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Non-diffusional nature of local conformational changes detected in polymeric chains by ultrasonic measurements

✍ Scribed by H. Ott; R. Cerf; B. Michels; P. Lemaréchal


Publisher
Elsevier Science
Year
1974
Tongue
English
Weight
239 KB
Volume
24
Category
Article
ISSN
0009-2614

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✦ Synopsis


The ultrasonic absorption of polystyrene solutions is measured between 0.3 and 185 MHz, using solvents the viscosities of which vary by a factor of about 50. The relaxation frequencies determined by least squares fitting vary at most by a factor of 3.