Results 211 to 220 of about 941,213 (269)
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Polymer-polymer interaction parameters in solvent/polymer/polymer ternary systems
European Polymer Journal, 1981Abstract Empirical equations defining the relationships between b23 and χ23 interaction parameters for the ternary systems toluene (1)/poly(dimethylsiloxane), PDMS, (2)/polystyrene, PS, (3) and benzene (1)/PDMS(2)/PS(3) have been determined. The dependences of both interaction parameters on the mean molecular weights of the macromolecular components ...
V. Soria, J.E. Figueruelo, A. Campos
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Nature Physical Science, 1973
Macromolecular Science. Edited by C. E. H. Bawn. Consultant Editor A. D. Buckingham. (MTP International Review of Science Physical Chemistry Series One Volume 8.) Pp. 369. (Butterworth: London; University Park: Baltimore Maryland, 1972.) £10; $24.50.
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Macromolecular Science. Edited by C. E. H. Bawn. Consultant Editor A. D. Buckingham. (MTP International Review of Science Physical Chemistry Series One Volume 8.) Pp. 369. (Butterworth: London; University Park: Baltimore Maryland, 1972.) £10; $24.50.
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Electroluminescence of a Polymer Film with a Polymer/Polymer Interface
JETP Letters, 2019The effect of a two-dimensional quantum-confined structure formed at a polymer/polymer interface on the radiative recombination of excitons (i.e., electroluminescence) is investigated. It is shown that the implementation of such a structure in a polymer film leads to an increase in the emission intensity by more than two orders of magnitude and a ...
S. K. Lezhnev +5 more
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Polymer-Polymer Phase Behavior
Science, 1991Different polymers can be combined into a single material in many ways, which can lead to a wide range of phase behaviors that directly influence the associated physical properties and ultimate applications. Four factors control polymer-polymer phase behavior: choice of monomers, molecular architecture, composition, and molecular size. Current theories
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Chemical Reviews, 2001
Various aspects of supramolecular polymer were discussed. The hydrogen bonding enforced by liquid crystallinity and phase separation in the supramolecuar polymers were examined. The supramolecular polymers, based on discotic molecules, such as tryphenylenes, pthalocyanines and porphyrins were also elaborated.
L. Brunsveld +3 more
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Various aspects of supramolecular polymer were discussed. The hydrogen bonding enforced by liquid crystallinity and phase separation in the supramolecuar polymers were examined. The supramolecular polymers, based on discotic molecules, such as tryphenylenes, pthalocyanines and porphyrins were also elaborated.
L. Brunsveld +3 more
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Chemical Reviews, 2016
Recent advances in controlled/living polymerization techniques and highly efficient coupling chemistries have enabled the facile synthesis of complex polymer architectures with controlled dimensions and functionality. As an example, star polymers consist of many linear polymers fused at a central point with a large number of chain end functionalities ...
Ren, Jing M. +9 more
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Recent advances in controlled/living polymerization techniques and highly efficient coupling chemistries have enabled the facile synthesis of complex polymer architectures with controlled dimensions and functionality. As an example, star polymers consist of many linear polymers fused at a central point with a large number of chain end functionalities ...
Ren, Jing M. +9 more
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Polymer/Solvent and Polymer/Polymer Interaction Studies
1979Abstract : The technique of gas chromatography has been used to investigate the solution properties of many solvents with a propargyl (acetylene-terminated) sulfone (PATS). In this case, unlike previous work on the RADEL polysulfone, no correlation between the strength of the specific interaction parameter and the solubility as determined from beaker ...
Ted A. Powell +4 more
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Polymer structure and dynamics, and polymer-polymer interactions
Advances in Colloid and Interface Science, 1996Abstract Special architectures can be constructed from macromolecular building blocks by placing functional groups at well defined positions on the polymeric object. These functional groups can be linked together either by chemical reaction or by non-covalent bonds. Often, however, the position of the functional groups is not sufficiently well known,
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