Method for producing antimicrobial calcium alginate fiber

Abstract

The invention discloses a method for manufacturing an antimicrobial calcium alginate fibre. A sodium alginate is used as spinning stock solution; in a solidification bath containing an antimicrobial agent, the antimicrobial calcium alginate fibre is obtained by a wet-method spinning process; and the antimicrobial agent is a cationic compound which is combined with large molecules of the calcium alginate fibre through ionic bonds. The antimicrobial calcium alginate fibre obtained by the method has no toxicity and no side effect on human body; the antimicrobial agent and the large molecules of the fibre are combined by the ionic bonds in order that the antimicrobial agent has long-lasting antimicrobial function; in addition, the fibre retains the excellent quality of the calcium alginate fibre, has excellent hygroscopic property and good mechanical property, can be used for manufacturing medical dressings, has the advantages of convenient use, comfortable application and good ventilation, the acceleration of the healing of wound, the relieving of the pains of patients and the like, can be also used for manufacturing clothing and industrial textiles by pure spinning or blended spinning with cotton, mucilage glue, bamboo pulp, fur, ramie, soybean protein fibre and the like.

Description

technical field [0001] The invention relates to a manufacturing method of calcium alginate fiber with antibacterial function. Background technique [0002] With the development of science and technology and the improvement of people's quality of life, more and more attention has been paid to medical and health care, and traditional medical dressings have been difficult to meet people's needs. Traditional medical dressings are mostly gauze made of cellulose fibers such as cotton and viscose. The disadvantages are: ① cannot keep the wound moist, and the wound healing is delayed; ② dressing fibers are easy to fall off, causing foreign body reactions; ③ wound granulation tissue is easy to grow When the dressing is inserted into the mesh of the dressing, the new tissue will be damaged when the dressing is changed, causing secondary injury to the wound; ④When the dressing is soaked, pathogens can easily pass through; ⑤The water absorption is limited, and the wound exudate is mainl...

AI Technical Summary

Problems solved by technology

[0002] With the development of science and technology and the improvement of people's quality of life, more and more attention has been paid to medical and health care, and traditional medical dressings have been difficult to meet people's needs

Traditional medical dressings are mostly gauze made of cellulose fibers such as cotton and viscose. The disadvantages are: ① cannot keep the wound moist, and the wound healing is delayed; ② dressing fibers are easy to fall off, causing foreign body reactions; ③ wound granulation tissue is easy to grow When the dressing is inserted into the mesh of the dressing, the new tissue will be damaged when the dressing is changed, causing secondary injury to the wound; ④When the dressing is soaked, pathogens can easily pass through; ⑤The water absorption is limited, and the wound exudate is mainly absorbed between the fibers In capillary pores, increased frequency of gauze changes during chronic wound recovery

Calcium alginate fiber hydrogel can adsorb bacteria to the surface of the gel to prevent wound infection. However, if the gel is not removed in time, the bacteria will easily fall off after the surface of the gel reaches saturation, leading to wound infection.

Therefore, it needs to be replaced in time during use, which increases the use cost of the dressing and limits the popularization and use of calcium alginate fiber to a certain extent.

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