© A m c Editorial This special issue contains selected articles related to oral contributions presented at the XIII Meeting of the Brazilian Materials Research Society (SBPMat 2014) within the Symposium A: Functional hybrid interfaces from characterization to applications, held in Joao Pessoa, Brazil, during September 28 through October 2, 2014. This symposium hosted by SBPMat was organized by Welchy Leite Cavalcanti from Fraunhofer IFAM, Andreia Luisa da Rosa from Federal University of Minas Gerais (UFMG), Andre Avelino Pasa from Federal University of Santa Catarina (UFSC), and Silvio de Barros from Federal Center of Technological Education Celso Suckow da Fonseca (CEFET-RJ), and it was supported by the Brazilian Society of Adhesion and Adhesives (ABAA). The main focus was on design, control and characterization of hybrid polymer/solid state materials aiming at applications in optoelectronics, coatings and adhesives. Within the symposium, theoreticians and experimentalists discussed the present state of the art in the field and future trends. Diverse oral and poster contributions were presented by researchers from numerous universities, institutes and research centers. It may be highlighted that symposium A hosted various remarkable presentations by young researchers and among them several contributions which were at least partly supported within the program Science without Borders (Ciencia sem Fronteiras) coordinated by CAPES (Coordination of Improvement of Higher Education Personnel), CNPq (National Counsel of Technological and Scientific Development) and DAAD (German Academic Exchange Service). In order to disseminate the interdisciplinary and international work presented within Symposium A of the XIII Brazilian MRS Meeting, six contributions were selected along with the value added chain ranging from research and development towards applications of modern adhesion science. The papers were prepared and submitted to a peer review, and they result in the present Special Issue of AAS which accentuates mainly threefold strands leading to innovative adhesive joints. First physical, chemical and even biologically based processes for building functional adherents and surfaces are addressed, second the development of novel reactive polymers incorporating atmospheric carbon dioxide, and third the investigation of interactions between solid surfaces and polymers or ambient factors. Within, the addressed threefold strands, computer-supported design of reactive monomers and the arising polymers, quality