Title

Investigation of the Role of Surfactants on the Properties of Soy-Based Polyurethane Foam

Abstract

Polyurethanes (PUs) are versatile polymers obtained by step growth polymerization between diisocyanate or polyisocyanate, and hydroxyl terminated oligomer (polyol) with at least two reactive hydrogen atoms. In this study, soy-based PU foams were prepared using different surfactants while keeping other ingredients such as polyol, isocyanate, and catalyst constant. The prepared samples were tested for mechanical and thermal properties to see the effect that surfactants impart upon these properties. The morphology of the foam samples was observed using scanning electron microscopy. Significant differences were observed in the cellular structure, thermal and mechanical properties of the foam samples. The cellular size of the foams was correlated with the mechanical and thermal properties. It was found that surfactants which reduced the viscosity of the polyol mixture to the greatest extent, produced smaller cell foams which exhibited the highest mechanical strength and thermal insulation.

Meeting Name

5th Annual Composites and Advanced Materials Expo, CAMX 2018 (2018: Oct. 15-18, Dallas, TX)

Department(s)

Mechanical and Aerospace Engineering

Second Department

Chemistry

Comments

This work is supported by the Missouri Soybean Merchandising Council.

Keywords and Phrases

Alcohols; Atoms; Mechanical properties; Polyurethanes; Scanning electron microscopy; Surface active agents; Thermodynamic properties, Cellular sizes; Cellular structure; Hydrogen atoms; Hydroxyl-terminated; Mechanical and thermal properties; Polyurethane Foam; Step-growth polymerizations; Thermal and mechanical properties, Thermal insulation

Document Type

Article - Conference proceedings

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2018 The Composites and Advanced Materials Expo (CAMX), All rights reserved.

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