The chemical compatibility of thermoplastic hose used in umbilicals

Monika Brodesser, W.M. Banks, R.A. Pethrick, N. Casey, J. Brown

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

1 Citation (Scopus)
34 Downloads (Pure)


The effects of solvents and temperature on thermoplastic hose for umbilical service are reported in this paper. Accelerated ageing tests were undertaken and analysed by gravimetric, mechanical and calorimetric measurements. Water and methanol were found to cause physical degradation of the polymer, mainly at high temperatures, whereas xylene caused chemical degradation, which increased with increasing temperature.
The activation energy for the alpha-process within polyethylene (PE) was found to be 96.3 kJ mol(-1) for un-aged PE and increased to 106.2 kJ moll after 64 days of ageing in water at 100degreesC. The changes in activation energy will be used to make a life-time prediction of umbilical lines
Original languageEnglish
Title of host publicationProceedings of the 13th (2003) international offshore and polar engineering conference
EditorsJ.S. Chung, T. Matsui
Place of PublicationCupertino
Number of pages7
Publication statusPublished - 25 May 2003
Event13th International Offshore and Polar Engineering Conference - Honolulu, United States
Duration: 25 May 200330 May 2003

Publication series

NameInternational Offshore and Polar Engineering Conference Proceedings
PublisherInternational Society of Offshore & Polar Engineers
ISSN (Print)1098-6189


Conference13th International Offshore and Polar Engineering Conference
Abbreviated titleISOPE 03
Country/TerritoryUnited States


  • chemical compatibility
  • thermoplastic hose
  • umbilicals
  • polyethylene
  • solvent
  • ageing


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