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  • 1
    Electronic Resource
    Electronic Resource
    Viscoelastic Dissipation in Wetting and Adhesion Phenomena (1995)
    s.l. : American Chemical Society
    Langmuir 11 (1995), S. 1396-1402 
    Details
    ISSN: 1520-5827
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/la00004a055
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  • 2
    Electronic Resource
    Electronic Resource
    Influence of Evaporation on Contact Angle (1995)
    s.l. : American Chemical Society
    Langmuir 11 (1995), S. 2820-2829 
    Details
    ISSN: 1520-5827
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/la00007a076
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  • 3
    Electronic Resource
    Electronic Resource
    Influence of the "Wetting Ridge" in Dry Patch Formation (1995)
    s.l. : American Chemical Society
    Langmuir 11 (1995), S. 3572-3575 
    Details
    ISSN: 1520-5827
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/la00009a047
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  • 4
    Electronic Resource
    Electronic Resource
    Environmental stress cracking fracture surfaces in polyethylene (1982)
    Springer
    Journal of materials science 1 (1982), S. 7-8 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00724703
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  • 5
    Electronic Resource
    Electronic Resource
    The role of the liquid in environmental stress cracking of polyethylene (1983)
    Springer
    Journal of materials science 2 (1983), S. 28-32 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00719949
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  • 6
    Electronic Resource
    Electronic Resource
    The influence of spherulitic size on the environmental stress cracking of low density polyethylene (1980)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 181 (1980), S. 1121-1126 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The influence of morphology in a low density, high melt index polyethylene was studied with particular reference to environmental stress cracking (ESC). Test samples of the polyethylene were molded under constant conditions, only the subsequent rate of cooling to room temperature being changed. Several techniques were used to study the resultant polymer including ESC tests, X-ray diffraction, optical microscopy and constant strain rate stress/strain tests. It was found that the faster the polymer was cooled after molding, the smaller was the typical diameter of the spherulites and the greater the resistance to stress cracking. A hypothesis is proposed to explain the differences in terms of the ease with which a crack can propagate, assuming that propagation is easier in amorphous material than within spherulites.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1980.021810517
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  • 7
    Electronic Resource
    Electronic Resource
    A study of spontaneous rubber/metal adhesion. I. The rolling cylinder test (1987)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part B: Polymer Physics 25 (1987), S. 2393-2402 
    Details
    ISSN: 0887-6266
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The spontaneous adhesion of vulcanized filled elastomers to steel has been studied using a rolling cylinder test. Owing to the relatively high degree of crosslinking, heavy cylinders are required to ensure good contact with the hard rubber track. This in turn invokes compression within the bulk of the rubber. A consequence is that hysteresis losses are associated not only with the adhesion phenomenon but also with the compression deformation of the system. Theoretical and experimental analyses have led to the conclusion that the two effects may be treated as additive. Both hysteresis losses can be related to the WLF superposition principle.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/polb.1987.090251114
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  • 8
    Electronic Resource
    Electronic Resource
    Water absorption and desorption in an epoxy resin with degradation (1997)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part B: Polymer Physics 35 (1997), S. 2659-2670 
    Details
    ISSN: 0887-6266
    Keywords: absorption ; chain scission ; degradation ; desorption ; epoxy resin ; hygrothermal aging ; intercrosslink molecular weight ; leaching ; water ; Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Hygrothermal aging at elevated temperatures tends to induce degradation in epoxy resins. To predict the effects of this degradation, a knowledge of absorption and transport behavior of water is needed. In this work, a model material (DGEBA/DDA) has been employed to study the water absorption and absorption/desorption behavior during hygrothermal aging at 90°C, accompanied by degradation. The absorption results show an weight increase during the initial aging period followed by a decrease at later times. Absorption/desorption results show a similar phenomenon but with a net, overall weight loss after a certain period of aging. By assuming that water diffusion is approximately Fickian and that degradation of the resin is mainly caused by hydrolysis reactions, a model has been developed to describe the above-observed phenomena. Results show that the model is in good agreement with experimental data. Moreover, the model proposed can be used to estimate the average molecular weight of the intercrosslink chains after aging. © 1997 John Wiley & Sons, Inc. J Polym Sci B: Polym Phys 35: 2659-2670, 1997
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
  • 9
    Electronic Resource
    Electronic Resource
    A simple analysis of local wetting hysteresis on a Wilhelmy plate (1991)
    Chichester [u.a.] : Wiley-Blackwell
    Surface and Interface Analysis 17 (1991), S. 489-495 
    Details
    ISSN: 0142-2421
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: Wetting measurements involving evaluation of the contact angle at the triple line of a solid/liquid/fluid system constitute a valuable means of characterizing solid surfaces. In principle, a given three-phase system possesses a unique contact angle value but, in practice, hysteresis effects often lead to a range of accessible values. Although this inherent range renders estimation of the mean value more difficult, it is suggested here that knowledge of the intrinsic magnitudes and spatial distribution of heterogeneities on the solid leading to hysteresis may be used to characterize the surface more completely. The Wilhelmy plate technique used in dynamic mode (at low speed) effectively leads to a scan of the solid because of the moving triple line. Slight oscillations or ripples on the average measured force are attributed to locally changing populations of weak heterogeneities. A simple mathematical analysis of the behaviour is presented and applied to model arrays of inhomogeneities. Although the models are too simple for direct application to most real surfaces, it is believed that the basic ideas may be refined for use on practical systems.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/sia.740170713
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  • 10
    Electronic Resource
    Electronic Resource
    A kinetic effect in the environmental stress cracking of polyethylene due to liquid viscosity (1976)
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Physics Edition 14 (1976), S. 1567-1573 
    Details
    ISSN: 0098-1273
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: An Interesting kinetic effect in the environmental stress cracking (E.S.C.) of polyethylene has been observed, in which the liquid viscosity plays an important role. E.S.C. of a low density, high melt index polyethylene due to silicone oils has been studied using constant load creep experiments. For relatively low stresses, it has been found that the time to fracture is independent of the viscosity of the silicone oil, all other factors being approximately equal. However, at high stresses, the time to fracture increases with increasing viscosity for a given stress. This effect has been shown to be due to the relative ease with which the liquid penetrates a growing crack and thus always be at the crack front. Times to fracture for viscous liquids at high stresses are longer since crack propagation continues partially with and partially without liquid contact, fracture rate being much slower when not in the presence of the liquid.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1976.180140904
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