TY - JOUR T1 - Synthesis and characterization of new 3-substituted thiophene copolymers JO - Journal of the Brazilian Chemical Society A1 - Alves, Marcos R. A A1 - Calado, Hállen D. R A1 - Donnici, Claudio L A1 - Matencio, Tulio SN - 0103-5053 UL - 10.1590/S0103-50532011000200009 VL - 22 Y1 - 2011 PB - Brasil ER -