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首页> 外文期刊>The Indian journal of physics.Part A >Ultrasonic studies on poly-methyl methacrylate in ethyl methyl ketone
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Ultrasonic studies on poly-methyl methacrylate in ethyl methyl ketone

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Ultrasonic velocity studies have been carried out in solutions of poly- methyl methacrylate (PMMA) in ethyl methyl ketone (EMK) in the concentration range 0-3 by weight, at radio frequency of 2 MHz at three different temperatures 293 K, 297 K and 301 K. The increase in ultrasonic velocity with increase of PMMA concentration is attributed to the segment-segment interaction which causes molecular association between PMMA and EMK.

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