INFLUENCE OF GRINDING ON THE THERMODYNAMIC PROPERTIES OF CELLULOSE

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Осовская (Osovskaia), Ираида (Iraida) Ивановна (Ivanovna) ; Байкова (Baikova), Вероника (Veronika) Сергеевна (Sergeevna) ; Полторацкий (Poltoratskii), Геннадий (Gennadij) Матвеевич (Matveevich) (2014)
  • Publisher: Altai State University
  • Journal: Khimiia rastitel'nogo syr'ia (Chemistry of plant raw material) (issn: 1029-5143)
  • Related identifiers: doi: 10.14258/jcprm.201501400
  • Subject: a sulfate hardwood pulp, a softwood pulp, a grinding, a brushing, a reducing groups, a thermodynamic properties of a pulp, a papermaking properties of a pulp, a inclusion | сульфатная лиственная, хвойная целлюлозы, размол, фибриллирование, редуцирующие группы, термодинамические, бумагообразующие свойства целлюлозы, инклюдирование.

Today no single point of view on the mechanism of the processes occurring during the grinding. Objective: to determine the relationship between the thermodynamic properties of cellulose and the ability to form relationships milled cellulose fibers. The object of the study were samples of Kraft bleached and unbleached pulps from coniferous and deciduous wood. In the work received the results of the integral heat of interaction milled cellulose at the time of grinding 0-40 min at 298 K; removed isotherms of water vapor sorption in a wide range of relative vapor pressures of the water. Much attention is paid to the preparation of the samples for the calorimetric measurements. Develop presentation on the influence of reducing groups on the properties of cellulose and its ability to form relationships upon receipt paper. The conclusion about possible regulation of cellulose on the basis of the obtained thermodynamic parameters of milled cellulose.
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