Polymer Science, Series A最新文献_第8页

Complexes Based on Polyvinyl Alcohol and a Copolymer of Sodium Salts of Styrenesulfonic and Maleic Acids 基于聚乙烯醇和苯乙烯磺酸钠与马来酸共聚物的络合物

IF 1 4区化学

Polymer Science, Series A Pub Date : 2024-03-25 DOI: 10.1134/S0965545X23600588

E. A. Litmanovich, O. A. Pyshkina, D. E. Ochenkov, S. A. Pantsernaya, R. V. Grossman, V. E. Savchenkova, M. V. Zhilkin, V. G. Sergeyev

引用次数: 0

Change in the Morphology and Properties of Poly(vinyl alcohol) Cryogels Depending on the Annealing Temperature 退火温度对聚（乙烯醇）冷凝胶形态和性质的影响

IF 1 4区化学

Polymer Science, Series A Pub Date : 2024-03-25 DOI: 10.1134/S0965545X24600170

E. A. Podorozhko, V. G. Vasil’ev, M. I. Buzin, E. K. Golubev, M. A. Shcherbina

引用次数: 0

Polyacrylic Acid: A Biocompatible and Biodegradable Polymer for Controlled Drug Delivery 聚丙烯酸：用于可控给药的生物相容性和可生物降解聚合物

IF 1 4区化学

Polymer Science, Series A Pub Date : 2024-03-25 DOI: 10.1134/S0965545X2460011X

Hossein Eslami, Mojtaba Ansari, Ahmad Darvishi, Hossein Rayat Pisheh, Mahdieh Shami, Faezeh Kazemi

{"title":"Polyacrylic Acid: A Biocompatible and Biodegradable Polymer for Controlled Drug Delivery","authors":"Hossein Eslami, Mojtaba Ansari, Ahmad Darvishi, Hossein Rayat Pisheh, Mahdieh Shami, Faezeh Kazemi","doi":"10.1134/S0965545X2460011X","DOIUrl":"10.1134/S0965545X2460011X","url":null,"abstract":"Polyacrylic acid is a biocompatible and biodegradable polymer that has been widely investigated for use in drug delivery. It has a number of properties that make polyacrylic acid a promising material for various applications, including ability to form hydrogels, mucoadhesive properties, and stimuli-responsive behavior. Polyacrylic acid hydrogels can be used to deliver drugs to a variety of tissues and organs. They can be prepared in a variety of forms, including injectable gels, films, and tablets. These hydrogels can be loaded with a variety of drugs, including proteins, peptides, and small molecules. The mucoadhesive properties of polyacrylic acid make it a good choice for delivering drugs to the eye, nose, and skin. Polyacrylic acid can adhere to these mucosal surfaces, which can help to prolong the drug’s release and improve its bioavailability. The stimuli-responsive behavior of polyacrylic acid can be used to develop drug delivery systems that release drugs in response to specific stimuli, such as changes in pH, temperature, or ionic strength. This can be used to control the release of drugs in a way that is tailored to the specific needs of the patient. The research on the use of polyacrylic acid in drug delivery is ongoing. As our understanding of its properties and behavior improves, we can expect to see even more innovative and effective drug delivery systems developed in the future.","PeriodicalId":738,"journal":{"name":"Polymer Science, Series A","volume":"65 6","pages":"702 - 713"},"PeriodicalIF":1.0,"publicationDate":"2024-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140299577","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

Perpendicular Domain Orientation of Poly(styrene-block-methylmethacrylate (PS-b-PMMA) Thin Films Produced on Zinc Oxide Nanoparticle Layer 氧化锌纳米粒子层上生成的聚苯乙烯-嵌段-甲基丙烯酸甲酯（PS-b-PMMA）薄膜的垂直畴取向

IF 1 4区化学

Polymer Science, Series A Pub Date : 2024-02-21 DOI: 10.1134/S0965545X23600291

A. Talla, Z. N. Urgessa, J. R. Botha

引用次数: 0

Thermo- and pH-Sensitive Copolymers of N-(3-(Diethylamino)Propyl)-N-methylacrylamide and N,N-Dipropylacrylamide 对热和 pH 值敏感的 N-(3-(二乙基氨基)丙基)-N-甲基丙烯酰胺和 N,N-二丙基丙烯酰胺共聚物

IF 1 4区化学

Polymer Science, Series A Pub Date : 2024-02-21 DOI: 10.1134/S0965545X24600042

N. V. Zakharova, E. N. Danilovtseva, S. N. Zelinskii, V. V. Annenkov

{"title":"Thermo- and pH-Sensitive Copolymers of N-(3-(Diethylamino)Propyl)-N-methylacrylamide and N,N-Dipropylacrylamide","authors":"N. V. Zakharova, E. N. Danilovtseva, S. N. Zelinskii, V. V. Annenkov","doi":"10.1134/S0965545X24600042","DOIUrl":"10.1134/S0965545X24600042","url":null,"abstract":"Buffer solutions of random (co)polymers of N-(3-(diethylamino)propyl)-N-methylacrylamide and N,N-dipropylacrylamide, which contain from 0 to 95 mol % of N-(3-(diethylamino)propyl)-N-methyl-acrylamide units and have close molecular weights and the same degrees of polymerization (170 ± 10) are studied by the methods of potentiometric titration, light scattering, turbidimetry, refractometry, and viscometry. The samples are synthesized by the interaction of poly(acryloyl chloride) with N,N-diethyl-N ′-methyl-1,3-propanediamine and dipropylamine. The aqueous solutions are investigated in the concentration range from 0.0001 to 0.0350 g/cm3 and in pH range from 7.0 to 13.0. Temperature dependences of optical transmission I*, scattered light intensity I, and hydrodynamic sizes of scattering objects are obtained. Phase separation temperatures are determined. The results obtained are comparable with the data available for the previously studied copolymers but containing N-(3-(diethylamino)propyl)-N-methylacrylamide and N,N–diethyl-acrylamide units. It is shown that the structural phase transition and the characteristics of aqueous solutions for the compared copolymers depend on the structure of the (co)polymers and their composition.","PeriodicalId":738,"journal":{"name":"Polymer Science, Series A","volume":"65 6","pages":"637 - 644"},"PeriodicalIF":1.0,"publicationDate":"2024-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139928400","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

Evaluation of Environment Exposure Potential of Atrazine Herbicide and Synthesis of Polymeric Controlled Release Pesticide Formulations 评估阿特拉津除草剂的环境暴露潜力及合成聚合物控释农药制剂

IF 1 4区化学

Polymer Science, Series A Pub Date : 2024-02-21 DOI: 10.1134/S0965545X24600054

Atul Gupta, Abhishek Dhiman

{"title":"Evaluation of Environment Exposure Potential of Atrazine Herbicide and Synthesis of Polymeric Controlled Release Pesticide Formulations","authors":"Atul Gupta,  Abhishek Dhiman","doi":"10.1134/S0965545X24600054","DOIUrl":"10.1134/S0965545X24600054","url":null,"abstract":"A thorough understanding of pesticide fate in soil and replacement of traditional pesticide formulations with polymeric controlled release pesticide formulations may provide a preventive approach for safer and more effective application of pesticides in the field. In this direction, the present study discusses the soil adsorption study of atrazine herbicide on Indian soil and synthesis of polymeric controlled release formulation based on Azadirachta indica (Neem) (AI) leaf powder and sodium alginate. The value of Ground Ubiquity Score (GUS) for atrazine herbicide has been observed 2.58 which classifies it as a transition pesticide in terms of ground water contamination with higher Environment Exposure Potential (EEP) in Indian soil. Polymeric controlled release pesticide formulations (CRPFs) were synthesized by ionotropic gelation method with three different crosslinking ions i.e. Ca2+, Ba2+, and Al3+. These CRPFs have been characterized by FTIR, SEM-EDAX and TGA. Polymeric CRPFs released the herbicide in controlled manner for a period of 300 h and followed non-Fickian diffusion mechanism. AI-Alginate-Ca beads showed maximum cumulative release 14.99 mg/g in 300 h, followed by BaCl2 and AlCl3 crosslinked beads. The release study showed that the Polymeric CRPFs can be effective in controlling the release and adverse effects of atrazine in the environment.","PeriodicalId":738,"journal":{"name":"Polymer Science, Series A","volume":"65 6","pages":"744 - 754"},"PeriodicalIF":1.0,"publicationDate":"2024-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139919035","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

Hydrodynamic and Conformational Behavior of N-Vinylformamide–Sodium 4-Styrenesulfonate Copolymers in Aqueous Solutions 水溶液中 N-乙烯基甲酰胺-4-苯乙烯磺酸钠共聚物的流体力学和构象行为

IF 1 4区化学

Polymer Science, Series A Pub Date : 2024-02-11 DOI: 10.1134/S0965545X23600643

O. A. Dommes, O. V. Okatova, I. I. Gavrilova, E. F. Panarin, G. M. Pavlov

引用次数: 0

Influence of Distribution Anisotropy and Particle Shape on Magnetorheological Properties of Magnetoactive Elastomers 分布各向异性和颗粒形状对磁性弹性体磁流变特性的影响

IF 1 4区化学

Polymer Science, Series A Pub Date : 2024-02-11 DOI: 10.1134/S0965545X23600655

S. A. Kostrov, V. S. Razakov, G. V. Stepanov, E. A. Olenich, V. V. Gorodov, E. Yu. Kramarenko

{"title":"Influence of Distribution Anisotropy and Particle Shape on Magnetorheological Properties of Magnetoactive Elastomers","authors":"S. A. Kostrov, V. S. Razakov, G. V. Stepanov, E. A. Olenich, V. V. Gorodov, E. Yu. Kramarenko","doi":"10.1134/S0965545X23600655","DOIUrl":"10.1134/S0965545X23600655","url":null,"abstract":"Viscoelastic properties of magnetoactive elastomers with spherical and plate-shaped filler have been studied. Four series of samples based on silicone elastomer and carbonyl iron microparticles have been prepared. A series of samples with a concentration of magnetic filler from 30 to 60 wt % which differed in the shape of filler particles (spherical and platelike) and in their distribution in the polymer matrix (isotropic and anisotropic). The magnetorheological properties of the obtained magnetoactive elastomers have been examined by dynamic mechanical analysis. Storage modulus values for samples of different compositions are in the range of 10–100 kPa. It has been shown that anisotropic materials are stiffer than the isotropic counterparts and demonstrate a higher magnetorheological effect: the increase in the elastic modulus of an anisotropic sample with the maximum filler content exceeds an order of magnitude in a magnetic field of 1 T. At the same filler concentrations, materials based on platelike iron are stiffer than those based on spherical iron. At low magnetic filler concentrations, the use of platelike iron makes it possible to achieve a higher magnetic response of the material; at high filler concentrations, the increase in the elastic modulus is greater for samples based on spherical particles. The anisotropic materials exhibit a more pronounced Payne effect.","PeriodicalId":738,"journal":{"name":"Polymer Science, Series A","volume":"65 6","pages":"822 - 830"},"PeriodicalIF":1.0,"publicationDate":"2024-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139758519","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

Adsorption Ability of Nitrogen-Containing Polymer Sorbents Based on Urea-Formaldehyde Resin and Aminoacetic Acid Towards Heavy Metal Ions 基于脲醛树脂和氨基乙酸的含氮聚合物吸附剂对重金属离子的吸附能力

IF 1 4区化学

Polymer Science, Series A Pub Date : 2024-02-11 DOI: 10.1134/S0965545X23600679

N. A. Ermuratova, Kh. Kh. Turaev, K. N. Kornilov, M. Zh. Abduvalieva, N. B. Chorieva

{"title":"Adsorption Ability of Nitrogen-Containing Polymer Sorbents Based on Urea-Formaldehyde Resin and Aminoacetic Acid Towards Heavy Metal Ions","authors":"N. A. Ermuratova, Kh. Kh. Turaev, K. N. Kornilov, M. Zh. Abduvalieva, N. B. Chorieva","doi":"10.1134/S0965545X23600679","DOIUrl":"10.1134/S0965545X23600679","url":null,"abstract":"New modifications of a polyampholyte sorbent based on carbamide (urea), formaldehyde, and aminoacetic acid, differing in the reagents ratio during the synthesis, have been prepared. It has been shown that the optimal synthesis temperature is 90°C. Thermal stability of the polyampholyte has been analyzed. Sorption properties of the polyampholyte towards d-element ions have been investigated. The effect of the synthesis temperature on specific volume and static exchange capacity of the polyampholyte has been considered. The influence of the medium pH on sorption of copper(II) ions with the polyampholyte has been evaluated. It has been found that the sorption degree by the considered sorbents is the highest at pH from 5.5 to 6.5. The polyampholyte prepared at the urea, formaldehyde, and aminoacetic acid ratio 2 : 5 : 0.7 has revealed the highest sorption capacity towards the d-element ions. The sorption rate has been maximum at the solution temperature of 20°C. The adsorption has been shown to follow the Freundlich equation.","PeriodicalId":738,"journal":{"name":"Polymer Science, Series A","volume":"65 6","pages":"666 - 671"},"PeriodicalIF":1.0,"publicationDate":"2024-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139758515","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

Heat Resistance of Adhesive Joints of Heterocyclic Aramid Fibers under Static Load 杂环芳纶纤维粘合接头在静载荷下的耐热性能

IF 1 4区化学

Polymer Science, Series A Pub Date : 2024-02-11 DOI: 10.1134/S0965545X23600667

S. V. Kotomin, Ya. V. Golubev, A. A. Gurov, I. M. Obidin

引用次数: 0