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Method for preparing alginic acid medical fiber by utilizing chemical fiber wet spinning

A wet spinning, alginic acid technology, applied in wet spinning, fiber processing, plant fibers, etc., can solve the problems of alginic acid medical fiber being easy to burn, poor flame retardant effect, and low limiting oxygen index, etc. The effect of improving variability, saving manpower and material resources, and simple operation

Pending Publication Date: 2022-03-18
徐州亚兴医疗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing alginic acid medical fiber has the following problems in the process of use: (1) Due to the low limiting oxygen index of the alginic acid medical fiber, it is very easy to be ignited in the air, and its application will be limited in some special occasions, And alginic acid medical fiber is particularly easy to burn and cause a fire; (2) the existing flame retardant treatment method for alginic acid medical fiber generally can only form a layer of flame retardant layer on the surface of medical fiber, but the flame retardant effect is not good.

Method used

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  • Method for preparing alginic acid medical fiber by utilizing chemical fiber wet spinning

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Experimental program
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Effect test

Embodiment 1

[0020] A kind of alginic acid medical fiber prepared by chemical fiber wet spinning, comprising the composition of the following components in parts by weight: 50 parts of plant fiber, 20 parts of alginic acid solution, 15 parts of deionized water, 10 parts of phytic acid solution, non-ionic 0.5 part of surfactant, 0.5 part of protective additive, and 0.1 part of coating additive.

[0021] The preparation method comprises the following steps:

[0022] Step 1 Pretreatment of the matrix: it is divided into cleaning the matrix and surface treatment. First, the medical fibers are washed with plant fibers, and the surface of the medical fibers is brushed, cleaned and arranged with a cleaning brush;

[0023] Step 2 solution preparation: take out alginic acid, weigh 5 grams with an electronic balance, add it to 95ml of plant fiber, and prepare a 5wt% concentration of alginic acid solution, take 4 grams of phytic acid, add it to 96ml of plant fiber, and prepare 4wt% concentration of ...

Embodiment 2

[0029] A kind of alginic acid medical fiber prepared by chemical fiber wet spinning, comprising the composition of the following components in parts by weight: 60 parts of plant fiber, 25 parts of alginic acid solution, 20 parts of deionized water, 12 parts of phytic acid solution, non-ionic 0.7 parts of surfactant, 0.6 parts of protective additive, and 0.2 part of coating additive.

[0030] The preparation method comprises the following steps:

[0031] Step 1 Pretreatment of the matrix: it is divided into cleaning the matrix and surface treatment. First, the medical fibers are washed with plant fibers, and the surface of the medical fibers is brushed, cleaned and arranged with a cleaning brush;

[0032] Step 2 solution preparation: take out alginic acid, weigh 5 grams with an electronic balance, add it to 95ml of plant fiber, and prepare a 5wt% concentration of alginic acid solution, take 4 grams of phytic acid, add it to 96ml of plant fiber, and prepare 4wt% concentration o...

Embodiment 3

[0038] A kind of alginic acid medical fiber prepared by chemical fiber wet spinning, comprising the composition of the following components in parts by weight: 70 parts of plant fiber, 30 parts of alginic acid solution, 25 parts of deionized water, 13 parts of phytic acid solution, non-ionic 0.8 parts of surfactants, 0.7 parts of protective additives, and 0.3 parts of coating additives.

[0039] The preparation method comprises the following steps:

[0040] Step 1 Pretreatment of the matrix: it is divided into cleaning the matrix and surface treatment. First, the medical fibers are washed with plant fibers, and the surface of the medical fibers is brushed, cleaned and arranged with a cleaning brush;

[0041] Step 2 solution preparation: take out alginic acid, weigh 5 grams with an electronic balance, add it to 95ml of plant fiber, and prepare a 5wt% concentration of alginic acid solution, take 4 grams of phytic acid, add it to 96ml of plant fiber, and prepare 4wt% concentrati...

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Abstract

The invention provides an alginic acid medical fiber prepared by chemical fiber wet spinning, which is prepared from the following components in parts by weight: 50 to 70 parts of plant fiber, 20 to 30 parts of alginic acid solution, 15 to 25 parts of deionized water, 10 to 13 parts of phytic acid solution, 0.5 to 0.8 part of nonionic surfactant, 0.5 to 0.7 part of protective additive and 0.1 to 0.3 part of coating additive. Alginic acid, tannic acid and phytic acid are arranged on medical fibers through a layer-by-layer self-assembly technology, the medical fibers with the flame retardant effect are prepared, the self-assembly technology provides a flexible coating method, operation is easy, the types of fabrics do not need to be considered, the amount of needed additives is small, manpower and material resources are saved, and the production cost is reduced. The multifunctional polymer formed on the surface of the fabric is thin and smooth, the thickness of the film is controllable, and the pollution of an organic solvent to the environment is reduced.

Description

technical field [0001] The invention relates to the technical field of alginic acid medical fibers, in particular to a method for preparing alginic acid medical fibers by chemical fiber wet spinning. Background technique [0002] Alginic acid is a natural polymer material extracted from brown algae plants. It is a non-toxic, harmless and biodegradable pure natural green material. Alginic acid is prepared by wet spinning with alginic acid as raw material Fiber, which can be used in textiles, clothing, medical and health fields, is a functional fiber material with high added value. As a natural polymer, alginic acid has a high relative molecular mass. Viscosity The degree of polymerization of alginic acid reaches 600-1000, and the corresponding relative molecular mass is 120,000-190,000. Since the sodium salt of alginic acid can be dissolved in water, after dissolving sodium alginate in water to prepare spinning solution, it can be easily Alginate fibers were prepared by wet ...

Claims

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Application Information

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IPC IPC(8): D06M15/13D06M13/292D06M13/238D01F2/00D01F1/07D01D5/06D01D1/00D06M101/04
CPCD06M15/13D06M13/292D06M13/238D01F2/00D01F1/07D01D5/06D01D1/00D06M2101/04D06M2200/30
Inventor 张文驰
Owner 徐州亚兴医疗科技有限公司