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Synthesis and Properties of Novel Non-Ionic Polyurethane Dispersion Based on Hydroxylated Tung Oil and Alicyclic Isocyanates

Read  full  paper  at:
http://www.scirp.org/journal/PaperInformation.aspx?PaperID=53841#.VNhWtCzQrzE

Author(s)  
Xiaomin Yang1, Baixia Ren2, Zhiyong Ren1*, Lei Jiang1, Wentao Liu2, Chengshen Zhu2

Affiliation(s)
1High & New Technology Research Center of Henan Academy of Sciences, Zhengzhou, China.
2School of Materials Science and Engineering, Zhengzhou University Zhengzhou, China.

ABSTRACT
Hydroxylated Tung oil (HTO) based nonionic polyurethane dispersion (HTO-NPUD) were synthesized using dicyclohexyl methane diisocyanate (HMDI) and HTO as main hydrophobic materials whereas polyethylene glycol-800 (PEG-800) as hydrophilic chain extender. To effectively study the effects of HTO on properties of NPUD, polypropylene glycol-400(PPG-400) based NPUD was prepared by HMDI reacting with PPG-400 and PEG-800. The structures of those novel nonionic polyurethane dispersions were characterized by FTIR and 1H NMR. Moreover, particle size and size distribution, cloud point and surface tension had been investigated. Results showed that, by comparing with PPG based NPUD (PPG-NPUD), the introduction of HTO into NPUD result in larger particle size and more uniformed particle size distribution, higher cloud point and lower surface tension.

KEYWORDS
Nonionic Polyurethane, Hydroxylated Tung Oil, Cloud Point, Surface Tension

Cite this paper
Yang, X. , Ren, B. , Ren, Z. , Jiang, L. , Liu, W. and Zhu, C. (2015) Synthesis and Properties of Novel Non-Ionic Polyurethane Dispersion Based on Hydroxylated Tung Oil and Alicyclic Isocyanates. Journal of Materials Science and Chemical Engineering, 3, 88-94. doi: 10.4236/msce.2015.31013.

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