Properties of rigid polyurethane foams synthesized from 4,4′-diphenylmethane diisocyanate and polyether polyol

W. J. Seo, H. C. Jung, Y. H. Kim, Woo Nyon Kim, K. H. Choe, Y. B. Lee, S. H. Choi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Rigid polyurethane foams (PUFs) were prepared from polymeric 4,4′-diphenylmethane diisocyanate (PMDI), polyether polyol, 1,4-butane diol, silicone surfactant, and distilled water. The density of the PUF was decreased from 173.7 to 41.7 kg/m 3 with an increase in distilled water from 0.5 to 3.0 php (parts per hundred polyol by weight), respectively, at the 0 php butane diol. The cell size of the PUF increased from 115 to 258 μm with an increase in the amount of distilled water from 0.5 to 3.0 php, respectively, at the 10 php butane diol. It was found that the compressive strength of the PUF increased with the content of distilled water, at the same density. Out of the study for the surfactant effect on the properties of the PUF, it was observed that the cell size of the PUF decreased from 360 to 146 μm with an increase in the amount of the surfactant from 0 to 0.33 php, respectively, but the cell size did not change significantly when the amount of the surfactant exceeded 0.33 php.

Original languageEnglish
Pages (from-to)185-192
Number of pages8
JournalPolymer (Korea)
Volume26
Issue number2
Publication statusPublished - 2002 Mar 1

Fingerprint

Polyethers
Polyols
Polyurethanes
Foams
Surface-Active Agents
Butane
Surface active agents
Water
Silicones
Compressive strength
polyol
4,4'-diphenylmethane diisocyanate
polyurethane foam
butane

Keywords

  • Glass transition temperature
  • Morphology
  • Rigid polyurethane foam

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry

Cite this

Seo, W. J., Jung, H. C., Kim, Y. H., Kim, W. N., Choe, K. H., Lee, Y. B., & Choi, S. H. (2002). Properties of rigid polyurethane foams synthesized from 4,4′-diphenylmethane diisocyanate and polyether polyol. Polymer (Korea), 26(2), 185-192.

Properties of rigid polyurethane foams synthesized from 4,4′-diphenylmethane diisocyanate and polyether polyol. / Seo, W. J.; Jung, H. C.; Kim, Y. H.; Kim, Woo Nyon; Choe, K. H.; Lee, Y. B.; Choi, S. H.

In: Polymer (Korea), Vol. 26, No. 2, 01.03.2002, p. 185-192.

Research output: Contribution to journalArticle

Seo, WJ, Jung, HC, Kim, YH, Kim, WN, Choe, KH, Lee, YB & Choi, SH 2002, 'Properties of rigid polyurethane foams synthesized from 4,4′-diphenylmethane diisocyanate and polyether polyol', Polymer (Korea), vol. 26, no. 2, pp. 185-192.
Seo, W. J. ; Jung, H. C. ; Kim, Y. H. ; Kim, Woo Nyon ; Choe, K. H. ; Lee, Y. B. ; Choi, S. H. / Properties of rigid polyurethane foams synthesized from 4,4′-diphenylmethane diisocyanate and polyether polyol. In: Polymer (Korea). 2002 ; Vol. 26, No. 2. pp. 185-192.
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