Synthesis of Polyurethane Dendrimers and Transfer Properties of Dye

Jing Ru Jia

doi:10.4028/www.scientific.net/AMM.457-458.65

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The Start-Up of A/O Biofilm Process with Silicon-Based Zeolite Filter Material
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Treatment of Domestic Wastewater by A/O Biofilm Process of Silicon-Based Zeolite Filter Material
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 457-458Synthesis of Polyurethane Dendrimers and Transfer...

Synthesis of Polyurethane Dendrimers and Transfer Properties of Dye

Abstract:

The polyfunctional organic compounds 2- hydroxymethyl -1,4- butanediol (trihydric alcohol) and toluene diisocyanate -2, 4- diisocyanate (TDI) were taken as the raw materials in this study. A polyurethane dendrimer was synthesized by utilizing the difference in the reaction activity of two isocyanate groups of TDI at different temperatures. The polymerization process conditions were studied. The addition polymerization of para-position NCO groups occurred at 50 °C, and that of ortho NCO groups occurred at 90 °C. According to the structure of the dendrimer synthesized, methyl orange was used as the guest molecule. Consequently, the aqueous methyl orange showed a phase transfer. With the increase of dendrimer concentration, the transfer rate of methyl orange increased.

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Periodical:

Applied Mechanics and Materials (Volumes 457-458)

Pages:

65-71

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.457-458.65

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Online since:

October 2013

Authors:

Jing Ru Jia

Keywords:

Dendrimer, Dyes, Phase Transfer, Polyurethane (PU)

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