Analysis and modeling of  PVTX  diagram of an unsaturated polyester resin, thermoplastic additive, and mineral fillers blend | Zendy

Boyard N. | Zendy; Vayer M. | Zendy; Sinturel C. | Zendy; Erre R. | Zendy; Delaunay D. | Zendy

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Analysis and modeling of PVTX diagram of an unsaturated polyester resin, thermoplastic additive, and mineral fillers blend

Author(s) -

Boyard N.,

Vayer M.,

Sinturel C.,

Erre R.,

Delaunay D.

Publication year - 2003

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.11830

Subject(s) - dilatometer , materials science , composite material , curing (chemistry) , shrinkage , thermoplastic , polyester , volume (thermodynamics) , prepolymer , thermal expansion , polyurethane , thermodynamics , physics

We studied the dynamic curing of a polymer blend containing an unsaturated polyester prepolymer, styrene, and a saturated polyester as a low‐profile thermoplastic additive during heating from 40 to 160°C with a constant rate (4 or 10 K/min). This work was performed by means of a homemade dilatometer that simultaneously determined conversion degree, volume, pressure, and temperature. The various phenomena inducing volume change were identified and then separated (thermal expansion, shrinkage, and shrinkage compensation). A model based on physical consideration was built that allowed an accurate fit of the experimental results. The influence of the pressure on all this phenomena was summarized and quantified. © 2003 Wiley Periodicals, Inc. J Appl Polym Sci 88: 1258–1267, 2003

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