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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Expandable microsphere ： ウィキペディア英語版 Expandable microsphere Expandable microspheres are microscopic spheres comprising a thermoplastic shell encapsulating a low boiling point liquid hydrocarbon. When heated to a temperature high enough to soften the thermoplastic shell, the increasing pressure of the hydrocarbon will cause the microsphere to expand.〔Patent US 3,615,972 ”Expansible thermoplastic polymer particles containing volatile fluid foaming agent and method of foaming the same”〕 The volume can increase by 60 to 80 times. ==Expandable microsphere== The expandable microsphere is a material that can act as a blowing agent when mixed in a product and subsequently heated to cause expansion within the matrix. The expandable microspheres are off-white, can be 6 to 40 micrometers in average diameter and have a density of 900 to 1400 kg/m³. The expandable microspheres are used as a blowing agent in products like e.g. puff ink,〔Expandable microspheres in inks: advances in look and feel, Asia Pacific Coatings Journal, August 2009, page 32-33〕 automotive underbody coatings or injection molding of thermoplastics.〔“New developments with expandable microspheres”, Klas Elfving, Expancel. The Fifth International Conference Blowing agents and Foaming Processes 2003, Rapra.〕 Here the product must be heated at some point in the process for the expandable microspheres to expand. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Expandable microsphere」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.