Examples of using Polyurethanes in English and their translations into Portuguese
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Colloquial
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Medicine
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Ecclesiastic
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Ecclesiastic
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Computer
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Official/political
Polyurethanes are materials that have many practical applications,
In this study, the abrasive wear behavior of a group of polyurethanes and rubbers were investigated at room temperature according to a rotary drum abrasion method astm d 5963.
These are components of specialty polyurethanes, used primarily in the construction, mining, oil,
Polyurethanes are formed by the reaction of a polyol with a diisocyanate in the presence of suitable catalysts and additives.
Note however that polyurethanes are derived from the polymerization of ISOCYANATES
In this work polymer nanocomposites were prepared with multi-walled carbon nanotubes in order to improve the mechanical properties of two commercial thermoplastic polyurethanes tpus.
with several products including high quality polyurethanes, primers and varnishes.
moulding components from a wide range of materials- from elastomers and polyurethanes to engineered plastics
we excluded materials derived from oil as polyurethanes and polystyrenes.
acrylics or polyurethanes.
derivatives for the synthesis of polyurethanes began in late 1940 with the preparation of polyurethane films for coating surface 11.
This can be confirmed by the thesis that the polyurethanes showed thermal stability up to 210??
Synthesized polyurethanes were characterized by fourier transform infrared spectroscopy for confirmation of the characteristic functional groups;
Among the biopolymers used as biomaterials, polyurethanes(pu) feature prominently, due to its versatility,
Our specialized polyurethanes systems know-how, global production capabilities,
Materials like the polyurethanes, due their versatility which can use polyol from renewable sources as primary element,
desirable mechanical properties and branched polyurethanes have shown besides these characteristics, an appreciable stability to hydrolytic
like block copolymers and thermoplastic polyurethanes and other polar
resins and polyurethanes, that the author often constructs, moulds and realizes himself.
This study aimed the synthesis and characterization of polyurethanes foams with different recipes and to verify the influence of the variables temperature, ph, cultivation time and mass amount of support in the growth in situ of mucor circinelloides urm 4182 microbial biomass in the synthetized polyurethane foams, for application in noncontinuous and continuous production process