MICROCAPSULE FOR HEAT STORAGE AND ITS PRODUCTION

PURPOSE:To prepare the subject microcapsule which is difficultly broken underwater and can transport heat without fail. CONSTITUTION:This microcapsule for heat storage, composed of a core substance comprising a paraffin and a capsule wall comprising calcium silicate and surrounding the core substanc...

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Bibliographische Detailangaben
Hauptverfasser:	SUMIYA SHUJI, TANII TADAAKI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY DYES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POLISHES THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To prepare the subject microcapsule which is difficultly broken underwater and can transport heat without fail. CONSTITUTION:This microcapsule for heat storage, composed of a core substance comprising a paraffin and a capsule wall comprising calcium silicate and surrounding the core substance, is produced by dispersing a paraffin in an aqueous sodium silicate solution to form an O/W dispersion, dispersing the O/W dispersion in an organic solvent to form an (O/W)/O dispersion and pouring an aqueous calcium chloride solution into the (O/W)/O dispersion to form an ((O/W)/O)/W dispersion, whereupon the calcium chloride dissolved in the outermost aqueous phase diffuses into the innermost aqueous phase and reacts with sodium silicate.