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Vol. 26 No. 16 (2014): Vol 26 Issue 16

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Effect of Dispersants on Dispersion of Glassfiber Suspensions

https://doi.org/10.14233/ajchem.2014.16339
Qing Chen
Super Insulation Composites Laboratory, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, P.R. China
Zhao-Feng Chen
Super Insulation Composites Laboratory, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, P.R. China
Cheng-Dong Li
Super Insulation Composites Laboratory, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, P.R. China
Wang-Ping Wu
Super Insulation Composites Laboratory, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, P.R. China
Fred Edmond Boafo
Super Insulation Composites Laboratory, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, P.R. China
Bin-Bin Li
Super Insulation Composites Laboratory, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, P.R. China

Corresponding Author(s) : Zhao-Feng Chen

zhaofeng_chen@163.com; chenqingbla@163.com

Asian Journal of Chemistry, Vol. 26 No. 16 (2014): Vol 26 Issue 16

Abstract

Glassfiber core material used as the insulation filler of vacuum insulation panel was successfully fabricated by wet method. The quality of glassfiber suspensions dispersion could affect glassfiber distribution of the core material and the thermal insulation performance of glassfiber vacuum insulation panels. The effects of the mean length of glass fibers and dispersants on glassfiber suspensions dispersion were investigated. The dispersion characteristic of glassfiber suspensions was analyzed by the absorbance and sedimentation rate. The results showed that the absorbancies of glassfiber suspensions under the optimal concentration of the three types of dispersants were 0.344, 0.703 and 0.663, respectively. The optimum addition amounts of hydroxyethyl cellulose, hydroxypropyl methyl cellulose and sodium hexametaphosphate were 0.008, 0.012 and 0.04 %, respectively. The glassfiber suspensions with sodium hexametaphosphate had a complete dispersed characteristic.

Keywords

Dispersant Dispersion Glass fiber Suspensions Absorbance
Chen, Q., Chen, Z.-F., Li, C.-D., Wu, W.-P., Edmond Boafo, F., & Li, B.-B. (2014). Effect of Dispersants on Dispersion of Glassfiber Suspensions. Asian Journal of Chemistry, 26(16), 5100–5104. https://doi.org/10.14233/ajchem.2014.16339
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