Synthesis and properties of highly hydrophilic polyurethane based on diisocyanate with ether group

Ken Kojio, Yoshitaka Mitsui, Mutsuhisa Furukawa

研究成果: ジャーナルへの寄稿記事

28 引用 (Scopus)

抄録

Highly hydrophilic polyurethane elastomers (PUEs) were synthesized from 1,2-bis(isocyanate) ethoxyethane (TEGDI), poly(ethylene oxide-co-propylene oxide) copolyol (EOPO) and 1,4-butane diol/1,1,1-trimethylol propane (75/25) (wt/wt) by a prepolymer method. 4,4′-Diphenylmethane diisocyanate (MDI)-based PUEs were synthesized as a control as well. Fourier transform infrared spectroscopy (FT-IR) and differential scanning calorimetry (DSC) measurements revealed that the degree of microphase separation of the TEGDI-based PUEs was much weaker than for the MDI-based PUEs. Young's modulus and elongation at break of the TEGDI-based PUEs were quite lower and larger than for the MDI-based PUEs, respectively. This is due to quite weak cohesion force of the hard segment chains in the TEGDI-based PUEs. The degree of swelling of the TEGDI-based PUEs was five times larger than for the MDI-based one. This is associated with the hydrophilic nature of TEGDI and weak cohesion force in the TEGDI-based PUEs.

元の言語英語
ページ(範囲)3693-3697
ページ数5
ジャーナルpolymer
50
発行部数15
DOI
出版物ステータス出版済み - 7 17 2009

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Elastomers
Polyurethanes
Ether
Ethers
UCON 50-HB-5100
Isocyanates
Microphase separation
Propane
Butane
Polyethylene oxides
Propylene
Fourier transform infrared spectroscopy
Swelling
Elongation
Differential scanning calorimetry
Elastic moduli

All Science Journal Classification (ASJC) codes

  • Organic Chemistry
  • Polymers and Plastics

これを引用

Synthesis and properties of highly hydrophilic polyurethane based on diisocyanate with ether group. / Kojio, Ken; Mitsui, Yoshitaka; Furukawa, Mutsuhisa.

:: polymer, 巻 50, 番号 15, 17.07.2009, p. 3693-3697.

研究成果: ジャーナルへの寄稿記事

Kojio, Ken ; Mitsui, Yoshitaka ; Furukawa, Mutsuhisa. / Synthesis and properties of highly hydrophilic polyurethane based on diisocyanate with ether group. :: polymer. 2009 ; 巻 50, 番号 15. pp. 3693-3697.
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abstract = "Highly hydrophilic polyurethane elastomers (PUEs) were synthesized from 1,2-bis(isocyanate) ethoxyethane (TEGDI), poly(ethylene oxide-co-propylene oxide) copolyol (EOPO) and 1,4-butane diol/1,1,1-trimethylol propane (75/25) (wt/wt) by a prepolymer method. 4,4′-Diphenylmethane diisocyanate (MDI)-based PUEs were synthesized as a control as well. Fourier transform infrared spectroscopy (FT-IR) and differential scanning calorimetry (DSC) measurements revealed that the degree of microphase separation of the TEGDI-based PUEs was much weaker than for the MDI-based PUEs. Young's modulus and elongation at break of the TEGDI-based PUEs were quite lower and larger than for the MDI-based PUEs, respectively. This is due to quite weak cohesion force of the hard segment chains in the TEGDI-based PUEs. The degree of swelling of the TEGDI-based PUEs was five times larger than for the MDI-based one. This is associated with the hydrophilic nature of TEGDI and weak cohesion force in the TEGDI-based PUEs.",
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AB - Highly hydrophilic polyurethane elastomers (PUEs) were synthesized from 1,2-bis(isocyanate) ethoxyethane (TEGDI), poly(ethylene oxide-co-propylene oxide) copolyol (EOPO) and 1,4-butane diol/1,1,1-trimethylol propane (75/25) (wt/wt) by a prepolymer method. 4,4′-Diphenylmethane diisocyanate (MDI)-based PUEs were synthesized as a control as well. Fourier transform infrared spectroscopy (FT-IR) and differential scanning calorimetry (DSC) measurements revealed that the degree of microphase separation of the TEGDI-based PUEs was much weaker than for the MDI-based PUEs. Young's modulus and elongation at break of the TEGDI-based PUEs were quite lower and larger than for the MDI-based PUEs, respectively. This is due to quite weak cohesion force of the hard segment chains in the TEGDI-based PUEs. The degree of swelling of the TEGDI-based PUEs was five times larger than for the MDI-based one. This is associated with the hydrophilic nature of TEGDI and weak cohesion force in the TEGDI-based PUEs.

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