Viscometer for cast foaming materials and associated method

Details Viscometer for cast foaming materials and associated method Viscometer for cast foaming materials and associated method

1981-03-04

1983-09-13

Ruehl, Charles A.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Viscosity

73290V, G01N 1108, G01F 2328

Patent

active

044035020

ABSTRACT:
A motionless viscometer and associated method for resinous materials including polymeric foams and non-resinous materials includes a reservoir section, a receiver section and an interposed tube. As the foam is expanded the axial pressure within the connecting tube is measured as is the rate of rise of the foam within the receiver element. Shear viscosity and density as functions of time may be determined.

REFERENCES:
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patent: 3277694 (1966-10-01), Cannon et al.
patent: 3283565 (1966-11-01), Muller et al.
patent: 3360986 (1968-01-01), Rothschild
patent: 3535917 (1970-10-01), Blair et al.
patent: 3559464 (1971-02-01), Foust et al.
patent: 4137754 (1979-02-01), Colombo et al.
Polyurethane Foam Process Development, A Systems Engineering Approach, Campbell, G. A., In Journ. of Applied Polymer Sci., vol. 16, pp.1337-1402, 1972.

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