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Morphology of Reactor Composition of Ultrahigh Molecular Weight Polyethylene with High Density Polyethylene 超高分子量聚乙烯与高密度聚乙烯反应器组成的形态学
IF 1.6 4区 化学
Polymer Science, Series C Pub Date : 2024-08-13 DOI: 10.1134/S1811238224600174
E. E. Starchak, T. M. Ushakova, S. S. Gostev, I. A. Maklakova, D. N. Vtyurina, Yu. A. Gordienko, I. I. Arutyunov, L. A. Novokshonova
{"title":"Morphology of Reactor Composition of Ultrahigh Molecular Weight Polyethylene with High Density Polyethylene","authors":"E. E. Starchak,&nbsp;T. M. Ushakova,&nbsp;S. S. Gostev,&nbsp;I. A. Maklakova,&nbsp;D. N. Vtyurina,&nbsp;Yu. A. Gordienko,&nbsp;I. I. Arutyunov,&nbsp;L. A. Novokshonova","doi":"10.1134/S1811238224600174","DOIUrl":"10.1134/S1811238224600174","url":null,"abstract":"<p>Morphology of reactor polymer compositions based on ultrahigh molecular weight polyethylene (UHMWPE) with <i>M</i><sub>w</sub> = 1000 kg/mol and low molecular weight high density polyethylene (LMWPE) with <i>M</i><sub>w</sub> = 48 kg/mol obtained in single-stage ethylene polymerization in the presence of a binary catalytic system is studied. The content of the LMWPE fraction in the compositions ranged from 6.3 to 29 wt %. Melting and crystallization temperatures, the content of the crystal phase for these materials were determined using the DSC method. The data obtained indicated the probability of the formation of co-crystals between segments of macromolecules in UHMWPE/LMWPE compositions. A study of nascent UHMWPE/LMWPE by the WAXS analysis in wide angles was carried out to determine the effect of the content of the LMWPE fraction on the crystalline phase of the materials, the dimensions of the lamellae in the directions perpendicular to the planes 110 and 200. The study and comparison of the viscoelastic properties of UHMWPE, LMWPE and reactor compositions based on them by the DMA method revealed the modifying effect of the LMWPE fraction on the crystalline and amorphous phases of UHMWPE/LMWPE compositions.</p>","PeriodicalId":740,"journal":{"name":"Polymer Science, Series C","volume":"66 1","pages":"4 - 11"},"PeriodicalIF":1.6,"publicationDate":"2024-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142203775","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Polymer Wastes as New Resources in the Production of Building Materials 将聚合物废料作为生产建筑材料的新资源
IF 1.6 4区 化学
Polymer Science, Series C Pub Date : 2024-07-17 DOI: 10.1134/S1811238224600150
V. A. Shishkinskaya, O. A. Serenko
{"title":"Polymer Wastes as New Resources in the Production of Building Materials","authors":"V. A. Shishkinskaya,&nbsp;O. A. Serenko","doi":"10.1134/S1811238224600150","DOIUrl":"10.1134/S1811238224600150","url":null,"abstract":"<p>The review is devoted to the analysis of the areas of practical application of polymer waste in the composition of building materials, in particular, in polymer-filled concretes, polymer concretes, in road coatings, and in wood-polymer composites. The choice of these materials is due to the large tonnage of their production, demand, and long service life.</p>","PeriodicalId":740,"journal":{"name":"Polymer Science, Series C","volume":"66 1","pages":"110 - 119"},"PeriodicalIF":1.6,"publicationDate":"2024-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141639810","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Composite Materials Based on Polypropylene and Carbon Nanofillers Obtained by in Situ Polymerization 基于聚丙烯和碳纳米填料的原位聚合复合材料
IF 1.6 4区 化学
Polymer Science, Series C Pub Date : 2024-07-12 DOI: 10.1134/S1811238224600125
P. M. Nedorezova, A. N. Klyamkina, O. M. Palaznik, V. G. Shevchenko
{"title":"Composite Materials Based on Polypropylene and Carbon Nanofillers Obtained by in Situ Polymerization","authors":"P. M. Nedorezova,&nbsp;A. N. Klyamkina,&nbsp;O. M. Palaznik,&nbsp;V. G. Shevchenko","doi":"10.1134/S1811238224600125","DOIUrl":"10.1134/S1811238224600125","url":null,"abstract":"<p>A brief review of research initiated by works carried out earlier under the guidance of N.S. Enikolopov on the production of composite materials based on polypropylene and nanocarbon fillers by in situ polymerization is provided. The data on the mechanical, thermal, and electrical properties of the resulting materials are presented. The structure and concentration of nanofillers, as well as the structure of polypropylene (iso-, syndio-, and stereoblock), have a significant impact on the characteristics of the composites. The introduction of carbon nanofillers into the polypropylene matrix leads to a noticeable increase in the thermal and thermo-oxidative stability of the material. The prospects for using nanocomposites based on polypropylene and nanotubes and graphene nanoplatelets to develop shields and absorbers of electromagnetic radiation are considered. It has been shown that the modification of polypropylene properties by introducing various types of carbon nanofillers using in situ polymerization makes it possible to design novel functional composite materials with a valuable set of properties.</p>","PeriodicalId":740,"journal":{"name":"Polymer Science, Series C","volume":"66 1","pages":"12 - 29"},"PeriodicalIF":1.6,"publicationDate":"2024-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141610797","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mechanochemical Solid-Phase Dissolution of Cellulose and Synthetic Polymers in N-Methylmorpholine N-oxide and Its Use in Fiber Spinning 纤维素和合成聚合物在 N-甲基吗啉 N-氧化物中的机械化学固相溶解及其在纤维纺丝中的应用
IF 1.6 4区 化学
Polymer Science, Series C Pub Date : 2024-07-12 DOI: 10.1134/S1811238224600113
L. K. Golova, G. N. Bondarenko, I. S. Makarov, K. V. Zuev, V. G. Kulichikhin
{"title":"Mechanochemical Solid-Phase Dissolution of Cellulose and Synthetic Polymers in N-Methylmorpholine N-oxide and Its Use in Fiber Spinning","authors":"L. K. Golova,&nbsp;G. N. Bondarenko,&nbsp;I. S. Makarov,&nbsp;K. V. Zuev,&nbsp;V. G. Kulichikhin","doi":"10.1134/S1811238224600113","DOIUrl":"10.1134/S1811238224600113","url":null,"abstract":"<p>Academician N.S. Enikolopov’s method of mechanochemical solid-phase modification of polymers under conditions of intensive shear deformation has resolved one of the most important issues in cellulose processing, its dissolution. The resulting method of solid-phase dissolution in <i>N</i>-methylmorpholine <i>N</i>рoxide (MMO) has afforded highly concentrated solutions of cellulose and a series of synthetic polymers, as well as mixed solutions based on them in a wide range of concentrations. It has been shown for the first time that the highly concentrated phase (cellulose concentration up to 45%) formed during phase separation in the presence of a precipitant undergoes a transition into nonequilibrium columnar mesophase state. The addition of synthetic polymers, which form crystal solvates with MMO but do not interact with cellulose, to solutions of cellulose in MMO shifts the columnar mesophase formation process into equilibrium. The resulting composite fibers have exhibited high strength and deformation properties. The mechanisms of interaction of various types of polymers with MMO, as well as these between cellulose and the polymers with MMO, at different stages of the mixed compositions preparation (from solid-phase mechanical activation during shear deformation to the transition into a fluid state and spinning) have been elucidated. The performed experiments have made it possible to identify the directions for targeted tuning of cellulose structure and properties, as well as the fabrication of compositions based on it.</p>","PeriodicalId":740,"journal":{"name":"Polymer Science, Series C","volume":"66 1","pages":"88 - 109"},"PeriodicalIF":1.6,"publicationDate":"2024-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141610661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Luminescent Properties of Photocured Acrylic Polymer Matrices Containing an Organic Fluorescent Dyad 含有有机荧光染料的光固化丙烯酸聚合物基质的发光特性
IF 1.6 4区 化学
Polymer Science, Series C Pub Date : 2024-07-03 DOI: 10.1134/S1811238224600071
I. A. Matveeva, V. T. Shashkova, A. V. Lyubimov, G. V. Lyubimova, L. S. Kol’tsova, A. I. Shienok, N. L. Zaichenko
{"title":"Luminescent Properties of Photocured Acrylic Polymer Matrices Containing an Organic Fluorescent Dyad","authors":"I. A. Matveeva,&nbsp;V. T. Shashkova,&nbsp;A. V. Lyubimov,&nbsp;G. V. Lyubimova,&nbsp;L. S. Kol’tsova,&nbsp;A. I. Shienok,&nbsp;N. L. Zaichenko","doi":"10.1134/S1811238224600071","DOIUrl":"10.1134/S1811238224600071","url":null,"abstract":"<p>The luminescent properties of an organic dyad that combines two different luminophores, hydroxy-substituted 2,4,5-triarylimidazole and 8-azomethine-7-hydroxycoumarin, in its molecule have been studied in seventeen polymer matrices obtained by photocuring, which are represented by linear poly(meth)acrylates differing in the amount of hydroxyl groups and acrylic network polymers differing in the nature of crosslinking oligomeric blocks. The dependence of the luminescent properties of materials on the wavelength of excitation light, as well as on the presence and amount of hydroxyl groups in polymers; the presence of urethane groups, ether bonds, and aromatic moieties (individually or in combination); and flexibility and conditional polarity of the matrix, has been established.</p>","PeriodicalId":740,"journal":{"name":"Polymer Science, Series C","volume":"66 1","pages":"120 - 130"},"PeriodicalIF":1.6,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141514470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Composites of Polylactide with Carbon Nanofillers: Synthesis, Structure, Properties 聚乳酸与碳纳米填料的复合材料：合成、结构、性能
IF 1.6 4区 化学
Polymer Science, Series C Pub Date : 2024-07-03 DOI: 10.1134/S1811238224600095
S. Z. Rogovina, O. P. Kuznetsova, M. M. Gasymov, S. M. Lomakin, V. G. Shevchenko, A. A. Berlin
{"title":"Composites of Polylactide with Carbon Nanofillers: Synthesis, Structure, Properties","authors":"S. Z. Rogovina,&nbsp;O. P. Kuznetsova,&nbsp;M. M. Gasymov,&nbsp;S. M. Lomakin,&nbsp;V. G. Shevchenko,&nbsp;A. A. Berlin","doi":"10.1134/S1811238224600095","DOIUrl":"10.1134/S1811238224600095","url":null,"abstract":"<p>The current state of research on composites containing graphene derivatives as nanofillers is considered. The results of works carried out at the Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences on the synthesis of filled composites based on polylactide and carbon nanofillers, reduced graphene oxide and graphite nanoplates, by two independent methods, ecofriendly solid-phase mixing of components under shear deformations and liquid-phase synthesis, are summarized. A comparative study of the mechanical, thermal, and electrical properties of the composites is performed depending on the production method and the nature of the used nanofillers, and their influence on the structure and complex of properties of the resulting composite materials is established.</p>","PeriodicalId":740,"journal":{"name":"Polymer Science, Series C","volume":"66 1","pages":"68 - 80"},"PeriodicalIF":1.6,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141514469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Preparation and Study of Solid Dispersions of Acyclovir with Starch and Carboxymethylcellulose 阿昔洛韦与淀粉和羧甲基纤维素固体分散体的制备与研究
IF 1.6 4区 化学
Polymer Science, Series C Pub Date : 2024-07-03 DOI: 10.1134/S1811238224600101
T. V. Kryuk, T. N. Popyrina, N. A. Romanenko, P. L. Ivanov, N. B. Svishcheva, T. A. Akopova, M. A. Khavpachev
{"title":"Preparation and Study of Solid Dispersions of Acyclovir with Starch and Carboxymethylcellulose","authors":"T. V. Kryuk,&nbsp;T. N. Popyrina,&nbsp;N. A. Romanenko,&nbsp;P. L. Ivanov,&nbsp;N. B. Svishcheva,&nbsp;T. A. Akopova,&nbsp;M. A. Khavpachev","doi":"10.1134/S1811238224600101","DOIUrl":"10.1134/S1811238224600101","url":null,"abstract":"<p>Solid dispersions based on acyclovir and polysaccharides (starch and sodium carboxymethylcellulose) have been prepared by means of mechanochemistry. Mechanical co-processing of the drug and the polymers in a ball mill, an extruder, and a pulse mechanical action cell has led to amorphization of acyclovir, followed by its uniform distribution in the polymer matrix. A set of the IR and UV spectroscopy, DSC, and X-ray diffraction analysis data has revealed the presence of intermolecular interactions between the polysaccharide matrix and the drug. The obtained materials can be considered as potential system for further investigation as solid formulations of acyclovir with improved bioavailability.</p>","PeriodicalId":740,"journal":{"name":"Polymer Science, Series C","volume":"66 1","pages":"39 - 45"},"PeriodicalIF":1.6,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141514471","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Formation of Nanofibers Based on Polyacrylonitrile with Graphite and Their Structural Characteristics 基于石墨的聚丙烯腈纳米纤维的形成及其结构特征
IF 1.6 4区 化学
Polymer Science, Series C Pub Date : 2024-05-31 DOI: 10.1134/S1811238224600022
A. A. Atakhanov, N. Sh. Ashurov, Zh. Turaev, M. Abdurazakov, N. R. Ashurov, S. Sh. Rashidova, A. A. Berlin
{"title":"Formation of Nanofibers Based on Polyacrylonitrile with Graphite and Their Structural Characteristics","authors":"A. A. Atakhanov,&nbsp;N. Sh. Ashurov,&nbsp;Zh. Turaev,&nbsp;M. Abdurazakov,&nbsp;N. R. Ashurov,&nbsp;S. Sh. Rashidova,&nbsp;A. A. Berlin","doi":"10.1134/S1811238224600022","DOIUrl":"10.1134/S1811238224600022","url":null,"abstract":"<p>Nanofibers based on polyacrylonitrile with graphite have been obtained using the electrospinning technique. The structure, as well as thermal and electrical properties, of nanofibers has been studied. The influence of the rheological characteristics of solutions and the conditions of the electrospinning process on the structure of nanofibers is shown. Changes in the supramolecular structure characteristics of nanofibers during electrospinning have been revealed.</p>","PeriodicalId":740,"journal":{"name":"Polymer Science, Series C","volume":"66 1","pages":"81 - 87"},"PeriodicalIF":1.6,"publicationDate":"2024-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141197206","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
To the 100th Anniversary of Birth of the Doctor of Chemical Sciences, Professor, Merited Scientist of the Russian Federation, Laureate of the State Prize of the USSR Alexander Alexandrovich Zhdanov (1923‒2002) 纪念化学博士、教授、俄罗斯联邦功勋科学家、苏联国家奖获得者亚历山大-亚历山德罗维奇-日丹诺夫（1923-2002）诞辰 100 周年
IF 1.6 4区 化学
Polymer Science, Series C Pub Date : 2023-12-21 DOI: 10.1134/S1811238223700431
A. M. Muzafarov, S. A. Ponomarenko
{"title":"To the 100th Anniversary of Birth of the Doctor of Chemical Sciences, Professor, Merited Scientist of the Russian Federation, Laureate of the State Prize of the USSR Alexander Alexandrovich Zhdanov (1923‒2002)","authors":"A. M. Muzafarov,&nbsp;S. A. Ponomarenko","doi":"10.1134/S1811238223700431","DOIUrl":"10.1134/S1811238223700431","url":null,"abstract":"","PeriodicalId":740,"journal":{"name":"Polymer Science, Series C","volume":"65 2","pages":"143 - 145"},"PeriodicalIF":1.6,"publicationDate":"2023-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138952882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Silicone Resin Applications for Heat-Resistant Coatings: A Review 硅树脂在耐热涂层中的应用：综述
IF 1.6 4区 化学
Polymer Science, Series C Pub Date : 2023-12-21 DOI: 10.1134/S1811238223700443
Hanqi Qian,  Bo Jiang
{"title":"Silicone Resin Applications for Heat-Resistant Coatings: A Review","authors":"Hanqi Qian,&nbsp; Bo Jiang","doi":"10.1134/S1811238223700443","DOIUrl":"10.1134/S1811238223700443","url":null,"abstract":"<p>Silicone resins, which exhibits excellent heat-resistance, chemical stability and adhesion, are indispensable components in high temperature resistance coatings. Herein, we summarize a comprehensive survey of developments on heat-resistant silicone-based coatings. The influence of heat-resistant of modifying silicone resin chain segment, such as main chain modification and side main modification are discussed. Then, the physical and chemical properties of inorganic fillers combined with silicone resins are summarized for the aim of ceramization and further improving the degree of heat-resistant. Finally, the challenges and future opportunities of heat resistance coatings based on silicone resins are considered.</p>","PeriodicalId":740,"journal":{"name":"Polymer Science, Series C","volume":"65 2","pages":"206 - 219"},"PeriodicalIF":1.6,"publicationDate":"2023-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138953399","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","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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