Morphological, Mechanical and Physio-chemical Performance of ortho-Cresol Epoxy Novolac Based Vinyl Ester Resin

Jaswal, Shipra; Gaur, Bharti

doi:10.1515/pjct-2015-0041

Abstract

Vinyl ester resin (VEOCN) was prepared from o-cresol epoxy resin (EOCN) and methacrylic acid in the presence of triphenyl phosphine as catalyst and hydroquinone as inhibitor with acid value of ~ 7 mg of KOH per gram of solid. O-cresol based novolac resin (OCN), OCN based epoxy resin (EOCN) and VEOCN were characterized by Fourier transform infra red spectroscopy (FT-IR), ¹H-NMR and ¹³C-NMR. The thermal and mechanical behavior of the samples prepared at 30°C from VEOCN using styrene and methyl-methacrylate respectively as reactive diluents, in the presence of benzoyl peroxide (2 phr) as initiator was studied using Differential Scanning Calorimetry (DSC), Thermogravimetric analysis (TGA) and Universal Testing Machine (UTM). Chemical resistance of above VER samples was also evaluated as a function of % weight loss and with the help of Scanning Electron Microscopy (SEM), upon immersing the VEOCN samples in different solutions for 90 days.

References

1. Suresha, B., Kumar, K.S., Seetharamu, S. & Kumaran, P.S. (2010). Friction and dry sliding wear behavior of carbon and glass fabric reinforced vinyl ester composites. Tribol. Int. 43, 602–609. DOI: 10.1016/j.triboint.2009.09.009.10.1016/j.triboint.2009.09.009
Search in Google Scholar
2. Kumar, S., Satapathy, B.K. & Patnaik, A. (2012). Thermomechanical correlations to erosion performance of short glass/carbon fiber reinforced vinyl ester resin hybrid composites. Comput. Mater. Sci. 60, 250–260. DOI: 10.1016/j.commatsci.2012.03.021.10.1016/j.commatsci.2012.03.021
Search in Google Scholar
3. Shahedefar, V. & Rezadoust, A.M. (2013). Thermal and mechanical behavior of cotton/vinylester composites: Effects of some flame retardants and fibre treatment. J. Reinf. Plast. Compos. 32, 681. DOI: 10.1177/0731684413475911.10.1177/0731684413475911
Search in Google Scholar
4. Stankiewicz, A., Szczygiel, I. & Szczygiel, B. (2013). Self-healing coating in anti-corrosion applications. J. Mater. Sci. 48, 8041–8051. DOI: 10.1007/s10853-013-7616-y.10.1007/s10853-013-7616-y
Search in Google Scholar
5. Yabuki. A. & Okumura, K. (2012). Self healing coatings using superabsorbent polymers for corrosion inhibition in carbon steel. Corros. Sci. 59, 258–262. DOI: 10.1016/j.corsci.2012.03.007.10.1016/j.corsci.2012.03.007
Search in Google Scholar
6. Ehsani, M., Khonakdar, H.A. & Ghadami, A. (2013). Assessment of morphological, thermal and viscoelastic properties of epoxy vinyl ester coating of glass flake and mixing method. Prog. Org. Coat. 76, 238–243. DOI: 10.1016/j.porgcoat.2012.09.010.10.1016/j.porgcoat.2012.09.010
Search in Google Scholar
7. Ambrogi, V., Carfagna, C., Giamberini, M., Amendola, E. & Douglas, E.P. (2002). Liquid crystalline vinyl ester resins for structural adhesives. J. Adhes. Sci. Technol. 16, 15–32. DOI: 10.1163/15685610252771130.10.1163/15685610252771130
Search in Google Scholar
8. Launikitis, M.B. (1982). Vinyl Ester Resins, In Handbook of Composites, Luben, G. Ed; Van Nostrand, Reinhold Co.: New York, 38–49.
Search in Google Scholar
9. Young, R.E. (1976). In Unsaturated Polyester Technology, Bruins, P.F. Ed.; Gordon and Breach: New York, 315–342.
Search in Google Scholar
10. Jaswal, S. & Gaur, B. (2014). New trends in vinyl ester resins. Rev. Chem. Engg. 30(6), DOI: 10.1515/revce-2014-001210.1515/revce-2014-0012
Search in Google Scholar
11. Gaur, B. & Rai, J.S.P. (1993). Rheological and thermal behavior of vinyl ester resin. Eur. Polym. J. 29, 1149–1153. DOI: 10.1016/0014-3057(93)90324-9.10.1016/0014-3057(93)90324-9
Search in Google Scholar
12. Varma, I.K., Rao, B.S., Choudhry, M.S., Choudhry, V. & Varma, D.S. (1985). Effect of styrene on properties of vinyl ester resins, I. Angew. Makromol. Chem. 130, 191–199. DOI: 10.1002/apmc.1985.051300116.10.1002/apmc.1985.051300116
Search in Google Scholar
13. Choudhary, M.S. & Varma, I.K. (1993). Vinyl ester resins, 3. Effect of ethyl methacrylate on thermal and mechanical properties. Angew. Makromol. Chem. 209, 33–39. DOI: 10.1002/apmc.1993.052090104.10.1002/apmc.1993.052090104
Search in Google Scholar
14. Gaur, B. & Rai, J.S.P. (1992). Curing and decomposition behavior of vinyl ester resins. Polym. 33, 4210. DOI: 10.1016/0032-3861(92)90631-6.10.1016/0032-3861(92)90631-6
Search in Google Scholar
15. Malik, M., Choudhary, V. & Varma, I.K. (2001). Effect of oxirane groups on curing behavior and thermal stability of vinyl ester resins. J. Appl. Polym. Sci. 82, 416–423. DOI: 10.1002/app.1866.10.1002/app.1866
Search in Google Scholar
16. Bhatnagar, R. & Varma, I.K. (1989). Effect of α-methylstyrene of the curing behavior of vinyl ester resins. J. Therm. Anal. 35, 1241–1249. DOI: 10.1007/BF01913044.10.1007/BF01913044
Search in Google Scholar
17. Lem, K.W. & Han, C.D. (1984). Thermokinetics of Un-saturated Polyester and Vinyl Ester Resins. Polym. Eng. Sci. 24, 175. DOI: 10.1002/pen.760240304.10.1002/pen.760240304
Search in Google Scholar
18. Jaswal, S. & Gaur, B. (2013). Curing and decomposition behavior of cresol novolac based vinyl ester resins. Chem. Engine. Trans. 32, 1591–1596. DOI: 10.3303/CET1332266.
Search in Google Scholar
19. Knoll, D.W., Nelson, D.H. & Keheres, P.W. (1958). Pap., 134th Am. Chem. Soc. Meet, Chicago, Division of Paint, Plastics and Printing Ink Chemistry, Paper No: 5, p. 20.
Search in Google Scholar
20. Gibson, S.L., Glass, T.E., Shultz, A.R. & Riffle, J.S. (2002). Controlled molecular weight cresol-formaldehyde oligomers. Polym. 43, 2017–2019. DOI: 10.1016/S0032-3861(01)00754-6.10.1016/S0032-3861(01)00754-6
Search in Google Scholar
21. Knop, A. & Pilato, L.A. (1985). Phenolic Resins, Springer-Verlag Berlin Heidelberg, New York Tokyo.10.1007/978-3-662-02429-4
Search in Google Scholar
22. Sultania, M., Rai, J.S.P., Srivastava, D. (2010). Studies on the synthesis and curing of epoxidised novolac vinyl ester resin from renewable resource material. Eur. Polym. J. 46, 2019–2032. DOI: 10.1016/j.eurpolymj.2010.07.014.10.1016/j.eurpolymj.2010.07.014
Search in Google Scholar
23. Smith, C.A., (1987). Characterization of Polymers Used in Printed Circuit Board Manufacture. Polym. Test. 7, 79–84. DOI: 10.1016/0142-9418(87)90002-X.10.1016/0142-9418(87)90002-X
Search in Google Scholar
24. Hsu, C.P. & Lee, L.J. (1993). Free-radical crosslinking copolymerization of styrene/unsaturated polyester resins: 1. Phase separation and microgel formation. Polym. 34, 4496–4504. DOI: 10.1016/0032-3861(93)90156-5.10.1016/0032-3861(93)90156-5
Search in Google Scholar
25. Hsu, C.P. & Lee, L.J. (1993). Free-radical crosslinking copolymerization of styrene/unsaturated polyester resins: 3. Kinetic-gelation mechanism. Polym. 34, 4516–4523. DOI: 10.1016/0032-3861(93)90158-7.10.1016/0032-3861(93)90158-7
Search in Google Scholar
26. Yang, Y.S.C. & Suspense, L. (1991). Curing of unsaturated polyester resins: Viscosity studies and simulations in pre-gel state. Polym. Engg. Sci. 31, 321–332. DOI: 10.1002/pen.760310505.10.1002/pen.760310505
Search in Google Scholar
27. Chen, J.S. & Yu, T.L. (1998). Microgelation of unsaturated polyester resins by static and dynamic light scattering. J. Appl. Polym. Sci. 69, 871–878. DOI: 10.1002/(SICI)1097-4628(19980801)69:5<;871::AID-APP5>3.0.CO;2-J.10.1002/(SICI)1097-4628(19980801)69:5<;871::AID-APP5>3.0.CO;2-J
Search in Google Scholar
28. Chiu, Y.Y. & Lee, L.J. (1995). Microgel formation in the free radical crosslinking polymerization of ethylene glycol dimethacrylate (EGDMA). I. Experimental. J. Polym. Sci., Part A: Polym. Chem. 33, 257–267. DOI: 10.1002/pola.1005.080330208.
Search in Google Scholar
29. Yang, Y.S. & Lee, L.J. (1988). Microstructure formation in the cure of unsaturated polyester resins. Polym. 29, 1793–1800. DOI: 10.1016/0032-3861(88)90393-X.10.1016/0032-3861(88)90393-X
Search in Google Scholar
30. Han, C.D. & Lem, K.W. (1984). Chemorheology of thermosetting resins. IV. The chemorheology and curing kinetics of vinyl ester resin. J. Appl. Polym. Sci. 29, 1879–1902. DOI: 10.1002/app.1984.070290538.10.1002/app.1984.070290538
Search in Google Scholar
31. Dusek, K. & Spevacek, J. (1980). Cyclization in vinyl- divinyl copolymerization. Polym. 21, 750–756. DOI: 10.1016/0032-3861(80)90290-6.10.1016/0032-3861(80)90290-6
Search in Google Scholar
32. Ziaee, S. & Palmese, G.R. (1999). Effect of temperature on cure kinetics and mechanical properties of vinyl-ester resins. J. Polym. Sci., Part B: Polym. Phys. 37, 725–744. DOI: 10.1002/(SICI)1099-0488(19990401)37:7<;725::AID-POLB23>3.0.CO;2-E.10.1002/(SICI)1099-0488(19990401)37:7<;725::AID-POLB23>3.0.CO;2-E
Search in Google Scholar
33. Dua, S., Mccullough, R.L. & Palmese, G.R. (1999). Copolymerization kinetics of styrene/vinyl ester systems: low temperature reactions. Polym. Compos. 20, 379–391. DOI: 10.1002/pc.10364.10.1002/pc.10364
Search in Google Scholar
34. Ganem, N., Mortaigne, B., Bellenger, V. & Verdu, J. (1993). Influence of styrene ratio on copolymerization kinetics of dimethacrylate of diglycidylether of bisphenol A vinyl ester resin crosslinked with styrene. J. Macromol. Sci., Pure Appl. Chem. 30, 829–848. DOI: 10.1080/10601329308009592.10.1080/10601329308009592
Search in Google Scholar
35. Ganem, M., Lafontaine, E., Mortaigne, B., Bellenger, V. & Verdu, J. (1994). Structure of vinyl ester networks: a rubber elasticity study. J. Macromol. Sci. Phys. 33, 155–172. DOI: 10.1080/00222349408248085.10.1080/00222349408248085
Search in Google Scholar

Morphological, Mechanical and Physio-chemical Performance of ortho-Cresol Epoxy Novolac Based Vinyl Ester Resin

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