GPC determination of molecular weights for EPM, EPDM, and polybutadienes | Zendy

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GPC determination of molecular weights for EPM, EPDM, and polybutadienes

Author(s) -

Smith Wendell V.

Publication year - 1974

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.1974.070181215

Subject(s) - polymer science , viscosity , thermodynamics , polymer , intrinsic viscosity , materials science , molecular mass , polymer chemistry , chemistry , physics , composite material , organic chemistry , enzyme

Molecular weights from GPC curves are determined for EPM, EPDM, and some polybutadienes. The determinations make use of a Benoit factor, B, which is defined and tabulated for the polymers studied. The use of this factor provides a convenient method of employing the Benoit hypothesis. The M n from the GPC curves are compared with osmotic molecular weights to provide additional confirmation of the Benoit hypothesis. The M v from the GPC curves are used with intrinsic viscosity data to establish [η]–versus– M relations.

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