Diluent diffusion in polymer‐diluent systems near  T   g  : Migration of phthalic esters from PVC to water | Zendy

Zieminski Kenneth F. | Zendy; Peppas Nikolaos A. | Zendy

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Diluent diffusion in polymer‐diluent systems near T g : Migration of phthalic esters from PVC to water

Author(s) -

Zieminski Kenneth F.,

Peppas Nikolaos A.

Publication year - 1983

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.1983.070280518

Subject(s) - diluent , phthalate , plasticizer , polymer , diffusion , polymer chemistry , chloride , phthalic acid , chemistry , materials science , chemical engineering , thermodynamics , organic chemistry , physics , engineering

A new mathematical model is presented for the description of certain types of diluent diffusion (migration) through diluent–polymer systems. The model describes anomalous diluent transport into a container of finite volume, and it incorporates mass transfer limitations at the polymer/extractant interface. The extractant is assumed to diffuse slowly or negligibly into the polymer. The model is applied to experimental data obtained with two plasticizers, di(2‐ethyl‐ n ‐hexyl) phthalate and benzyl butyl phthalate, migrating from poly(viny1 chloride) to water.

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