Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Bettina Zimmer"'
Autor:
Wulff Possart, Bettina Zimmer
The chemical structure, polymer mobility and mechanical properties are studied for a cross-linked amorphous poly(ether urethane) (PU) from glass transition to rubber elasticity for juvenile dry samples and for water-saturated states after exposure to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f0cd73358c9a9b9a21868b9a56aed139
Publikováno v:
Thermochimica Acta. 677:144-150
Detailed knowledge and understanding of volume expansion properties is essential for various fields of application of composite materials. This holds in particular for the evolution of polymerization-induced shrinkage and the evolution of the statics
Publikováno v:
Polymer. 149:238-252
Autor:
Antonina Krieger, Peter Bitomsky, Wulff Possart, Andreas Hartwig, Bettina Zimmer, Christophe Nies
Publikováno v:
adhäsion KLEBEN & DICHTEN. 61:48-52
In der Klebetechnik versteht man unter dynamischem Verhalten (Grenzschichtreifung) vorübergehende oder permanente Änderungen der mechanischen Eigenschaften und der Klebfestigkeit. Diese Änderungen treten innerhalb weniger Stunden oder Tage nach Fe
Publikováno v:
Polymer. 115:77-95
Due to their chemical and morphological versatility, polyurethanes may be susceptible to fabrication conditions (curing procedure, moisture). Industry reports ‘maturation’ phenomena, i.e. unstable mechanical properties of PU elastomers and PU bas
Publikováno v:
Journal of Physics: Condensed Matter. 32:324004
Temperature modulated DSC is used to study the fragility of three different bulk metallic glass forming liquids. Through applying various modulation frequencies, the dynamic glass transition shifts in temperature, allowing to determine the temperatur
Publikováno v:
Thermochimica Acta. 686:178410
A long-lasting technological and scientific need exists for more detailed understanding of the dynamics of thermo-mechanical properties of polymers. This article demonstrates how low-frequency dynamics and ultraslow kinetics of thermal expansion of p
Publikováno v:
Veterinary Microbiology. 162:78-84
Viruses may remain infectious outside the host cell for considerable time and represent a source of accidental infection if not properly inactivated. In this study, the survival of vesicular stomatitis virus (VSV) in suspension and dried on surfaces
Publikováno v:
International Journal of Health Policy and Management, Vol 11, Iss 8, Pp 1342-1353 (2022)
Background In contrast to neighboring countries, German and Swiss authorities refrained from general curfews during the first pandemic wave in spring 2020, calling for solidarity and personal responsibility instead. Using a qualitative methodology, t
Externí odkaz:
https://doaj.org/article/cb96cc5a07f8435fb13f9d50c92f158e
Publikováno v:
SSM: Qualitative Research in Health, Vol 2, Iss , Pp 100172- (2022)
This article draws lessons for organizing and designing large-scale qualitative comparative research in turbulent, rapidly evolving, real-world settings. The challenge to the researcher is that such studies need to meet conflicting requirements of ri
Externí odkaz:
https://doaj.org/article/ad8664070d1947639356d497ad0e2006