Cotton fiber-based durable antibacterial fiber fabric and preparation method thereof

Abstract

The invention discloses a cotton fiber-based durable antibacterial fiber fabric. The durable antibacterial fiber fabric is prepared from cotton fibers, ceric ammonium nitrate, an anion modifier, an amino-terminated hyperbranched polymer and graphene oxide. The invention discloses a preparation method of the cotton fiber-based durable antibacterial fiber fabric. The preparation method comprises the following steps of alkalizing the cotton fibers, soaking the cotton fibers in an ammonium ceric nitrate solution, performing ultrasonic treatment under the protection of nitrogen, adding the anion modifier, continuing ultrasonic treatment, taking out the cotton fibers, washing the cotton fibers, and drying the cotton fibers to obtain pretreated cotton fibers; adding the amino-terminated hyperbranched polymer into an ethanol water solution, performing uniform stirring, adding the pretreated cotton fibers into a mixture under the protection of nitrogen, performing stirring for 1-2 hours at 50-70 DEG C, performing washing, and performing drying in vacuum to obtain grafted cotton fibers; and adding the graphene oxide into dilute acid, performing uniform stirring, adding the grafted cotton fibers, performing stirring at 70-90 DEG C for 1-2 hours, taking out the cotton fibers, washing the cotton fibers, drying the cotton fibers, and performing spinning and weaving to obtain the cotton fiber-based durable antibacterial fiber fabric.

Description

technical field [0001] The invention relates to the technical field of antibacterial cotton fibers, in particular to a durable antibacterial fiber fabric based on cotton fibers and a preparation method thereof. Background technique [0002] Cotton fiber is an important textile fiber material. Its products are cheap, moisture-absorbing, breathable, comfortable, biodegradable, safe and environmentally friendly, and are favored by people. However, in a humid environment, cotton fabrics are prone to mildew and deterioration and absorb bacteria, which are corroded by bacteria and cause health problems. Moreover, the sweat from the human body and the shed sebum provide rich nutrients for the reproduction of fungi, resulting in the growth of bacteria. Breeding will not only cause cross-infection and spread diseases, produce peculiar smell, cause health problems, but also easily damage fibers. The bonds are disassembled and new hydrogen bonds are generated. When the external force ...

AI Technical Summary

Problems solved by technology

However, in a humid environment, cotton fabrics are prone to mildew and deterioration, absorbing bacteria, and being corroded by bacteria, causing health problems. Moreover, the sweat from the human body and the shed sebum provide rich nutrients for the reproduction of fungi, resulting in the growth of bacteria. Breeding will not only cause cross-infection and spread diseases, produce peculiar smell, cause health problems, but also easily damage fibers. The bonds are disassembled and new hydrogen bonds are generated. When the external force is removed, creep will occur. When the external force is too large and the acting time is too long, it is easy to wrinkle and deform. Therefore, it is necessary to carry out antibacterial and anti-wrinkle finishing on cotton fabrics. , the development of antibacterial modified anti-wrinkle cotton fibers has excellent prospects

[0003] Generally speaking, textile antibacterial agents are divided into inorganic antibacterial agents, organic antibacterial agents and natural antibacterial agents according to the source of materials. At present, natural antibacterial agents have poor antibacterial effects, and organic antibacterial agents such as quaternary ammonium salt type polymer antibacterial agents are not washable and easy to wash. The shortcoming of elution, antibacterial effect is not long-lasting, and it is poisonous to the human body after elution. Inorganic antibacterial agents are easy to lose rapidly during use, and cannot exert the antibacterial effect of nano-zinc oxide for a long time; graphene oxide can destroy the cell membrane of bacteria, thereby It causes the outflow of intracellular substances and kills bacteria. Since the antibacterial effect of graphene oxide was first discovered experimentally in 2010, a variety of antibacterial fabrics based on graphene have been developed. However, most of the existing graphene antibacterial fabrics are made by Preparation of bonding coating directly on the fabric, and directly setting the coating on the fabric will greatly reduce the air permeability of the fabric, and the washability is poor, easy to fall off, and cannot exert a lasting antibacterial effect

[0004] At present, regarding anti-wrinkle treatment, the anti-wrinkle finishing agent composed of urea-formaldehyde resin and formaldehyde is a relatively common anti-wrinkle finishing method, but the fabric will release formaldehyde after using this finishing agent, which greatly threatens human health and even causes body cancer.

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