Effects of cross-linkage and hydroxyl groups on bonding strength between titanium and segmented polyurethane through 3-(trimethoxysilyl) propyl methacrylate

Harumi Sakamoto, Yohei Hirohashi, Hisashi Doi, Kazuhiko Noda, Takao Hanawa

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

Abstract

To create a new material with good biocompatibility and high mechanical strength for artificial organs, titanium (Ti) and segmented polyurethane (SPU) were bonded through 3-(trimethoxysilyl) propyl methacrylate (y-MPS), and specify causes governing the bonding strength of Ti/γ-MPS/SPU interface. The number of cross-links of SPU and the concentration of active hydroxyl groups on the surface oxide film of Ti were controlled by UV-irradaiton and hydrogen peroxide immersion. The number of cross-links of SPU was measured by differential scanning calorimetry (DSC) and the concentration of the active hydroxyl groups was also determined using a zinc-complex substitution technique. Consequently, Ti/y-MPS/SPU shear bonding stress was increased with the increase of the number of cross-links of SPU. In addition, the increase of cross-links in SPU also improved the Ti/y-MPS/SPU shear bonding stress.

Original languageEnglish
Title of host publicationMaterials Science Forum
Pages1477-1480
Number of pages4
Volume561-565
EditionPART 2
Publication statusPublished - 2007
Event6th Pacific Rim International Conference on Advanced Materials and Processing, PRICM 6 - Jeju
Duration: 2007 Nov 52007 Nov 9

Publication series

NameMaterials Science Forum
NumberPART 2
Volume561-565
ISSN (Print)02555476

Other

Other6th Pacific Rim International Conference on Advanced Materials and Processing, PRICM 6
CityJeju
Period07/11/507/11/9

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Keywords

  • Active hydroxyl groups
  • Cross-links
  • Segmented polyurethane
  • Silane coupling agent
  • Titanium

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Sakamoto, H., Hirohashi, Y., Doi, H., Noda, K., & Hanawa, T. (2007). Effects of cross-linkage and hydroxyl groups on bonding strength between titanium and segmented polyurethane through 3-(trimethoxysilyl) propyl methacrylate. In Materials Science Forum (PART 2 ed., Vol. 561-565, pp. 1477-1480). (Materials Science Forum; Vol. 561-565, No. PART 2).