Apparatuses and methods for incorporating blowing agents into li

Details Apparatuses and methods for incorporating blowing agents into li Apparatuses and methods for incorporating blowing agents into li

1990-07-24

1992-06-09

Williams, Hezron E.

Measuring and testing

Gas content of a liquid or a solid

Particular separator

73 38, 521133, G01N 700, G01N 3344

Patent

active

051196689

ABSTRACT:
Apparatus (10) for incorporating blowing agents into a liquid material provides a high pressure liquid storage and mixing tank (20) containing a mixture of liquid material (M) under pressure; means for delivering (59) a pre-determined quantity of at least one blowing agent into the mixture in minute bubbles having an average diameter of from about less than 0.5 micron up to about 100 microns; and means for uniformly distributing (60) the blowing agent throughout the liquid material. Apparatus (100) for measuring the volumetric expansion potential of a mixture of blowing agent and liquid material is also provided. It includes a high pressure liquid storage and mixing tank (106) containing a mixture of liquid material (M) and at least one blowing agent under pressure; first and second chambers (140, 141) communicating with each other and with the tank; first and second means for transferring (142, 143) the mixture into and out of the first and second chambers; and first and second means for measuring (144, 145) the volumes displaced by the mixture in the first and second chambers, wherein the second measuring chamber has a volume at least one order of magnitude greater than the first chamber. Finally methods are provided for use of the foregoing apparatuses.

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