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Study on Synthesis of Environmental Waterborne Polyurethane
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Study on Synthesis of Environmental Waterborne Polyurethane

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Abstract:

A MDI-based waterborne polyurethane emulsion(PU) was synthesized by the reaction of polyester glycol(PBA), di-methylol propionic acid(DMPA) with 4,4`-diphenylmethane diisocyanate (MDI) instead of toluene di-isocyanatotoluene(TDI) because of its low toxicity, low saturated vapor pressure. The factors influencing the properties of waterborne polyurethane emulsion were discussed. It was observed that the appearance and properties of the PU emulsion were nearly related with the ratio of NCO/OH(R) and the amount of DMPA.

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Periodical:

Advanced Materials Research (Volumes 550-553)

Pages:

653-656

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.550-553.653

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Online since:

July 2012

Authors:

Lin Lu Zheng, Hong Lu Xie, Yan Ling Wu, Jian Hua Huang

Keywords:

Diphenylmethane Diisocyanate, Environmental, Waterborne Polyurethane

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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