Synthesis and Characterization of Vegetable Oil Based Polyurethane Derived from Low Viscous Bio Aliphatic Isocyanate: Adhesion Strength to Wood-Wood Substrate Bonding

Swarnalata Sahoo; Hemjyoti Kalita; Smita Mohanty; Sanjay Kumar Nayak

Macromolecular Research, Vol.25, No.8, 772-778, August, 2017

DOI10.1007/s13233-017-5080-2 Export Citation

Synthesis and Characterization of Vegetable Oil Based Polyurethane Derived from Low Viscous Bio Aliphatic Isocyanate: Adhesion Strength to Wood-Wood Substrate Bonding

Swarnalata Sahoo^{1, 2, †}, Hemjyoti Kalita², Smita Mohanty^{1, 2}, and Sanjay Kumar Nayak^{1, 2}

¹Central Institute of Plastic Engineering and Technology (CIPET), Chennai, Tamilnadu, 600032, India
²Laboratory for Advanced Research in Polymeric Materials, LARPM, CIPET, Bhubaneswar, Odisha-751024, India

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In the current study, biobased polyurethane (PU) adhesives at three different stoichiometric ratios of hard (NCO) to soft segment (OH) (1.1:1, 1.3:1, 1.5:1) were prepared by reacting castor oil (CO) based polyol with partially biobased polyisocyanate (PBPI) in the presence of dibutyltin dilaurate (DBTDL) as catalyst. The synthesis of PU adhesive films such as CO-PU1.1:1, CO-PU1.3:1, and CO-PU1.5:1 was confirmed by Fourier transform infrared (FTIR) spectroscopy. The effect of stoichiometric ratios on the bonding strength of wood-to-wood substrate was studied using lap shear strength test. The change in lap shear strength of PU adhesive films subjected to acid and alkali solution was tested. The chemical resistance, surface properties and wetting energies of PU adhesive films were evaluated using scanning electron microscopy (SEM) analysis and contact angle measurement. Thermal stability and activation energy of the films were determined employing thermogravimetric analysis (TGA). The experimental result showed that CO-PU1.3:1 exhibited higher adhesive strength, where as CO-PU1.5:1 exhibited higher thermal stability.

Keywords:biobased polyurethane;adhesive;activation energy;TGA

[References]

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Weiss KD, Prog. Polym. Sci, 22, 203 (1997)
Pietrzak K, Kirpluks M, Cabulis U, Ryszkowska J, Polym. Degrad. Stabil., 108, 1 (2014)
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Myres GE, Adhes. Age, 10, 31 (1988)
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Ghatke ND, Phadke VB, J. Appl. Polym. Sci., 11, 629 (1967)
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Yoshida H, Morck R, Knut PK, Hatakeyama H, J. Appl. Polym. Sci., 40, 1892 (1990)
Vasudev PS, Glasser WG, J. Appl. Polym. Sci., 29, 1831 (1984)
Banea MD, Da Silva LFM, Campilho RDSG, J. Adhes., 91(5), 331 (2015)
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Chang CW, Lu KT, Prog. Org. Coat., 75, 435 (2012)
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[Referenced By]

[1] Christian H, Helmut K, Martin MO, Polym. Int., 61, 1048 (2012)

[2] Modesti M, Lorenzetti A, Simioni F, Camino G, Polym. Degrad. Stabil., 77, 195 (2002)

[3] Weiss KD, Prog. Polym. Sci, 22, 203 (1997)

[4] Pietrzak K, Kirpluks M, Cabulis U, Ryszkowska J, Polym. Degrad. Stabil., 108, 1 (2014)

[5] White JT, Adhes. Age, 7, 19 (1981)

[6] Myres GE, Adhes. Age, 10, 31 (1988)

[7] Dinwoodie JM, J. Inst. Wood. Sci., 8, 59 (1978)

[8] Jia D, Liang X, J. Polym. Sci. B: Polym. Phys., 132, 817 (1994)

[9] Ghatke ND, Phadke VB, J. Appl. Polym. Sci., 11, 629 (1967)

[10] Athawale VD, Kolekar SL, Polym. J., 30, 873 (1998)

[11] Desai S, Emanuel A, Sinha V, J. Polym. Res., 10, 275 (2003)

[12] Mishra D, Int. J. Adhes. Adhes., 30, 47 (2010)

[13] Schilling CH, Tomasik P, Karpovich DS, Hart B, Garcha J, Boettcher PT, J. Polym. Environ., 13, 177 (2005)

[14] Sandip DD, Jigar VP, Vijay KS, Int. J. Adhes. Adhes., 23, 393 (2003)

[15] Vivek JD, Hasmukh SP, J. Am. Oil Chem. Soc., 86, 383 (2009)

[16] Bianca BRS, Ruth MCS, Maria MCF, Int. J. Adhes. Adhes., 30, 559 (2010)

[17] Metzger JO, Eissenm M, C. R. Chim., 7, 569 (2004)

[18] Norazwan MZ, Sahrim HA, Ernie SA, Int. J. Adhes. Adhes., 55, 43 (2014)

[19] Valero MF, Gonzalez A, J. Elastomer Plast., 44, 433 (2012)

[20] Somania KP, Kansaraa SS, Patelb NK, Rakshita AK, Int. J. Adhes. Adhes., 23, 269 (2003)

[21] Govindarajan S, Ning Y, J. Biobased Mater. Bioenergy, 8, 457 (2014)

[22] Patel JV, Sinha VK, J. Sci. Ind. Res., 58, 579 (1999)

[23] Poh AK, Sin LC, Foon CS, Hock CC, J. Adhes. Sci. Technol., 28(11), 1020 (2014)

[24] Paiva RMM, Marques EAS, da Silva LFM, Antonio CAC, Materialwiss. Werkstofftech, 46, 47 (2015)

[25] Yoshida H, Morck R, Knut PK, Hatakeyama H, J. Appl. Polym. Sci., 40, 1892 (1990)

[26] Wenzel RN, J. Ind. Eng. Chem., 28, 988 (1936)

[27] Yuan Y, Lee TR, Surface Science Techniques, Bracco G, Holst B, Eds., Springer-Verlag Berlin Heidelberg, 2013, Vol. 51, pp 1-34.

[28] Yoshida H, Morck R, Knut PK, Hatakeyama H, J. Appl. Polym. Sci., 40, 1892 (1990)

[29] Vasudev PS, Glasser WG, J. Appl. Polym. Sci., 29, 1831 (1984)

[30] Banea MD, Da Silva LFM, Campilho RDSG, J. Adhes., 91(5), 331 (2015)

[31] Desai S, Thakore IM, Devi S, Polym. Int., 47, 172 (1998)

[32] Saunders JH, Frisch KC, Interscience, XVI: 51 (1963).

[33] Chang CW, Lu KT, Prog. Org. Coat., 75, 435 (2012)

[34] Bao LH, Lan YJ, Zhang SF, Iran. Polym. J., 15, 737 (2006)

[35] Semsarzadeh MA, Navarchian AH, J. Appl. Polym. Sci., 90(4), 963 (2003)

[36] Aboulkas A, Elharfi K, Oil Shale, 225, 426 (2008)