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Preparation and Application of PCM Microcapsules

Author: ZuoLiJia
Tutor: FuZhongYu
School: Beijing Institute of Clothing Technology
Course: Materials Science
Keywords: Situ polymerization Phase change material microcapsules Coating finishing Phase change thermostat fiber
CLC: TB34
Type: Master's thesis
Year: 2010
Downloads: 403
Quote: 2
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Abstract


Papers with melamine - formaldehyde as wall material , n-octadecane as core material , the use of phase change material in situ polymerization micro the capsule ( microPCMs ) . And using a scanning electron microscope ( SEM ) , differential scanning calorimetry instrument ( DSC ) , thermal gravimetric analysis ( DTA / TG ) , laser particle size analyzer test instruments such as phase change materials microcapsules surface morphology , particle size and distribution , thermal performance characterization and analysis . The preparation of microcapsules of phase change material is mainly used in the coating finish , and polybutylene succinate (PBS) of the melt spinning . The experimental direct coating method Padding and dry coating finishing of cotton fabric and to the the microcapsules and PBS slice of phase change materials blends prepared by melt spinning phase change thermostat fibers . Preparation of coated fabrics and phase change thermostat surface morphology and thermal properties of the fibers studied using SEM and DSC . Experimental results show that : in situ polymerization , nonene oxy benzene sulfonate (OBS) of the perfluoro - emulsifier phase change material of the surface of the microcapsules are relatively smooth, the particle diameter segment more concentrated , the average particle diameter is 3.2 μm, the enthalpy of the phase change material microcapsules of value 133.37J / g ; homemade microcapsule with PBS slice of phase change material can be blended and melt spinning , and made ??of a phase change to the thermostat fiber having a regenerator thermostat function . Direct coating of secondary dry coating fabric 5.76J / g melting enthalpy at 29.72 ℃ .

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CLC: > Industrial Technology > General industrial technology > Materials science and engineering > Functional Materials
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