Main Article Content
Abstract
In recent studies importance has been given to the use of natural products from renewable resources due to the decrease in the supply and price escalations of petroleum raw materials. Cardanol based resole type phenolic resin has been synthesized by condensing cardanol with furfural in a particular mole ratio using dicarboxylic acid catalyst such as phthalic acid. Polyurethane sheets were prepared by treating cardanol furfural resin with 4,41 – methylene bis(cyclohexyl isocyanate) and the catalyst dibutyltin dilaurate.Â
Natural fibres are prospective reinforcing materials and their use until now has been more traditional than technical. Among the various fibres sisal is of particular interest in that its composites have high impact strength besides having moderate tensile and flexural properties compared to other fibres. Fibre reinforced polyurethane composites have been prepared by treating sisal fibre  (10%) into polyurethane. The physico chemical, spectral and thermal properties of polyurethane and fibre reinforced polyurethane composites have been studied.
Keywords
Article Details
Authors retain the copyright without restrictions for their published content in this journal. GCTL is a Sherpa Romeo Journal.
Publishing License
This is an open-access article distributed under the terms of 
References
- Maya Jacob John, Reajesh D. Ananadjiwala, Recent developments in chemical modification and characterization of natural fibre reinforced composites, Wiley Interscience, Polymer Composites,2008.
- Kuruvilla Joseph, Romildo dias Toledo Filho, Beena James, Sabu Thomas & Laura Hecker de Carvalho, A review on sisal fibre reinformed polymer composites, R.Bras. Eng. Agric. Ampidentak,Campina Grande, 3, (3) 1999, 367-379). DOI: https://doi.org/10.1590/1807-1929/agriambi.v3n3p367-379
- U.S Bangarde, VD Shinde, Review on natural fiber reinforced polymer composite, Inter J.Eng.Sci and Innovative Tech,.3 (2) March 2014.
- Sheeja K.R and Avila Thannga Booshan.S, Synthesis and characterization of cardanol/m-cresol resin based polyurethanes, Inter .J.Develop Res, 4(11), Nov 2014, 2246-2252.
- Emmanuel A.L and Sinha V.K, Cashewnut shell liquid resin composites reinforced by sawdust and wood flake, Praj.J.Pure & Appl.Sci, 16, 2008, 16-29.
- Riya Srivastava and Deepak Srivatava, Studies on the synthesis and curing of thermosetting novolac resin using renewable resource material, Inter J.Che.Res, 5(5), July-Sept 2013, 2575-2581.
- S.Gopalakrishnan and R.Sujatha, Synthesis and thermal properties of polyurethanes from cardanol furfural resin, J.Chem pharm.Res,2(3),2010,193-205.
- I.S Kattimuttathu and S.K.Vadi, Synthesis, structure and properties of novel polyols from cardanol and developed polyurethanes, Ind.Eng.Chem.Res, 44(13), 2005. DOI: https://doi.org/10.1021/ie0488750
- S.Kim, H.S Kim, H.J.Kim and H.S Yang, Fast curing PF resins mixed with various resins and accelaerators for building composite materials, Const and Build.Mat,22(10), pp-2141-2146. DOI: https://doi.org/10.1016/j.conbuildmat.2007.07.007
- Riya srivastava,Deepak srivastava, Utilization of renewable resources in the synthesis of novolac polymers studies on its structural and curing characteristics, Inter.J.Res. Eng.Sci Tech,2(2), June 2013.
- S.Goplakrishnan and T.Linda Fernando, Effect of aliphatic diisocynates on the properties of cardanol based polyurethanes, Arch.appl.Sci.Res,2(6),2010,151-160.
References
Maya Jacob John, Reajesh D. Ananadjiwala, Recent developments in chemical modification and characterization of natural fibre reinforced composites, Wiley Interscience, Polymer Composites,2008.
Kuruvilla Joseph, Romildo dias Toledo Filho, Beena James, Sabu Thomas & Laura Hecker de Carvalho, A review on sisal fibre reinformed polymer composites, R.Bras. Eng. Agric. Ampidentak,Campina Grande, 3, (3) 1999, 367-379). DOI: https://doi.org/10.1590/1807-1929/agriambi.v3n3p367-379
U.S Bangarde, VD Shinde, Review on natural fiber reinforced polymer composite, Inter J.Eng.Sci and Innovative Tech,.3 (2) March 2014.
Sheeja K.R and Avila Thannga Booshan.S, Synthesis and characterization of cardanol/m-cresol resin based polyurethanes, Inter .J.Develop Res, 4(11), Nov 2014, 2246-2252.
Emmanuel A.L and Sinha V.K, Cashewnut shell liquid resin composites reinforced by sawdust and wood flake, Praj.J.Pure & Appl.Sci, 16, 2008, 16-29.
Riya Srivastava and Deepak Srivatava, Studies on the synthesis and curing of thermosetting novolac resin using renewable resource material, Inter J.Che.Res, 5(5), July-Sept 2013, 2575-2581.
S.Gopalakrishnan and R.Sujatha, Synthesis and thermal properties of polyurethanes from cardanol furfural resin, J.Chem pharm.Res,2(3),2010,193-205.
I.S Kattimuttathu and S.K.Vadi, Synthesis, structure and properties of novel polyols from cardanol and developed polyurethanes, Ind.Eng.Chem.Res, 44(13), 2005. DOI: https://doi.org/10.1021/ie0488750
S.Kim, H.S Kim, H.J.Kim and H.S Yang, Fast curing PF resins mixed with various resins and accelaerators for building composite materials, Const and Build.Mat,22(10), pp-2141-2146. DOI: https://doi.org/10.1016/j.conbuildmat.2007.07.007
Riya srivastava,Deepak srivastava, Utilization of renewable resources in the synthesis of novolac polymers studies on its structural and curing characteristics, Inter.J.Res. Eng.Sci Tech,2(2), June 2013.
S.Goplakrishnan and T.Linda Fernando, Effect of aliphatic diisocynates on the properties of cardanol based polyurethanes, Arch.appl.Sci.Res,2(6),2010,151-160.