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Polyurethane Foam Reinforced with Fibers Pineaplle Crown Biocomposites for Sorption of Vegetable Oil
(2020-08-01)
The concern in reducing the environmental impacts caused by human interference is increasing. Thus, the objective of this study was to generate a sustainable solution for sorption of vegetable oil. It was developed and ...
Fresamento de topo em compósito de fibra do caule da bananeira e poliuretano derivado do óleo de mamona
(Universidade Tecnológica Federal do ParanáCuritibaBrasilPrograma de Pós-Graduação em Engenharia Mecânica e de MateriaisUTFPR, 2018-08-21)
The production of goods that use inputs from planted forests, such as reconstituted wood panels used by the furniture industry, has been questioned by consumers and researchers due to environmental issues involved in the ...
Evaluación para la obtención de resina epoxica a partir de aceite de ricino a nivel laboratorio
(Fundación Universidad de América, 2016-11-08)
La presente investigación tuvo como objetivo evaluar el desempeño del aceite de ricino como materia prima para la obtención de resina epóxica. Para esto se empleó un proceso de transamidación del aceite de ricino mediante ...
Quantificação do linalol no óleo essencial da Aniba duckei Korstermans utilizando uma nova coluna capilar POLYH4-MD em Cromatografia Gasosa
(Sociedade Brasileira de Química, 2003-08-01)
In the present work a polyurethane polymer derived from castor oil was used as stationary phase for capillary gas chromatography. The polymer was obtained by reaction of hydroxylated compound and isocynate (NCO), forming ...
Quantificação do linalol no óleo essencial da Aniba duckei Korstermans utilizando uma nova coluna capilar POLYH4-MD em Cromatografia Gasosa
(Sociedade Brasileira de Química, 2003-08-01)
In the present work a polyurethane polymer derived from castor oil was used as stationary phase for capillary gas chromatography. The polymer was obtained by reaction of hydroxylated compound and isocynate (NCO), forming ...
Nanocomposites of waterborne polyurethane reinforced with cellulose nanocrystals from sisal fibres
(Springer/plenum Publishers, 2017-07-28)
Cellulose nanocrystals (CNC) were isolated from sisal fibres and were incorporated in the form of an aqueous suspension to a waterborne polyurethane (WBPU) synthesized from components derived from natural sources using an ...
EFFECT OF THE ADDITION OF SHORT CHAIN POLYMERS ON THE CHEMICAL STRUCTURE, MECHANICAL, THERMAL AND BIOLOGICAL PROPERTIES OF POLYURETHANES SYNTHESIZED WITH ALIPHATIC DIISOCYANATES AND CASTOR OILEFECTO DE LA ADICIÓN DE POLÍMEROS DE CADENA CORTA SOBRE LA ESTRUCTURA QUÍMICA, PROPIEDADES MECÁNICAS, TÉRMICAS Y BIOLÓGICAS DE POLIURETANOS SINTETIZADOS CON DIISOCIANATOS ALIFÁTICOS Y ACEITE DE HIGUERILLA
( Química Nova, 2021)
The objective of this research was to synthesize biocompatible polyurethanes, with suitable mechanical properties to be used as biomaterials. Polyurethanes were synthesized with polyols derived from castor oil and isophorone ...
Effect of the doping medium on blends of polyurethane and polyaniline
(Elsevier B.V., 2001-03-15)
Flexible and free-standing films from blends of polyurethane, based on castor oil, and polyaniline were obtained with various compositions by casting. Significant increase on conductivity followed by a considerable decrease ...
Effect of the doping medium on blends of polyurethane and polyaniline
(Elsevier B.V., 2001-03-15)
Flexible and free-standing films from blends of polyurethane, based on castor oil, and polyaniline were obtained with various compositions by casting. Significant increase on conductivity followed by a considerable decrease ...