KINETICS OF LOW MOLECULAR SUBSTANCES SORPTION BY THE POLYMER MIXTURES

被引:0
|
作者
Bratychak Jr, Mykhailo [1 ]
Chopyk, Natalia [1 ]
Zemke, Victoria [1 ]
机构
[1] Lviv Polytech Natl Univ, 12,S Bandery str, UA-79013 Lvov, Ukraine
来源
CHEMISTRY & CHEMICAL TECHNOLOGY | 2024年 / 18卷 / 03期
关键词
adsorption; free volume; diffusion; crystalline polymers; polyolefins; deformation degree; low molecular weight substances; DIFFUSION; BLENDS;
D O I
10.23939/chcht18.03.372
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The sorption capacity of polymer blends was analyzed on the basis of absorption kinetics. The study was carried out in an adsorption-active medium with different degrees of deformation. Heptane and butanol were used as adsorption-active media. The influence of the chemical nature of the adsorbate on the sorption process was studied. The free volume fractions for each sample of the composition were calculated. The ability of materials to absorb different amounts of substances allows us to identify the behavior peculiarities of the interfacial regions of different chemical compositions.
引用
收藏
页码:372 / 378
页数:7
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