246 Result(s)
within
Chemistry
Characterization and Evaluation of Materials
Nanotechnology and Microengineering
Physical Chemistry
Polymer Sciences
Qi**g Yu
Article
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Article
Physikalisch-chemische Untersuchungen an Eisenoxydsolen, I
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Bei der Verdünnung von Eisenoxydsolen mit ihrem Ultrafiltrat bleibt ihr ζ-Potential unverändert, ihre Dissozi...
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Physikalisch-chemische Untersuchungen an Eisenoxydsolen, II. Über die Ladung bei unregelmä\igen Reihen
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Es wurden quantitativ mit der Burtonschen U-Rohr-Methode die Ladungserscheinungen verfolgt, die bei der unreg...
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Effect of molecular packing density on the crystallization rates of linear polymers from the melt
Analysis of the existing experimental data on the crystallization rates of polymers from the melt has shown that the value of the pre-exponential factor, G0, in the growth-rate equation is strongly dependent on t...
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Temperature transitions in filled block copolyurethanes
For block-copolyurethanes with cristallizable and amorphous blocks the influence of different fillers on temperature transitions was investigated. It has been shown that fillers influence selectively onto tran...
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Adhäsion von polymeren Bindemitteln an Glasfaser
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Thermodynamics and kinetics of phase transitions in linear polyurethanes from hexa(methylene diisocyanate) and low molecular weight glycoles
Linear polyurethanes based on hexa(methylene diisocyanate) and oligo(ethylene glycoles) were studied using the methods of differential calorimetry, dilatometry and hot-stage microscopy. Thermodynamic analysis ...
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Lichtechtheit bei gefärbten Fasern
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Die Verwendung von Kompressionsmessungen zur Untersuchung der Zug-Dehnungs-Bezichungen und der Volumabhängigkeit der elastischen freien Energie eines polymeren Netzwerkes
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Thermoelastische Untersuchungen von Dien-Polymeren bei Dehnung und Kompression
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Lichtechtheit von Reaktiv-Farbstoffen
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Phase equilibria in water-protein-polysaccharide systems
Phase separation and thermodynamic stability of water (W) — casein (C) — neutral polysaccharide (NPS) systems have been studied. Dextrans of different molecular weights D40, D150, D500 and D2000 (10−3 M ...
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Ein aufgerolltes Kapillarviskosimeter für Blut
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Action of surface-active substances on biological membranes I. Effect of chemical modification of membranes on hemolysis of erythrocytes by sodium alkyl sulfates
The hemolytic action of a homologous series of sodium alkyl sulfates (C 8 toC 15) on dog and human erythrocytes was measured. The influence of trypsin, pronase and neuraminidase treatments on the lytic resistance...
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Crystallization of filled Nylon 6 II. Isothermal crystallization
Isothermal crystallization kinetics from the melt of nylon 6 containing various amounts of untreated glass beads and Aerosil (series GB and A) and aminosilane-treated glass beads (series GBA) was studied by DS...
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Crystallization of filled nylon 6 III. Non-isothermal crystallization
DSC data on crystallization kinetics from the melt at different cooling rates of nylon 6 containing various amonts of untreated and surface-treated fillers, were analyzed in terms of a modified Kolmogorov-Avra...
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Phase equilibria in water-protein-polysaccharide systems
Phase equilibria in the ternary water-soy bean globulins-polysaccharides systems, containing various acidic and neutral polysaccharides (pectin, sodium alginate, carboxymethylcellulose, arabic gum, dextransulp...
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Investigation of antibody structures by scattering techniques
Different experimental methods - hydrodynamical measurements, electronmicroscopy, X-ray crystallography, Yray and neutron small-angle scattering — provide data on the shape and dimensions of immunoglobulin mol...
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Analysis of the contribution of skeletal vibrations to the heat capacity of linear macromolecules in the solid state
Automatic computer programs are developed to calculate one- two-, and three-dimensional Debye functions. Prior tables of these functions are critically reviewed. Also, strategies are derived to calculate Debye...
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Thermophysical behaviour of solid polymers in simple elongation: A structural and molecular interpretation
Thermodynamic aspects of reversible simple extension of solid polymers have been considered in terms of the conventional equation of state and equations have been obtained for the thermodynamic functions. It i...
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Thermoelasticity of segmented polyurethanes
Various diphenylmethane diisocyanate-containing polyurethanes whose soft blocks differ in polarity and crystallizability have been investigated using deformation and scanning calorimetry to ascertain the contr...
