Two-component high-solid polyurethane coating systems based on soy polyols

Soybean oil based polyols soybean oil phosphate ester polyols (SOPEPs) having varying hydroxyl content and viscosity were prepared as low cost and low-VOC polyols for coatings applications. These SOPEPs were used as the hydroxyl component of "two-component polyurethane (2K-PU)" coating com...

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Bibliographic Details
Published in:JCT research 2006-04, Vol.3 (2), p.151-157
Main Authors: MANNARI, Vijay M, MASSINGILL, John L
Format: Article
Language:English
Subjects:
Analysis
Applied sciences
Coatings. Paints, varnishes and inks
Components, formulation
Exact sciences and technology
Forms of application and semi-finished materials
Polymer industry, paints, wood
Polyurethanes
Sheets and films
Technology of polymers
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Summary:Soybean oil based polyols soybean oil phosphate ester polyols (SOPEPs) having varying hydroxyl content and viscosity were prepared as low cost and low-VOC polyols for coatings applications. These SOPEPs were used as the hydroxyl component of "two-component polyurethane (2K-PU)" coating compositions and their film properties were studied. Blends of commercial polyester polyol and SOPEP in varying proportions were also used to formulate PU coatings. Their film properties were studied and compared. We found that SOPEP can be used as the sole hydroxyl component or as the reactive diluent for polyester polyols in 2K-PU coating systems. SOPEP is derived from a relatively inexpensive and renewable resource and the use of SOPEP can substantially reduce VOC and cost ofPU coating formulations.
ISSN:1547-0091
2168-8028
1935-3804
DOI:10.1007/s11998-006-0018-1