Mecanismos de fractura y comportamiento a fatiga en uniones híbridas adhesivo-mecánicas
Boletín de la Sociedad Española de Cerámica y Vidrio, 2004 In this work it is studied the influence on the spot clinching formation of the adhesive thickness for hybrid lap joints of adhesives with and without capability of full up –polyurethanes and cyanoacrylates - applied on galvanised and painted sheets. The
Durán, J. +4 more
doaj
Polímeros, 2005 Foi estudado o efeito da massa molar e do teor de três poliuretanos termoplásticos comerciais sobre as propriedades mecânicas de misturas físicas de poli(metacrilato de metila)/poliuretano.
Ubirajara F. Pinto +1 more
doaj +1 more source
Desarrollo de poliuretanos con capacidad de retención de boro fiodisponible [PDF]
, 2015 En el contexto de la fertilización de cultivos con ácido bórico (H3BO3), la utilización de materiales con capacidad de carga (retención de boro) y descarga (liberación del boro retenido), tienen potenciales aplicaciones en el desarrollo de sistemas de ...
Benavidez, Erika +2 more
core +8 more sources
Química Nova, 2014 Biodegradable polyurethanes (PUR) were prepared from polyols derived from castor oil by transesterification of pentaerythritol-modified castor oil and lysine polyisocyanates (LDI and LTI).
Manuel F. Valero, Luis E. Díaz
doaj +1 more source
Soybean-Based Polyol as a Substitute of Fossil-Based Polyol on the Synthesis of Thermoplastic Polyurethanes: The Effect of Its Content on Morphological and Physicochemical Properties. [PDF]
Polymers (Basel), 2023 Ernzen JR +4 more
europepmc +1 more source
Acta Cirúrgica Brasileira, 2008 PURPOSE: Evaluating histologically the silicone peri-implant coated by polyurethane inflammation associated to the use of anti-microbial and bacterial contamination. METHODS: It was used 35 Wistar rats.
Paulo Roberto da Silva Mendes +5 more
doaj +1 more source
Tuning Thermal, Morphological, and Physicochemical Properties of Thermoplastic Polyurethanes (TPUs) by the 1,4-Butanediol (BDO)/Dipropylene Glycol (DPG) Ratio. [PDF]
Polymers (Basel), 2022 Ernzen JR +6 more
europepmc +1 more source
Copolímeros de poliuretano del tipo poli[(hexametilencarbamatobutanodiol)- co-(carbonato-co-éster)]
Revista Ion, 2016 Los poliuretanos segmentados termoplástico elastoméricos (PUSTE) comprenden una familia de materiales muy versátiles debido a su potencial empleo en diversos campos tales como biomedicina. Entre los PUSTE los formados por policarbonatos dioles y
Borja Fernández-d'Arlas +2 more
doaj
Obtención de espumas de poliuretano con materiales lignocelulósicos
, 2020 Medellín
Porras Cárdenas, María Eugenia +3 more
openaire +2 more sources
A New Methodology Based on Cell-Wall Hole Analysis for the Structure-Acoustic Absorption Correlation on Polyurethane Foams. [PDF]
Polymers (Basel), 2022 Merillas B +2 more
europepmc +1 more source