Unsaturated polyester resin modified with poly(organosiloxanes). II. Acoustic emission study on glass-fiber-reinforced resin

Valéria Maria Rosa, J. Karger-Kocsis, Maria Isabel Felisberti

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

This work aims to study the adhesion of an isophthalic acid based unsaturated polyester resin chemically modified by grafting copolymerization of a poly(organosiloxane) to the glass fiber. The failure mode of the single-edge notched tensile specimen, cut from pressed plates containing 50 wt % of nontreated and silane-treated milled glass fiber, was studied by acoustic emission (AE) technique. It was found that the aforementioned resin modification enhanced the adhesion between the fiber and the resin. This was suggested by a shift in the AE amplitude and energy toward higher values. On the other hand, the matrix modification had no significant effect if glass fiber with suitable unsaturated polyester resin (UP) sizing was incorporated.

Original languageEnglish
Pages (from-to)3280-3289
Number of pages10
JournalJournal of Applied Polymer Science
Volume81
Issue number13
DOIs
Publication statusPublished - Sep 23 2001

Fingerprint

Polyester resins
Acoustic emissions
Glass fibers
Resins
Adhesion
Silanes
Copolymerization
Failure modes
Acids
Fibers
fiberglass

Keywords

  • Acoustic emission
  • Poly(organosiloxane)
  • Unsaturated polyester resin

ASJC Scopus subject areas

  • Polymers and Plastics

Cite this

Unsaturated polyester resin modified with poly(organosiloxanes). II. Acoustic emission study on glass-fiber-reinforced resin. / Rosa, Valéria Maria; Karger-Kocsis, J.; Felisberti, Maria Isabel.

In: Journal of Applied Polymer Science, Vol. 81, No. 13, 23.09.2001, p. 3280-3289.

Research output: Contribution to journalArticle

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