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热词
    • 101. 发明授权
    • Heat storage material
    • 储热材料
    • US4331556A
    • 1982-05-25
    • US866695
    • 1978-01-03
    • Gustaf O. Arrhenius
    • Gustaf O. Arrhenius
    • A61F7/02A61F7/03A61F7/10C09K5/06F28D20/02B01F3/00
    • A61F7/03C09K5/063F28D20/028A61F2007/0292Y02E60/145
    • A liquid melt becomes converted to crystalline form at a particular temperature either spontaneously or when artificially nucleated. The liquid releases heat at crystallization. If the liquid is in a supercooled state when it begins to crystallize, its temperature will rise from the particular temperature at which it is nucleated.Another liquid material is mixed with the liquid to be crystallized. The liquid additive has properties of forming a metastable solid together with the crystallizing material. When the liquid additive exsolves, the crystalline aggregate is weakened and is easily decomposed into fragments of small size. The liquid additive materials may include monohydric alcohols, diols and triols. The liquid additive material may be included in the liquid to be crystallized, in small amounts, amounts to two percent (2%) to five percent (5%) being typical. The amount and relative metastability of the liquid additive material in the solution contributes to control of the size of the crystals which are ultimately produced when the supercooled fluid crystallizes. A small amount of surface active material may also be included to modify the characteristics of the metastable solid solution, the exsolution process, and the texture of the exsolved crystal aggregate.
    • 液体熔体在特定温度下自发地或人工成核时转化为结晶形式。 液体在结晶时释放热量。 如果液体在开始结晶时处于过冷状态,其温度将从其成核的特定温度上升。 另一种液体材料与待结晶的液体混合。 液体添加剂具有与结晶材料一起形成亚稳固体的性质。 当液体添加剂溶出时,结晶聚集体变弱,容易分解成小尺寸的碎片。 液体添加剂材料可以包括一元醇,二醇和三醇。 液体添加剂材料可以包含在待结晶的液体中,其量少,为典型的2%(2%)至5%(5%)。 溶液中液体添加剂材料的量和相对亚稳态有助于控制当过冷流体结晶时最终产生的晶体的尺寸。 还可以包括少量的表面活性物质,以改变亚稳固溶体的特性,溶出过程以及过量的晶体聚集体的质地。