{"id":1193,"date":"2017-04-05T13:04:36","date_gmt":"2017-04-05T10:04:36","guid":{"rendered":"http:\/\/polymerjournal.kiev.ua\/en\/?page_id=1193"},"modified":"2017-10-23T21:24:57","modified_gmt":"2017-10-23T18:24:57","slug":"rezanova_plavan","status":"publish","type":"page","link":"http:\/\/polymerjournal.kiev.ua\/en\/rezanova_plavan\/","title":{"rendered":"2016 (3) 5"},"content":{"rendered":"

https:\/\/doi.org\/10.15407\/polymerj.38.03.218<\/a><\/p>\n

Effect of nano-additives on the structure-formation in polymer mixture melts<\/strong><\/p>\n

\u00a0<\/em><\/strong><\/p>\n

N.M. Rezanova<\/em><\/strong>, V.P. Plavan<\/em><\/strong>, V.G. Rezanova<\/em><\/strong>, Y.A. Budash<\/em><\/strong>, V.M. Bogatyrev<\/em><\/strong><\/p>\n

 <\/p>\n

Kyiv National University of Technology and Design<\/p>\n

2, Nemirovich-Danchenko str., Kyiv, 01011, Ukraine, mfibers@ukr.net<\/a><\/p>\n

A.A. Chuyko Institute of Surface Chemistry of National Academy of Sciences<\/p>\n

17, General Naumov str., Kyiv, 03164, Ukraine, ryash@i.ua<\/a><\/u><\/p>\n

 <\/p>\n

Polym. J., 2016, 38<\/strong>, no. 3: 218-224.<\/p>\n

 <\/p>\n

Section: Structure and properties.<\/p>\n

 <\/p>\n

Language: Ukrainian.<\/p>\n

 <\/p>\n

Abstract:<\/p>\n

The influence of the concentration of nano-additive titanium oxide\/silica (TiO<\/em>2<\/em>\/SiO<\/em>2<\/em>) on the processes of structure-formation in thermodynamically incompatible mixtures of polypropylene\/co-polyamide (PP\/CPA) was researched. It is shown that in the presence of modifier the nature of flowing and structure-formation does not change \u2013 in the nano-filled mixture, as in the original one, PP forms the fine-fiber continuous shell, microfiber and particles in the matrix of CPA . Established that the mixed oxide exhibits compatibilizer effect: the value of interphase tension reduces, the degree of dispersion and deformation of the dispersed phase droplets increases, which leading to a decrease in the average diameter of PP microfibers and narrowing of their size distribution. The positive effect of the filler on the fiber-formation is explained by the stabilizing effect of nanoparticle TiO<\/em>2<\/em>\/SiO<\/em>2<\/em>\u00a0in the finest microfiber PP due to increased lifetime (~ by 5 times) and growth inhibition of wave amplitude of destructive perturbations. Changing of the content of nano-additive in the melt mixture makes it possible to manage the process of fiber-formation. Nanoparticles TiO<\/em>2<\/em>\/SiO<\/em>2<\/em>\u00a0exert maximum influence on phase morphology of modified mixture at concentration of 1,0 % mass., which corresponding to a minimum value of the surface tension.<\/em><\/p>\n

 <\/p>\n

Key words: <\/strong>mixture of polymers, nano additive, microfiber, interphase tension.<\/p>\n

 <\/p>\n

References<\/strong><\/p>\n

    \n
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     <\/p>\n

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