Macromolecular nano biological filter element material as well as preparation method and application thereof

Abstract

The invention relates to a macromolecular nano biological filter element material as well as a preparation method and application thereof. The macromolecular nano biological filter element material isprepared from the following raw materials in parts by weight of 1-4 parts of nano titanium dioxide, 1-4 parts of nano silicon dioxide, 50-100 parts of high-melt-index polypropylene, 2-3 parts of electret master batch, 0.008-0.012 part of a coupling agent, 0.01-0.03 part of macromolecular nanoparticles, 0.13-0.17 part of a flexibilizer, 0.008-0.012 part of an antioxidant and 0.7-1.3 parts of a POEelastic composite material. The macromolecular nano biological filter element material prepared by the method has strong adsorption capacity; a montmorillonite solution coats a surface layer of a nano modified melt-blown non-woven fabric material, so that the bacteriostatic and bactericidal properties of the material can be improved; the macromolecular nano biological filter element material canpromote wound healing and is not liable to leave scars when being applied to wound dressings; and the nano composite material provided by the invention also has relatively high strength and good mechanical properties.

Description

technical field [0001] The invention belongs to the technical field of nanomaterials, and in particular relates to a polymer nanobiological filter element material, a preparation method and an application thereof. Background technique [0002] Bacteria, mold and other pathogenic microorganisms are ubiquitous in people's production and daily life environment, threatening human health. With the development of science and technology and the improvement of people's living standards, there are higher requirements for the antibacterial properties of durable consumer goods such as clothing, hygiene products, daily necessities, and food packaging. [0003] Commonly used antibacterial materials can be classified into several types, inorganic and natural, etc. Traditional organic antibacterial materials have disadvantages such as non-broad-spectrum antibacterial, poor chemical stability, poor heat resistance, and easy aging. Carbonization and decomposition begin at 150-180°C, and the...

AI Technical Summary

Problems solved by technology

[0003] Commonly used antibacterial materials can be classified into several types, inorganic and natural, etc. Traditional organic antibacterial materials have disadvantages such as non-broad-spectrum antibacterial, poor chemical stability, poor heat resistance, and easy aging. Carbonization and decomposition begin at 150-180°C, and the application range is narrow. Inorganic antibacterial materials have the advantages of broad-spectrum antibacterial and good heat resistance.

However, the current common inorganic antibacterial agents are mainly made of oxides or elemental particles containing antibacterial ions such as silver, copper, zinc, etc. However, the dispersion of antibacterial ions is uneven, the release speed of antibacterial ions is too fast and random and uncontrollable, the sustainable time of sustained release is short, and the long-term stability of antibacterial performance is poor.

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