Determination of monomer conversion by headspace analysis

Details Determination of monomer conversion by headspace analysis Determination of monomer conversion by headspace analysis

1981-05-18

1987-06-02

Turk, Arnold

Chemistry: analytical and immunological testing

Rate of reaction determination

436 85, 436161, 436181, G01N 3100, G01N 3344

Patent

active

046704000

ABSTRACT:
Method for determining monomer conversion in the liquid phase by analyzing vapor phase above a polymerization mixture comprising measuring temperature of the vapor phase, analyzing the vapor phase with a gas chromatograph provided with a flame ionization detector to determine relative amount of a certain monomer in the vapor phase, correlating initial amount of the monomer with an intermediate amount of the monomer adjusted by applying a temperature correction, and determining monomer conversion on the basis of an essentially linear relationship of conversion in the liquid phase with relative amount of the monomer in the vapor phase.

REFERENCES:
patent: 3321280 (1967-05-01), Trotter, Jr. et al.
patent: 3477819 (1969-11-01), Fernald et al.
patent: 3746509 (1973-07-01), Koskan
patent: 3846073 (1974-11-01), Baum et al.
Shapras et al., Analytical Chemistry, vol. 34, No. 3, Mar. 1962, p. 433.

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