Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Content or effect of a constituent of a liquid mixture
Patent
1979-12-06
1981-03-31
Petrakes, John
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Content or effect of a constituent of a liquid mixture
73 61R, G01N 1100
Patent
active
042585643
ABSTRACT:
An apparatus and a method of operating the apparatus are provided for obtaining a sample of polymer cement and for determining the polymer content of the cement and a molecular weight of the polymer. The apparatus comprises a valve means in combination with a dilution means whereby dilute polymer solution is supplied to a solution viscometer means and to a gel permeation chromatographic means. Operation of the apparatus is controlled by a micro computer. The apparatus and method are useful for determining the polymer content and polymer molecular weight of, for example, polybutadiene formed in a polymerization reactor.
REFERENCES:
patent: 3556730 (1971-01-01), Mitacek
patent: 4095472 (1978-06-01), Mowery, Jr.
Hulme Joseph M.
Thibodeau William E.
Petrakes John
Polysar Limited
Roskos Joseph W.
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