Cerca
Items 1-4 di 4
Síntese de poliuretano termoplástico modificado com POSS via extrusão reativa
(2014-06-03)
In this work, thermoplastic polyurethanes (TPU) were synthesized in solution process and reactive extrusion in twin-screw extruder. The TPUs were obtained with the use of pre-polymer based on 4,4´-Methylenediphenyl ...
Preparação e caracterização de membranas de polisulfona-poliuretano para recuperação de água de processos têxteis industriais simulados
(2021-03-12)
Techniques using membranes for the treatment of wastewater usually promote higher quality of treated water when compared to other processes. Among them, pervaporation has advantages in terms of selectivity, in addition to ...
Efeito de extensores de cadeia e poliol de fonte renovável na estrutura e propriedades de poliuretanos termoplásticos obtidos por processamento reativo
(2024-01-25)
Thermoplastic polyurethanes (TPUs) are highly versatile polymers known for their wide range of properties, achieved through the strategic combination of raw materials, including isocyanates, polyols, and chain extenders. ...