Buscar
Mostrando ítems 71-80 de 1271
Food grade microemulsion systems: Sunflower oil/castor oil derivative-ethanol/water. rheological and physicochemical analysis
(Elsevier Science, 2018-05)
Microemulsions are thermodynamically stable systems that have attracted considerable attention in the food industry as delivery systems for many hydrophobic nutrients. These spontaneous systems are highly dependent on ...
Epoxy Monomers Obtained From Castor Oil Using A Toxicity-free Catalytic System
(Elsevier Science BVAmsterdam, 2017)
Synthesis and characterization of a waterborne polyurethane made from castor oil and tartaric acid
(Pergamon-Elsevier Science Ltd, 2018-05)
Waterborne polyurethanes (WBPUs) based on the reaction of unmodified castor oil (CO) with isophorone diisocyanate (IPDI) were synthesized using dimethylolpropionic acid (DMPA) or tartaric acid (TA) as internal emulsifiers. ...
Síntesis y Caracterización de Espumas Flexibles de Poliuretano Obtenidas a partir de Aceite de Castor Maleneizado
(Assoc Brasil Polimeros, 2009-04)
En este trabajo se realiza la síntesis de espumas flexibles de poliuretano empleando un diseño experimental Taguchi, utilizando aceite de castor con y sin maleinización, se estudia la cinética de la reacción de esterificación ...
Polyurethane foams obtained from castor oil-based polyol and filled with wood flour
(Sage Publications Ltd, 2009-12)
A natural polyol was prepared from castor oil by alcoholysis with triethanolamine. The oil and the oil-based polyol were characterized by infrared spectroscopy and through the analytical determination of their functional ...
Rhipicephalus sanguineus (Acari: Ixodidae) female ticks exposed to castor oil (Ricinus communis): An ultrastructural overview
(2013-02-01)
Tick control has been accomplished through the use of synthetic acaricides, which has created resistant individuals, as well as contaminating the environment and nontarget organisms. Substances of plant origin, such as ...
Rhipicephalus sanguineus (Acari: Ixodidae) female ticks exposed to castor oil (Ricinus communis): An ultrastructural overview
(2013-02-01)
Tick control has been accomplished through the use of synthetic acaricides, which has created resistant individuals, as well as contaminating the environment and nontarget organisms. Substances of plant origin, such as ...
Extração de alcaloides de semente de mamona (Ricinus communis L.)
(Universidade Tecnológica Federal do ParanáPato Branco, 2011-12-01)
The castor bean (Ricinus communis L.) is an oleaginous plant widely cultivated in Brazil, to produce an oil with unusual qualities, used in the manufacture of various cosmetics, pharmaceuticals, textiles including biodiesel. ...