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    • 86. 发明申请
    • Antioxidants for phase change ability and thermal stability enhancement
    • US20090184283A1
    • 2009-07-23
    • US12016989
    • 2008-01-18
    • Deborah Duen Ling ChungYasuhiro Aoyagi
    • Deborah Duen Ling ChungYasuhiro Aoyagi
    • C09K5/00
    • C09K5/063
    • Phase change ability and thermal stability enhancement have been attained by use of antioxidants and solid component. The phase change component consists essentially of secondary antioxidant (preferably with a minor proportion of primary antioxidant). Both said secondary antioxidant and said primary antioxidant are not dissolved in a liquid solvent. Thus, phase change materials exhibiting high heat of fusion, high thermal stability of the liquid (phase after melting), good phase change cyclability and melting temperature below about 50° C. are provided. By the combined use of the phase change component and second solid that remains a solid above the melting temperature of said phase change component, a phase change composite is provided. Said composite, wherein said second solid is dispersed in said phase change component, is effective for use as a thermal interface material for enhancing thermal contacts at use temperatures above the melting temperature of said phase change component. By using secondary and primary antioxidants, both dissolved in polyol ester liquid, in combination with dispersed solid (dispersed in said liquid) that enhances the thermal stability of said liquid, polyol-ester-based pastes that exhibit high thermal stability at temperatures up to at least 220° C. are provided. The secondary antioxidant, whether it is dissolved in a liquid solvent or not, is preferably thioether, most preferably thiopropionate. The primary antioxidant is preferably half-hindered phenolic. In case that antioxidants are dissolved in polyol ester liquid, the primary antioxidant and secondary antioxidant in combination preferably amount to less than 5% by weight of the liquid part of the polyol-ester-based paste. Both said second solid in said phase change composite and said dispersed solid in said paste are selected from the group: boron nitride, zinc oxide, alumina, carbon black, carbon fiber, carbon nanotube, graphite, diamond, silver, gold, aluminum and nickel.
    • 87. 发明申请
    • Thermal Storage Material Microcapsules, Thermal Storage Material Microcapsule Dispersion and Thermal Storage Material Microcapsule Solid
    • 热存储材料微胶囊,储热材料微胶囊分散体和储热材料微胶囊固体
    • US20090169893A1
    • 2009-07-02
    • US12085187
    • 2006-07-31
    • Koshiro IkegamiNobuyoshi MouriMamoru Ishiguro
    • Koshiro IkegamiNobuyoshi MouriMamoru Ishiguro
    • F28D19/02B32B23/14
    • C09K5/063F28D20/023Y02E60/145Y10T428/2982Y10T428/2998
    • The thermal storage material microcapsules of the present invention are thermal storage material microcapsules encapsulating a thermal storage material, and the thermal storage material comprising at least one selected from compounds of the following formulae (I) to (III), R1-X-R2  (I) wherein each of R1 and R2 is independently a hydrocarbon group having 6 or more carbon atoms and X is a divalent binding group containing a heteroatom, R3(-Y-R4)n  (II) wherein R3 is a hydrocarbon group having a valence of n, each of R4s is independently a hydrocarbon group having 6 or more carbon atoms and each Y is a divalent binding group containing a heteroatom, A(-Z-R5)m  (III) wherein A is an atom, atomic group or binding group having a valence of m, each of R5s is independently a hydrocarbon group having 6 or more carbon atoms and each Z is a divalent binding group containing a heteroatom or a direct bond, the thermal storage material having an acid value of 8 or less.
    • 本发明的蓄热材料微胶囊是包封储热材料的储热材料微胶囊,所述储热材料包含选自下式(I)至(III)的化合物中的至少一种, 公式description =“In-line Formulas”end =“lead”?> R1-X-R2(I)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中R1 并且R 2独立地为具有6个或更多个碳原子的烃基,X是含有杂原子的二价结合基团,其中<?在线公式描述=“在线公式”末端=“引线”→R3(-Y -R4)n(II)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中R3是具有n价的烃基,R4各自独立地为具有 6个或更多个碳原子,并且每个Y是含有杂原子的二价结合基团,&lt;ε-in-line-formula description =“In-line Formulas”end =“lead”?> A(-Z-R5)m(III) <?in-line-formula de scription =“In-line Formulas”end =“tail”?>其中A是具有m价的原子,原子团或结合基,R 5各自独立地为具有6个或更多个碳原子的烃基,并且每个Z是 含有杂原子或直接结合的二价结合基团,该蓄热材料的酸值为8以下。