Mobile NMR for Analysis of Polyethylene Pipes

• Authors: B. Blümich , F. Casanova , A. Buda , K. Kremer , T. Wegener
• Languages of publication: EN

Abstracts

EN

NMR relaxometry is a suitable tool to determine the morphology of semi-crystalline polymers by its ability to discriminate between rigid, mostly crystalline and soft, usually amorphous material. The NMR-MOUSE^® (nuclear magnetic resonance mobile universal surface explorer) was explored in this work to supply morphological data of poly(ethylene) pipes nondestructively. PE-100 pipes were investigated in the new state, after squeezing them flat, and after annealing well below the glass temperature. Furthermore, the change in morphology induced by a pressure load from the inside and a point load from the outside was investigated as a function of depth, and the morphology change across a welding line was imaged. A shear-band was detected by destructive high-field NMR imaging in an area of severe deformation of a pipe, where an anomalous depths profile was observed by the NMR-MOUSE. These results demonstrate that the NMR-MOUSE is a suitable tool for non-destructive state assessment of polymer pipes on the basis of laboratory reference data.

Keywords

EN

81.05.Lg; 82.35.Lr; 76.60.-k

Discipline

• 76.60.-k: Nuclear magnetic resonance and relaxation(see also 33.25.+k Nuclear resonance and relaxation in atomic and molecular physics and 82.56.-b Nuclear magnetic resonance in physical chemistry and chemical physics; for structure determination using magnetic resonance techniques, see 61.05.Qr; for biophysical applications, see 87.80.Lg; for NMR in superconducting materials, see 74.25.nj)
• 82.35.Lr: Physical properties of polymers
• 81.05.Lg: Polymers and plastics; rubber; synthetic and natural fibers; organometallic and organic materials(for polymers and organic materials in electrochemistry, see 82.45.Wx)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2005
• Volume: 108
• Issue: 1
• Pages: 13-23

Dates

published

2005-07

received

2005-04-24

Contributors

author

B. Blümich

• Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Worringerweg 1, 52056 Aachen, Germany

author

F. Casanova

• Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Worringerweg 1, 52056 Aachen, Germany

author

A. Buda

• Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Worringerweg 1, 52056 Aachen, Germany

author

K. Kremer

• Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Worringerweg 1, 52056 Aachen, Germany

author

T. Wegener

• Institut für Rohrleitungsbau, FH Oldenburg, Industriestr. 11, 26121 Oldenburg, Germany

References

• 1. See for example DVGW-Arbeitsblatt G, 401 and DVGW-Hinweis W, 401
• 2. D.W. van Krevelen, Properties of Polymers, Elsevier, Amsterdam 1990
• 3. Rohrsysteme aus PE 100, Ed. H. Bromstrup, Vulkan-Verlag, Essen 2004
• 4. J. Hessel, 3R International, 40, 178, 360, 2001
• 5. H. Krietenbrink, R. Kloth, Vortrag im Rahmen der Wiesbadener Kunststoffrohrtage, Wiesbaden 2004
• 6. R. Grosse-Boes, R. Kloth, 3R International, 43, 233, 2004
• 7. V.M. Litvinov, M. Soliman, Polymer, 46, 3077, 2005
• 8. G. Eidmann, R. Savelsberg, P. Blumler, B. Blumich, J. Magn. Reson. A, 122, 104, 1996
• 9. B. Blumich, F. Casanova, A. Buda, K. Kremer, T. Wegener, 3R International, xxx, xxx, 2005
• 10. G. Strobl, The Physics of Polymers, Springer, Berlin 1996
• 11. B. Blumich, NMR Imaging of Materials, Clarendon Press, Oxford 2000
• 12. F. Balibanu, K. Hailu, R. Eymael, D.E. Demco, B. Blumich, J. Magn. Reson., 145, 246, 2000
• 13. G. Kiesselbach, gwf-Wasser/Abwasser, 145, 45, 2004

Identifiers

DOI

10.12693/APhysPolA.108.13