聚乙烯醇改性溶液体系制备的薄膜材料

IF 0.4 Q4 METALLURGY & METALLURGICAL ENGINEERING

Russian Metallurgy (Metally) Pub Date : 2025-03-24 DOI:10.1134/S0036029525700326

M. I. Gubanova, N. S. Bazhenov, I. A. Kirsh, O. A. Bannikova, V. A. Dymitskii

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引用次数: 0

摘要

摘要：研究了聚乙烯醇（PVA）改性溶液体系制备的薄膜材料。考察了不同浓度的聚乙烯醇溶液对薄膜的阻隔性（透气性）和物理力学性能的影响。随着PVA中甘油浓度的增加，聚合物的断裂强度增加，相对伸长率明显降低，渗透率急剧增加。在PVA中加入20-30%的增塑剂，可形成弹性充分的膜，相对断裂伸长率增加，极限抗拉强度降低。

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Film Materials Derived from Modified Solution Systems Based on Polyvinyl Alcohol

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Film Materials Derived from Modified Solution Systems Based on Polyvinyl Alcohol

Abstract—Film materials derived from modified solution systems based on polyvinyl alcohol (PVA) are studied. The influence of various concentrations of PVA solutions on the barrier (vapor permeability) and physicomechanical properties of the films is examined. The fracture strength increases, the relative elongation decreases markedly, and the permeability of the polymer increases sharply with an increase in the glycerol concentration in PVA. The introduction of 20–30% plasticizer into PVA results in the formation of a sufficiently elastic film: the relative elongation to failure increases, and the ultimate tensile strength decreases.

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来源期刊

Russian Metallurgy (Metally) METALLURGY & METALLURGICAL ENGINEERING-

CiteScore

0.70

自引率

25.00%

发文量

140

期刊介绍： Russian Metallurgy (Metally) publishes results of original experimental and theoretical research in the form of reviews and regular articles devoted to topical problems of metallurgy, physical metallurgy, and treatment of ferrous, nonferrous, rare, and other metals and alloys, intermetallic compounds, and metallic composite materials. The journal focuses on physicochemical properties of metallurgical materials (ores, slags, matters, and melts of metals and alloys); physicochemical processes (thermodynamics and kinetics of pyrometallurgical, hydrometallurgical, electrochemical, and other processes); theoretical metallurgy; metal forming; thermoplastic and thermochemical treatment; computation and experimental determination of phase diagrams and thermokinetic diagrams; mechanisms and kinetics of phase transitions in metallic materials; relations between the chemical composition, phase and structural states of materials and their physicochemical and service properties; interaction between metallic materials and external media; and effects of radiation on these materials.