Thermal stability of brushite with chitosan samples; IOP Conference Series: Materials Science and Engineering; Vol. 168 : Radiation-Thermal Effects and Processes in Inorganic Materials (RTEP2016)

Thermal stability of brushite with chitosan samples; IOP Conference Series: Materials Science and Engineering; Vol. 168 : Radiation-Thermal Effects and Processes in Inorganic Materials (RTEP2016)

Dades bibliogràfiques
Parent link:	IOP Conference Series: Materials Science and Engineering Vol. 168 : Radiation-Thermal Effects and Processes in Inorganic Materials (RTEP2016).— 2017.— [012066, 6 p.]
Autor corporatiu:	Национальный исследовательский Томский политехнический университет (ТПУ) Физико-технический институт (ФТИ) Кафедра иностранных языков физико-технического института (ИЯФТ)
Altres autors:	Chikanova E. S., Golovanova О. А., Malikova T. V., Kuimova M. V. Marina Valerievna
Sumari:	Title screen In this paper, the powders of brushite from an aqueous solution of Ca(NO[3])[2]- (NH[4])[2]HPO[4] with different content of chitosan were synthesized. XRD data revealed that all samples are single-phase and are brushite (CaHPO[4]•centerdot2H[2]O). By FT-IR spectroscopy and BET methods, it was found that chitosan adsorbs onto the surface of powders. With increase of the content of the additive, the average size of crystallites increases 4.0 – 4.8 – 11.8 [mu]m, respectively, and the dissolution rate in isotonic solution also decreases. The thermal stability of the composite powders was studied. It was established that the highest destruction of samples occurs in the range 473-673 K by removing of adsorption and crystallization water and partial change of the structure of the mineral and chitosan. At a temperature of 873 K, carbonization of the organic additive occurs.
Idioma:	anglès
Publicat:	2017
Col·lecció:	Technologies and equipment for their implementation
Matèries:	электронный ресурс труды учёных ТПУ термическая стабильность брушит водные растворы ИК-Фурье спектроскопия поверхности порошки добавки композиционные порошки карбонизация
Accés en línia:	http://dx.doi.org/10.1088/1757-899X/168/1/012066 http://earchive.tpu.ru/handle/11683/37765
Format:	Electrònic Capítol de llibre
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=653838

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