Synthesis and characterization of Poly(urea-formaldehyde) microcapsules with 5-ethylidene-2-norbornene as self-healing agent and potential use in polymeric composites

Autor: SABRINA SARA ROSSI, ALEXANDRE ESTEVÃO CARRARA, MARIA CAROLINA B. COSTA, CAIO LUCAS G.P. MARTINS, RITA DE CÁSSIA L. DUTRA, JORGE CARLOS N. DUTRA

Publikováno v: Anais da Academia Brasileira de Ciências, Vol 95, Iss suppl 2 (2023)

Abstract This study describes a methodology to prepare and characterize PUF [poly(urea formaldehyde)] microcapsules containing 5-ethylidene-2-norbornene (ENB) as self-healing agent, as well as the compatibility evaluation of ENB in the presence of Gr

Externí odkaz: https://doaj.org/article/03384386679c4cd1bf23542da817a470

Determination of Polychloroprene Content in Rubber Blend Containing Ethylene Propylene Diene Monomer by Infrared Techniques

Autor: Alexandre Estevão Carrara, Lidia Mattos Silva Murakami, Alexandra Helena de Barros, Jorge Carlos Narciso Dutra, Rachel Farias Magalhães, Rita de Cássia Lazzarini Dutra, Paulo Santos Rigoli, Elizabeth da Costa Mattos

Publikováno v: Journal of Aerospace Technology and Management, Vol 13, Iss 1, Pp 0821-0821 (2021)
Journal of Aerospace Technology and Management v.13 2021
Journal of Aerospace Technology and Management
Departamento de Ciência e Tecnologia Aeroespacial (DCTA)
instacron:DCTA

Ethylene propylene diene monomer rubber is used as flexible thermal protection for rocket engines, as well as in blends with polychloroprene, which can be applied in the aeronautical sector, and with great potential in the defense sector. However, th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fcf1e3fb34efbaa19c5602737360fc93
https://doi.org/10.1590/jatm.v13.1197

Synthesis, characterization and qualitative assessment of self-healing capacity of PU microcapsules containing TDI and IPDI as a core agent

Autor: Rita de Cássia Lazzarini Dutra, Alexandre Estevão Carrara, Sabrina Sara Rossi, Jorge Carlos Narciso Dutra, Leandro Mattos Silva, Vinicius Henrique de Souza Rodrigues

Publikováno v: Materials Today Communications. 21:100698

This paper shows the results obtained during the synthesis, characterization and self-healing qualitative capacity assessment microcapsules made of polyurethane (PU) shell, a product of emulsion polymerization reaction between diphenylmethane diisocy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e670232de00740539dc5a566cc951f29
https://doi.org/10.1016/j.mtcomm.2019.100698