申请人:MATSUI SHIKISO CHEMICAL CO., LTD
公开号:EP0231030A2
公开(公告)日:1987-08-05
in order to provide a material having the properties of polyurethane foam and being adapted to change color with changes of temperature, a thermochromic polyurethane foam is obtained by reacting and foaming a mixture of a polyol and a polyisocyanate as main components, a thermochromic composition serving as a coloring agent being added to the main components singly or together with a usual dye or pigment, the thermochromic composition containing an electron-donating chromogenic material, an acidic substance and a solvent. The thermochromic composition may be enclosed in the form of microcapsules. The foam is used to provide manufactured articles with a temperature sensing and indicating function.
为了提供一种具有聚氨酯泡沫特性并能随温度变化而变色的材料,一种热致变色聚氨酯泡沫是由多元醇和多异氰酸酯的混合物作为主要成分进行反应和发泡而得到的,作为着色剂的热致变色组合物被单独或与通常的染料或颜料一起添加到主要成分中,热致变色组合物含有一种电子负载致色材料、一种酸性物质和一种溶剂。 热致变色组合物可以以微胶囊的形式封装。 这种泡沫用于提供具有温度感应和指示功能的制成品。