Integrated high-throughput methods to characterize multi-component polymers
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United States of America Patent
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Aug 4, 2020
Grant Date -
Mar 1, 2018
app pub date -
Jul 25, 2017
filing date -
Aug 31, 2016
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Abstract
A method of analyzing a multi-component polymer comprising: (a) dissolving an multi-component polymer having a primary monomer and primary comonomer to form a first volume (soluble portion of multi-component polymer); (b) injecting a portion of the first volume into a chromatographic column to get elution first slices, leaving a second volume behind; (c) filtering the second volume to isolate multi-component polymer solids; (d) dissolving solids to form solution third solution (insoluble portion of multi-component polymer); (e) injecting a portion of third solution into the chromatographic column to get elution second slices; (f) obtain infra-red spectra at wavelengths suitable for the primary monomer and the primary comonomer of first and second elution slices, separately; and (g) for each elution slice, separately calculate: (i) the different polymer components (soluble and insoluble); and (ii) the comonomer content of each component (soluble and insoluble).
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