نتایج جستجو برای: rheometry
تعداد نتایج: 530 فیلتر نتایج به سال:
good dispersion of nano-particles in polymer matrices is a crucial parameter in determining the final properties of polymer nanocomposites. in this work, the distributions of cloisite 30b, cloisite 10a and cloisite 93a in ptmeg, popular polyols in the polyurethane manufacturing, were investigated in the nano, micro and macro scales. this investigation was carried out using x-ray diffraction, rh...
This review considers some of the various rheometrical approaches that have been adopted to study blood coagulation, with special reference to the rheological assessment of clotting time and studies of the evolution of viscoelasticity during the course of fibrin polymerization and cross-linking. A common feature of many of these studies is that they attempt to detect a liquid-to-solid transitio...
single-walled carbon nanotubes (swcnt) and multi-walled carbon nanotubes(mwcnt) were melt-blended with polyvinylidene fluoride (pvdf).ft-ir technique revealed that swcnt has insignificant effect on the crystalline structure of pvdf and at 3wt% modification only 14% beta crystal isformed. this observation was accounted for by the chair structure of swcnt. in mwcnt nancomposites it was found that...
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