CN112717190A

CN112717190A - Preparation method of functional chip for deodorizing and resisting bacteria of sanitary towel

Info

Publication number: CN112717190A
Application number: CN202110055716.1A
Authority: CN
Inventors: 陈宏�
Original assignee: Natural Sanitary Products Guangzhou Co ltd
Current assignee: Natural Sanitary Products Guangzhou Co ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-04-30

Abstract

The invention discloses a preparation method of a functional chip for deodorizing and resisting bacteria of a sanitary towel, which comprises the following steps: firstly, preparing a functional material for adsorbing peculiar smell, namely reacting inorganic aluminum salt with sodium silicate, and preparing a dispersion solution from acrylic emulsion and glycerol to prepare peculiar smell adsorbing slurry for finishing fabrics; step two, preparing an antibacterial and antiviral functional material to prepare zirconium hydroxide sol, and adjusting the pH value with glacial acetic acid until the zirconium hydroxide sol is transparent; preparing spunlace non-woven fabrics, wherein the non-woven fabrics adopt a twice sizing technology, the sizing is performed for the first time to perform peculiar smell adsorption functional finishing, and the sizing is performed for the second time to perform antibacterial and antiviral functional finishing; and step four, preparing a functional chip of the sanitary towel, and cutting the non-woven fabric according to the size of the sanitary towel to obtain the functional chip of the sanitary towel with the functions of removing peculiar smell and resisting bacteria.

Description

Preparation method of functional chip for deodorizing and resisting bacteria of sanitary towel

Technical Field

The invention belongs to the technical field of sanitary towels, and particularly relates to a preparation method of a functional chip for deodorizing and resisting bacteria of a sanitary towel.

Background

The sanitary towel is an absorptive substance and is mainly used for absorbing menstrual blood flowing out from the vagina when women have menstrual flow. With the progress and development of society, sanitary napkins as female cleaning articles have been considered for more than just their basic uses, and other related properties are increasingly attracting consumers' attention. In menstrual period, the endocrine function changes, so that the general and local resistance is reduced, if the menstrual hygiene is not noticed, acute and chronic diseases are easy to cause, and the health and fertility of women are even affected. The prior sanitary towel has poor air permeability, no dryness and peculiar smell in use, particularly in summer, women are unwilling to normally interact with the sanitary towel in menstrual period, the peculiar smell generated by menstrual blood can make the psychology and the spirit of the women unpleasant, and the serious people can have psychological disorder.

The silver-carrying bacteriostatic sanitary towel and the preparation method thereof as disclosed in the patent application 201810524914.6, the silver-carrying bacteriostatic sanitary towel comprises a sanitary towel main body and wings positioned at two sides of the sanitary towel main body, the sanitary towel main body sequentially comprises a cotton soft layer, a bacteriostatic layer, a high polymer water-absorbing resin layer, a bottom layer, release paper and a coating, and the bacteriostatic layer is prepared from silver-carrying antibacterial fibers.

However, this type of antibacterial method is mainly based on silver ions for sterilization, and has a certain effect of inhibiting germs, but it is expensive, and in order to ensure the sterilization performance, the constituent layers of the sanitary napkin are covered with each other, and the air permeability is not good, and thus it is not suitable for use in a wide range of households.

Therefore, the research on the sanitary towel with good ventilation effect and the functions of removing peculiar smell, resisting virus and resisting bacteria is a problem which needs to be solved by the technical personnel in the field.

Disclosure of Invention

In order to solve the above problems, the primary object of the present invention is to provide a method for preparing a functional chip for deodorizing and antibacterial of a sanitary napkin, wherein the method for preparing the functional chip comprises preparing a functional material capable of adsorbing odor, preparing an antibacterial and antiviral functional material, preparing a spunlace nonwoven fabric and preparing a functional sanitary napkin, so as to complete the preparation of the functional chip with the functions of deodorizing, antivirus and antibacterial, and provide a reliable guarantee for the sanitary napkin with the functions of deodorizing and antibacterial.

The invention also aims to provide a preparation method of the functional chip for deodorizing and resisting bacteria of the sanitary towel, which utilizes the adsorption performance of aluminum silicate to prepare dispersion liquid with the function of absorbing peculiar smell and combines the sterilization and antivirus functions of zirconium hydroxide, and the prepared functional chip of the sanitary towel has the functions of absorbing peculiar smell and resisting bacteria and viruses.

In order to achieve the above object, the technical solution of the present invention is as follows.

A preparation method of a functional chip for deodorizing and resisting bacteria of a sanitary towel comprises the following steps:

firstly, preparing a functional material for adsorbing peculiar smell, namely reacting inorganic aluminum salt with sodium silicate to obtain a precipitate, mixing the precipitate with aluminum ammonium sulfate or aluminum potassium sulfate, reacting the precipitate with ammonia water, preparing a dispersion solution from acrylic emulsion and glycerol, and preparing peculiar smell adsorbing slurry for fabric after-finishing;

in the step, the aluminum silicate obtained after the reaction is fused in acrylic emulsion and glycerol, and the dispersion liquid with the odor adsorption function is prepared by utilizing the adsorption performance of the aluminum silicate, so that the dispersion liquid is convenient to coat on non-woven fabrics.

Wherein, the inorganic aluminum salt is any one or any combination of aluminum sulfate, aluminum nitrate and aluminum chloride.

Further, respectively dissolving inorganic aluminum salt and sodium silicate in deionized water, and mixing the two for reaction;

further, the specific steps are as follows:

101. installing inorganic aluminum salt and sodium silicate 1: 1.1, respectively dissolving the materials in deionized water to prepare aqueous solution, then dropwise adding the aqueous solution of sodium silicate into the aqueous solution of inorganic aluminum salt while stirring, and filtering and washing to obtain a filter cake after the reaction is finished;

102. adding aluminum ammonium sulfate with the weight 1.5-2 times that of the inorganic aluminum salt into deionized water, adding the filter cake obtained in the step 101, stirring uniformly, adding ammonia water with the mass of the aluminum ammonium sulfate 1/2 while stirring, and continuously stirring until uniform to obtain a mixed solution;

103. adding glycerol with the mass of inorganic aluminum salt 2/5-1/2 into the mixed liquid obtained in the step 102, and fully stirring to obtain suspension;

104. adding acrylic emulsion with the mass of inorganic aluminum salt 1/2-3/5 into the suspension obtained in the step 103, and fully stirring to obtain the odor adsorption slurry.

Preparing an antibacterial and antiviral functional material, namely preparing zirconium hydroxide sol by adopting zirconium oxychloride, sodium carbonate and ammonia water, and adjusting the pH value by using glacial acetic acid until the zirconium hydroxide sol is transparent; dissolving cyclodextrin and chloroformic acid, and adding to obtain antibacterial and antiviral finishing agent; zirconium hydroxide has certain alkalinity, bring the environment that can't grow for virus or bacterium, can sterilize the virus, but it has certain irritability to skin, for this reason, through the addition of cyclodextrin, clorim acid, can make zirconium hydroxide collosol be coated, can keep the stability of the antibacterial virus to exert, it is lasting effective, can avoid the direct contact with skin, avoid the irritation to skin;

further, the specific steps are as follows:

201. weighing 100 parts of zirconium oxychloride in parts by mass, dissolving in deionized water, weighing 40-45 parts of sodium carbonate, and dissolving in deionized water;

202. slowly dripping the sodium carbonate aqueous solution into zirconium oxychloride aqueous solution to obtain white precipitated sodium zirconate, and taking out a sodium zirconate filter cake after washing.

203. Adding a proper amount of deionized water into the sodium zirconate filter cake, fully stirring, and adding 60-80 g of ammonia water into the mixture to prepare sol.

204. Adjusting with glacial acetic acid, and slowly adding dropwise until the solution is transparent to obtain a transparent liquid.

205. And (3) weighing 5-10 parts of cyclodextrin and 10-15 parts of clorine, dissolving in deionized water, and adding into the transparent liquid obtained in the step 204 after dissolving to prepare the antibacterial and antiviral functional finishing agent.

Preparing spunlace non-woven fabrics, wherein the non-woven fabrics adopt a twice sizing technology, the sizing is performed for the first time to perform peculiar smell adsorption functional finishing, and the sizing is performed for the second time to perform antibacterial and antiviral functional finishing; the two-time sizing technology can ensure that the function of absorbing peculiar smell and the antibacterial and antiviral functions are attached to the same non-woven fabric in different coating forms;

wherein, the raw material of the non-woven fabric is PET short fiber with copper ion antibacterial function, and cross lapping is carried out; so that the adhesive force is enough to ensure that the functional materials which are sized twice can be attached to the non-woven fabric.

Further, the specific steps are as follows:

301. 70-80% of cuprous oxide antibacterial powder fiber is added according to the weight ratio, the viscose fiber accounts for 20-30% of the functional fiber, and the mixture is crossly lapped after passing through a carding machine and then is spun-laced and punched into 20-40 mesh non-woven fabric;

302. adsorbing odor slurry for the first time, and mixing the odor adsorption slurry and the spunlace slurry according to the ratio of 1: 10, the spunlace pulp is acrylic pulp which is normally used in spunlace production, and the odor adsorption pulp is directly added.

303. After the spunlace non-woven fabric which is finished by the first odor adsorption slurry is soaked and bound, the spunlace non-woven fabric needs to be dried by a hot roller barrel at the temperature of 180 ℃ and 200 ℃;

304. performing secondary function finishing, namely antibacterial and antiviral function finishing, according to the weight ratio of 1.5-3: adding 100 mass percent of the finishing agent with the antibacterial and antiviral functions into water directly, and drying the spunlace non-woven fabric subjected to the first treatment of odor adsorption slurry by a hot rolling barrel at the temperature of 180 ℃ after the spunlace non-woven fabric is soaked and pricked.

And step four, preparing a sanitary towel functional chip, namely cutting the non-woven fabric into a rectangle with the width of 2.5-5cm and the length of 6-10cm according to the size of the sanitary towel to obtain the sanitary towel functional chip with the functions of removing peculiar smell and resisting bacteria.

The invention has the following beneficial effects:

this application adopts the functional chip of the form preparation sanitary towel of multi-functional combination, will have the functional material preparation of adsorbing the peculiar smell, and antibiotic, antiviral functional material combines together, has multi-functional characteristics, and can closely combine with current water thorn non-woven fabrics preparation and functional sanitary towel, accomplishes the preparation of removing peculiar smell, antiviral, antibiotic function's sanitary towel.

According to the invention, the dispersion liquid with the peculiar smell adsorption function is prepared by utilizing the adsorption performance of aluminum silicate, and the peculiar smell adsorption and sterilization antiviral function chips are prepared by utilizing a unique visual angle by combining the sterilization antiviral effect of zirconium hydroxide, so that the reliable guarantee of peculiar smell adsorption and sterilization antiviral is provided for the subsequent sanitary towel preparation; and the preparation process of the method is simple and bright, is easy to realize, and can realize the manufacture of functional chips in large batch at low cost.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The preparation method of the functional chip for deodorizing and resisting bacteria of the sanitary towel comprises the following steps:

in the step, the inorganic aluminum salt is any one or any combination of aluminum sulfate, aluminum nitrate and aluminum chloride. The aluminum silicate obtained after the reaction is fused in acrylic emulsion and glycerol, and the dispersion liquid with the function of absorbing peculiar smell is prepared by utilizing the adsorption performance of the aluminum silicate, so that the dispersion liquid is convenient to coat on non-woven fabrics.

Preparing an antibacterial and antiviral functional material, namely preparing zirconium hydroxide sol by adopting zirconium oxychloride, sodium carbonate and ammonia water, and adjusting the pH value by using glacial acetic acid until the zirconium hydroxide sol is transparent; dissolving cyclodextrin and chloroformic acid, and adding to obtain antibacterial and antiviral finishing agent; particularly, the zirconium hydroxide sol can be coated by adding the cyclodextrin and the cloroxen acid, so that the stability of antibiosis and antivirus can be kept and the effect is durable and effective.

Preparing spunlace non-woven fabrics, wherein the raw materials of the non-woven fabrics are PET short fibers with copper ion-containing antibacterial function, and cross lapping; so that the adhesive force is enough, and the functional materials which are sized twice can be attached to the non-woven fabric; the two-time sizing technology is adopted, the first sizing is carried out for odor adsorption functional finishing, and the second sizing is carried out for antibacterial and antiviral functional finishing; the two sizing technologies can ensure that the odor adsorption function and the antibacterial and antiviral functions are attached to the same non-woven fabric in different coating forms.

And step four, preparing a functional chip of the sanitary towel, namely cutting the non-woven fabric into a rectangle with the size of 3cm and 6cm, namely the functional chip of the sanitary towel.

The first embodiment.

The preparation method of the odor adsorption slurry comprises the following steps:

1. dissolving 100 g of aluminum sulfate in 200mL of deionized water, dissolving 110 g of sodium silicate in 200 g of deionized water, dropwise adding the sodium silicate aqueous solution into the aluminum sulfate aqueous solution while stirring, and continuously stirring for 30 minutes after dropwise adding, so that the aluminum sulfate aqueous solution and the sodium silicate aqueous solution react to generate Al (OH)3 precipitate. Then filtering and washing, and fully washing.

2. Adding 200 g of aluminum ammonium sulfate into 200 g of deionized water, adding the filter cake obtained in step 1, stirring uniformly, adding 100 g of ammonia water while stirring, and continuing stirring until the mixture is uniform.

3. Add 40 g of glycerol to 2 and stir well.

4. To 3, 60 g of an acrylic emulsion was added, and the mixture was sufficiently stirred.

5. And (4) after the product obtained in the step (4) is subjected to colloid polishing, a uniform colloid turbid liquid is formed, and the peculiar smell adsorption slurry is obtained.

6. In order to increase the washing resistance of the odor adsorption pulp, a sizing agent is matched, and the step is not necessary and is optional.

Step two, a preparation method of the antibacterial and antiviral functional finishing agent, which comprises the following steps:

1. 100 grams of zirconium oxychloride was weighed and dissolved in 200 grams of deionized water, and 40 grams of sodium carbonate was weighed and dissolved in 100 grams of water.

2. Slowly dropping the sodium carbonate aqueous solution into the zirconium oxychloride aqueous solution to obtain a white precipitate, and taking out a filter cake after washing.

3. 100 g of deionized water was added to the filter cake, and the mixture was stirred sufficiently, and 70 g of ammonia water was added thereto to prepare a sol.

4. Adjusting with glacial acetic acid, and slowly adding dropwise until the solution is transparent.

5. 5 g of cyclodextrin and 12 g of clorine are weighed and dissolved in 50 g of deionized water, and the dissolved mixture is added into the liquid to prepare the antibacterial and antiviral functional finishing agent.

Step three, preparing non-woven fabric, wherein the step comprises the following steps:

1. 70 percent of the cuprous oxide antibacterial powder fiber is added according to the weight ratio, and the viscose fiber accounts for 30 percent of the functional fiber. Cross lapping after carding machine, and water-jetting and punching to obtain 20-mesh non-woven fabric.

2. The odor adsorption slurry is added for the first time according to the proportion of 10Kg/100Kg of slurry, and the spunlace slurry is acrylic slurry normally used in spunlace production. The odor adsorbing slurry is directly added.

3. The spunlace non-woven fabric subjected to the first odor adsorption slurry finishing is soaked and bound, and then is dried by a hot drum at the temperature of 180-200 ℃ to perform the second functional finishing.

4. And (3) finishing the antibacterial and antiviral functions, namely directly adding 1.5Kg of antibacterial and antiviral finishing agent into 100Kg of water, immersing the spunlace non-woven fabric finished by the first odor adsorption slurry, and drying the spunlace non-woven fabric in a hot rolling barrel at the temperature of 200 ℃ and 180-.

And step four, cutting the functional chip into a rectangle with the width of 2.5cm and the length of 6 cm.

Through practical detection, the antiviral indexes of the functional chip are as follows:

antibacterial

And step five, preparing the sanitary towel, namely placing the functional chip between the skin-friendly breathable surface layer and the absorption layer of the conventional sanitary towel to obtain the sanitary towel with the peculiar smell adsorption function and the antibacterial and antiviral functions.

Example two.

1. dissolving 100 g of aluminum nitrate in 200mL of deionized water, dissolving 110 g of sodium silicate in 200 g of deionized water, dropwise adding the aqueous solution of sodium silicate into the aqueous solution of aluminum nitrate while stirring, and continuously stirring for 30 minutes after dropwise adding, wherein the two react to generate Al (OH)3 precipitate. Then filtering and washing, and fully washing.

2. Adding 150 g of aluminum ammonium sulfate into 200 g of deionized water, adding the filter cake obtained in step 1, stirring uniformly, adding 75 g of ammonia water while stirring, and continuing stirring until the mixture is uniform.

3. Add 50 g of glycerol to 2 and stir well.

4. To 3, 50 g of an acrylic emulsion was added, and the mixture was sufficiently stirred.

1. 100 grams of zirconium oxychloride was weighed and dissolved in 200 grams of deionized water, and 45 grams of sodium carbonate was weighed and dissolved in 100 grams of water.

3. 100 g of deionized water was added to the filter cake, and the mixture was stirred well, and 80 g of ammonia water was added thereto to prepare a sol.

5. Weighing 10 g of cyclodextrin and 10 g of clorine, dissolving in 50 g of deionized water, adding into the liquid after dissolving, and preparing the antibacterial and antiviral functional finishing agent.

1. 80% of cuprous oxide antibacterial powder fiber is added according to the weight ratio, and the viscose fiber accounts for 20% of the functional fiber. Cross lapping after carding machine, and water-jetting and punching to obtain 40-mesh non-woven fabric.

4. And (3) finishing the antibacterial and antiviral functions, namely directly adding 3Kg of antibacterial and antiviral finishing agent into 100Kg of water, immersing and rolling the spunlace non-woven fabric finished by the first odor adsorption slurry, and drying the spunlace non-woven fabric in a hot rolling barrel at the temperature of 200 ℃ in the presence of 180-.

And step four, cutting the functional chip into a rectangle with the size of 5cm wide and 10cm long.

Example three.

1. dissolving 100 g of aluminum chloride in 200mL of deionized water, dissolving 110 g of sodium silicate in 200 g of deionized water, dropwise adding the aqueous solution of sodium silicate into the aqueous solution of aluminum chloride while stirring, and continuously stirring for 30 minutes after dropwise adding, wherein the two react to generate Al (OH)3 precipitate. Then filtering and washing, and fully washing.

2. Adding 180 g of aluminum ammonium sulfate into 220 g of deionized water, adding the filter cake obtained in step 1, stirring uniformly, adding 90 g of ammonia water while stirring, and continuing stirring until the mixture is uniform.

3. Add 45 g of glycerol to 2 and stir well.

4. To 3, 55 g of an acrylic emulsion was added, and the mixture was sufficiently stirred.

1. 100 grams of zirconium oxychloride was weighed and dissolved in 200 grams of deionized water, and 43 grams of sodium carbonate was weighed and dissolved in 100 grams of water.

3. 100 g of deionized water was added to the filter cake, and the mixture was stirred sufficiently, and 75 g of ammonia water was added thereto to prepare a sol.

5. Weighing 8 g of cyclodextrin and 15 g of clorine, dissolving in 60 g of deionized water, adding into the liquid after dissolving, and preparing the antibacterial and antiviral functional finishing agent.

1. 75 percent of cuprous oxide antibacterial powder fiber and 25 percent of viscose fiber are added according to the weight ratio. Cross lapping after carding machine, and water-jetting and punching to obtain 20-mesh non-woven fabric.

4. And (3) finishing the antibacterial and antiviral functions, namely directly adding 2.5Kg of antibacterial and antiviral finishing agent into 100Kg of water, immersing the spunlace non-woven fabric finished by the first odor adsorption slurry, and drying the spunlace non-woven fabric in a hot rolling barrel at the temperature of 200 ℃ and 180-.

And step four, cutting the functional chip into a rectangle with the size of 3cm wide and 8cm long.

In a word, the invention utilizes the adsorption performance of aluminum silicate to prepare the dispersion liquid with the function of adsorbing peculiar smell, combines the sterilization and antivirus functions of zirconium hydroxide, and utilizes a unique visual angle to prepare the chip with the functions of adsorbing peculiar smell, sterilizing and resisting virus, thereby providing reliable guarantee of peculiar smell adsorption, sterilization and antivirus for the subsequent sanitary towel preparation; and the preparation process of the method is simple and bright, is easy to realize, and can realize the manufacture of functional chips in large batch at low cost.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A preparation method of a functional chip for deodorizing and resisting bacteria of a sanitary towel is characterized by comprising the following steps:

preparing an antibacterial and antiviral functional material, namely preparing zirconium hydroxide sol by adopting zirconium oxychloride, sodium carbonate and ammonia water, and adjusting the pH value by using glacial acetic acid until the zirconium hydroxide sol is transparent; dissolving cyclodextrin and chloroformic acid, and adding to obtain antibacterial and antiviral finishing agent;

2. The method for preparing a functional chip for removing odor and inhibiting bacteria of a sanitary napkin according to claim 1, wherein in the first step, the inorganic aluminum salt is any one or any combination of aluminum sulfate, aluminum nitrate and aluminum chloride.

3. The method for preparing a functional chip for removing odor and inhibiting bacteria of a sanitary napkin according to claim 2, wherein in the first step, the inorganic aluminum salt and the sodium silicate are respectively dissolved in deionized water and then mixed for reaction.

4. The method for preparing a functional chip for removing odor and resisting bacteria of a sanitary towel according to claim 3, wherein in the step one, further, the specific steps are as follows:

5. The method for preparing a functional chip for removing odor and resisting bacteria of a sanitary towel according to claim 1, wherein in the second step, further, the specific steps are as follows:

6. The method for preparing a functional chip for removing odor and resisting bacteria of a sanitary napkin according to claim 1, wherein in the third step, the raw material of the non-woven fabric is selected from PET short fibers with copper ion-containing antibacterial function, and cross-lapping is performed; so that the adhesive force is enough to ensure that the functional materials which are sized twice can be attached to the non-woven fabric.

7. The method for preparing a functional chip for removing odor and resisting bacteria of a sanitary towel according to claim 6, wherein in the third step,

further, the specific steps are as follows: