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Anti-mildew cellulosic fibers and preparation method thereof

A cellulose fiber and anti-mildew technology, applied in the textile field, can solve the problems of inability to wash, easy to block the filter plate, weak anti-mildew ability, etc. The effect of washing

Active Publication Date: 2015-07-01
潍坊欣龙生物材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Pre-treatment antibacterial and antifungal agents are currently representative of heavy metal inorganic antibacterial agents represented by nano-silver. Disadvantages such as affecting human health
Natural antibacterial and antifungal agents such as chitosan, etc., usually have good safety, but their application range is narrow, high temperature will be carbonized and decomposed, and most of them will seriously affect the color of fabrics
Antifungal and antibacterial agents with better antifungal ability include pyridine, imidazole, haloalkane and iodide, etc., because they are easy to be lost during the pretreatment process, not resistant to washing or reacting with cellulose stock solution, viscose has poor filtration performance and is easy to clog the filter plate , so it cannot be directly used to produce mildew-resistant cellulose fibers

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A kind of preparation method of anti-mildew cellulose fiber comprises the following steps:

[0025] (1) Modification of antifungal agent

[0026] Add the antifungal agent sodium diacetate into deionized water at a bath ratio of 1:3, add sodium dodecylbenzenesulfonate, stir at 50°C for 40 minutes, then add concentrated alkali, the content of sodium hydroxide is 4wt%, and stir for 120 minutes , to prepare a modified antifungal agent.

[0027] (2) Preparation of blended spinning solution: using cellulose pulp as raw material, viscose collagen solution is prepared by conventional viscose preparation process, and the modified anti-mold prepared in the above (1) is added in the dissolving step of viscose solution. After stirring for 60 minutes, melamine formaldehyde resin was added to prepare a blended spinning solution.

[0028] The quality of the antifungal agent added in (2) is 1wt% of the cellulose content in the viscose based on the calculation of active ingredients; ...

Embodiment 2

[0037] A kind of preparation method of anti-mildew cellulose fiber comprises the following steps:

[0038] (1) Modification of antifungal agent

[0039] Add the antifungal agent sodium diacetate into deionized water at a bath ratio of 1:4, add sodium hexametaphosphate, stir at 55°C for 30 minutes, then add concentrated alkali, the content of sodium hydroxide is 5wt%, and stir for 100 minutes to prepare the modified Antifungal agent.

[0040] (2) Preparation of blended spinning solution: using cellulose pulp as raw material, viscose collagen solution is prepared by conventional viscose preparation process, and the modified anti-mold prepared in the above (1) is added in the dissolving step of viscose solution. After stirring for 120 minutes, melamine formaldehyde resin was added to prepare a blended spinning solution.

[0041] The quality of the antifungal agent added in (2) is 4wt% of the cellulose content in viscose based on the calculation of active ingredients; 10wt% of ...

Embodiment 3

[0050] A kind of preparation method of anti-mildew cellulose fiber comprises the following steps:

[0051] (1) Modification of antifungal agent

[0052] Add the imidazole antifungal agent into deionized water at a bath ratio of 1:5, add polyethylene glycol, stir at 60°C for 40 minutes, then add concentrated alkali, the content of sodium hydroxide is 6wt%, and stir for 60 minutes to prepare the modified antifungal agent.

[0053] (2) Preparation of blended spinning solution: using cellulose pulp as raw material, viscose collagen solution is prepared by conventional viscose preparation process, and the modified anti-mold prepared in the above (1) is added in the dissolving step of viscose solution. agent, and after stirring for 60 min, a blended spinning solution was prepared. Melamine-formaldehyde resin is added through the pre-spinning injection system to prepare the spinning glue with anti-mold performance.

[0054] The quality of the antifungal agent added in (2) is 3wt% ...

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Abstract

The invention discloses anti-mildew cellulosic fibers and a preparation method of the anti-mildew cellulosic fibers. The preparation method comprises the following steps that a mildew preventive and a melamine formaldehyde resin which are subjected to modified dispersive processing are uniformly dispersed in mucilage glue primary liquid; the crosslinking on the mildew preventive is carried out by utilizing a netlike crosslinking function of the melamine formaldehyde resin; a wet spinning process is carried out to prepare cellulosic fibers with a mildew prevention and deodorization function. The mildew prevention grade of the anti-mildew cellulosic fibers produced by utilizing the method can reach 0 grade in GB / T24346-2009, the dry strength of the fibers is more than or equal to 2.10 cN / dtex, and the wet strength is more than or equal to 1.10 cN / dtex. The prepared fibers are high in mycete prevention capability, have a lasting effect, can effectively solve the technical problem that the anti-mildew fibers are not tolerant to wash, and can be widely applied to manufacturing of underwear, pants and household articles, and non-woven industries.

Description

technical field [0001] The invention relates to a functional cellulose fiber and a preparation method thereof, in particular to a method for preparing a durable anti-mold cellulose fiber with an anti-mold agent as a functional component and a cellulose fiber as a matrix. The field of textile technology. Background technique [0002] In textiles, whether it is plant fiber or animal fiber, it has strong hygroscopicity, and it also contains a certain amount of protein and other components, which provide nitrogen source, carbon source and mild and humid environment for mold, and the fabric is easy to grow. mold. The presence of mold will have many adverse effects on textiles, such as fiber degradation, unsightly color, and unpleasant odor. During the growth process of the mold, the fungus secretes various hydrolytic enzymes to hydrolyze the fiber, and the hydrolyzed small molecular substances become the nutrients for the mold to reproduce, thereby corroding and degrading the t...

Claims

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Application Information

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IPC IPC(8): D01F2/08
Inventor 秦翠梅刘长军马君志李昌垒王东刘乐
Owner 潍坊欣龙生物材料有限公司
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