Reactivity of novel ethyl cyanoacrylate and 6-hydroxyhexyl acrylate adhesive mixtures and their influence on adhesion and thermal stability

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Title: Reactivity of novel ethyl cyanoacrylate and 6-hydroxyhexyl acrylate adhesive mixtures and their influence on adhesion and thermal stability
Authors: Estan-Cerezo, Gabriel | Alonso, Diego A. | Martín-Martínez, José Miguel
Research Group/s: Adhesión y Adhesivos | Catálisis Estereoselectiva en Síntesis Orgánica (CESO)
Center, Department or Service: Universidad de Alicante. Departamento de Química Orgánica | Universidad de Alicante. Departamento de Química Inorgánica | Universidad de Alicante. Instituto Universitario de Síntesis Orgánica
Keywords: Cyanoacrylate | Polymer synthesis | Stability | Tacticity
Knowledge Area: Química Orgánica | Química Inorgánica
Issue Date: Mar-2017
Publisher: Elsevier
Citation: European Polymer Journal. 2017, 88: 75-92. doi:10.1016/j.eurpolymj.2017.01.010
Abstract: Different amounts (5–10 wt%) of an acrylate compound - 6-hydroxyhexyl acrylate (HHA) - was added to ethyl cyanoacrylate (ECN) for decreasing its stiffness and improving its thermal stability without decreasing its adhesion properties. The addition of HHA increased the immediate adhesion and decreased noticeably the glass transition temperature of the ECN. No reaction between HHA and ECN was observed in the ECN + HHA mixtures stored at 8 °C during long periods of time, but after 192 days a copolymerization by transesterification reaction between ECN and HHA was observed. The copolymerization of ECN and HHA produced new structures with broader molecular weight distribution and different tacticity than the ones obtained in the polymerization of ECN only. Because of the differences in structure, noticeable changes in the adhesion, structural, and thermal properties of the ECN + HHA polymers were observed. Whereas the ECN polymer decomposed at 200 °C, the copolymers of ECN + HHA decomposed near 300 °C.
Sponsor: This work was supported by the University of Alicante (VIGROB-001, VIGROB-173) and the Spanish Ministerio de Economía y Competitividad (CTQ2015-66624-P).
ISSN: 0014-3057 (Print) | 1873-1945 (Online)
DOI: 10.1016/j.eurpolymj.2017.01.010
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2017 Elsevier Ltd.
Peer Review: si
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Appears in Collections:INV - LAA - Artículos de Revistas
INV - CESO - Artículos de Revistas

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