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polyurethane foam

Tecnologia da espuma de poliuretano com prata iônica e sulfadiazina de prata: aplicabilidade em feridas cirúrgicas infectadas     /     Polyurethane foam technology with ionic silver and silver sulfadiazine: applicability in infected surgical wounds

Tecnologia da espuma de poliuretano com prata iônica e sulfadiazina de prata: aplicabilidade em feridas cirúrgicas infectadas / Polyurethane foam technology with ionic silver and silver sulfadiazine: applicability in infected surgical wounds

... The objective of the research is to describe the healing process of infected surgical wounds with the use of polyurethane foam with ionic silver and silver sulfadiazine. This is an observational, ...

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Sorption of crystal violet by polyurethane foam from aqueous medium containing sodium dodecylsulfate.

Sorption of crystal violet by polyurethane foam from aqueous medium containing sodium dodecylsulfate.

... SORPTION OF CRYSTAL VIOLET BY POLYURETHANE FOAM FROM AQUEOUS MEDIUM CONTAINING SODIUM DODECYLSULFATE. This work presents a detailed study about the sorption of crystal violet (CV) cationic dye onto ...

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EFFECTIVENESS OF USING POLYURETHANE FOAM TO REDUCE HEAT LOSS IN THE PREMISES FOR BREEDING

EFFECTIVENESS OF USING POLYURETHANE FOAM TO REDUCE HEAT LOSS IN THE PREMISES FOR BREEDING

... It is proved that the use of polyurethane foam insulation for the purpose of walling premises for breeding allows them to halve the deficit of heat in winter. Because of this more efficient use of feed, ...

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IMPROVED VIBRATION CHARACTERISTICS OF FLEXIBLE POLYURETHANE FOAM VIA COMPOSITE FORMATION

IMPROVED VIBRATION CHARACTERISTICS OF FLEXIBLE POLYURETHANE FOAM VIA COMPOSITE FORMATION

... Flexible polyurethane (PU) foam is used as cushioning material in automotive seating for load ...of foam composites were examined by transmissibility tests generated at 1 and ...a foam-block ...

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Tratamento de efluentes líquidos de laticínios empregrando adsorvente neutro de espuma de poliuretano / Treatment of liquid effluents from dairy products using a neutral polyurethane foam adsorber

Tratamento de efluentes líquidos de laticínios empregrando adsorvente neutro de espuma de poliuretano / Treatment of liquid effluents from dairy products using a neutral polyurethane foam adsorber

... from polyurethane foams, activated with glutaraldehyde and containing surface immobilized fatty acids, to reduce the organic load of dairy ...activated foam was packed and the synthetic dairy effluent (500 ...

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Braz. J. Chem. Eng.  vol.25 número2

Braz. J. Chem. Eng. vol.25 número2

... on polyurethane foam in mechanically stirred ASBRs was proposed by Ratusznei et ...cm polyurethane foam cubes inside a basket inside the ...different polyurethane-foam cube sizes ...

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J. Braz. Chem. Soc.  vol.15 número4

J. Braz. Chem. Soc. vol.15 número4

... The purpose of the present work was to investigate the sorption behaviour of indium from an iodide medium by polyether based polyurethane foam. The effect of medium acidity and alkalinity, equilibrium ...

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Brazilian Journal of Chemical Engineering

Brazilian Journal of Chemical Engineering

... with polyurethane foam matrices containing immobilized anaerobic sludge taken from an up-flow anaerobic sludge blanket (UASB) reactor treating diluted piggery ...

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EFFECT OF DIFFERENT SUBSTRATES IN AQUAPONIC LETTUCE PRODUCTION ASSOCIATED WITH INTENSIVE TILAPIA FARMING WITH WATER RECIRCULATION SYSTEMS

EFFECT OF DIFFERENT SUBSTRATES IN AQUAPONIC LETTUCE PRODUCTION ASSOCIATED WITH INTENSIVE TILAPIA FARMING WITH WATER RECIRCULATION SYSTEMS

... flexible polyurethane foam, FPF) on the production of aquaponic lettuce, moreover, to show that the residual water from intensive tilapia production provides sufficient qualitative characteristics for ...

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Lat. Am. j. solids struct.  vol.14 número7

Lat. Am. j. solids struct. vol.14 número7

... in polyurethane foam filled honey- comb core sandwich panel to increase the interfacial strength be- tween the faces and core in order to improve the performance of sandwich ...structures. Foam ...

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Braz. j. .  vol.83 número1

Braz. j. . vol.83 número1

... Methods: In total, 50 patients were included in a prospective, double-blind, randomized trial. One side was packed with polyurethane foam, while the opposite side was packed with gauze packing. On the 2nd, ...

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Biodegradation of polyurethane derived from castor oil

Biodegradation of polyurethane derived from castor oil

... One of the polymers that has been used most frequently in recent years in many kinds of industries, is polyurethane foam. Polyurethanes (PU) were developed by Otto Bayer in 1937, and became a fantastic ...

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Flexible polyurethane foams based on 100 renewably sourced polyols

Flexible polyurethane foams based on 100 renewably sourced polyols

... Density measurement results are shown in Table 3. Cellular structure and cell size of the foams were observed by optical microscopy (Fig. 1) and cell size values are also resumed in Table 3. It was observed that density ...

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Biodegradação de poliuretano derivado do óleo de mamona

Biodegradação de poliuretano derivado do óleo de mamona

... Dissertação (Mestrado) – Instituto de Química se São Carlos, Universidade de São Paulo, São Carlos, 1993.. Extraction of aromatic acids and phenols by polyurethane foam. Extraction of p[r] ...

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Braz. J. Chem. Eng.  vol.19 número3

Braz. J. Chem. Eng. vol.19 número3

... The morphologies observed in polyurethane foam samples are shown in Figure 3. The first samples corresponding to day 6 were yellowish or blackish, depending on their relative position in the differential ...

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Morphological Study of Biomass During the Start-Up Period of a Fixed-Bed Anaerobic Reactor Treating Domestic Sewage

Morphological Study of Biomass During the Start-Up Period of a Fixed-Bed Anaerobic Reactor Treating Domestic Sewage

... A mass balance showed that clogging was caused mainly by the production of solids inside the reactor and, to a much lesser extent, by the entrance of suspended solids in the reactor. Studying the influence of the ...

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Aluminum foam sandwick with adhesive bonding: computational modelling

Aluminum foam sandwick with adhesive bonding: computational modelling

... polymer foam, e.g. polyurethane foam, is used as a starting ...polymer foam has closed pores, it has to be transformed into an open porous one by a reticulation ...polymer foam with ...

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Eclet. Quím.  vol.30 número1

Eclet. Quím. vol.30 número1

... The absorbance measurements based on peak area were performed in a Perkin-Elmer AAnalyst 600 atomic absorption spectrometer equipped with a longitudinal Zeeman-effect background correction system, as well as graphite ...

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J. Braz. Chem. Soc.  vol.15 número1

J. Braz. Chem. Soc. vol.15 número1

... of polyurethane foam (PUF) impregnated with the reagent 2-(2-thiazolylazo)-p-cresol (TAC) previously utilized to extract the metallic ion from sample ...

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Braz. J. Phys.  vol.35 número2B

Braz. J. Phys. vol.35 número2B

... spin foam models is that of a conribution to the overall measure, therefore the implementation of causality is needed only at the vertex level, that is instead supposed to encode the dy- namics of the theory; on ...

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