CN113616843A

CN113616843A - Alleviate sanitary towel of pruritus

Info

Publication number: CN113616843A
Application number: CN202110931509.8A
Authority: CN
Inventors: 黄诗华; 贝荣武; 覃丽
Original assignee: Dongguan Jinbaoli Sanitary Products Co ltd
Current assignee: Dongguan Jinbaoli Sanitary Products Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2021-11-09
Anticipated expiration: 2041-08-13
Also published as: CN113616843B

Abstract

The invention discloses a sanitary towel for relieving pruritus, which comprises a bottom layer, wherein an absorption layer is fixed on the bottom layer, a core layer is fixed on the absorption layer, a surface layer is also fixed on the absorption layer, the core layer comprises a traditional Chinese medicine composition and non-woven fabric, and the traditional Chinese medicine composition is prepared by the following steps: mixing and grinding radix sophorae flavescentis and fructus cnidii to obtain first powder, soaking the first powder in a first extraction solvent, filtering and drying to obtain a first extract, wherein the first extraction solvent is a combination of petroleum ether and ethyl acetate; mixing and grinding dandelion, mint, folium artemisiae argyi and phellodendron amurense to obtain second powder, decocting the second powder in a second extraction solvent, soaking, filtering and drying to obtain a second extract, wherein the second extraction solvent is a combination of ethanol and water; and (2) mixing water, polyethylene glycol A and an emulsifier to obtain a premix, adding the first extract and the second extract into the premix while stirring, and shearing to emulsify to obtain the traditional Chinese medicine composition. It has effects in relieving pruritus of female during menstrual period.

Description

Alleviate sanitary towel of pruritus

Technical Field

The invention relates to the field of sanitary products, in particular to a sanitary towel for relieving pruritus.

Background

The sanitary napkin is a sanitary article used in menstrual period, and the main material is high molecular polymer and high molecular polymer composite paper formed from cotton, non-woven fabric and paper pulp.

The sanitary towel mainly absorbs menstrual blood, secretion of women during menstruation contains a large amount of nutrient substances, the sanitary towel is easy to be in a humid and stuffy environment when in use, a large amount of bacteria are easy to breed, and the resistance of the women during the menstruation is reduced, so that the bacteria of the women during the menstruation easily invade the human body, and particularly patients with vaginal inflammation feel more obvious in itching and discomfort.

In order to reduce discomfort easily caused by female menstruation, a core layer of the sanitary towel with a bacteriostatic effect is additionally arranged under the surface layer of the sanitary towel. The traditional Chinese medicine is taken from natural medicines, has unique pharmacological activity, can help people to recuperate body and mind, and is favored by people. In the prior art, people usually apply traditional Chinese medicines in a sanitary towel core layer, so that the traditional Chinese medicines not only can play a certain role in sterilization and bacteriostasis, but also can help people to recuperate bodies to a certain extent, and are beneficial to physical and psychological health of people.

The traditional Chinese medicines are often used in a compatible manner to exert the effect to the maximum extent, but after different traditional Chinese medicines are combined, the bacteriostatic effect is not obvious or even the bacteriostatic effect is reduced, the traditional Chinese medicines are complex in components, and various traditional Chinese medicine compositions can stimulate the skin of a human body while playing a bactericidal effect, so that people are allergic, and therefore, the sanitary towel which is used for relieving the menstrual pruritus of women and has the human body temperature is required to be provided.

Disclosure of Invention

In order to help women relieve the pruritus generated in the menstrual period and reduce the stimulation of the traditional Chinese medicine composition to the skin, the application provides the sanitary towel for relieving the pruritus.

The utility model provides an alleviate sanitary towel of pruritus, includes the bottom, be fixed with the absorbed layer on the bottom, the absorbed layer is kept away from bottom one side and is fixed with the sandwich layer, the absorbed layer is kept away from bottom one side and still is fixed with the top layer, the sandwich layer is located between absorbed layer and the top layer, the sandwich layer includes traditional chinese medicine composition and non-woven fabrics, traditional chinese medicine composition is obtained by following step preparation: step (1), extraction: mixing and grinding 24-28 parts of radix sophorae flavescentis and 18-22 parts of fructus cnidii according to the mass parts until the particle size is 200-400 meshes to obtain first powder, wherein the first powder and a first extraction solvent are mixed according to the weight ratio of 1 g: (7-12) mixing the raw materials in a ratio of mL, soaking at 35-45 ℃ for 120-200h, filtering to obtain a filtrate, and drying the filtrate to obtain a first extract, wherein the first extraction solvent is a combination of petroleum ether and ethyl acetate according to a mass ratio of (5-8): 1; mixing and grinding 18-22 parts of dandelion, 18-22 parts of mint, 18-22 parts of folium artemisiae argyi and 18-22 parts of phellodendron amurense in parts by mass until the particle size is 200-400 meshes to obtain second powder, mixing the second powder with a second extraction solvent, decocting for 2-4h at 60-70 ℃, then soaking for 60-90h at 30-40 ℃, filtering to obtain a filtrate, and drying the filtrate to obtain a second extract, wherein the second extraction solvent is a combination of ethanol and water according to the mass ratio of (2-3) to 1;

step (2), according to the mass parts, 60-80 parts of water, 10-20 parts of polyethylene glycol A and 3-5 parts of emulsifier are mixed in advance to form a premix, the molecular weight of the polyethylene glycol A is 4000-6000, 18-22 parts of the first extract and 18-22 parts of the second extract are added into the premix while stirring, and the mixture is cut to be emulsified, so that the traditional Chinese medicine composition is obtained.

The first extraction solvent is used for extracting the ground radix sophorae flavescentis and fructus cnidii, and the second extraction solvent is used for extracting the ground dandelion, the mint, the folium artemisiae argyi and the golden cypress, so that active ingredients in the medicines can be reserved to a large extent, meanwhile, the impurity content in the medicines can be reduced, and the condition that skin allergy is caused by impurities in the medicines is further reduced. The first extract, the second extract, water, polyethylene glycol and an emulsifier are cut to be emulsified, so that active ingredients in the radix sophorae flavescentis, the fructus cnidii, the dandelion, the mint, the folium artemisiae argyi and the cortex phellodendri are compounded according to a certain concentration proportion to generate a better synergistic antibacterial effect, the generation of female menstrual itching discomfort is reduced, in the using process, the active ingredients in the radix sophorae flavescentis, the fructus cnidii, the dandelion, the mint, the folium artemisiae argyi and the cortex phellodendri can volatilize and permeate into the human body, and the medicinal active ingredients have better effects of clearing heat and removing toxicity, killing insects and relieving itching after synergistic coordination, so that the pruritus caused by vaginal inflammation can be relieved to a certain extent, and further the discomfort caused by vaginal inflammation during menstruation is relieved. By adding the emulsifier, the polyethylene glycol can be uniformly mixed with the first extract and the second extract, so that the irritation of the traditional Chinese medicine composition is reduced, the traditional Chinese medicine composition is milder, and the irritation to a human body is not easy to generate, and people are not easy to feel uncomfortable in the using process.

In conclusion, the traditional Chinese medicine composition adopted by the application is simple in formula, and after the traditional Chinese medicine composition is used as a sanitary towel core layer, menstrual pruritus can be relieved obviously, so that the traditional Chinese medicine composition is beneficial to industrial production and popularization.

Preferably, the preparation method of the core layer comprises the following steps: the non-woven fabric is prepared by mixing the following raw materials in a bath ratio of 1: 20-30 soaking in the Chinese medicinal composition, and oven drying to obtain core layer.

Preferably, in the preparation method of the core layer, after the pure cotton non-woven fabric is dried, polyethylene glycol B liquid is adopted to wrap the non-woven fabric, and the polyethylene glycol B liquid is solidified to obtain the core layer, wherein the average molecular weight of the polyethylene glycol B is 800-900.

The surface of the core layer is coated by the polyethylene glycol B, so that the active components of the traditional Chinese medicine composition are not easy to volatilize, and further, the active components of the traditional Chinese medicine composition are not easy to volatilize and lose during the storage period of the sanitary towel. When the sanitary towel is used, the sanitary towel absorbs menstrual secretion to increase the water content of the sanitary towel, the polyethylene glycol B on the surface of the core layer is quickly dissolved to expose the core layer, the volatilization of the active composition of the traditional Chinese medicine composition is not influenced by the polyethylene glycol B, and the traditional Chinese medicine composition plays a better effect of relieving menstrual pruritus.

Preferably, the emulsifier is a polyglyceryl fatty acid ester.

The emulsifier is polyglycerol fatty acid ester, so that the mixing effect of the polyethylene glycol and the active ingredients in the radix sophorae flavescentis, the fructus cnidii, the dandelion, the mint, the folium artemisiae argyi and the golden cypress is better, and the traditional Chinese medicine composition is milder and is not irritant.

Preferably, the rotation speed of the shearing is 4000-.

The rotation speed of the shearing is 4000-.

Preferably, the non-woven fabric is a pure cotton non-woven fabric.

The pure cotton non-woven fabric is used as a matrix for carrying the traditional Chinese medicine composition, so that the absorption and volatilization effects of the traditional Chinese medicine composition are better, and the symptom relieving effect of menstrual pruritus is better.

Preferably, the surface layer is a hydrophilic non-woven fabric, and a plurality of air holes are uniformly penetrated through the hydrophilic non-woven fabric.

Through the top layer for hydrophilic non-woven fabrics for the effect preferred that absorbs water on top layer, and because there are a plurality of bleeder vents on the top layer, can improve the gas permeability of sanitary towel on the one hand, reduce the stifle that produces in the sanitary towel use and catch up with, on the other hand is favorable to volatile traditional chinese medicine composition to volatilize and is carried into the human body, helps people to alleviate the pruritus symptom that the vaginitis brought.

Preferably, the water absorption layer comprises water absorption paper and water absorption non-woven fabrics, the water absorption paper is rectangular, the water absorption paper overlaps with the center of the water absorption non-woven fabrics, and the two sides of the water absorption non-woven fabrics are folded towards the water absorption paper and wrap the water absorption paper in the water absorption non-woven fabrics.

Through adopting the non-woven fabrics that absorbs water to wrap up the paper that absorbs water, the menstrual blood is through the non-woven fabrics that absorbs water again earlier, in the big use of menstrual flow, the non-woven fabrics that absorbs water has certain cushioning effect, it is more even to make the paper that absorbs water absorb the menstrual blood, the paper that absorbs water is difficult for absorbing the excessive deformation of menstrual blood because of the part, the paper parcel that absorbs water simultaneously is in the paper that absorbs water, the paper that absorbs water is difficult for appearing the swelling phenomenon even damage yet, make sanitary towel non-deformable in the use, the menstrual blood is difficult for spilling yet, people's wearing comfort has greatly been improved.

Preferably, the side edge of the surface layer is fixed with a protective wing, the bottom layer, the absorption layer, the surface layer and the protective wing are overlapped from bottom to top, and the bottom layer, the absorption layer, the surface layer and the protective wing are pressed and fixed through hot pressing.

Through fixing bottom, absorbed layer, top layer and flap hot pressing for the cooperation effect preferred of each layer in the sanitary towel is favorable to improving people's use comfort.

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

1. after active ingredients in the radix sophorae flavescentis, the fructus cnidii, the dandelion, the mint, the folium artemisiae argyi and the golden cypress are compounded according to a certain concentration proportion, a better synergistic antibacterial effect is achieved, and the generation of female menstrual itching and discomfort feeling is reduced.

2. The surface of the core layer is coated by the polyethylene glycol B, so that the active components of the traditional Chinese medicine composition are not easy to volatilize and lose during the storage period of the sanitary towel, but when the sanitary towel is used, the sanitary towel absorbs menstrual secretion to increase the water content of the sanitary towel, so that the polyethylene glycol B is dissolved, the active components of the traditional Chinese medicine composition are normally volatilized, and the storage period of the sanitary towel is prolonged.

3. Through adopting the non-woven fabrics that absorbs water to wrap up the paper that absorbs water, in the big use of menses volume, the non-woven fabrics that absorbs water has certain cushioning effect, and the paper that absorbs water is difficult for because of local absorption menses excess deformation, swell damage phenomenon even, has greatly improved people's wearing comfort.

Detailed Description

In the present application, the molecular weight of polyethylene glycol A is 800-.

Example 1

The utility model provides an alleviate sanitary towel of pruritus, includes the bottom, is fixed with the absorbed layer on the bottom, and the center department that the bottom one side was kept away from to the absorbed layer is fixed with the sandwich layer, and the bottom one side is kept away from to the absorbed layer still is fixed with the top layer, and the side on top layer is fixed with the flap, and bottom, absorbed layer, top layer and flap are fixed with bottom, absorbed layer, top layer and flap pressfitting through the hot pressing by supreme stack down.

The bottom is formed by non-woven fabrics and waterproof layer hot pressing complex, and the waterproof layer material can be waterproof paper or polyethylene film to make the bottom have the waterproof function of preferred, have certain intensity simultaneously, prevent the effect preferred that the menses spilt.

The center of one side of the bottom layer, which is far away from the absorption layer, is also compounded with a release paper layer, and the release paper layer and the bottom layer are bonded through glue.

The water absorption layer consists of water absorption paper and water absorption non-woven fabrics, the water absorption paper is rectangular, the water absorption paper is overlapped with the center of the water absorption non-woven fabrics, and two sides of the water absorption non-woven fabrics are folded towards the water absorption paper and wrap the water absorption paper in the water absorption non-woven fabrics.

The surface layer is hydrophilic non-woven fabric, and a plurality of air holes are uniformly distributed on the hydrophilic non-woven fabric.

The core layer is arranged between the absorption layer and the surface layer, the core layer is composed of the traditional Chinese medicine composition and pure cotton non-woven fabric, and the preparation method of the core layer is as follows: pure cotton non-woven fabric is processed by mixing the following raw materials in a bath ratio of 1: 20 soaking in the Chinese medicinal composition, taking out, and oven drying at 50 deg.C to obtain core layer.

The preparation method of the traditional Chinese medicine composition comprises the following steps:

step (1), extraction: mixing and grinding 2.4kg of radix sophorae flavescentis and 1.8kg of fructus cnidii until the particle size is 400 meshes to obtain first powder, wherein the first powder and a first extraction solvent are mixed according to a ratio of 1 g: mixing the raw materials in a proportion of 12mL, soaking at 45 ℃ for 120h, filtering to obtain a filtrate, and drying the filtrate to obtain a first extract, wherein a first extraction solvent is a combination of petroleum ether and ethyl acetate according to a mass ratio of 8: 1;

mixing and grinding 2.2kg of dandelion, 2.2kg of mint, 2.2kg of folium artemisiae argyi and 2.2kg of phellodendron amurense until the particle size is 400 meshes to obtain second powder, mixing the second powder with a second extraction solvent, decocting for 2 hours at 70 ℃, then soaking for 90 hours at 30 ℃, filtering to obtain filtrate, and drying the filtrate at 50 ℃ to obtain a second extract, wherein the second extraction solvent is a combination of ethanol and water according to the mass ratio of 3: 1;

and (2) emulsifying: premixing 6kg of water, 1kg of polyethylene glycol A and 0.3kg of polyglycerol fatty acid ester to form a premix, wherein the molecular weight of the polyethylene glycol A is 4000, adding 1.8kg of the first extract and 1.8kg of the second extract into the premix while stirring, and shearing until emulsification, wherein the shearing speed is 4000r/min, and the shearing time is 10min to obtain the traditional Chinese medicine composition.

Example 2

The difference from example 1 is that: in the preparation method of the core layer, after drying at the low temperature of 50 ℃, polyethylene glycol B is heated to 40 ℃ until the polyethylene glycol B is melted to obtain polyethylene glycol B liquid, the liquid polyethylene glycol B is uniformly coated on the surface of the pure cotton non-woven fabric, and the pure cotton non-woven fabric is naturally cooled, solidified and wrapped by the polyethylene glycol B to obtain the core layer. The polyethylene glycol B is polyethylene glycol 800.

Example 3

The difference from example 2 is that: in the preparation method of the core layer, the pure cotton non-woven fabric is prepared by mixing the following components in a bath ratio of 1: 30 soaking in the Chinese medicinal composition, taking out, drying at 40 deg.C, heating polyethylene glycol B to 45 deg.C until the polyethylene glycol B melts to obtain polyethylene glycol B liquid, uniformly coating the liquid polyethylene glycol B on the surface of the pure cotton non-woven fabric, naturally cooling, solidifying the polyethylene glycol B, and wrapping the pure cotton non-woven fabric to obtain the core layer. Polyethylene glycol B is polyethylene glycol 900.

Example 4

The difference from example 3 is that: the preparation method of the traditional Chinese medicine composition comprises the following steps:

step (1), extraction: mixing and grinding 2.8kg of radix sophorae flavescentis and 2.2kg of fructus cnidii until the particle size is 200 meshes to obtain first powder, wherein the first powder and a first extraction solvent are mixed according to a ratio of 1 g: mixing 7mL of the extract, soaking at 35 ℃ for 200h, filtering to obtain a filtrate, and drying the filtrate to obtain a first extract, wherein the first extraction solvent is a combination of petroleum ether and ethyl acetate according to a mass ratio of 5: 1;

mixing and grinding 1.8kg of dandelion, 1.8kg of mint, 1.8kg of folium artemisiae argyi and 1.8kg of phellodendron amurense until the particle size is 200 meshes to obtain second powder, mixing the second powder with a second extraction solvent, decocting for 4 hours at 60 ℃, then soaking for 60 hours at 40 ℃, filtering to obtain filtrate, and drying the filtrate at 45 ℃ to obtain a second extract, wherein the second extraction solvent is a combination of ethanol and water according to the mass ratio of 2: 1;

and (2) emulsifying: premixing 8kg of water, 2kg of polyethylene glycol A and 0.5kg of polyglycerol fatty acid ester to form a premix, wherein the molecular weight of the polyethylene glycol A is 3000, adding 2kg of the first extract and 2kg of the second extract into the premix while stirring, and shearing to emulsify, wherein the shearing speed is 6000r/min, and the shearing time is 5min to obtain the traditional Chinese medicine composition.

Comparative example 1

The difference from example 1 is that: in the step (1), 2.4kg of radix sophorae flavescentis, 1.8kg of fructus cnidii, 2.2kg of dandelion, 2.2kg of mint, 2.2kg of folium artemisiae argyi and 2.2kg of cortex phellodendri are mixed and ground until the particle size is 400 meshes to obtain first powder, and the first powder and a first extraction solvent are mixed according to a ratio of 1 g: mixing the raw materials at a ratio of 12mL, soaking at 45 ℃ for 120h, filtering to obtain a filtrate, and drying the filtrate to obtain a first extract, wherein the first extraction solvent is a combination of petroleum ether and ethyl acetate according to a mass ratio of 8: 1.

Comparative example 2

The difference from example 1 is that: in the step (1), 5kg of phellodendron bark is adopted to replace 2.4kg of phellodendron bark.

Comparative example 3

The difference from example 1 is that: in step (2), 5kg of the second extract was used instead of 1.8kg of the second extract.

Comparative example 4

The difference from example 1 is that: equal amount of water was used to replace polyethylene glycol a.

Experiment of

A subject: the experiment was divided into 3 groups of subjects, the 1 st group was 16 subjects with no pruritus and no vaginitis in the menstrual period, the 2 nd group was 16 subjects with pruritus and no vaginitis in the menstrual period, and the 3 rd group was 16 subjects with pruritus and slight vaginitis in the menstrual period. In each group, 2 persons were a small group of 8 persons, and each group was used to test the sanitary napkin samples prepared in the examples and comparative examples.

Sanitary napkin samples: storing for 3 months at 25 + -2 deg.C and 85 + -1% humidity.

And (3) testing time: 3 months menstruation period.

The test method comprises the following steps: when the menstruation comes, the menstruation quantity is more than the standard quantity, and the menstruation quantity is changed every 2-3h, and when the menstruation quantity is less than the standard quantity, the menstruation quantity is changed every 4-5 h.

And (3) judging the irritation: the symptoms of irritation and discomfort are felt as I, the symptoms of slight irritation or discomfort are felt as II, and the symptoms of intense irritation and discomfort are felt as III.

The therapeutic effect was evaluated as shown in table 1.

TABLE 1

Situation(s)	Marking
		No itching discomfort	0
1. After two days of use, the menstrual pruritus completely disappears	1
		2. After two days, pruritus is improved, and after 1 cycle, pruritus in menstrual period disappears	2
3. After two days of use, the pruritus is slightly improved, and after 2 cycles of use, the pruritus in the menstrual period disappears	3
		4. Use ofAfter two days, the pruritus is slightly improved, and after 3 cycles of use, the pruritus in the menstrual period disappears	4
5. The pruritus is relieved and does not disappear	5
		6. The itching is not relieved	6

The results of the irritation judgment and the therapeutic effect judgment are shown in Table 2.

TABLE 2

According to the comparison between the comparative example 1 and the example 1 in the table 2, the pulverized radix sophorae flavescentis and fructus cnidii are extracted by the first extraction solvent, and the pulverized dandelion, mint, folium artemisiae argyi and cortex phellodendri are extracted by the second extraction solvent, so that the effect of relieving itching of a subject is good after the subject uses the extract, and the active ingredients of the medicines can be well separated by the traditional Chinese medicine extraction method in the example 1, so that the effect of synergistic treatment between the medicines is good, the subject is helped to relieve discomfort of pruritus in menstrual period, and meanwhile, the irritation caused by impurities in the traditional Chinese medicine composition is reduced due to the fact that the irritation caused by the use of the sanitary towel is reduced.

According to comparison between comparative examples 2-3 and example 1 in table 2, the test subjects showed improved itch relieving effect by using a specific ratio of phellodendron bark to flavescent sophora root, dandelion, mint, mugwort leaf and cnidium fruit, and the results showed that the itch relieving effect in menstrual period was better when phellodendron bark was used in combination with flavescent sophora root, dandelion, mint, mugwort leaf and cnidium fruit in a specific ratio.

According to the comparison between the comparative example 4 and the example 1 in the table 2, the irritation of the traditional Chinese medicine composition to the human body is reduced by adding the polyethylene glycol A under the condition that the effect of relieving the pruritus of the subject is not easily affected, so that the use comfort of the subject is improved.

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. A sanitary napkin for relieving itching, comprising: the absorbing layer is fixed on the bottom layer, the absorbing layer is fixed with the sandwich layer away from the bottom one side, the absorbing layer is kept away from the bottom one side and is still fixed with the top layer, the sandwich layer is located between absorbing layer and the top layer, the sandwich layer includes traditional Chinese medicine composition and non-woven fabrics, traditional Chinese medicine composition is obtained by following step preparation: step (1), mixing and grinding 24-28 parts of radix sophorae flavescentis and 18-22 parts of fructus cnidii according to parts by mass until the particle size is 200-400 meshes to obtain first powder, wherein the first powder and a first extraction solvent are mixed according to a ratio of 1 g: (7-12) mixing the raw materials in a ratio of mL, soaking at 35-45 ℃ for 120-200h, filtering to obtain a filtrate, and drying the filtrate to obtain a first extract, wherein the first extraction solvent is a combination of petroleum ether and ethyl acetate according to a mass ratio of (5-8): 1;

mixing and grinding 18-22 parts of dandelion, 18-22 parts of mint, 18-22 parts of folium artemisiae argyi and 18-22 parts of phellodendron amurense in parts by mass until the particle size is 200-400 meshes to obtain second powder, mixing the second powder with a second extraction solvent, decocting for 2-4h at 60-70 ℃, then soaking for 60-90h at 30-40 ℃, filtering to obtain a filtrate, and drying the filtrate to obtain a second extract, wherein the second extraction solvent is a combination of ethanol and water according to the mass ratio of (2-3) to 1;

2. A sanitary napkin for relieving itching according to claim 1, wherein: the preparation method of the core layer comprises the following steps: the non-woven fabric is prepared by mixing the following raw materials in a bath ratio of 1: 20-30 soaking in the Chinese medicinal composition, and oven drying to obtain core layer.

3. A sanitary napkin for relieving itching according to claim 2, wherein: in the preparation method of the core layer, after the non-woven fabric is dried, polyethylene glycol B liquid is adopted to wrap the non-woven fabric, and the polyethylene glycol B liquid is solidified to obtain the core layer, wherein the average molecular weight of the polyethylene glycol B is 800-900.

4. A sanitary napkin for relieving itching according to claim 2 or 3, wherein: the non-woven fabric is pure cotton non-woven fabric.

5. A sanitary napkin for relieving itching according to claim 1, wherein: the emulsifier is polyglycerol fatty acid ester.

6. A sanitary napkin for relieving itching according to claim 1, wherein: in the process from the shearing to the emulsification, the rotating speed of the shearing is 4000-6000r/min, and the time of the shearing is 5-10 min.

7. A sanitary napkin for relieving itching according to claim 1, wherein: the surface layer is a hydrophilic non-woven fabric, and a plurality of air holes are uniformly penetrated through the hydrophilic non-woven fabric.

8. A sanitary napkin for relieving itching according to claim 1, wherein: the water absorbing layer is composed of water absorbing paper and water absorbing non-woven fabrics, the water absorbing paper is rectangular, the water absorbing paper is overlapped with the center of the water absorbing non-woven fabrics, and the two sides of the water absorbing non-woven fabrics are folded towards the water absorbing paper and wrap the water absorbing paper in the water absorbing non-woven fabrics.

9. A sanitary napkin for relieving itching according to claim 1, wherein: the side of the surface layer is fixed with a protective wing, the bottom layer, the absorption layer, the surface layer and the protective wing are overlapped from bottom to top, and the bottom layer, the absorption layer, the surface layer and the protective wing are fixed in a pressing mode through hot pressing.