RT info:eu-repo/semantics/article T1 Heteroaromatic polyamides with Improved thermal and mechanical properties A1 Trigo López, Miriam A1 Sanjuán Cortázar, Ana María A1 Mendía Jalón, Aránzazu A1 Muñoz Santamaría, María Asunción A1 García García, Félix Clemente A1 García Pérez, José Miguel K1 aromatic polyamides K1 aramid K1 improved properties K1 mechanical properties K1 thermal properties K1 high-performance polymers K1 Química orgánica K1 Chemistry, Organic AB We prepared high-performance aromatic copolyamides, containing bithiazole and thiazolo-thiazole groups in their main chain, from aromatic diamines and isophthaloyl chloride, to further improve the prominent thermal behavior and exceptional mechanical properties of commercial aramid fibers. The introduction of these groups leads to aramids with improved strength and moduli compared to commercial meta-oriented aromatic polyamides, together with an increase of their thermal performance. Moreover, their solubility, water uptake, and optical properties were evaluated in this work. PB MDPI YR 2020 FD 2020-08 LK http://hdl.handle.net/10259/5400 UL http://hdl.handle.net/10259/5400 LA eng NO Fondo Europeo de Desarrollo Regional and both the Spanish Ministerio de Economía, Industria y Competitividad (MAT2017-84501-R) and the Consejería de Educación, Junta de Castilla y León (BU306P18) is gratefully acknowledged. M.T.L. also thankfully acknowledges the Spanish Ministerio de Ciencia e Innovación (PID2019-108583RJ-I00/AEI/10.13039/501100011033) DS Repositorio Institucional de la Universidad de Burgos RD 21-nov-2024