Effect of intermolecular cross links on drag reduction by polymer solutions

J. B. Bello, A. J. Müller, A. E. Sáez

Research output: Contribution to journalArticle

17 Scopus citations

Abstract

In this work we explore the effect of a cross-linking agent on the drag reduction capability of hydroxypropyl guar and guar gum solutions in turbulent flow through horizontal pipes. The results show that the addition of a cross-linking agent (borax) to solutions with concentrations below those required for gel formation enhances drag reduction due to the increased dimensions of the macromolecules in the presence of intermolecular cross links. The flow-induced degradation of the polymers is not appreciably affected by the addition of cross-linking agent.

Original languageEnglish (US)
Pages (from-to)111-118
Number of pages8
JournalPolymer Bulletin
Volume36
Issue number1
DOIs
StatePublished - Jan 1 1996
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Polymers and Plastics
  • Materials Chemistry

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