Greening of unsaturated polyester resin based bulk molding compound with acrylated epoxidized soybean and linseed oils

Effect of urethane hybridization

S. Grishchuk, R. Leanza, P. Kirchner, J. Karger-Kocsis

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Acrylated epoxidized soybean and linseed oils of different characteristics were incorporated in the absence and presence of PMDI in UP resin-based BMC up to 15 wt%. The thermal, thermomechanical, static fracture mechanical, dynamic impact, and thermal degradation properties of the modified and reference BMCs were determined. With increasing amount of functionalized plant oils, the glass transition temperature of the matrix, the stiffness (E-modulus), and Charpy impact strength of the composites decreased. On the other hand, the static fracture mechanical parameters and thermal degradation were less affected by oil modification. Type and characteristics of the plant oils affected mostly the Charpy impact strength. Additional cross-linking, induced by PMDI, resulted in some compensation of the property deterioration except the glassy modulus. The large drop in the modulus was traced to unfavored PMDI/kaolin interactions triggered by the water content of the latter. Incorporation of PMDI was associated with a prominent increase in the glass transition temperature. The results suggest that dilution of traditional UP-based BMC with acrylated epoxidized plant oils, being associated with some property degradation, is limited.

Original languageEnglish
Pages (from-to)1455-1466
Number of pages12
JournalJournal of Reinforced Plastics and Composites
Volume30
Issue number17
DOIs
Publication statusPublished - Sep 2011

Fingerprint

Linseed Oil
Sheet molding compounds
Polyester resins
Plant Oils
Urethane
Impact strength
Pyrolysis
Kaolin
Water content
Dilution
Deterioration
Oils
Resins
Stiffness
Degradation
Composite materials
epoxidized soybean oil
Glass transition temperature

Keywords

  • acrylated epoxidized linseed oil
  • acrylated epoxidized soybean oil
  • bulk molding compound
  • fracture mechanics
  • impact strength
  • thermoset

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Polymers and Plastics
  • Materials Chemistry
  • Ceramics and Composites

Cite this

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abstract = "Acrylated epoxidized soybean and linseed oils of different characteristics were incorporated in the absence and presence of PMDI in UP resin-based BMC up to 15 wt{\%}. The thermal, thermomechanical, static fracture mechanical, dynamic impact, and thermal degradation properties of the modified and reference BMCs were determined. With increasing amount of functionalized plant oils, the glass transition temperature of the matrix, the stiffness (E-modulus), and Charpy impact strength of the composites decreased. On the other hand, the static fracture mechanical parameters and thermal degradation were less affected by oil modification. Type and characteristics of the plant oils affected mostly the Charpy impact strength. Additional cross-linking, induced by PMDI, resulted in some compensation of the property deterioration except the glassy modulus. The large drop in the modulus was traced to unfavored PMDI/kaolin interactions triggered by the water content of the latter. Incorporation of PMDI was associated with a prominent increase in the glass transition temperature. The results suggest that dilution of traditional UP-based BMC with acrylated epoxidized plant oils, being associated with some property degradation, is limited.",
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