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    • 73. 发明授权
    • Acoustically matching layer and composition thereof
    • 声学匹配层及其组成
    • US06979703B2
    • 2005-12-27
    • US10330479
    • 2002-12-30
    • Ikuo TakahashiHideshi Tomita
    • Ikuo TakahashiHideshi Tomita
    • H04R17/00C08G18/02C08G59/40C08K7/20C08K7/28
    • C08G18/025C08G59/4042C08G2350/00C08K7/20
    • It is an object of the present invention to provide a composition for an acoustically matching layer, having sufficient mechanical strength to allow itself to be easily formed, and capable of giving an acoustically matching layer highly stable in characteristics over extended periods even under high temperature and high humidity conditions. The present invention provides a composition containing a carbodiimide resin for an acoustically matching layer, where the composition may further contain inorganic hollow bodies or inorganic hollow bodies and another reactive resin; a process for producing a formed article of an acoustically matching layer by curing and forming under heating the composition in a mold for the acoustically matching layer; and an ultrasonic transducer using the same composition and ultrasonic transducer using the same formed article.
    • 本发明的目的是提供一种用于声匹配层的组合物,其具有足够的机械强度以允许其容易地形成,并且能够在甚至在高温下在长时间内使特性高度稳定的声匹配层,以及 高湿度条件。 本发明提供一种含有用于声匹配层的碳二亚胺树脂的组合物,其中该组合物还可以含有无机中空体或无机中空体和另一反应性树脂; 通过在用于声匹配层的模具中固化和加热所述组合物来形成声匹配层的成形制品的方法; 以及使用相同组成的超声波换能器和使用相同的成形物品的超声换能器。