Effect of Surface Roughness of Fabrics on Tensile Properties of 3D Printing Auxetic Re-entrant Pattern/Textile Composites
Vol. 58, No. 4, pp. 167-176,
Aug. 2021
10.12772/TSE.2021.58.167
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Abstract
An O/W emulsion of paraffinic phase change material (PCM) was prepared
through a sonochemical process for microencapsulation using melamine-formaldehyde
resin as the wall material. It was found that the octadecane micelles selected as PCM were
successfully formed in water with a diameter of 1–3 μm through ultrasonication for 5 min.
Anionic surfactants were found to be more effective than non-ionic surfactants in the formation
of emulsions consisting of PCM micelles through a sonochemical process. Spherical
PCM microcapsules were obtained from the PCM emulsion and melamine-formaldehyde
prepolymer, which was used as the wall material. The diameter of the PCM microcapsules
increased with increasing microencapsulation time and the prepolymer to PCM weight
ratio.
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