CN112410912A

CN112410912A - Antibacterial non-woven fabric and preparation process thereof

Info

Publication number: CN112410912A
Application number: CN202011111696.7A
Authority: CN
Inventors: 高建奇; 施钦胡
Original assignee: Wenzhou Fuchi Non Woven Packaging Co ltd
Current assignee: Wenzhou Fuchi Non Woven Packaging Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-02-26

Abstract

The application relates to the field of non-woven fabrics, and specifically discloses an antibacterial non-woven fabric and a preparation process thereof, wherein the antibacterial non-woven fabric is prepared from the following raw materials in parts by weight: polypropylene, a plasticizer, a coupling agent, an antioxidant and an antibacterial material. The preparation process of the antibacterial non-woven fabric comprises the following steps: step 1, weighing polypropylene, a plasticizer, a coupling agent, an antioxidant and an antibacterial material according to the required weight parts of the formula, and uniformly mixing to obtain a mixture B; step 2, pressing the mixture B into a spinning manifold, spinning, cooling until a filament body is solidified, and drawing to obtain a fiber net; and 3, hot-rolling the fiber net on a hot rolling mill to form cloth, thereby obtaining the antibacterial non-woven fabric. The antibacterial non-woven fabric has good antibacterial performance, and also has good flexibility and wrinkle resistance.

Description

Antibacterial non-woven fabric and preparation process thereof

Technical Field

The application relates to the field of non-woven fabrics, in particular to an antibacterial non-woven fabric and a preparation process thereof.

Background

Nonwoven fabrics, also known as non-woven fabrics, are referred to as fabrics because of their appearance and certain properties. The non-woven fabric has the characteristics of moisture resistance, air permeability, flexibility, light weight, no combustion supporting, easy decomposition, no toxicity or irritation, rich color, low price, recycling and the like. The non-woven fabric is produced by adopting polypropylene granules as a raw material through a continuous one-step method of high-temperature melting, spinning, laying a line and hot-pressing coiling.

Along with the improvement of the life quality of people, people pay more attention to the safety and sanitation of daily necessities. The non-woven fabric is often used in the aspects of shoemaking, mattresses, child and mother quilts, decorations, garment linings, masks and the like, is closely related to the life of people, bacteria are easy to breed after the non-woven fabric is stained with stains, and the bacteria breed on the non-woven fabric by taking components in the stains as nutrient sources, so that the use safety of users is influenced.

Disclosure of Invention

In order to improve the antibacterial effect of the non-woven fabric, the application provides an antibacterial non-woven fabric and a preparation process thereof.

In a first aspect, the present application provides an antibacterial non-woven fabric, which adopts the following technical scheme:

55-65 parts of polypropylene;

3-5 parts of a plasticizer;

0.5-1 part of coupling agent;

1-3 parts of an antioxidant;

3-6 parts of an antibacterial material;

the preparation method of the antibacterial material comprises the following steps:

step 1, weighing 5-6 parts of a cymbidium crystallinum extract according to the weight components, and dissolving the cymbidium crystallinum extract in 10 parts of water to obtain a mixture A;

step 2, weighing 8-10 parts of camellia oil and 8-10 parts of olive oil according to the weight components, uniformly stirring to obtain oil liquid, stirring the mixture A, the oil liquid and 0.5-1 part of glycerol monolaurate at the rotating speed of 1600r/min to obtain water-in-oil type coarse milk, precooling the coarse milk to 0-5 ℃, and then carrying out ultrasonic treatment on the coarse milk, wherein the ultrasonic power is 500W, and the ultrasonic time is 3min to obtain refined milk A;

and 3, homogenizing the refined milk A for 3-4 times under the pressure of 310-320MPa by high-pressure micro-jet to obtain the antibacterial material.

By adopting the technical scheme, the components of the cymbidium crystallinum extract have better antibacterial and antiviral effects, and have better inhibiting effect on staphylococcus aureus, bacillus subtilis and escherichia coli, so that the non-woven fabric has better antibacterial effect; the plasticizer can reduce the acting force among the molecules in the non-woven fabric, so that the non-woven fabric has better flexibility.

The cymbidium crystallinum extract is prepared into water-in-oil type emulsion, and the cymbidium crystallinum extract is wrapped by the mixture of camellia oil and olive oil to prepare an antibacterial material, so that the effective components of the cymbidium crystallinum extract are not easy to volatilize, and the antibacterial effect is prolonged; the compatibility of the cymbidium crystallinum extract and polypropylene is better and the dispersibility of the cymbidium crystallinum extract in the polypropylene is better by preparing the cymbidium crystallinum emulsion in water; meanwhile, the camellia oil and the olive oil have a hydrophobic effect, so that the loss of the cymbidium crystallinum extract is slowed down when the prepared non-woven fabric is washed by water, and the antibacterial effect is prolonged.

The camellia oil and the olive oil have high content of unsaturated fatty acid and oleic acid, so that the flexibility of the non-woven fabric is improved; the olive oil has high vitamin E content, the vitamin E has good anti-aging effect, the non-woven fabric has good anti-aging capacity and oxidation resistance, the olive oil also contains squalene, flavonoids and polyphenol compounds, the flavonoids have good antibacterial effect, and the antibacterial effect of the non-woven fabric is further enhanced.

Optionally, the antibacterial material is pretreated, and the pretreatment process is as follows: weighing 3-6 parts of antibacterial material, 20-25 parts of polypropylene and 1-2 parts of antioxidant according to parts by weight, stirring and mixing uniformly at the temperature of 190 ℃ of 180-.

Through the technical scheme, the water-in-oil type emulsion is an unstable system and is easy to generate the conversion of layering or sedimentation, flocculation, coalescence, emulsion breaking and the like, so that the quality of the antibacterial material is influenced, the antibacterial material is made into particles, the problems can be effectively improved, the antibacterial material is not easy to generate unstable conversion due to shaking in transportation, the transportation of the antibacterial material is facilitated, meanwhile, the particle antibacterial material can inhibit the volatilization of effective components in the particle antibacterial material, and the loss of the effective components is reduced.

Optionally, the preparation method of the cymbidium crystallinum extract comprises the following steps:

step 1, drying the crystal blue at 40-45 ℃ for 5 hours, grinding the dried crystal blue to obtain crystal blue powder, stirring and soaking the crystal blue powder for 24 hours by using 90% ethanol, wherein the soaking temperature is 60 ℃, and filtering to obtain filtrate A and filter residue A;

step 2, carrying out reflux extraction on the filter residue A by using 50% ethanol, wherein the extraction temperature is 80-85 ℃, and the extraction time is 1h, so as to obtain a filtrate B;

and 3, mixing the filtrate A and the filtrate B, and evaporating to dryness to obtain the cymbidium crystallinum extract.

By adopting the technical scheme, the extract of the cymbidium crystallinum is obtained, and the cymbidium crystallinum extract is prepared by adopting ethanol, so that the ethanol has good solubility with various hydrophilic and lipophilic substances, the extraction effect of the cymbidium crystallinum is good, the boiling point of the ethanol is low, the ethanol is a volatile substance, the evaporation speed in the later period is high, and the preparation time is shortened.

Optionally, 1-3 parts of cymbidium goeringii extract is added in step 1 of the preparation method of the antibacterial material. .

Through the technical scheme, the cymbidium bicolor extract has obvious antibacterial effect on staphylococcus aureus, staphylococcus albus, pseudomonas aeruginosa, bacillus anthracis, typhoid bacillus, streptococcus A and streptococcus B, so that the non-woven fabric has better antibacterial performance.

Optionally, the preparation method of the cymbidium goeringii extract comprises the following steps:

step 1, cleaning the whole cymbidium bicolor, drying at 60-80 ℃ for 12 hours, grinding the dried cymbidium bicolor to obtain cymbidium bicolor powder, performing reflux extraction on the cymbidium bicolor powder by using 70% ethanol, wherein the extraction temperature is 80-85 ℃, the extraction time is 2 hours, and filtering to obtain filtrate C and filter residue C;

step 2, carrying out reflux extraction on the filter residue C by using 50% ethanol, wherein the extraction temperature is 80-85 ℃, and the extraction time is 1h, so as to obtain a filtrate D;

and 3, mixing the filtrate C and the filtrate D, and evaporating to dryness to obtain the cymbidium goeringii extract.

The cymbidium bicolor extract with antibacterial property is obtained by the technical scheme.

Optionally, one or two of methylisothiazolinone and tea tree essential oil are also included.

Through above-mentioned technical scheme, methylisothiazolinone has better bactericidal effect, and tea tree essential oil all has better inhibitory effect to mite, bacterium, and methylisothiazolinone and tea tree essential oil share has the effect of killing bacteria in coordination and inhibiting mite, show the antibacterial effect who strengthens this non-woven fabrics.

Optionally, 2 parts of a mixture of isopropyl myristate and jojoba oil is also included.

Through the technical scheme, the mixture of isopropyl myristate and jojoba oil contains more vitamins, proteins, collagen and vegetable wax. The vitamins and the protein can improve the crease resistance and the flexibility of the non-woven fabric; the vegetable wax contains more hydrocarbon, is an acidic and alkaline amphoteric substance, can be freely dispersed in a non-woven fabric system, enables the antibacterial material and a base material of the non-woven fabric to have better associativity, and simultaneously has better anti-corrosion and anti-wrinkle capabilities, and further improves the toughness and anti-wrinkle capabilities of the non-woven fabric.

In a second aspect, the present application provides a process for preparing an antibacterial non-woven fabric, which adopts the following technical scheme:

a preparation process of an antibacterial non-woven fabric comprises the following steps:

step 1, weighing polypropylene, a plasticizer, a coupling agent, an antioxidant and an antibacterial material according to the required weight parts of a formula, and uniformly mixing at the temperature of 180-;

step 2, pressing the mixture B into a spinning manifold, wherein the working pressure of the spinning manifold is 2-5MPa, and spinning, cooling until a filament body is solidified and drawing to obtain a fiber net;

and 3, carrying out hot rolling on the fiber net on a hot rolling mill to form cloth, wherein the roller temperature is 140-150 ℃, and obtaining the antibacterial non-woven fabric.

In summary, the present application has the following beneficial effects:

1. the crystal orchid extract and the cymbidium goeringii extract are added into the manufacturing materials of the non-woven fabric, so that the non-woven fabric has a good antibacterial effect.

2. In the application, the cymbidium crystallinum extracts and the cymbidium bicolor extracts are preferably limited to be water-in-oil type emulsions, so that the extracts have good compatibility with polypropylene, and the antibacterial effect is prolonged.

3. By adding camellia oil and olive oil, the antibacterial non-woven fabric has better toughness and ageing resistance.

Detailed Description

The present application will be described in further detail with reference to examples.

The antioxidant is an antioxidant 1035 sold by Changzhou Xinshi polymer materials Co., Ltd; the plasticizer is a pp plasticizer sold by Shenzhen Jinzhi scientific and technical Limited, and the model is A-669; the coupling agent is one or more of triethoxysilane, methyl triethoxysilane, silane coupling agent KH550, KH560, KH570, KH792, DL602 or DL171, and currently triethoxymethylsilane sold by Wuhan Fuxin Yuanzhi Limited is adopted, and tea tree essential oil is sold by Shenzhen Asian European Star science Limited.

Example 1:

an antibacterial non-woven fabric is prepared from the following raw materials in parts by weight:

55 parts of polypropylene;

3 parts of a plasticizer;

0.5 part of a coupling agent;

1 part of an antioxidant;

3 parts of an antibacterial material;

step 1, weighing 5 parts of a cymbidium crystallinum extract according to the weight components, and dissolving the cymbidium crystallinum extract in 10 parts of water to obtain a mixture A;

step 2, weighing 8 parts of camellia oil and 8 parts of olive oil according to the weight components, uniformly stirring to obtain oil liquid, stirring the mixture A, the oil liquid and 0.5 part of glycerol monolaurate at the rotating speed of 1600r/min to obtain water-in-oil type coarse milk, precooling the coarse milk to 0 ℃, and then carrying out ultrasonic treatment on the coarse milk, wherein the ultrasonic power is 500W, and the ultrasonic time is 3min to obtain refined milk A;

and 3, homogenizing the refined milk A for 3 times under the pressure of 310MPa by high-pressure micro-jet to obtain the antibacterial material.

The preparation method of the cymbidium crystallinum extract comprises the following steps:

step 1, drying the crystal blue at 40 ℃ for 5 hours, grinding the dried crystal blue to obtain crystal blue powder, stirring and soaking the crystal blue powder for 24 hours by using 90% ethanol, wherein the soaking temperature is 60 ℃, and filtering to obtain filtrate A and filter residue A;

step 2, carrying out reflux extraction on the filter residue A by using 50% ethanol, wherein the extraction temperature is 80 ℃, and the extraction time is 1h, so as to obtain a filtrate B;

step 1, weighing polypropylene, a plasticizer, a coupling agent, an antioxidant and an antibacterial material according to the required weight parts of a formula, and uniformly mixing at 180 ℃ to obtain a mixture B;

step 2, pressing the mixture B into a spinning manifold, wherein the working pressure of the spinning manifold is 2MPa, and spinning, cooling until a filament body is solidified and drawing to obtain a fiber web;

and 3, hot-rolling the fiber net on a hot rolling mill to form cloth, wherein the temperature of a roller is 140 ℃, and thus the antibacterial non-woven fabric is obtained.

Example 2:

65 parts of polypropylene;

5 parts of a plasticizer;

1 part of a coupling agent;

3 parts of an antioxidant;

6 parts of an antibacterial material;

step 1, weighing 6 parts of a cymbidium crystallinum extract according to the weight components, and dissolving the cymbidium crystallinum extract in 10 parts of water to obtain a mixture A;

step 2, weighing 10 parts of camellia oil and 10 parts of olive oil according to the weight components, uniformly stirring to obtain oil liquid, stirring the mixture A, the oil liquid and 1 part of glycerol monolaurate at the rotating speed of 1600r/min to obtain water-in-oil type coarse milk, precooling the coarse milk to 5 ℃, and then carrying out ultrasonic treatment on the coarse milk, wherein the ultrasonic power is 500W, and the ultrasonic time is 3min to obtain refined milk A;

and 3, homogenizing the refined milk A for 4 times under 320MPa by high-pressure micro-jet to obtain the antibacterial material.

step 1, drying the crystal blue at 45 ℃ for 5 hours, grinding the dried crystal blue to obtain crystal blue powder, stirring and soaking the crystal blue powder for 24 hours by using 90% ethanol, wherein the soaking temperature is 60 ℃, and filtering to obtain filtrate A and filter residue A;

step 2, carrying out reflux extraction on the filter residue A by using 50% ethanol, wherein the extraction temperature is 85 ℃, and the extraction time is 1h, so as to obtain a filtrate B;

step 1, weighing polypropylene, a plasticizer, a coupling agent, an antioxidant and an antibacterial material according to the required weight parts of a formula, and uniformly mixing at 190 ℃ to obtain a mixture B;

step 2, pressing the mixture B into a spinning manifold, wherein the working pressure of the spinning manifold is 5MPa, and spinning, cooling until a filament body is solidified and drawing to obtain a fiber web;

and 3, hot-rolling the fiber net on a hot rolling mill to form cloth, wherein the temperature of a roller is 150 ℃, and thus the antibacterial non-woven fabric is obtained.

Example 3

60 parts of polypropylene;

4 parts of a plasticizer;

0.7 part of a coupling agent;

2 parts of an antioxidant;

5 parts of an antibacterial material;

step 2, weighing 9 parts of camellia oil and 9 parts of olive oil according to the weight components, uniformly stirring to obtain oil liquid, stirring the mixture A, the oil liquid and 0.8 part of glycerol monolaurate at the rotating speed of 1600r/min to obtain water-in-oil type coarse milk, precooling the coarse milk to 3 ℃, and then carrying out ultrasonic treatment on the coarse milk, wherein the ultrasonic power is 500W, and the ultrasonic time is 3min to obtain refined milk A;

and 3, homogenizing the refined milk A for 4 times under 315MPa by high-pressure micro-jet to obtain the antibacterial material.

step 1, drying the crystal blue at 43 ℃ for 5 hours, grinding the dried crystal blue to obtain crystal blue powder, stirring and soaking the crystal blue powder for 24 hours by using 90% ethanol, wherein the soaking temperature is 60 ℃, and filtering to obtain filtrate A and filter residue A;

step 2, carrying out reflux extraction on the filter residue A by using 50% ethanol, wherein the extraction temperature is 83 ℃, and the extraction time is 1h, so as to obtain a filtrate B;

step 1, weighing polypropylene, a plasticizer, a coupling agent, an antioxidant and an antibacterial material according to the required weight parts of the formula, and uniformly mixing at 185 ℃ to obtain a mixture B;

step 2, pressing the mixture B into a spinning manifold, wherein the working pressure of the spinning manifold is 4MPa, and spinning, cooling until a filament body is solidified and drawing to obtain a fiber net;

and 3, hot-rolling the fiber net on a hot rolling mill to form cloth, wherein the roller temperature is 145 ℃, and thus the antibacterial non-woven fabric is obtained.

Example 4:

the difference from example 3 is that: pretreating the antibacterial material, wherein the pretreatment process comprises the following steps:

weighing 5 parts of antibacterial material, 25 parts of polypropylene and 2 parts of antioxidant in parts by weight, stirring and mixing uniformly at 180 ℃ for 10min, and granulating to obtain the granular antibacterial material.

Example 5:

the difference from example 3 is that: in step 1 of the preparation method of the antibacterial material, 2 parts of the cymbidium goeringii extract is added.

The preparation method of the cymbidium goeringii extract comprises the following steps:

step 1, cleaning the whole cymbidium bicolor, drying at 60 ℃ for 12 hours, grinding the dried cymbidium bicolor to obtain cymbidium bicolor powder, performing reflux extraction on the cymbidium bicolor powder by using 70% ethanol, wherein the extraction temperature is 80 ℃, the extraction time is 2 hours, and filtering to obtain filtrate C and filter residue C;

step 2, carrying out reflux extraction on the filter residue C by using 50% ethanol, wherein the extraction temperature is 80 ℃, and the extraction time is 1h, so as to obtain a filtrate D;

Example 6:

the difference from example 3 is that: 2 parts by weight of methylisothiazolinone are added in step 1 of the non-woven fabric preparation process.

Example 7:

the difference from example 3 is that: 2 parts by weight of tea tree essential oil is added in step 1 of the non-woven fabric preparation process.

Example 8:

the difference from example 3 is that: in step 1 of the non-woven fabric preparation process, 2 parts of methylisothiazolinone and 2 parts of tea tree essential oil are added.

Example 9:

the difference from example 3 is that: in step 1 of the non-woven fabric preparation process, a mixture of 2 parts of isopropyl myristate and jojoba oil is added, and the volume ratio of the isopropyl myristate to the jojoba oil is 1: 1.

Example 10:

the difference from example 9 is that: no jojoba oil was added.

Example 11:

the difference from example 9 is that: no isopropyl myristate was added.

Comparative example 1:

the difference from example 3 is that: no antimicrobial material was added.

Comparative example 2:

the difference from example 3 is that: the camellia oil is replaced by soybean oil with equal weight components.

Comparative example 3:

the difference from example 3 is that: replacing olive oil with soybean oil of equal weight composition.

Comparative example 4:

the difference from example 3 is that: the camellia oil and the olive oil are replaced by soybean oil with equal weight components.

Comparative example 5:

the difference from example 3 is that: the method for preparing the antibacterial material does not include the steps 2 and 3.

Performance test

The antibacterial performance test method comprises the following steps: the test results are detailed in table 1.

Test one, inoculating staphylococcus aureus to the surface of a common nutrient medium compactly by using a strain ring, attaching an antibacterial non-woven fabric wafer with the diameter of 4mm to the medium by aseptic operation, culturing at 37 ℃ for 24h, observing and measuring the diameter of the antibacterial ring.

And secondly, sterilizing the culture medium under high pressure on the basis of common nutrient agar, cooling the culture medium to 56 ℃, adding 5 to 10 percent of sterile defibering sheep blood, uniformly mixing the mixture, pouring the mixture into a culture dish, densely inoculating the streptococcus A to a blood plate nutrient medium, sticking an antibacterial non-woven fabric wafer with the diameter of 4mm on the culture medium by aseptic operation, and culturing the culture medium at 37 ℃ for 24 hours to observe and measure the diameter of an antibacterial ring.

Testing of flexibility: the test results are detailed in table 1.

The breaking strength is tested by using a YG020A type electronic single yarn strength tester, the stretching speed is controlled to be 200mm/min, the ambient temperature is 15 ℃, the humidity is 65%, and the pretension is 0.05 cN/dtex;

the wrinkle recovery angle represents the wrinkle resistance of the fiber, and the test is carried out according to GB/T3819-1997, and the used instrument is a YG541A type wrinkle recovery tester.

The anti-mite performance test method comprises the following steps: the test results are detailed in table 2.

10 mites were placed on a glass slide, the antibacterial nonwoven fabrics of example 3, example 6, example 7, example 8, and comparative example 1 were cut to 10cmx10cm, and immersed in 10ml of distilled water for 20min, administration intervention was performed on the glass slide on which the mites were placed using a syringe, the number of mites surviving on the glass slide was observed at intervals of 0.5h, 1h, 2h, 3h, 4h, and 5h, respectively, and a control group was set by administration using distilled water.

TABLE 1

TABLE 2 mite survival number recording sheet

Detailed description is made with reference to table 1:

it can be seen from the combination of example 3 and example 4 and table 1 that the antibacterial material is modified to have a better antibacterial effect in the form of particles, the antibacterial material of the water-in-oil emulsion is liable to undergo unstable transformation (such as coalescence and emulsion breaking) during storage and transportation, and the granular antibacterial material is less liable to undergo such a phenomenon, so that the thyme extract has a better preservation effect and the antibacterial effect of the antibacterial material is better.

By combining the examples 3 and 5 and the table 1, it can be seen that the cymbidium laggera extract has better antibacterial effects on staphylococcus aureus and streptococcus a, and the antibacterial performance of the non-woven fabric is enhanced.

It can be seen from the combination of example 3 and example 6 and table 1 that methylisothiazolinone has a good bactericidal effect, and the antibacterial performance of the antibacterial non-woven fabric is improved.

It can be seen from the combination of example 3 and example 7 and table 1 that tea tree essential oil has a certain antibacterial effect on the bacteria in this experiment.

As can be seen by combining example 3 with examples 6 to 8 and table 1, the mixed station of methylisothiazolinone and tea tree essential oil has antibacterial synergistic effect, greatly enhancing the antibacterial ability of the antibacterial nonwoven fabric.

By combining example 3 and examples 9-11 and table 1, it can be seen that isopropyl myristate and jojoba oil can both improve the flexibility and the anti-wrinkle capability of the antibacterial non-woven fabric, and meanwhile, isopropyl myristate and jojoba oil have a good anti-wrinkle synergistic effect, so that the anti-wrinkle capability of the non-woven fabric is remarkably improved.

By combining the example 3 and the comparative example 1 and combining the table 1, the antibacterial effect of the antibacterial material on the non-woven fabric is better, so that the non-woven fabric has obvious antibacterial effects on staphylococcus aureus and streptococcus A.

It can be seen from the combination of example 3 and comparative example 2 and table 1 that the camellia oil can improve the toughness and wrinkle resistance of the non-woven fabric, and the camellia oil has high content of unsaturated fatty acid and oleic acid, so that the flexibility of the non-woven fabric is improved.

As can be seen by combining example 3 and comparative example 3 with Table 1, the antibacterial effect of olive oil on Staphylococcus aureus is good, and meanwhile, the tear strength and the anti-wrinkle performance of the non-woven fabric can be improved by camellia oil

It can be seen from the combination of example 3 and comparative example 4 and table 1 that tea oil and olive oil can improve the antibacterial and anti-wrinkle abilities of the nonwoven fabric.

It can be seen from the combination of example 3 and comparative example 5 and table 1 that the antibacterial material is prepared after the cymbidium crystallinum extract is prepared into emulsion, so that the antibacterial ability, toughness and anti-wrinkle ability of the non-woven fabric are improved, the volatilization of the cymbidium crystallinum extract prepared into the emulsion is reduced, the drug property of the cymbidium crystallinum extract is kept better, and meanwhile, the compatibility of the cymbidium crystallinum extract and polypropylene is better due to the water-in-oil type emulsion.

Detailed description is made with reference to table 2:

when the control group, example 3 and example 6 are combined and table 2 is combined, the methylisothiazolinone has the effect of inhibiting the survival of mites, but the effect is not obvious.

As can be seen by combining the control, example 3 and example 7, and by combining table 2, tea tree essential oil has a significant mite-inhibiting effect.

As can be seen by combining the control group, example 3 and example 8 and combining table 2, the mixture of methylisothiazolinone and tea tree essential oil has a synergistic effect of inhibiting the survival of mites, so that the effect of the non-woven fabric on inhibiting the survival of mites is remarkably improved.

As can be seen by combining the control group, example 3 and comparative example 1, and combining table 2, the antibacterial material also has an inhibitory effect on the survival of mites, but the effect is not significant. ,

the present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims

1. The antibacterial non-woven fabric is characterized by being prepared from the following raw materials in parts by weight:

55-65 parts of polypropylene;

3-5 parts of a plasticizer;

0.5-1 part of coupling agent;

1-3 parts of an antioxidant;

3-6 parts of an antibacterial material;

2. The antibacterial nonwoven fabric according to claim 1, characterized in that: the antibacterial material is pretreated, and the pretreatment process comprises the following steps: weighing 3-6 parts of antibacterial material, 20-25 parts of polypropylene and 1-2 parts of antioxidant according to parts by weight, stirring and mixing uniformly at the temperature of 190 ℃ of 180-.

3. The antibacterial nonwoven fabric according to claim 1, characterized in that: the preparation method of the cymbidium crystallinum extract comprises the following steps:

4. The antibacterial nonwoven fabric according to claim 1, characterized in that: in the step 1 of the preparation method of the antibacterial material, 1-3 parts of cymbidium goeringii extract is also added.

5. The antibacterial nonwoven fabric according to claim 4, wherein: the preparation method of the cymbidium goeringii extract comprises the following steps:

6. The antibacterial nonwoven fabric according to claim 1, characterized in that: also comprises one or two of methylisothiazolinone and tea tree essential oil.

7. The antibacterial nonwoven fabric according to claim 1, characterized in that: also included is 2 parts of a mixture of isopropyl myristate and jojoba oil.

8. The process for preparing the antibacterial non-woven fabric according to any one of claims 1 to 7, characterized by comprising the steps of: