Phase-transition energy-storage microcapsules and their preparing process
Title：
Phase-transition energy-storage microcapsules and their preparing process
Application Number：
 200610060588
Application Date：
 2006/05/08
Announcement Date：
 2006/10/11
Pub. Date：
Publication Number：
 1844269
Announcement Number：
Grant Date：
Granted Pub. Date：
ApplicationType：
 Invention
State/Country：
 94[China|shenzhen]
IPC：
 C09D 5/02, B01J 13/02
Applicant(s)：
 Graduate School at Shenzhen, Tsinghua University
Inventor(s)：
 Tang Guoyi, Lu Gang, Miao Chunyan, Yao Youwei, Weng Duan
Key Words：
 Phase-transition, energy-storage, microcapsules, preparing process
Abstract：
 The phase-change storage microcapsule consists of capsule wall and phase-change material covered by it, in which the capsule wall is silicon dioxde deposit with 20-65 % of the total mass of the microcapsule and phase-change material with 80-35 % of the total mass of the microcapsule. The method for preparation of phase-change storage microcapsule includes: adding 0.5-3 parts of surface activator into finite quantities of distilled water, after the heating and the dissolution, then adding 4-12 parts of phase-change storage materials and 0-2 parts of cosurfactants, emulsifying under a condition of high-velocity agitation to obtain the lacte emulsion dissolving the 3-10 parts of sodium silicate into finite quantities of distilled water, adding finite quantities of 1-2 parts of precipitant A under a condition of agitation to obtain sodium silicate prepolymer slowly adding the emulsion into the said sodium silicate prepolymer, then adding 2-10 parts of precipitant B, placing the said mixture into a water bath to react for 3-5 hours, after the filtration and the scouring, obtaining the phase-change storage microcapsule.
Claim：
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PCT：
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2008-4-17
  Selected patents owned by Tsinghua University filed in 2005 are loaded.
2008-3-31
  Selected patents owned by Tsinghua University filed in 2006 and 2007 are load.







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