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2004•Advances in Polymer TechnologyRequires access

Evaluation of performance of polyurethanes based on hydroxy alkylated cardanol formaldehyde resins under aging conditions

K. Sathiyalekshmi, S. Gopalakrishnan

Open publisher page 19 citations

Abstract

Abstract Rigid polyurethanes were synthesized using hydroxy alkylated cardanol formaldehyde and hydroxy alkylated dimerized‐cardanol formaldehyde resins and dicyclo hexyl methane diisocyanate. The studies on the aging (hydrolytic stability, absorption of water/toluene, chemical resistance, dimensional stability, and thermal stability) of these polyurethanes reveal appreciable stability. The performance of these polyurethanes was compared with elastoplastic polyurethanes synthesized with the addition of commercially available poly(ethylene glycol). The rigid polyurethanes are distinctly stable than elastoplastic polyurethanes under various aging conditions. © 2004 Wiley Periodicals, Inc. Adv Polym Techn 23: 91–102, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/adv.20005

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Abstract Rigid polyurethanes were synthesized using hydroxy alkylated cardanol formaldehyde and hydroxy alkylated dimerized‐cardanol formaldehyde resins and dicyclo hexyl methane diisocyanate. The studies on the aging (hydrolytic stability, absorption of water/toluene, chemical resistance, dimensional stability, and thermal stability) of these polyurethanes reveal appreciable stability. The performance of these polyurethanes was compared with elastoplastic polyurethanes synthesized with the addition of commercially available poly(ethylene glycol). The rigid polyurethanes are distinctly stable than elastoplastic polyurethanes under various aging conditions. © 2004 Wiley Periodicals, Inc. Adv Polym Techn 23: 91–102, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/adv.20005

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Available abstract

Abstract Rigid polyurethanes were synthesized using hydroxy alkylated cardanol formaldehyde and hydroxy alkylated dimerized‐cardanol formaldehyde resins and dicyclo hexyl methane diisocyanate. The studies on the aging (hydrolytic stability, absorption of water/toluene, chemical resistance, dimensional stability, and thermal stability) of these polyurethanes reveal appreciable stability. The performance of these polyurethanes was compared with elastoplastic polyurethanes synthesized with the addition of commercially available poly(ethylene glycol). The rigid polyurethanes are distinctly stable than elastoplastic polyurethanes under various aging conditions. © 2004 Wiley Periodicals, Inc. Adv Polym Techn 23: 91–102, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/adv.20005

Key concepts: Cardanol, Materials science, Formaldehyde, Thermal stability, Polyurethane, Toluene, Alkylation, Hydrolysis

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