{"id":1431,"date":"2019-01-15T14:22:06","date_gmt":"2019-01-15T12:22:06","guid":{"rendered":"http:\/\/nti.ukrintei.ua\/?page_id=1431"},"modified":"2019-07-01T17:10:22","modified_gmt":"2019-07-01T14:10:22","slug":"science-technology-innovation-%e2%84%9626-2018-48-53-p","status":"publish","type":"page","link":"https:\/\/nti.ukrintei.ua\/?page_id=1431&lang=en","title":{"rendered":"Science technology innovation \u21162(6) 2018, 48-53 p"},"content":{"rendered":"

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Kabat O.S., Kobelchuk Yu.M., Chervakov D.O., Chervakov O.V.<\/strong> \u2014 Ukrainian State University of Chemical Engineering, 8, Haharin Ave., Dnipro, Ukraine, 49005<\/p>\n

POLYMER COMPOSITE MATERIALS WITH A HIGH LEVEL OF THERMAL STABILITY BASED ON PHENOLIC RESINS AND DISPERSE SILICA FILLERS<\/strong><\/p>\n

Abstract.<\/strong> Development of the engineering industry is difficult without using of heat-resistant polymer composite materials for manufacturing of machines and mechanisms parts operating at temperatures up to 300\u00b0C. For this purpose it was suggested the diphenylolsulfone formaldehyde resin as a polymer matrix, and
\ndifferent modifications of disperse silicas \u2014 white soot WS-120 and aerosol A-380 \u2014 were selected for fillers. The developed phenoplasts have high level of thermal stability (up to 370 oC), it\u2019s at 25\u201330\u00b0C is higher, then for initial resins. Apparently, this is a result of increasing of the interaction level on the boundary \u201cpolymer-disperse filler\u201d, under the processing condition (at temperatures 170\u2013190\u00b0C) due to appearing of covalent and hydrogen bonds between hydroxyl groups at the surface of the silica and methylol groups of the polymer matrix.<\/p>\n

Keywords:<\/strong> polymeric composite materials, thermal stability, phenoplasts, silica fillers.<\/p>\n

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PDF Kabat O.S., Kobelchuk Yu.M., Chervakov D.O., Chervakov O.V. \u2014 Ukrainian State University of Chemical Engineering, 8, Haharin Ave., Dnipro, Ukraine, 49005 POLYMER COMPOSITE MATERIALS WITH A HIGH LEVEL OF THERMAL STABILITY BASED ON PHENOLIC RESINS AND DISPERSE SILICA FILLERS Abstract. Development of the engineering industry is difficult without using of heat-resistant polymer composite materials … <\/p>\n

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