Topic
Polymer blend
About: Polymer blend is a research topic. Over the lifetime, 18474 publications have been published within this topic receiving 437183 citations. The topic is also known as: polymer mixture & Polymerblend 或者 Polyblend.
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109 citations
TL;DR: In this paper, the development of self-assembled magnetic CoFe2O4 nanoparticles within polymer matrices at room temperature is reported, which are uniformly dispersed within the polymer matrix and have an average radius of 4.8±1.4nm.
Abstract: The development of self-assembled magnetic CoFe2O4 nanoparticles within polymer matrices at room temperature is reported. Diblock copolymers consisting of poly (norbornene) and poly (norbornene-dicarboxcylic acid) (NOR/NORCOOH) were synthesized. The self-assembly of the mixed metal oxide within the NORCOOH block was achieved at room temperature by processing the copolymer nanocomposite using wet chemical methods. Morphology and magnetic properties were determined by superconducting quantum interference device magnetometry, transmission electron microscopy, wide angle x-ray diffraction, and 57Fe Mossbauer spectroscopy. The CoFe2O4 nanoparticles are uniformly dispersed within the polymer matrix, and have an average radius of 4.8±1.4 nm. The nanocomposite films are superparamagnetic at room temperature and ferrimagnetic at 5 K.
109 citations
TL;DR: In this article, the Diels-Alder click reaction was successfully applied for the preparation of 3-arm star polymers (A3) using furan protected maleimide end-functionalized polymers and trianthracene functional linking agent (2) at reflux temperature of toluene for 48 h.
Abstract: Diels–Alder click reaction was successfully applied for the preparation of 3-arm star polymers (A3) using furan protected maleimide end-functionalized polymers and trianthracene functional linking agent (2) at reflux temperature of toluene for 48 h. Well-defined furan protected maleimide end-functionalized polymers, poly (ethylene glycol), poly(methyl methacrylate), and poly(tert-butyl acrylate) were obtained by esterification or atom transfer radical polymerization. Obtained star polymers were characterized via NMR and GPC (refractive index and triple detector detection). Splitting of GPC traces of the resulting polymer mixture notably displayed that Diels–Alder click reaction was a versatile and a reliable route for the preparation of A3 star polymer. © 2007 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 46: 302–313, 2008
108 citations
Patent•
23 Dec 1997TL;DR: A blend of polycarbonates of dihydroxydiphenyl cycloalkanes and optionally 4,4'-isopropylidenediphenol with polyesters from terephthalic acid, isophthalic acid and 1,4-cyclohexanedimethanol, having the advantage of being colorless and providing an unexpected amount of impact strength, hardness and heat resistance.
Abstract: A blend of polycarbonates of dihydroxydiphenyl cycloalkanes and optionally 4,4'-isopropylidenediphenol with polyesters from terephthalic acid, isophthalic acid, 1,4-cyclohexanedimethanol and 2,2,4,4-tetramethyl-1,3-cyclobutanediol, having the advantage of being colorless and providing an unexpected amount of impact strength, hardness and heat resistance. The polymer blends are especially suitable for the manufacture of clear molded articles, fibers, sheeting, and film.
108 citations
TL;DR: In this article, the Ionic conductivity and thermal behavior of PMMA/PVdF complexes were studied with various salt concentrations, temperature and plasticizer content, and the network structure of the polymer complexes were also investigated using SEM.
108 citations