Abstract
Di-hydroxylated soybean oil (DSO) polyols with three different hydroxyl values (OHV) of 160, 240, and 285 mg KOH/g were synthesized from epoxidized soybean oils (ESO) by oxirane cleavage with water catalyzed by perchloric acid. The DSO were clear, viscous liquids at room temperature. The structure and physical properties of DSO were characterized using titration methods, Fourier-transform infrared spectroscopy (FTIR), gel permeation chromatography, rheometer, differential scanning calorimetry, and thermogravimetric analysis. The number average molecular weight of DSO160, DSO240, and DSO285 were 1,412, 1,781, and 1,899 g/mol, respectively, indicating that oligomerization occurred during DSO synthesis, which was further confirmed by FTIR. All DSO polyols exhibited non-Newtonian, shear thinning behavior. DSO with higher OHV were more viscous than those with lower OHV. All DSO were thermally stable up to 380 °C. These three DSO were formulated into pressure-sensitive adhesives (PSA) by copolymerizing with ESO using UV curing. The peel adhesion strength of the PSA was significantly affected by the OHV of DSO and DSO content. Maximal PSA adhesion strength of 4.6 N/inch was obtained with DSO285 and a DSO/ESO weight ratio of 0.75.
Similar content being viewed by others
References
Johnston J (2003) Pressure sensitive adhesive tapes: A guide to their function, design, manufacture, and use. Pressure Sensitive Tape Council, Northbrook
Aranyi C, Gutfreud K, Hawryiewicz EJ, Wall JS (1971) Pressure-sensitive adhesive tape comprising gluten hydrolypate derivatives. US Patent 3607370
Cohen E, Binshtok O, Dotan A, Dodiuk H (2013) Prospective materials for biodegradable and/or biobased pressure-sensitive adhesives: a review. J Adhes Sci Technol 27:1998–2013
Bunker S, Staller C, Willenbacher N, Wool R (2003) Miniemulsion polymerization of acrylated methyl oleate for pressure sensitive adhesives. Int J Adhes Adhes 23:29–38
Shin J, Martello M, Shrestha M, Wissinger J, Tolman W, Hillmyer M (2011) Pressure-sensitive adhesives from renewable triblock copolymers. Macromolecules 44:87–94
Ahn K, Sung J, Kim N, Kraft S, Sun X (2012) UV-curable pressure-sensitive adhesives derived from functionalized soybean oils and rosin ester. Polym Int. doi:10.1002/pi.4420
Petrovic ZS (2008) Polyurethanes from vegetable oils. Polym Rev 48:109–155
Guo A, Cho Y, Petrovic Z (2000) Structure and properties of halogenated and nonhalogenated soy-based polyols. J Polym Sci Part A: Polym Chem 38:3900–3910
Stemmelen M, Pessel F, Lapinte V, Caillol S, Habas JP, Robin JJ (2011) A fully biobased epoxy resin from vegetable oils: from the synthesis of the precursors by thiol-ene reaction to the study of the final material. J Polym Sci Part A: Polym Chem 49:2434–2444
Xia Y, Larock RC (2010) Vegetable oil-based polymeric materials: synthesis, properties, and applications. Green Chem 12:1893–1909
Desroches M, Escouvois M, Auvergne R, Caillol S, Boutevin B (2012) From vegetable oils to polyurethanes: synthetic routes to polyols and main industrial products. Polym Rev 52:38–79
Sinadinovic-Fiser S, Jankovic M, Petrovic ZS (2001) Kinetics of in situ epoxidation of soybean oil in bulk catalyzed by ion exchange resin. J Am Oil Chem Soc 78:725–731
Pfister D, Xia Y, Larock R (2011) Recent advances in vegetable oil-based polyurethanes. Chemsuschem 4:703–717
Guo Y, Hardesty J, Mannari V, Massingill J Jr (2007) Hydrolysis of epoxidized soybean oil in the presence of phosphoric acid. J Am Oil Chem Soc 84:929–935
Godoy S, Ferrao M, Gerbase A (2007) Determination of the hydroxyl value of soybean polyol by attenuated total reflectance/Fourier transform infrared spectroscopy. J Am Oil Chem Soc 84:503–508
Harry-O’kuru RE, Carriere CJ (2002) Synthesis, polyhydroxy triglycerides derived from milkweed oil. J Agric Food Chem 50:3214–3221
Lozada Z, Suppes G, Tu Y, Hsieh F (2009) Soy-based polyols from oxirane ring opening by alcoholysis reaction. J Appl Polym Sci 113:2552–2560
Lin B, Yang L, Dai H, Yi A (2008) Kinetic studies on oxirane cleavage of epoxidized soybean oil by methanol and characterization of polyols. J Am Oil Chem Soc 85:113–117
Monteavaro L, Silva E, Costa A, Samios D, Gerbase A, Petzhold C (2005) Polyurethane networks from formiated soy polyols: synthesis and mechanical characterization. J Am Oil Chem Soc 82:365–371
Ahn BK, Kraft S, Wang D, Sun XS (2011) Thermally stable, transparent, pressure-sensitive adhesives from epoxidized and dihydroxyl soybean oil. Biomacromolecules 12:1839–1843
Kong X, Liu G, Qi H, Curtis JM (2013) Preparation and characterization of high-solid polyurethane coating systems based on vegetable oil derived polyols. Prog Org Coat 76:1151–1160
Caillol S, Desroches M, Boutevin G, Loubat C, Auvergne R, Boutevin B (2012) Synthesis of new polyester polyols from epoxidized vegetable oils and biobased acids. Eur J Lipid Sci Technol 114:1447–1459
Creton C (2003) Pressure-sensitive adhesives: an introductory course. MRS Bull 28:434–439
Acknowledgments
The authors appreciate the funding support from Kansas Soybean Commission/United Soybean Board. Contribution No. 14-254-J from the Kansas Agricultural Experimental Station.
Author information
Authors and Affiliations
Corresponding author
About this article
Cite this article
Li, Y., Sun, X.S. Di-Hydroxylated Soybean Oil Polyols with Varied Hydroxyl Values and Their Influence on UV-Curable Pressure-Sensitive Adhesives. J Am Oil Chem Soc 91, 1425–1432 (2014). https://doi.org/10.1007/s11746-014-2474-6
Received:
Revised:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s11746-014-2474-6