Method and apparatus for measurement of polymer molecular...

G - Physics – 01 – N

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G01N 25/00 (2006.01) G01N 11/00 (2006.01) G01N 25/18 (2006.01) G01N 33/44 (2006.01)

Patent

CA 2066855

- 22 - ABSTRACT OF THE DISCLOSURE A molecular weight of a polymer is measured by a process including steps of: heating a polymer portion with heating means, measuring, with temperature measuring means, difference between temperatures of at least two points of the polymer portion at each of which the polymer portion is subjected to a thermally different influence from each other by the heating means, and estimating the molecular weight of the polymer which corresponds to the difference between the temperatures obtained by the measuring step according to a relationship between the temperature difference and the molecular weight of the polymer which relationship has been beforehand obtained.

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