Volume 32, Issue 6 pp. 5357-5371

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Phase behavior of binary mixtures of styrene/acrylonitrile copolymers and aliphatic polyesters

A. C. Fernandes,

A. C. Fernandes

Department of Chemical Engineering and Center for Polymer Research, University of Texas, Austin, Texas 78712

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J. W. Barlow,

J. W. Barlow

Department of Chemical Engineering and Center for Polymer Research, University of Texas, Austin, Texas 78712

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D. R. Paul,

D. R. Paul

Department of Chemical Engineering and Center for Polymer Research, University of Texas, Austin, Texas 78712

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A. C. Fernandes,

A. C. Fernandes

Department of Chemical Engineering and Center for Polymer Research, University of Texas, Austin, Texas 78712

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J. W. Barlow,

J. W. Barlow

Department of Chemical Engineering and Center for Polymer Research, University of Texas, Austin, Texas 78712

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D. R. Paul,

D. R. Paul

Department of Chemical Engineering and Center for Polymer Research, University of Texas, Austin, Texas 78712

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First published: 5 November 1986

https://doi.org/10.1002/app.1986.070320610

Citations: 39

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Abstract

The phase behavior of binary mixtures of copolymers containing varying amounts of styrene and acrylonitrile (SAN) with a large range of aliphatic polyesters was examined. Miscibility was observed over a limited range of AN contents of the SANs, for each polyester, while similarly for each SAN, miscibility was only observed over a limited range of polyester molecular structures. Thermodynamic interaction parameters for the miscible blends were obtained by analysis of the depression of the polyester melting point. A binary interaction model was used to correlate the data and six group interaction parameters were deduced by subdividing the polyester and SAN copolymer repeating units in three different ways. It is concluded that there is a strong repulsion between the segmental units within the polyesters and within the SAN copolymers, which is an important factor in the observed phase behavior.

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Volume32, Issue6

5 November 1986

Pages 5357-5371

Phase behavior of binary mixtures of styrene/acrylonitrile copolymers and aliphatic polyesters

Abstract

References

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Phase behavior of binary mixtures of styrene/acrylonitrile copolymers and aliphatic polyesters

Abstract

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