Effect of butadiene/styrene ratio, block structure and carbon nanotube content on the mechanical and electrical properties of thermoplastic elastomers after UV ageing

This work is funded by FEDER funds through the "Programa Operacional Fatores de Competitividade – COMPETE" and by national funds arranged by FCT- Fundacao para a Ciencia e a Tecnologia, project references PTDC/CTM-NAN/112574/2009, PEST C/FIS/UI607/2014 and PEST-C/QUI/UIO686/2013. The authors also thank funding from Matepro –Optimizing Materials and Processes”, ref. NORTE-07-0124-FEDER-000037”, co funded by the “Programa Operacional Regional do Norte” (ON.2 – O Novo Norte), under the “Quadro de Referencia Estrategico Nacional” (QREN), through the “Fundo Europeu de Desenvolvimento Regional” (FEDER) and the n-STeP Project, reference NORTE-07-0124 FEDER-000039, supported by the Programa Operacional Regional do Norte (ON.2). PC thank the FCT for the SFRH/BD/64276/2009 grant. Thanks to Dynasol (Spain) by supply several thermoplastic elastomers.