Viscoelastic and Adhesion Properties of New Poly(Ether-Urethane) Pressure-Sensitive Adhesives
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Título: | Viscoelastic and Adhesion Properties of New Poly(Ether-Urethane) Pressure-Sensitive Adhesives |
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Autor/es: | Fuensanta, Mónica | Martín-Martínez, José Miguel |
Grupo/s de investigación o GITE: | Adhesión y Adhesivos |
Centro, Departamento o Servicio: | Universidad de Alicante. Departamento de Química Inorgánica |
Palabras clave: | Polyurethane | Pressure-sensitive adhesive | Viscoelastic properties | Probe tack | Peel | Shear under creep |
Área/s de conocimiento: | Química Inorgánica |
Fecha de publicación: | 24-jun-2020 |
Editor: | Frontiers Media |
Cita bibliográfica: | Fuensanta M and Martín-Martínez JM (2020) Viscoelastic and Adhesion Properties of New Poly(Ether-Urethane) Pressure-Sensitive Adhesives. Front. Mech. Eng. 6:34. doi: 10.3389/fmech.2020.00034 |
Resumen: | New thermoplastic poly(ether-urethane) (TPUs) pressure-sensitive adhesives (PSAs) have been synthesized with the prepolymer method by reacting methylene diisocyanate, different blends of polyether diols—poly(propyleneglycol) (PPG) and poly(tetramethylene ether glycol) (PTMEG)—and 1,4-butanediol chain extender; different NCO/OH ratios have been used. The properties of the TPU PSAs depended on both the NCO/OH ratio and the PTMEG content in the blend. The addition of PTMEG polyol produced semicrystalline regions in the soft segments of the TPUs and inhibited the mobility of the polymeric chains; this led to improved cohesion of the TPU PSAs; however, similar degrees of phase separation were obtained in all TPUs synthesized with different PTMEG contents. The increase of the PTMEG content in the polyols blend improved both the cohesion and the adhesion but decreased the tack of the TPU PSAs. The optimal balance between the adhesion and cohesion properties was found in the TPU PSA synthesized with 50 wt% PPG + 50 wt% PTMEG and an NCO/OH ratio of 1.20. |
URI: | http://hdl.handle.net/10045/107982 |
ISSN: | 2297-3079 |
DOI: | 10.3389/fmech.2020.00034 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | © 2020 Fuensanta and Martín-Martínez. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms. |
Revisión científica: | si |
Versión del editor: | https://doi.org/10.3389/fmech.2020.00034 |
Aparece en las colecciones: | INV - LAA - Artículos de Revistas |
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