Main > CONSTRUCTION INDUSTRY. > Paints > Latex Paints > Minimum Film-Forming T Determn > Conductivity/T Measurements

Product Australia. A

PATENT ASSIGNEE'S COUNTRY Australia
UPDATE 08.01
PATENT ASSIGNEE Australian National University
PATENT CLAIMS Claim 1
- Providing pigment latex compn of solids 65-80%
- Measuring initial conductivity (K) & T of latex
- Measuring K & T while heating latex at 3C/hour
- Graphing K vs T to obtain a curve
- Take first deriv. of curve
- Take second deriv. of first deriv.
- Determn min. film forming T by determining max. point in curve described by second deriv
Claim 6
Apparatus comprising
- Container = tubing
- Means for measuring T = thermistor
- Means for measuring K = electrode
PATENT PHOTOCOPY Available on request

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