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A Method for Increasing the Fire Resistance of Solid Wood 一种提高实木耐火性能的方法
IF 0.58
Polymer Science, Series D Pub Date : 2026-05-22 DOI: 10.1134/S1995421225700893
G. S. Varankina, N. G. Kolesov, S. V. Anosov, D. S. Rusakov, Ar. A. Fedyaev
{"title":"A Method for Increasing the Fire Resistance of Solid Wood","authors":"G. S. Varankina,&nbsp;N. G. Kolesov,&nbsp;S. V. Anosov,&nbsp;D. S. Rusakov,&nbsp;Ar. A. Fedyaev","doi":"10.1134/S1995421225700893","DOIUrl":"10.1134/S1995421225700893","url":null,"abstract":"<p>Due to modification, there is a significant improvement in the mechanical and operational properties of wood, which significantly increases the scope of application of this structural material in construction. The paper presents a method for increasing the fire resistance of solid wood by its thermochemical modification with a water-based fire retardant, consisting of oxyethylidene diphosphonic acid and monoethanolamine. The advantages of the proposed method are the simplicity of its implementation under production conditions and the achievement of complete impregnation of solid wood. In turn, the proposed protective composition is environmentally friendly and belongs to the foam-forming type of fire retardants, the principle of which consists in the splitting off of gaseous substances with the subsequent formation of a fire-protective layer that prevents the effects of open fire and thermal radiation on the upper layers of wood, while maintaining its strength characteristics. Gluing fire-retarded wood with phenol–formaldehyde resin of the cold-curing brand SFZh-093 ensures the formation of strong adhesive joints, leads to an increase in mechanical properties of the material, as well as its resistance to water and other aggressive environments. The triethanolamine (tris(2-hydroxyethyl)amine) salt can be adsorbed on the surface of the resin, creating a protective layer that reduces the penetration of moisture and other substances into the material, thereby increasing the durability and stability of the adhesive compounds.</p>","PeriodicalId":741,"journal":{"name":"Polymer Science, Series D","volume":"18 4","pages":"779 - 784"},"PeriodicalIF":0.58,"publicationDate":"2026-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147985161","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
Prospects for the Application of Chopped Fiber-Based Polymer Coatings for Protecting Elements of Ground-Based Transport and Technological Vehicles (Review) 短切纤维基聚合物涂层在陆基交通工具防护元件中的应用前景（综述）
IF 0.58
Polymer Science, Series D Pub Date : 2026-05-22 DOI: 10.1134/S1995421226700036
A. M. Arakelyan, E. A. Dessert, N. I. Baurova
{"title":"Prospects for the Application of Chopped Fiber-Based Polymer Coatings for Protecting Elements of Ground-Based Transport and Technological Vehicles (Review)","authors":"A. M. Arakelyan,&nbsp;E. A. Dessert,&nbsp;N. I. Baurova","doi":"10.1134/S1995421226700036","DOIUrl":"10.1134/S1995421226700036","url":null,"abstract":"<p>The paper discusses the prospects for using a protective coating based on polymer composite materials (PCM) containing chopped fiber as a filler. It has been shown that these coatings can increase the durability of body components of ground transportation and technological vehicles, which are exposed to various physical and chemical factors during operation, including under harsh conditions. The advantages of a protective coating based on polymer composites incorporating chopped fiber are analyzed compared to existing protection methods.</p>","PeriodicalId":741,"journal":{"name":"Polymer Science, Series D","volume":"18 4","pages":"948 - 951"},"PeriodicalIF":0.58,"publicationDate":"2026-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147985263","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
Epoxy-Polyetherimide Polymers: Structure and Viscoelastic Properties 环氧聚醚酰亚胺聚合物：结构和粘弹性
IF 0.58
Polymer Science, Series D Pub Date : 2026-05-22 DOI: 10.1134/S1995421225700947
S. V. Polunin, I. Yu. Gorbunova, K. A. Atamas, A. A. Abduvakhidova, V. Kh. Aleshina
{"title":"Epoxy-Polyetherimide Polymers: Structure and Viscoelastic Properties","authors":"S. V. Polunin,&nbsp;I. Yu. Gorbunova,&nbsp;K. A. Atamas,&nbsp;A. A. Abduvakhidova,&nbsp;V. Kh. Aleshina","doi":"10.1134/S1995421225700947","DOIUrl":"10.1134/S1995421225700947","url":null,"abstract":"<p>The viscoelastic properties of epoxy polymers modified with polyetherimide are studied in this work with a dynamic mechanical analysis. It was found that the introduction of a modifier into epoxy oligomer in an amount of 5–15 parts by weight increases the glass transition temperature and cross-linking density of the polymers. The structure of the modified systems is studied with a scanning electron microscopy. It was found that an increase in an amount of polyetherimide in the epoxy binder leads to an increase in number and size of dispersed particles enriched with thermoplastic.</p>","PeriodicalId":741,"journal":{"name":"Polymer Science, Series D","volume":"18 4","pages":"820 - 823"},"PeriodicalIF":0.58,"publicationDate":"2026-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147985273","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
Investigation of the Structure and Properties of Polypropylene Filaments 聚丙烯长丝的结构与性能研究
IF 0.58
Polymer Science, Series D Pub Date : 2026-05-22 DOI: 10.1134/S1995421225700777
F. F. Guseinova, L. Y. Zakirova, N. N. Shishkina
{"title":"Investigation of the Structure and Properties of Polypropylene Filaments","authors":"F. F. Guseinova,&nbsp;L. Y. Zakirova,&nbsp;N. N. Shishkina","doi":"10.1134/S1995421225700777","DOIUrl":"10.1134/S1995421225700777","url":null,"abstract":"<p>The structural characteristics (degree of crystallinity) and physical and mechanical properties of filaments from samples of isotactic polypropylene BALEN 01270 and industrially produced filament Prolene were studied. It was shown that the experimental material based on polypropylene BALEN 01270 corresponds in its characteristics to filaments of the Prolene brand from Ethicon.</p>","PeriodicalId":741,"journal":{"name":"Polymer Science, Series D","volume":"18 4","pages":"709 - 712"},"PeriodicalIF":0.58,"publicationDate":"2026-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147985322","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
Selection of Temperature–Time Parameters for Additive FDM Printing of Products from Low-Modulus Filaments Based on Thermoplastic Elastomers 基于热塑性弹性体的低模量长丝增材FDM打印产品温度-时间参数选择
IF 0.58
Polymer Science, Series D Pub Date : 2026-05-22 DOI: 10.1134/S1995421225701096
A. N. Ivanova, A. A. Pykhtin, A. A. Yurkin
{"title":"Selection of Temperature–Time Parameters for Additive FDM Printing of Products from Low-Modulus Filaments Based on Thermoplastic Elastomers","authors":"A. N. Ivanova,&nbsp;A. A. Pykhtin,&nbsp;A. A. Yurkin","doi":"10.1134/S1995421225701096","DOIUrl":"10.1134/S1995421225701096","url":null,"abstract":"<p>This work is devoted to the study of problems arising during additive fused deposition modeling (FDM) printing with low-modulus filaments based on thermoplastic elastomers. A number of experimental methods are proposed for determining the optimal temperature–time parameters of three-dimensional printing using rheological and physicomechanical tests of materials. Optimal parameters of additive FDM printing of thermoplastic elastomer-based products and filaments have been established. It has been experimentally shown that the recommendations for 3D-printing temperature provided by manufacturers of thermoplastic-elastomer filaments are not always optimal, and a series of test studies must be conducted to determine the temperature–time parameters that ensure the best quality of products.</p>","PeriodicalId":741,"journal":{"name":"Polymer Science, Series D","volume":"18 4","pages":"909 - 914"},"PeriodicalIF":0.58,"publicationDate":"2026-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147985325","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
Study of the Kinetics of the Process of Spreading Oligomeric Binders over the Surface of a Lunar Soil Analogue 低聚粘合剂在月球土壤类似物表面扩散过程的动力学研究
IF 0.58
Polymer Science, Series D Pub Date : 2026-05-22 DOI: 10.1134/S1995421225700820
T. Ch. Pkhon, M. V. Khudorozhko, G. V. Malysheva
{"title":"Study of the Kinetics of the Process of Spreading Oligomeric Binders over the Surface of a Lunar Soil Analogue","authors":"T. Ch. Pkhon,&nbsp;M. V. Khudorozhko,&nbsp;G. V. Malysheva","doi":"10.1134/S1995421225700820","DOIUrl":"10.1134/S1995421225700820","url":null,"abstract":"<p>The paper presents the results of calculating the equilibrium contact angles of wetting of oligomeric binders of different viscosity on the surface of an analogue of lunar soil. All calculations were performed using the COMSOL Multiphysics program. All calculations were performed separately for the following fractions: SiO<sub>2</sub>, CaO, and Al<sub>2</sub>O<sub>3</sub>. As a result of the calculations, it was found that with an increase in the viscosity of the binder from 1 to 2 Pa s, the values of the contact angles of wetting increase: for SiO<sub>2</sub> particles, by 6.9%, and for CaO and Al<sub>2</sub>O<sub>3</sub> particles, by 7.3 and 10%, respectively. VI-7 was used as an analogue of the lunar soil, for which its fractional composition and bulk density were determined.</p>","PeriodicalId":741,"journal":{"name":"Polymer Science, Series D","volume":"18 4","pages":"740 - 744"},"PeriodicalIF":0.58,"publicationDate":"2026-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147985159","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
Ethylcellulose Composites with a Fertilizer Effect and Water-Retention Properties 具有肥效和保水性的乙基纤维素复合材料
IF 0.58
Polymer Science, Series D Pub Date : 2026-05-22 DOI: 10.1134/S1995421225700959
P. S. Zakharov, A. E. Shkuro, V. V. Glukhikh, V. E. Tsvetkov
{"title":"Ethylcellulose Composites with a Fertilizer Effect and Water-Retention Properties","authors":"P. S. Zakharov,&nbsp;A. E. Shkuro,&nbsp;V. V. Glukhikh,&nbsp;V. E. Tsvetkov","doi":"10.1134/S1995421225700959","DOIUrl":"10.1134/S1995421225700959","url":null,"abstract":"<p>A number of composite samples that contained ethylcellulose, wood flour, NPK fertilizer, and sodium polyacrylate were obtained. The aim of this work was to develop a material to create a biodegradable container that could provide fertilizer and retain water. Key physical and mechanical properties, the rate of sample decomposition during exposure to soil for 60 days, and the effectiveness of the NPK fertilizer included in the samples were assessed. The influence of the amount of material components on properties was studied.</p>","PeriodicalId":741,"journal":{"name":"Polymer Science, Series D","volume":"18 4","pages":"824 - 832"},"PeriodicalIF":0.58,"publicationDate":"2026-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147985168","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
A Technology for Manufacturing Three-Layer Honeycomb Structures Based on VKU-59 Carbon-Fiber-Reinforced Plastic and VPS-68 Fiberglass and Thick-Walled Structures Based on VKU-59 Carbon Fiber 基于VKU-59碳纤维增强塑料和VPS-68玻璃纤维的三层蜂窝结构制造技术及基于VKU-59碳纤维的厚壁结构
IF 0.58
Polymer Science, Series D Pub Date : 2026-05-22 DOI: 10.1134/S1995421225700911
A. I. Starkov, K. E. Kutsevich, A. Yu. Isaev, N. F. Lukina, A. A. Barannikov
{"title":"A Technology for Manufacturing Three-Layer Honeycomb Structures Based on VKU-59 Carbon-Fiber-Reinforced Plastic and VPS-68 Fiberglass and Thick-Walled Structures Based on VKU-59 Carbon Fiber","authors":"A. I. Starkov,&nbsp;K. E. Kutsevich,&nbsp;A. Yu. Isaev,&nbsp;N. F. Lukina,&nbsp;A. A. Barannikov","doi":"10.1134/S1995421225700911","DOIUrl":"10.1134/S1995421225700911","url":null,"abstract":"<p>The paper presents the results of studies on the development of manufacturing technologies by vacuum-autoclave molding of thick-walled and three-layer honeycomb structures made of VKU-59 carbon-fiber-reinforced plastic and VPS-68 fiberglass from KMKU-6.80.UV.45 (65) and KMKS-6.80.T60(VMP).37 (55) adhesive prepregs, respectively. Three-layer structures have been studied in terms of the parameters of destructive load under three- and four-point bending, compressive strength, and peeling force of the skin from the honeycomb core. Thick-walled structures have been studied using thermogravimetric analysis and physicomechanical tensile tests.</p>","PeriodicalId":741,"journal":{"name":"Polymer Science, Series D","volume":"18 4","pages":"797 - 806"},"PeriodicalIF":0.58,"publicationDate":"2026-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147985272","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
Phenol–Formaldehyde Based Composites Containing Coal as a Filler 以煤为填料的酚醛基复合材料
IF 0.58
Polymer Science, Series D Pub Date : 2026-05-22 DOI: 10.1134/S1995421225700741
M. J. Ibrahimova, F. M. Abdullayeva, T. A. Ibrahimova, Z. N. Pashayeva
{"title":"Phenol–Formaldehyde Based Composites Containing Coal as a Filler","authors":"M. J. Ibrahimova,&nbsp;F. M. Abdullayeva,&nbsp;T. A. Ibrahimova,&nbsp;Z. N. Pashayeva","doi":"10.1134/S1995421225700741","DOIUrl":"10.1134/S1995421225700741","url":null,"abstract":"<p>The presented article presents the results of studies conducted to study the changes in the properties of the final product by adding Printex<sup>®</sup> XE 2B coal powder as a filler to the phenol–formaldehyde resin modified with aromatic hydrocarbons contained in the light gas oil fraction obtained in the catalytic cracking process of oil during the polycondensation process (N1) or at the end of the process (N2). It was determined that if the electrical conductivity of MPFR without coal was 1.4 × 10<sup>−7</sup> S/m, the electrical conductivity of the composite samples obtained by adding coal to it was higher, and was 1.0 × 10<sup>−3</sup> S/m (N1) and 1.5 × 10<sup>−5</sup> S/m (N2), respectively. Despite the same amount of filler being added to the composite samples (N1 and N2) by different approaches, relatively higher conductivity was observed with the addition of coal during synthesis (N1), which in turn was associated with the effective dispersion of coal particles with the resin and the formation of a resistant network. Consequently, the addition of coal to MPFR during synthesis was evaluated as a more effective approach in terms of increasing the electrical conductivity.</p>","PeriodicalId":741,"journal":{"name":"Polymer Science, Series D","volume":"18 4","pages":"685 - 691"},"PeriodicalIF":0.58,"publicationDate":"2026-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147985280","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
Improvement of the Gluing Technology of Bent-Glued Pieces 弯胶件粘接工艺的改进
IF 0.58
Polymer Science, Series D Pub Date : 2026-05-22 DOI: 10.1134/S1995421225700868
E. G. Sokolova
{"title":"Improvement of the Gluing Technology of Bent-Glued Pieces","authors":"E. G. Sokolova","doi":"10.1134/S1995421225700868","DOIUrl":"10.1134/S1995421225700868","url":null,"abstract":"<p>The research is aimed at developing a technology for the production of bent-glued blanks with the increased water resistance. The possibility of using adhesive compositions based on urea–melamine–formaldehyde resin for gluing veneer in obtaining bent-glued blanks has been analyzed. Complex active filler, dolomite, and salts of lignosulfonic acids were used as modifiers. The results of assessing the strength of the adhesive joint with different filler contents and adhesive composition consumption have been presented. The conducted studies show the prospects of using new high-performance adhesive compositions for gluing veneer in order to obtain bent-glued blanks of a shallow profile. The considered adhesive systems allow reducing the gluing time, while simultaneously reducing the consumption of the used materials. The highest strength with reduced gluing time is achieved by using a complex active filler.</p>","PeriodicalId":741,"journal":{"name":"Polymer Science, Series D","volume":"18 4","pages":"764 - 769"},"PeriodicalIF":0.58,"publicationDate":"2026-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147985160","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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