Effects of HDI/IPDI Ratio on Properties of Waterborne Polyurethane

Ming Ji Zhou; Qing Ze Jiao; Yun Zhao; Wen Jia Cui

doi:10.4028/www.scientific.net/AMR.452-453.674

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 452-453Effects of HDI/IPDI Ratio on Properties of...

Effects of HDI/IPDI Ratio on Properties of Waterborne Polyurethane

Abstract:

A waterborne polyurethane (WPU) dispersoid was synthesized through the prepolymer method using aliphatic isocyanates [namely isophorone diisocyanate(IPDI), hexamethylene diisocyanate(HDI)] and self-made polyester polyol as main raw materials. The effects of HDI/IPDI ratio on properties of waterborne polyurethane were discussed. The FTIR results confirmed the successful synthesis of WPU. As the molar ratio of HDI/IPDI increased, the properties (including elongation at break, solvent resistance, viscosity and thermal stability) increased, while the tensile strength and the average particle size decreased. The stable WPU with light blue and translucent were obtained when the HDI/ IPDI ratio was 1.5:1.

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Periodical:

Advanced Materials Research (Volumes 452-453)

Pages:

674-678

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.452-453.674

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Online since:

January 2012

Authors:

Ming Ji Zhou, Qing Ze Jiao, Yun Zhao, Wen Jia Cui

Keywords:

HDI, IPDI, Property Analysis, Waterborne Polyurethane

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