Compressibility of Composite Materials Reinforced with Nonwoven Needlepunch Cloth Made of Polypropylene Fibers of Increased Linear Density

IF 0.5 4区 工程技术 Q4 CHEMISTRY, MULTIDISCIPLINARY
O. V. Kozhevnikova, L. Yu. Komarova, A. V. Dedov, V. G. Nazarov
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引用次数: 0

Abstract

The compressibility of composite materials prepared by impregnation with an aqueous polyurethane dispersion of cloth made of polypropylene fibers of linear density 0.66 tex was studied. An approach to the determination of the dependence of the compressibility of the composite materials on the degree of impregnation of the cloth and the pressure on the materials was proposed. The optimal degree of impregnation of the cloth above which a substantial drop of the compressibility was observed was established. The compressibility decreased if bridges of polyurethane particles formed between the fibers. The orientation of the cloth fibers, which depended on the linear density of the fibers during punching of the fabric, was another structural factor determining the compressibility of the composite materials.

Abstract Image

用线性密度增加的聚丙烯纤维制成的无纺针刺布增强复合材料的压缩性
研究了用线性密度为 0.66 tex 的聚丙烯纤维布浸渍聚氨酯水分散液制备的复合材料的可压缩性。提出了一种确定复合材料的可压缩性取决于布的浸渍程度和材料所受压力的方法。确定了布的最佳浸渍度,超过该浸渍度,可压缩性将大幅下降。如果纤维之间形成聚氨酯颗粒桥,压缩性就会下降。布纤维的取向取决于织物冲孔时纤维的线性密度,是决定复合材料可压缩性的另一个结构因素。
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来源期刊
Fibre Chemistry
Fibre Chemistry 工程技术-材料科学:纺织
CiteScore
0.70
自引率
60.00%
发文量
70
审稿时长
6-12 weeks
期刊介绍: Fibre Chemistry publishes original research and review articles in the field of man-made fibre production and application. The journal offers scientific and technical articles on the following aspects: chemistry, technology, machinery and economics of man-made production; the initial monomers and polymers; the properties of man-made fibres and their processing in various industry branches (textiles, rubber, composites, etc).
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