Properties and Structure of Polymers von Arthur V. Tobolsky. Wiley Series on the Science and Technology of Materials. John Wiley and Sons Inc., Publishers, New York, London 1960. 331 Seiten. Preis: $ 14.50No abstract is available for this article.doi:10.1002/bbpc.19610650743K. A. Wolf...
The relatively new class of polymers known as ionomers contain ionic bonds, as will be discussed later. B. THE COVALENT BOND In the previous section, we saw that the stable inert gas electronic configuration can be achieved by electropositive elements through ionization. For elements in the ...
The physical structure of crystalline polymers is affected not only by intrinsic molecular properties such as constitution and configuration but also by external factors such as polymer concentration and cooling rates during crystallization. Most polymers are used industrially because of their solid-state ...
We prepared nanoparticles from ester-terminated PLGA-PEG polymers via nanoprecipitation, and studied the effects of altering the solvent-water miscibility (THF, acetone, and acetonitrile). Morphology, size, polydispersity, and ζ-potential of PLGA-PEG nanoparticles were characterized. Small angle neutron...
has great potential for the design of macromolecular ar- chitecture leading to advanced nano-materials and de- vices.1–11 All the features and functions of polymers importantly depend on primary chain structures and the manner of polymer chain assembly in crystalline and non-crystalline solids, or...
We obtained the experimental data, which the phase-separated domain size of multiblock copolymer decreased with decreasing film thickness. KEY WORDS: Polyurethane / Microphase-separated Structure / Atomic Force Microscopy / Thin Film / A microphase-separated structure formed in polymers plays a quite ...
of structure formation. Recent technical developments have made it possible to accumulate relevant information for both ionic polymers and colloidal particles in dilute systems. The outstanding phenomenon experimentally found is microscopic inhomogeneity in the solute distribution in macroscopically homogeneous ...
The results of a number of investigations carried out by the electron microscope and by direct structural techniques make it possible to obtain such an estimation. In this work the formation of ordered structures in amorphous polymers has been found by investigating solutions of polymers with the ...
In the semi-dilute solutions of polymers (Cp¼8 g dlÀ1), the crosslinking between the polymer chains did not change the structure because the chains overlapped each other before crosslinking. This lack of structural change means that the structure of the semi-dilute polymer solution was ...
p-Stacked polymers can be prepared by vinyl polymerization of dibenzofulvene (DBF) and its derivatives. On the basis of the controlled structure, poly(DBF) and its derivatives exhibit unique photophysical and electronic properties as vinyl polymers. In addition, introduction of chirality to p-...