Method of and apparatus for the continuous measurement of change

Details Method of and apparatus for the continuous measurement of change Method of and apparatus for the continuous measurement of change

1979-07-30

1982-05-04

Ciarlante, Anthony V.

Measuring and testing

Vibration

By mechanical waves

73597, 73599, G01N 2902

Patent

active

043275877

ABSTRACT:
Method of and apparatus for the continuous measurement of changes in rheological properties of monomers during polymerization. Longitudinal ultrasonic oscillations are introduced into the polymerizing system, and oscillations received after passage through a part of the polymerization system are monitored as the polymerization process proceeds. The ultrasonic oscillations have a frequency of 0.02 to 100 MHz. The monitoring may be of the absorption of the oscillations and/or the rate of propagation of the oscillations.

REFERENCES:
patent: 3087138 (1963-04-01), Toulis
patent: 3413595 (1968-11-01), Babikov et al.
patent: 3562237 (1971-02-01), Thomas
patent: 3654072 (1972-04-01), Massa
patent: 3737844 (1973-06-01), Yokoyama et al.
patent: 4145917 (1979-03-01), Brazhnikov et al.

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