Zobrazeno 1 - 5
of 5
pro vyhledávání: '"W. R. Pechhold"'
Publikováno v:
High Pressure Research. 8:409-411
We present an analytical equation of state (EOS) for solids using the bulk Gruneisenparameter γ. This EOS is applied to experimental V(p. T)-data of polycarbonate below the glass temperature, measured in a piston-cylinder apparatus up to 300 MPa. Bu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4dd42993b140e967a1a113176146fac9
https://doi.org/10.1080/08957959108260691
https://doi.org/10.1080/08957959108260691
Publikováno v:
Pure and Applied Chemistry. 46:127-134
An improvement of the bundle model gives the possibility to discuss quantitatively the solid state transition and the final melting of PE and calculate the transition data as well as the cooperativity. A similar quantitative treatment is carried out
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2cbd98fb3d1d4d5e03d50ac4037f4332
https://doi.org/10.1351/pac197646020127
https://doi.org/10.1351/pac197646020127
Publikováno v:
Colloid and Polymer Science. 260:378-393
Assuming bundles (of shortrange ordered macromolecules, folding back and forth statistically), their equilibrium superstructure and diameter are described on the basis of cluster-entropy-hypothesis (CEH). As primary blocks in the bulk polymer and in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c679b2b6a5d9358b65b09e370b2c4955
https://doi.org/10.1007/bf01448144
https://doi.org/10.1007/bf01448144
Autor:
W. R. Pechhold
Publikováno v:
Colloid and Polymer Science. 258:269-288
Ausgehend von Molekulbundeln (mit Schmelznahordnung und internen Kettenuickfaltungen aber mit noch unbekanntem Bundeldurchmesser) wird deren Gleichgewichts-Superstruktur auf der Grundlage der Cluster-Entropie-Hypothese thermodynamisch-statistisch bes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6d8d5b1f396790ac5fc6afc186062a02
https://doi.org/10.1007/bf01466666
https://doi.org/10.1007/bf01466666
Autor:
H. P. Grossmann, W. R. Pechhold
Publikováno v:
Colloid & Polymer Science. 264:415-422
On the basis of atomistic calculations a rotator model of the high temperature Condis phase of polyethylene is proposed. Its cooperative statistical treatment (using CEH for the lateral packing of chains) explains the first order transition from the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7352b0c7e0ec7cd293cc7cdafea28531
https://doi.org/10.1007/bf01419545
https://doi.org/10.1007/bf01419545