阅读说明：本技术 一种基于植物抗菌剂的饰面材料及其制备方法 (Facing material based on plant antibacterial agent and preparation method thereof ) 是由 易书禄 毛创建 于 2020-06-11 设计创作，主要内容包括：本发明公开了一种基于植物抗菌剂的饰面材料及其制备方法,属于医疗防护用品领域。包括如下步骤：将姜黄根提取液、艾蒿提取液、交联剂、JFC按照预定比例混合配置成复合整理液；在室温条件下,将棉织物浸渍于复合整理液中10～30min,二浸二轧,轧液率为75%～85%,在50～70℃的温度下预烘2～5min,然后在125～155℃的温度下烘焙5～10min用去离子水清洗棉织物,去除浮色,自然风干。本发明通过采用姜黄提取液作为天然抗菌剂,并配合艾蒿精油,减小了抗菌剂对皮肤的刺激性,具有较高的生物安全性；通过采用复配多元羧酸作为交联剂,避免对棉织物白度的影响；另外通过优化浸轧工艺,提高固色率。(The invention discloses a facing material based on a plant antibacterial agent and a preparation method thereof, belonging to the field of medical protective articles. The method comprises the following steps: mixing turmeric root extract, artemisia argyi extract, a cross-linking agent and JFC according to a predetermined proportion to prepare a composite finishing liquid; soaking the cotton fabric in the composite finishing liquid for 10-30 min at room temperature, soaking twice and rolling twice, wherein the mangle expression is 75% -85%, pre-drying at 50-70 ℃ for 2-5 min, then baking at 125-155 ℃ for 5-10 min, cleaning the cotton fabric with deionized water, removing flooding, and naturally drying. According to the invention, the turmeric extract is used as a natural antibacterial agent and is matched with the mugwort essential oil, so that the irritation of the antibacterial agent to the skin is reduced, and the antibacterial agent has higher biological safety; the compound polycarboxylic acid is used as a cross-linking agent, so that the influence on the whiteness of the cotton fabric is avoided; in addition, the color fixing rate is improved by optimizing the padding process.)

1. A preparation method of a facing material based on a plant antibacterial agent is characterized by comprising the following steps:

step 1, preparing an antibacterial finishing liquid, namely mixing a turmeric root extracting solution, a cross-linking agent and JFC according to a predetermined ratio to prepare a composite finishing liquid;

step 2, padding, namely, soaking the cotton fabric in the composite finishing liquid for 10-30 min at room temperature, soaking twice and padding twice, wherein the padding liquid rate is 75-85%,

step 3, drying, namely pre-drying at the temperature of 50-70 ℃ for 2-5 min, and then baking at the temperature of 125-155 ℃ for 5-10 min

And 4, washing the cotton fabric with deionized water, removing flooding color and naturally drying.

2. The method for preparing the facing material based on the plant antibacterial agent as claimed in claim 1, wherein the antibacterial finishing liquid comprises the following components:

15-40 g/L of turmeric root extract

5-10 g/L of mugwort extract

30-50 g/L of crosslinking agent

3-5 g/L of catalyst

JFC 1g/L

The balance of deionized water.

3. The method for preparing a finishing material based on a plant antibacterial agent as claimed in claim 1, wherein the effective components of the turmeric root extract are curcumol and xanthogen diol, and the structural formula is as follows:

4. the method for preparing a facing material based on a plant antibacterial agent as claimed in claim 2, wherein the extraction process of the curcumol and the xanthogen diol is as follows:

step 1, processing, namely cleaning a certain amount of turmeric, crushing, adding acid for hydrolysis, and performing centrifugal treatment to separate solid hydrolysate;

step 2, extracting, namely performing reflux extraction by taking ethyl acetate as an extracting agent, wherein the volume mass ratio of the extracting agent to the solid hydrolysate is (2-5) to 1 during extraction, and extracting for 2-4 hours; then adjusting the pH value of the purified solution to 8-9 by ammonia water; taking the supernatant and ethyl acetate as an extractant, and performing reflux extraction to obtain a turmeric root extracting solution;

step 3, separating, namely concentrating the turmeric root extract to 1/3-1/2 of the original volume, performing silica gel column chromatography, eluting for 3-5 hours by using No. 6 gasoline and chloroform in a volume ratio of (40-50): 1 as a solvent, and collecting crude crystals of curcumol and xanthogen glycol at 230nm by using an ultraviolet detector according to peaks;

and 4, purifying, namely dissolving the crude curcumol and xanthorrhizol crystals with ethanol solutions respectively, filtering, concentrating the filtrate to 4-6 times of the weight of the crude crystals, standing, cooling, evaporating, recrystallizing and drying to obtain the curcumol and xanthorrhizol crystals.

5. The preparation method of the finishing material based on the plant antibacterial agent as claimed in claim 4, wherein 200-300 mesh silica gel is adopted for silica gel column chromatography, ethanol is adopted for column washing after elution is completed, and the silica gel column of the column chromatography can be reused for 2-5 times.

6. The method for preparing a facing material based on a plant antibacterial agent according to claim 1 or 2, wherein the turmeric root extract is prepared by: the preparation method comprises the steps of taking sodium dodecyl benzene sulfonate and tween-80 in a mass ratio of 2:1 as an emulsifier, and emulsifying curcumol, xanthogen diol or a mixture of the curcumol and the xanthogen diol into emulsion with the concentration of 8-10% by weight.

7. The preparation method of the facing material based on the plant antibacterial agent as claimed in claim 1, wherein the cross-linking agent is a composition formed by mixing citric acid and DL-2, 3-dihydroxybenzoic acid in a molar ratio of (1-3): 1.

8. The method for preparing a facing material based on a plant antibacterial agent as claimed in claim 1, wherein the catalyst is sodium hypophosphite.

9. The antibacterial cotton fabric obtained by the preparation method of the finishing material based on the plant antibacterial agent according to any one of claims 1 to 8 is used as the finishing material or a component of the finishing material.

Technical Field

The invention belongs to the field of medical protective articles, and particularly relates to a facing material based on a plant antibacterial agent and a preparation method thereof.

Background

When respiratory infectious diseases are epidemic or work in the polluted environment such as dust, the mask has a good effect, and bacteria or pollutants can be filtered out in a filtering mode. However, as people pay more attention to the protection of individuals against bacteria, viruses, pollutants and the like, and as the mask is mostly made of cloth or paper and the like, especially the mask is generally used for medical surgery, water vapor exhaled by a human body or sweat discharged by the human body can adhere to the surface of the mask in the long-term wearing process, and a proper growing condition is provided for filtering the bacteria or pollutants on the surface of the mask. Therefore, such masks should not be used for too long a continuous time and not be recommended to be reused.

Disclosure of Invention

The purpose of the invention is as follows: provides a facing material based on a plant antibacterial agent and a preparation method thereof, which aim to solve the problems involved in the background technology.

The technical scheme is as follows: a preparation method of a facing material based on a plant antibacterial agent comprises the following steps:

step 1, preparing an antibacterial finishing liquid, namely mixing a turmeric root extracting solution, a cross-linking agent and JFC according to a predetermined ratio to prepare a composite finishing liquid;

step 2, padding, namely, soaking the cotton fabric in the composite finishing liquid for 10-30 min at room temperature, soaking twice and padding twice, wherein the padding liquid rate is 75-85%,

step 3, drying, namely pre-drying at the temperature of 50-70 ℃ for 2-5 min, and then baking at the temperature of 125-155 ℃ for 5-10 min

And 4, washing the cotton fabric with deionized water, removing flooding color and naturally drying.

Preferably, the antibacterial finishing liquid comprises the following components: the concentration of a turmeric root extracting solution (10 wt% of effective components) is 15-40 g/L, the concentration of a mugwort extracting solution is 5-10 g/L, the concentration of a cross-linking agent is 30-50 g/L, the concentration of a catalyst is 3-5 g/L, the concentration of JFC is 1g/L, and a solvent is deionized water.

Preferably, the effective components of the turmeric root extract are turmeric root alcohol and turmeric root diol, and the structural formula is as follows:

、。

preferably, the extraction process of the curcumol and the xanthorrhizol is as follows:

step 1, processing, namely cleaning a certain amount of turmeric, crushing, adding acid for hydrolysis, and performing centrifugal treatment to separate solid hydrolysate;

step 2, extracting, namely performing reflux extraction by taking ethyl acetate as an extracting agent, wherein the volume mass ratio of the extracting agent to the solid hydrolysate is (2-5) to 1 during extraction, and extracting for 2-4 hours; then adjusting the pH value of the purified solution to 8-9 by ammonia water; taking the supernatant and ethyl acetate as an extractant, and performing reflux extraction to obtain a turmeric root extracting solution;

step 3, separating, namely concentrating the turmeric root extract to 1/3-1/2 of the original volume, performing silica gel column chromatography, eluting for 3-5 hours by using No. 6 gasoline and chloroform in a volume ratio of (40-50): 1 as a solvent, and collecting crude crystals of curcumol and xanthogen glycol at 230nm by using an ultraviolet detector according to peaks;

and 4, purifying, namely dissolving the crude curcumol and xanthorrhizol crystals with ethanol solutions respectively, filtering, concentrating the filtrate to 4-6 times of the weight of the crude crystals, standing, cooling, evaporating, recrystallizing and drying to obtain the curcumol and xanthorrhizol crystals.

Preferably, the silica gel column chromatography adopts 200-300 mesh silica gel, the column is flushed by ethanol after the elution is finished, and the column chromatography silica gel column can be repeatedly used for 2-5 times.

Preferably, the preparation method of the turmeric root extract comprises the following steps: the preparation method comprises the steps of taking sodium dodecyl benzene sulfonate and tween-80 in a mass ratio of 2:1 as an emulsifier, and emulsifying curcumol, xanthogen diol or a mixture of the curcumol and the xanthogen diol into emulsion with the concentration of 8-10% by weight.

Preferably, the cross-linking agent is a composition formed by mixing citric acid and DL-2, 3-dihydroxybenzoic acid in a molar ratio of (1-3): 1.

Preferably, the catalyst is sodium hypophosphite.

The invention also provides an antibacterial cotton fabric obtained by the preparation method of the finishing material based on the plant antibacterial agent, and the antibacterial cotton fabric is used as the finishing material or a component of the finishing material.

Has the advantages that: the invention relates to a facing material based on a plant antibacterial agent and a preparation method thereof, which reduces the irritation of the antibacterial agent to skin by adopting a turmeric extract as a natural antibacterial agent and matching with artemisia argyi essential oil, and has higher biological safety; the compound polycarboxylic acid is used as a cross-linking agent, so that the influence on the whiteness of the cotton fabric is avoided; in addition, the color fixing rate is improved by optimizing the padding process.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.