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C9 Fraction inverse emulsion oligomerization conditions and characteristics of petroleum resins correlation C9馏分乳液反聚条件及石油树脂特性的相关性研究
Chemistry, Technology and Application of Substances Pub Date : 2021-06-01 DOI: 10.23939/ctas2021.01.088
R. Subtelnyi, D. Kichura, R. R. Kostiuk, A. Danyliv, B. Dzinyak
{"title":"C9 Fraction inverse emulsion oligomerization conditions and characteristics of petroleum resins correlation","authors":"R. Subtelnyi, D. Kichura, R. R. Kostiuk, A. Danyliv, B. Dzinyak","doi":"10.23939/ctas2021.01.088","DOIUrl":"https://doi.org/10.23939/ctas2021.01.088","url":null,"abstract":"It has been studied the production of petroleum resins by low-temperature inverse emulsion oligomerization of C9 fraction of diesel fuel pyrolysis liquid by-products. It is established that the determining factors of the C9 fraction of the inverse emulsion oligomerization are the following: reaction time, emulsifier concentration and phase ratio. Yield and physicochemical characteristics of oligomers сorrelations were established. Multiple linear regression of oligomer yield depends on the main significant parameters of the fraction C9 inverse emulsion oligomerization is proposed.","PeriodicalId":9808,"journal":{"name":"Chemistry, Technology and Application of Substances","volume":"18 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87344328","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}
引用次数: 0
Іnvestigation of gel formation peculiarities and properties of hydrogels obtained by the structuring of acrylamide prepolymers Іnvestigation通过构造丙烯酰胺预聚物获得的凝胶形成特性和性质
Chemistry, Technology and Application of Substances Pub Date : 2021-06-01 DOI: 10.23939/ctas2021.01.179
O. Maikovych, I. Dron, N. Bukartyk, O. Y. Bordeniuk, N. Nosova
{"title":"Іnvestigation of gel formation peculiarities and properties of hydrogels obtained by the structuring of acrylamide prepolymers","authors":"O. Maikovych, I. Dron, N. Bukartyk, O. Y. Bordeniuk, N. Nosova","doi":"10.23939/ctas2021.01.179","DOIUrl":"https://doi.org/10.23939/ctas2021.01.179","url":null,"abstract":"The paper represents the results of the investigation of the formation of a polymeric matrix of hydrogel due to the structuring of polyacrylamide using its reactive polymeric derivative – poly-N- (hydroxymethyl) acrylamide. Research determined zones of optimum conditions of synthesis and characterized hydrogel depending on pH of media, the ratio between the concentration of prepolymers, and time of synthesis. The investigation of the reaction mixture showed that the hydrogen index of the synthesis of hydrogels is one of the important factors, which in the design of the polymer framework of hydrogels allows regulating their colloidal chemical properties in a wide range.","PeriodicalId":9808,"journal":{"name":"Chemistry, Technology and Application of Substances","volume":"60 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91324946","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}
引用次数: 0
Activation of polyethylene granules by finely dispersed zinc 细分散锌对聚乙烯颗粒的活化作用
Chemistry, Technology and Application of Substances Pub Date : 2021-06-01 DOI: 10.23939/ctas2021.01.191
А. М. Kucherenko, О. Nikitchuk, Ľ. Dulebová, V. Moravskyi
{"title":"Activation of polyethylene granules by finely dispersed zinc","authors":"А. М. Kucherenko, О. Nikitchuk, Ľ. Dulebová, V. Moravskyi","doi":"10.23939/ctas2021.01.191","DOIUrl":"https://doi.org/10.23939/ctas2021.01.191","url":null,"abstract":"The results of experimental researches of features of mechanical activation of polyethylene granules with finely dispersed zinc in a ball mill, and also results of research of chemical copper plating of activated polyethylene granules are given. The influence of the ratio of polyethylene granules and fine zinc, the speed of rotation of the ball mill and the duration of activation, as well as the degree of loading of the components in the activation process of polyethylene granules was studied. It is established that the condition of activation of polyethylene granules with finely divided zinc has a significant impact on the metallization process and the copper efficiency of activated polyethylene granules.","PeriodicalId":9808,"journal":{"name":"Chemistry, Technology and Application of Substances","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78245869","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}
引用次数: 2
Theoretical analysis and experimental study of H2S dissociation processes in ultrahigh-frequency plasmotron 超高频等离子体加速器中H2S解离过程的理论分析与实验研究
Chemistry, Technology and Application of Substances Pub Date : 2021-06-01 DOI: 10.23939/ctas2021.01.066
Z. Znak
{"title":"Theoretical analysis and experimental study of H2S dissociation processes in ultrahigh-frequency plasmotron","authors":"Z. Znak","doi":"10.23939/ctas2021.01.066","DOIUrl":"https://doi.org/10.23939/ctas2021.01.066","url":null,"abstract":"Theoretical analysis of aerodynamic conditions in a plasma chemical reactor with tangential gas supply is carried out. It is shown that due to the creation of a swirling flow in the reactor there is a pressure gradient, due to this along the vertical axis there is a vacuum zone, which contributes to the occurrence of plasma discharge. On the basis of the carried-out experimental researches of plasmolysis of hydrogen sulphide in a swirling stream and the analysis of images of the plasma discharge with use of monochromatic light filters the general structure of the plasma discharge is established. The influence of the temperature gradient in the reactor on the possibility of the formation of sulphur clusters as a prerequisite for the formation of a high molecular weight product – polymeric sulphur – was established.","PeriodicalId":9808,"journal":{"name":"Chemistry, Technology and Application of Substances","volume":"10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88659039","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}
引用次数: 0
Рroduction of light fillers on the basis of technogenic raw materials 以技术原料为基础的轻质填料Рroduction
Chemistry, Technology and Application of Substances Pub Date : 2021-06-01 DOI: 10.23939/ctas2021.01.131
D. Kindzera, V. Atamaniuk, Z. Gnativ, I. Mitin
{"title":"Рroduction of light fillers on the basis of technogenic raw materials","authors":"D. Kindzera, V. Atamaniuk, Z. Gnativ, I. Mitin","doi":"10.23939/ctas2021.01.131","DOIUrl":"https://doi.org/10.23939/ctas2021.01.131","url":null,"abstract":"In Ukraine, along with the growing demand for tonnage production of light fillers, the need for raw materials is growing, considering that most of the range of light fillers is made from natural raw materials. Thus, a promising direction of utilization of TPP slags and coal concentrate obtained by enrichment of primary coal sludge is there involvement to the production process after preliminary drying. Drying of the thermal power plant slag and the coal concentrate, which are hydraulic mixtures, by the filtration method will reduce energy consumption due to the displacement and removal of significant amount of moisture by the moving thermal agent due to the pressure drop. The results of studies of the thermal agent velocity effect on the drying process duration of TPP slag and coal concentrate, as well as the obtained values of heat transfer coefficients at different velocities of the thermal agent for TPP slag α = 40 ÷ 112 and coal concentrate α = 92,5 ÷ 294 will allow to calculate energy consumption and scientifically substantiate the optimal technological parameters for intensification of the drying process of the charge components for porous fillers production.","PeriodicalId":9808,"journal":{"name":"Chemistry, Technology and Application of Substances","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90660956","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}
引用次数: 0
Regularities of hydrogel films saturation with alcoholic solutions 水凝胶膜在酒精溶液中的饱和规律
Chemistry, Technology and Application of Substances Pub Date : 2021-06-01 DOI: 10.23939/ctas2021.01.219
S. Suberliak, R. Petrina, A. V. Pohmurska, N. Baran, Y. Melnyk
{"title":"Regularities of hydrogel films saturation with alcoholic solutions","authors":"S. Suberliak, R. Petrina, A. V. Pohmurska, N. Baran, Y. Melnyk","doi":"10.23939/ctas2021.01.219","DOIUrl":"https://doi.org/10.23939/ctas2021.01.219","url":null,"abstract":"The results of saturation with alcohol solutions of hydrogel films based on copolymers of polyvinylpyrrolidone with poly-2-hydroxyethyl methacrylate have been considered in the paper. The impact of ethanol concentration which is the most often applied for the therapeutic extracts production based on medicinal herbs has been researched. The influence of samples preparation conditions on amount of alcohol- water mixture absorption was also determined.oplastic pormposites.","PeriodicalId":9808,"journal":{"name":"Chemistry, Technology and Application of Substances","volume":"287 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87332454","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}
引用次数: 0
The structure formation features of gypsum-lime composite binders for non-autoclaved aerated concrete 非蒸压加气混凝土用石膏-石灰复合粘结剂的结构形成特征
Chemistry, Technology and Application of Substances Pub Date : 2021-06-01 DOI: 10.23939/ctas2021.01.060
B. Chekanskyi, I. Lutsyuk, V. R. Pastushok
{"title":"The structure formation features of gypsum-lime composite binders for non-autoclaved aerated concrete","authors":"B. Chekanskyi, I. Lutsyuk, V. R. Pastushok","doi":"10.23939/ctas2021.01.060","DOIUrl":"https://doi.org/10.23939/ctas2021.01.060","url":null,"abstract":"The crystalline phases of hydration products of the gypsum-lime binder were identified using XRD analysis. The physical and chemical regularities of the structure formation processes in the model system “gypsum – quicklime – metakaolin – amorphous silica – water – borax” were established. The influence of the quicklime type and gypsum binder brand on the morphology and the size of the calcium sulfate dihydrate crystals were investigated. The relationship between processesof the structure formation of composite gypsum-lime binders under normal hardeningconditions and the physical and mechanical characteristics of the stone was established.","PeriodicalId":9808,"journal":{"name":"Chemistry, Technology and Application of Substances","volume":"73 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86242781","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}
引用次数: 0
The properties of hydrogel membranes obtained by modification in the volyme 水凝胶膜在体积上的改性所获得的性能
Chemistry, Technology and Application of Substances Pub Date : 2021-06-01 DOI: 10.23939/ctas2021.01.158
N. Baran, O. Suberlyak, O. Grytsenko, V. Moravskyi
{"title":"The properties of hydrogel membranes obtained by modification in the volyme","authors":"N. Baran, O. Suberlyak, O. Grytsenko, V. Moravskyi","doi":"10.23939/ctas2021.01.158","DOIUrl":"https://doi.org/10.23939/ctas2021.01.158","url":null,"abstract":"The method of the composite hydrogel membranes synthesis based on the 2-hydroxyethyl methacrylate (HEMA) and polyvinylpyrrolidone (PVP) with simultaneous modification in the volume by the mixture of polyamide-6 (PA-6) and PVP solution with varying the concentration of the reaction mixture in the water has been described in this study. The influence of the water content in the reaction composition on the physical mechanical properties and water absorption of the obtained membranes has been investigated.","PeriodicalId":9808,"journal":{"name":"Chemistry, Technology and Application of Substances","volume":"63 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80769891","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}
引用次数: 0
Research of the regularities of obtaining silver nanoparticles with applying of polyvinylpyrolidone and their effect on composite’s fungibactericidal properties 应用聚乙烯吡咯烷酮制备纳米银的规律及其对复合材料杀菌性能的影响
Chemistry, Technology and Application of Substances Pub Date : 2021-06-01 DOI: 10.23939/ctas2021.01.237
Н. D. Dudok, N. Semenyuk, T. Skorokhoda, Y. Melnyk, V. Shalata
{"title":"Research of the regularities of obtaining silver nanoparticles with applying of polyvinylpyrolidone and their effect on composite’s fungibactericidal properties","authors":"Н. D. Dudok, N. Semenyuk, T. Skorokhoda, Y. Melnyk, V. Shalata","doi":"10.23939/ctas2021.01.237","DOIUrl":"https://doi.org/10.23939/ctas2021.01.237","url":null,"abstract":"The influence of technological factors on the regularities of obtaining silver nanoparticles using polyvinylpyrrolidone as reducing agent has been researched and its influence in compositions content on antimicrobial properties of last ones have been defined. The impact of temperature and polyvinylpyrrolidone content as well as Ag+ concentration on the kinetics of the reduction reaction of silver ions was determined. Silver-containing composites in the form of porous blocks and films were synthesized and their bactericidal and fungicidal properties were studied. The possibility of practical application of composites in biomedical area in the processes of osteogenesis has been confirmed.","PeriodicalId":9808,"journal":{"name":"Chemistry, Technology and Application of Substances","volume":"77 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77280740","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}
引用次数: 0
Determination of qualitative characteristics of soybean and rapeseed oil by infrared spectroscopy 红外光谱法测定大豆油和菜籽油的质量特性
Chemistry, Technology and Application of Substances Pub Date : 2021-06-01 DOI: 10.23939/ctas2021.01.138
A. Hlukhaniuk, O. Ivashchuk, S. Khomyak, R. Chyzhovych, T. Kuzminchuk, Yevgen Semenyshyn
{"title":"Determination of qualitative characteristics of soybean and rapeseed oil by infrared spectroscopy","authors":"A. Hlukhaniuk, O. Ivashchuk, S. Khomyak, R. Chyzhovych, T. Kuzminchuk, Yevgen Semenyshyn","doi":"10.23939/ctas2021.01.138","DOIUrl":"https://doi.org/10.23939/ctas2021.01.138","url":null,"abstract":"The article presents results of the study of soybean and rapeseed vegetable oils’ qualitative composition dependence on the degree of raw materials grinding obtained by extraction in a stationary layer in a Soxhlet apparatus using methylene chloride as a solvent. A number of experiments were performed to determine the optical properties of oil by infrared spectroscopy. The absorption spectra for different oil samples are present in the article. The obtained results were compared with previous refractometric and UV-Vis spectroscopy studies.","PeriodicalId":9808,"journal":{"name":"Chemistry, Technology and Application of Substances","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81187189","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}
引用次数: 0
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