{"title":"FEATURES OF THE INFLUENCE OF EPOXIDIZED SOYBEAN OIL ON THE PROPERTIES OF POLYLACTIDE MATERIALS","authors":"А. I. Kulish, D. Kechur, A. Masyuk, V. Levytskyi","doi":"10.23939/ctas2022.01.202","DOIUrl":"https://doi.org/10.23939/ctas2022.01.202","url":null,"abstract":"Polylactide composite materials with the plasticizer-compatibilizer epoxidized soybean oil, which are filled with organic filler starch and inorganic – calcium carbonate, have been developed. Based on instrumental methods of analysis, the influence of epoxidized soybean oil on the features of physicochemical interactions in the system was investigated. A change in the rheological and thermophysical properties of the developed polylactide materials was established depending on the component composition.","PeriodicalId":9808,"journal":{"name":"Chemistry, Technology and Application of Substances","volume":"16 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91542953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"THE HEAT TRANSFER EFFICIENCY IN SLINKY HORIZONTAL COLLECTOR WITH “Water – Al2O3” NANOFLUID","authors":"T. Rymar, M. Vodko","doi":"10.23939/ctas2022.02.165","DOIUrl":"https://doi.org/10.23939/ctas2022.02.165","url":null,"abstract":"The heat transfer of the “water – Al2O3” nanofluid in the Ø 32 × 3 mm horizontal Slinky collector of spiral configuration of a heat pump have been studied. Nanofluid has good characteristics for use in the energy sector due to its high thermal properties. Studies were performed in the range of changes in the concentration of nanoparticles from 0.38 to 1.3 % vol. for the energy system of an energy-independent building, in particular, for the heating and non-heating periods of the heat supply system for the Kyiv region.","PeriodicalId":9808,"journal":{"name":"Chemistry, Technology and Application of Substances","volume":"50 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83994478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
V. Karpіuk, N. Polish, N. Kachmar-Kos, I. Pavlіuk, R. Konechna
{"title":"The study of the composition of chloroform fraction of ficariaverna","authors":"V. Karpіuk, N. Polish, N. Kachmar-Kos, I. Pavlіuk, R. Konechna","doi":"10.23939/ctas2022.01.061","DOIUrl":"https://doi.org/10.23939/ctas2022.01.061","url":null,"abstract":"The results of the study of chloroform extract of the herb Ficaria verna, in particular thechemical composition and antioxidant activity are presented in the paper. 38 volatile compounds were identified: higher fatty acids, fatty acid esters, monocyclic and bicyclic monoterpenoids, saturated hydrocarbons (alkanes), etc. Research determined that chloroform extract shows antioxidant activity. In addition, the significant content of biologically active substances in the lipophilic volatile fraction of Ficaria verna. indicates the prospects for further research.","PeriodicalId":9808,"journal":{"name":"Chemistry, Technology and Application of Substances","volume":"24 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73453496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
N. Semenyuk, G. Dudok, Kh. V. Kysil, T. Skorokhoda, Y. Parfonov
{"title":"Structure and properties of glycerin modified poly(lactiс acids) films","authors":"N. Semenyuk, G. Dudok, Kh. V. Kysil, T. Skorokhoda, Y. Parfonov","doi":"10.23939/ctas2022.01.199","DOIUrl":"https://doi.org/10.23939/ctas2022.01.199","url":null,"abstract":"The structure and properties of modified poly(lactiс acid) films suitable for use as packaging materials and paper lamination were studied. Modification of poly(lactiс acid) of different degrees of crystallinity with glycerol was performed. The influence of film formation conditions, the amount of glycerin plasticizer, the nature of poly(lactiс acid) on the structure, surface morphology and physical and mechanical properties of modified poly(lactiс acid) materials was studied. Modified film materials can be recommended for use in the packaging industry and paper lamination.","PeriodicalId":9808,"journal":{"name":"Chemistry, Technology and Application of Substances","volume":"204 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72771680","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. Masyuk, V. Levytskyi, D. Kechur, B. Kulish, D. Katruk
{"title":"The effect of calcium carbonate on the performance characteristics of polylactide composites","authors":"A. Masyuk, V. Levytskyi, D. Kechur, B. Kulish, D. Katruk","doi":"10.23939/ctas2022.01.180","DOIUrl":"https://doi.org/10.23939/ctas2022.01.180","url":null,"abstract":"Polylactide composite materials with inorganic filler -calcium carbonate which have been modified with epoxidized soybean oil and glycerin have been developed. On the basis of the modular-deformation method of calculation the elastic-plastic properties of the developed polylactide materials and the coefficient of structure are determined. The change of the modulus of deformation, modulus of elasticity, surface hardness, Vicat softening point and thermomechanical characteristics of polylactide composites is revealed.","PeriodicalId":9808,"journal":{"name":"Chemistry, Technology and Application of Substances","volume":"66 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78254143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
О. Orobchuk, A. Berezhniuk, R. Subtelnyi, B. Dzinyak
{"title":"Improvement of the fortified white wine technology","authors":"О. Orobchuk, A. Berezhniuk, R. Subtelnyi, B. Dzinyak","doi":"10.23939/ctas2022.01.082","DOIUrl":"https://doi.org/10.23939/ctas2022.01.082","url":null,"abstract":"The substances of grapes that form the characteristic taste and aroma profile of white fortified wine of Madeira type were described. The use of enzyme preparations of pectolytic and cellulosolytic action Vinozym FCE G and Celoviridine Gx20 to intensify the extraction of phenolic, nitrogen-containing aromatic substances was proposed. In order to deeply oxidize the aromatic substances of the material at the stage of modernization, heating the wine material to 65 ° C in a chamber with continuous pumping and dosing of air was proposed.","PeriodicalId":9808,"journal":{"name":"Chemistry, Technology and Application of Substances","volume":"17 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85047825","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
O. Maikovych, N. Nosova, Z. Nadashkevych, S. Varvarenko
{"title":"Preparation and research of gelatine hydrogel anti-bedsore materials properties","authors":"O. Maikovych, N. Nosova, Z. Nadashkevych, S. Varvarenko","doi":"10.23939/ctas2022.01.166","DOIUrl":"https://doi.org/10.23939/ctas2022.01.166","url":null,"abstract":"The formation of the hydrogel polymer matrix duringthe gelatin cross-linking with dioxirane derivatives of polyoxyethylene glycolswere studied.The optimal conditions for their synthesis were determined. The characteristics of the hydrogel (swelling in different media, mechanical properties at different temperatures) were obtained depending on the type of dioxirane derivative and prepolymer ratio. The possibility of introducing several drugs into hydrogels was established and the release of these drugs was found to be prolonged.","PeriodicalId":9808,"journal":{"name":"Chemistry, Technology and Application of Substances","volume":"48 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91531383","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Influence of bioconversion conditions of grain raw materials on the volatile substances composition of distillates","authors":"L. Palianytsia, N. Berezovska, R. Kosiv","doi":"10.23939/ctas2022.01.117","DOIUrl":"https://doi.org/10.23939/ctas2022.01.117","url":null,"abstract":"The qualitative and quantitative composition of volatile substances of distillates obtained by bioconversion of wheat and rye under the conditions of using different enzyme preparations complexes were studied. It is shown that the content of higher alcohols in rye and wheat distillates increases by 33 and 39%, respectively, for which Laminex BG2 was additionally used as a source of cellulase, and the concentration of furfural increases by 2.2-3.5 times. The concentration of volatile substances in distillates indicates that the fungus Protease GS106 is more effective in bioconversion of both cereals than the bacterial Neutrase 1.5MG.","PeriodicalId":9808,"journal":{"name":"Chemistry, Technology and Application of Substances","volume":"33 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84764576","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. Krychkovska, O. Ushkalova, L. Bolibrukh, O. Khomenko, N. Monka, K. Bolibrukh
{"title":"Pharmaceutical department and technologies of manufacturing of medicinal products","authors":"A. Krychkovska, O. Ushkalova, L. Bolibrukh, O. Khomenko, N. Monka, K. Bolibrukh","doi":"10.23939/ctas2022.01.067","DOIUrl":"https://doi.org/10.23939/ctas2022.01.067","url":null,"abstract":"It was established two forms of organization of providing medicines and medical devices to patients of inpatient departments of health care facilities. The distribution of the presence of pharmacies licensed to manufacture drugs in the structure of the health care facilities by the studied regions of Ukraine was analyzed. It was established that the presence of a pharmaceutical department (pharmacy) in the structure of the departmental health care facilities allows to avoid possible risks that arise when organizing the provision of drugs by only one pharmacist in the health care facilities. It is substantiated that the role of pharmacies and pharmacists in the implementation of the therapeutic function of health care facilities is not only in the provision of drugs, as pharmaceutical prevention in departmental health care facilities is part of pharmaceutical care along with pharmaceutical diagnostics, pharmaceutical pharmaceutical assistance, pharmaceutical ethics and deontology, therefore it is inextricably linked with all elements of this complex concept.","PeriodicalId":9808,"journal":{"name":"Chemistry, Technology and Application of Substances","volume":"140 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85599455","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
М. Bratychak, jr., V. Krasinskyi, N. Chopyk, V. Zemke
{"title":"Thermomechanical properties of compositions based on polyamide 6, obtained from the solution","authors":"М. Bratychak, jr., V. Krasinskyi, N. Chopyk, V. Zemke","doi":"10.23939/ctas2022.01.193","DOIUrl":"https://doi.org/10.23939/ctas2022.01.193","url":null,"abstract":"Thermomechanical studies of polamide 6 compositions, modified with (MPM) montmorillonite-polyvinylpyrrolidone mixture, were performed. Polyamide 6 nanocomposites were obtained by the solution deposition. The influence of nanocomposite production conditions on morphological features of polymer blends were researched. Determination of thermomechanical properties makes it possible to define the optimal content of MPM in polyamide 6 blends.","PeriodicalId":9808,"journal":{"name":"Chemistry, Technology and Application of Substances","volume":"32 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89638900","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}