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The aging behavior of polyurethane adhesive in medium

  • Xiaoxue Ni*
  • , Xiaogang Li
  • , Sanping Zhang
  • , Dajian Qiu
  • *Corresponding author for this work
  • University of Science and Technology Beijing
  • China Academy of Machinery Science and Technology

Research output: Contribution to journalArticlepeer-review

Abstract

The aging behavior of polyurethane adhesive in medium was investigated and compared by means of scanning electronic microscopy(SEM), infrared spectroscopy(IR), interface analysis and shearing strength test. The experimental results show that the shear strength of polyurethane adhesive in salt water is decreased more quickly than that in water. Na+and Cl- ions could make the polyurethane adhesive age faster and the interface metal corrosion. The high temperature accelerates the diffusion of water molecule, Na+and Cl- ions and the degradation of the giant molecule.

Original languageEnglish
Pages (from-to)892-895
Number of pages4
JournalJournal Wuhan University of Technology, Materials Science Edition
Volume24
Issue number6
DOIs
StatePublished - Dec 2009
Externally publishedYes

Keywords

  • Aging
  • Medium
  • Polyurethane adhesive
  • Shear strength

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