synthesized by free-radical bulk polymerization. Four narrowly distributed fractions of PVCa were obtained in the tetrahydrofuran/nhexane mixture. A combination of static and dynamic laser light scattering led to a scaling between the translational diffusion coefficient (D) and molar mass (M), D (cm2/s) ) 8.47 × 10Mw, with which we transferred...
متن کاملHigh molar mass polymers by cationic polymerisation in emulsion and miniemulsion.
The generation of poly(p-methoxystyrene) with a molar mass of several thousand g mol(-1) by cationic polymerisation in emulsion, is described here for the first time. Such a striking result was achieved by carrying out the polymerisation inside monomer droplets, thus preventing fast transfer reactions with water.
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ژورنال
عنوان ژورنال: Angewandte Chemie International Edition
سال: 2018
ISSN: 1433-7851,1521-3773
DOI: 10.1002/anie.201807796