CN115466500A

CN115466500A - Degradable cosmetic cotton and preparation method thereof

Info

Publication number: CN115466500A
Application number: CN202211168612.2A
Authority: CN
Inventors: 穆金花
Original assignee: Dongguan Karina Cosmetics Co ltd
Current assignee: Dongguan Karina Cosmetics Co ltd
Priority date: 2022-09-24
Filing date: 2022-09-24
Publication date: 2022-12-13

Abstract

The application provides a degradable cosmetic sponge and a preparation method thereof, and relates to the technical field of cosmetics. The degradable cosmetic cotton comprises the following raw materials in parts by weight: 90-100 parts of biological polyurethane, 1.5-5.5 parts of vegetable oil and 0.5-1.5 parts of water. The degradable cosmetic floss is prepared based on the biological polyurethane material, the structure of the material is not damaged in the production process, so that the degradable cosmetic floss can be prepared finally, the degradation rate of more than 95.4 percent of the weight of a product can be achieved within 180 days under natural conditions or industrial composting conditions, the cosmetic floss can not burden the environment after being used, and the environment is protected. And the cosmetic cotton has good resilience, can expand and soften when meeting water, and is suitable for makeup, face washing, bathing and the like.

Description

Degradable cosmetic cotton and preparation method thereof

Technical Field

The application relates to the technical field of cosmetics, in particular to degradable cosmetic cotton and a preparation method thereof.

Background

Makeup is a female beauty technology with a long history, and more women like makeup along with the progress of the times. The application of cosmetics is very wide, and an auxiliary product, namely a cosmetic cotton product, is required to be used in the process of using the cosmetics. The cosmetic cotton becomes an essential tool in the makeup, and the inconvenience of applying and removing the makeup by hands or cotton swabs and the like is changed.

The existing cosmetic cotton is added with a large amount of fossil petroleum component materials in the production and manufacturing process, so that the product is injected into the market, cannot be degraded after being used by consumers, and has the problem of environmental pollution.

Disclosure of Invention

The application aims to provide the degradable cosmetic cotton, which has the advantage of easy degradation and can protect the environment.

Another object of the present application is to provide a method for preparing a degradable cosmetic floss, so as to obtain the degradable cosmetic floss.

The technical problem to be solved by the application is solved by adopting the following technical scheme.

On the one hand, the embodiment of the application provides a degradable cosmetic sponge, which comprises the following raw materials in parts by weight: 90-100 parts of biological polyurethane, 1.5-5.5 parts of vegetable oil and 0.5-1.5 parts of water.

In another aspect, an embodiment of the present application provides a method for preparing a degradable cosmetic sponge, including the following steps:

placing the raw materials into a container, mixing, sealing and standing to obtain an initial product;

baking the primary product, and grinding the primary product into a fixed shape;

and cleaning the primary product with a fixed shape, dehydrating, and baking to obtain the degradable cosmetic floss finished product.

Compared with the prior art, the embodiment of the application has at least the following advantages or beneficial effects:

the degradable cosmetic floss is prepared based on the biological polyurethane material, the structure of the material is not damaged in the production process, so that the degradable cosmetic floss can be prepared finally, the degradation rate of more than 95.4 percent of the weight of a product can be achieved within 180 days under natural conditions or industrial composting conditions, the cosmetic floss can not burden the environment after being used, and the environment is protected. And the cosmetic cotton has good resilience, can expand and soften when meeting water, and is suitable for makeup, face washing, bathing and the like.

The preparation method is simple and convenient, can produce the initial product after reacting the raw materials, and the initial product can guarantee its stable in structure after toasting, grinds it into various shapes (like drop shape, sphere and ellipse etc.) according to actual demand again, can accord with different crowds' user demand, prunes the initial product into fixed shape after, toasts here, further improves its stability, guarantees the stability of its shape after using. The cosmetic cotton prepared by the application can obtain a fine-pore cosmetic powder puff and a coarse-pore facial puff, and the application scene is diversified.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a photograph of a product of the degradable cosmetic cotton of example 3 of the present application.

FIG. 2 is a photograph of a degradable cosmetic cotton of example 5 of the present application.

FIG. 3 is a photograph of a degradable cosmetic cotton of example 6 of the present application.

FIG. 4 photograph of cosmetic sponge of example 5 of the present application before experiment.

FIG. 5 photograph of cosmetic cotton of example 5 of the present application before composting.

FIG. 6 is a graph showing the biodegradability of a cosmetic sponge according to Experimental example 1 of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail below with reference to specific examples.

The application provides a degradable cosmetic floss, by weight, including following raw materials: 90-100 parts of biological polyurethane, 1.5-5.5 parts of vegetable oil and 0.5-1.5 parts of water. The degradable cosmetic cotton is prepared based on the biological polyurethane material, the structure of the material is not damaged in the production process, so that the degradable cosmetic cotton can be prepared at last, the degradation rate of more than 95.4 percent of the weight of the product can be achieved within 180 days under natural conditions or industrial composting conditions, the cosmetic cotton is guaranteed not to bear the environment after being used, and the environment protection is facilitated. And the cotton resilience of makeup of this application is good, can expand the grow and soften in the chance of water, is applicable to makeup, face washing and shower etc.. The cosmetic cotton prepared by the application can obtain a fine-pore cosmetic powder puff and a coarse-pore facial puff, and the application scene is diversified.

In some embodiments of the present application, the above-mentioned biopolyurethane is specifically prepared by the following steps:

mixing polyether polyol and the mixture according to the ratio of 2-4:2, and standing for 20-30min to obtain a mixture;

adding dibutyltin dilaurate into the mixture according to the mass ratio of 1:1: adding isophorone diglycolic acid ester and butanediol according to the mass ratio of 1, uniformly mixing, and stirring for 50-60min to obtain a biological polyurethane finished product.

In some embodiments of the present application, the mixture is obtained by mixing corn starch or tapioca starch with sugarcane juice in a weight ratio of 3-5.

In some embodiments of the present application, the vegetable oil is castor oil.

In some embodiments of the present application, the degradable cosmetic sponge further comprises 0.5 to 1.5 parts by weight of a pigment.

The application also provides a preparation method of the degradable cosmetic cotton, which comprises the following steps:

putting the raw materials into a container, mixing, sealing, and standing to obtain an initial product;

and cleaning the primary product with a fixed shape, dehydrating, and baking to obtain the degradable cosmetic floss finished product. The preparation method is simple and convenient, can produce the initial product after reacting the raw materials, and the initial product can guarantee its stable in structure after toasting, grinds it into various shapes (like drop shape, sphere and ellipse etc.) according to actual demand again, can accord with different crowds' user demand, prunes the initial product into fixed shape after, toasts here, further improves its stability, guarantees the stability of its shape after using.

In some embodiments of the present application, the above-mentioned standing time is 3 to 8min.

In some embodiments of the present application, the baking temperature of the primary product is 53-62 ℃.

In some embodiments of the present application, the baking time of the primary product is 10-12h. After the first bake, it can be hardened to facilitate grinding into the desired shape.

In some embodiments of the present application, the number of the washing times of the fixed-shape primary product is 4-6. The surface of the ground primary product has dust, and the dust on the surface can be removed after cleaning.

In some embodiments of the present application, the baking of the fixed-shape primary product is specifically baking at 53-62 ℃ for 11-15h. When the baking is carried out for the second time, redundant moisture in the baking can be removed, so that the subsequent transportation and storage are convenient.

The features and properties of the present application are described in further detail below with reference to examples.

Example 1

A preparation method of degradable cosmetic cotton comprises the following steps:

raw materials: 90g of biological polyurethane, 1.5g of vegetable oil and 0.5g of water.

Placing the raw materials in a container, mixing, sealing, and standing for 3min to obtain an initial product;

baking the primary product at 53 ℃ for 10h, and grinding the primary product into a fixed shape;

cleaning the primary product with fixed shape for 4 times, dehydrating, and baking at 53 deg.C for 11 hr to obtain degradable cosmetic cotton product.

A biopolyurethane comprising the steps of:

mixing corn starch or tapioca starch with the sugarcane juice according to the weight ratio of 3-5;

mixing polyether polyol and the mixture according to the ratio of 2:2, and standing for 20min to obtain a mixture;

adding dibutyltin dilaurate into the mixture according to the mass ratio of 1:1: adding isophorone diglycolic acid ester and butanediol according to the mass ratio of 1, uniformly mixing, and stirring for 50min to obtain a biological polyurethane finished product.

Example 2

raw materials: 90g of biological polyurethane, 1.5g of vegetable oil, 0.5g of pigment and 0.5g of water.

Placing the raw materials in a container, mixing, sealing, and standing for 3min to obtain primary product;

and cleaning the primary product with the fixed shape for 4 times, dehydrating, and baking at 53 ℃ for 11 hours to obtain the degradable cosmetic cotton finished product.

A biopolyurethane comprising the steps of:

mixing polyether polyol and the mixture according to the ratio of 3:2, and standing for 23min to obtain a mixture;

adding dibutyltin dilaurate into the mixture according to the mass ratio of 1:1: adding isophorone diglycolic acid ester and butanediol according to the mass ratio of 1, uniformly mixing, and stirring for 53min to obtain a biological polyurethane finished product.

Example 3

raw materials: 92g of biological polyurethane, 2g of vegetable oil, 0.6g of pigment and 0.6g of water.

Placing the raw materials in a container, mixing, sealing, and standing for 4min to obtain primary product;

baking the primary product at 55 ℃ for 11h, and grinding the primary product into a fixed shape;

cleaning the primary product with fixed shape for 5 times, dehydrating, and baking at 55 deg.C for 12 hr to obtain degradable cosmetic floss.

A biopolyurethane comprising the steps of:

mixing polyether polyol and the mixture according to the ratio of 3:2, and standing for 20-30min to obtain a mixture;

adding dibutyltin dilaurate into the mixture according to the mass ratio of 1:1:1, adding isophorone diethylene cyanate and butanediol, uniformly mixing, and stirring for 55min to obtain a biological polyurethane finished product, as shown in figure 1.

Example 4

raw materials: 94g of biological polyurethane, 3g of vegetable oil, 0.9g of pigment and 0.9g of water.

Placing the raw materials in a container, mixing, sealing, and standing for 5min to obtain primary product;

baking the primary product at 56 ℃ for 11h, and grinding the primary product into a fixed shape;

cleaning the primary product with fixed shape for 5 times, dehydrating, and baking at 56 deg.C for 13 hr to obtain the final product.

A biopolyurethane comprising the steps of:

mixing polyether polyol and the mixture according to the ratio of 3.5:2, and standing for 28min to obtain a mixture;

adding dibutyltin dilaurate into the mixture according to the mass ratio of 1:1: adding isophorone diglycolic acid ester and butanediol according to the mass ratio of 1, uniformly mixing, and stirring for 58min to obtain a biological polyurethane finished product.

Example 5

raw materials: 95g of biological polyurethane, 3g of vegetable oil, 1g of pigment and 1g of water.

Placing the raw materials in a container, mixing, sealing, and standing for 5min to obtain an initial product;

baking the primary product at 57 ℃ for 11h, and grinding the primary product into a fixed shape;

and cleaning the primary product with the fixed shape for 5 times, dehydrating, and baking at 57 ℃ for 13 hours to obtain the degradable cosmetic cotton finished product.

A biopolyurethane comprising the steps of:

mixing polyether polyol and the mixture according to the ratio of 4:2, and standing for 30min to obtain a mixture;

adding dibutyltin dilaurate into the mixture according to the mass ratio of 1:1: adding isophorone diglycolic acid ester and butanediol according to the mass ratio of 1, uniformly mixing, and stirring for 60min to obtain a biological polyurethane finished product, as shown in figure 2.

And testing the moisture content of the degradable cosmetic cotton finished product, wherein the moisture content is within 1.3 percent.

Example 6

raw materials: 96g of biological polyurethane, 4g of vegetable oil, 1.2g of pigment and 1.2g of water.

Placing the raw materials in a container, mixing, sealing, and standing for 6min to obtain primary product;

baking the primary product at 59 ℃ for 12h, and grinding the primary product into a fixed shape;

cleaning the primary product with fixed shape for 6 times, dewatering, and baking at 59 deg.C for 14 hr to obtain degradable cosmetic cotton product, as shown in FIG. 3.

A biopolyurethane comprising the steps of:

adding dibutyltin dilaurate into the mixture according to the mass ratio of 1:1: adding isophorone diglycolic acid ester and butanediol according to the mass ratio of 1, uniformly mixing, and stirring for 60min to obtain a biological polyurethane finished product.

Example 7

raw materials: 98g of biological polyurethane, 5g of vegetable oil, 1.4g of pigment and 1.4g of water.

Placing the raw materials in a container, mixing, sealing, and standing for 7min to obtain a primary product;

baking the primary product at 60 ℃ for 12h, and grinding the primary product into a fixed shape;

and cleaning the primary product with the fixed shape for 6 times, dehydrating, and baking at 60 ℃ for 14 hours to obtain the degradable cosmetic cotton finished product.

A biopolyurethane comprising the steps of:

adding dibutyltin dilaurate into the mixture according to the mass ratio of 1:1: adding isophorone diethylene cyanate and butanediol according to the mass ratio of 1, uniformly mixing, and stirring for 60min to obtain a biological polyurethane finished product.

Example 8

raw materials: 100g of biological polyurethane, 5.5g of vegetable oil, 1.5g of pigment and 1.5g of water.

Placing the raw materials in a container, mixing, sealing, and standing for 8min to obtain primary product;

baking the primary product at 62 ℃ for 12h, and grinding the primary product into a fixed shape;

cleaning the primary product with fixed shape for 6 times, dehydrating, and baking at 62 deg.C for 15 hr to obtain the final product.

A biopolyurethane comprising the steps of:

Experimental example 1

Determination of the final aerobic biodegradation capacity of wood material under controlled composting conditions according to ISO14855-1: general method experiments were performed on three commercially available cosmetic sponges as control groups 1 to 3 and three commercially available cosmetic sponges as experimental groups 1 to 3 prepared in examples 4 to 6 as finished products of the degradable cosmetic sponges, and after 135 days of the experiment, the degree of biodegradation of the samples was measured, and the results are shown in table 5. The experimental basic information is shown in table 1, the sample basic information is shown in table 2, the inoculation information is shown in table 3, and the experimental validity judgment result is shown in table 4.

Degree of biodegradation = mean relative biodegradation rate of test sample ÷ mean biodegradation rate of reference material × 100%

TABLE 1

TABLE 2

Sample classes	Total solid content/%)	Total organic carbon/%	Theoretical amount of carbon dioxide/g
				Test sample	91.2	42.77	94.1
Item of reference	95.5	41.71	91.7

TABLE 3

TABLE 4

TABLE 5

Sample(s)	Degree of biodegradation/%)	Relative deviation/%)
			Control group 1	88.9	0.2
Control group 2	88.4	1.8
			Control group 3	91.9	2.0
Experimental group 1	95.4	1.3
			Experimental group 2	96.8	0.2
Experimental group 3	97.8	1.1
			Reference material	107.3	/

By combining tables 1-5 and fig. 4-6, it can be seen that the biodegradable cotton floss prepared by the method has good biodegradation degree, can reach 97.8% at most, and is environment-friendly.

Experimental example 2

Tensile test was performed after the degradable cosmetic sponges secondarily dried in examples 4 to 8 and the prepared degradable cosmetic sponges were soaked in warm water at 45 degrees, and the test results are shown in table 6.

TABLE 6

Sample(s)	Drying tension/kg	Wet tensile force/kg
			Example 4	5.8	5
Example 5	6.5	5.8
			Example 6	6.3	6.1
Example 7	6.1	6.3
			Example 8	6.3	5.9

In combination with table 6, it can be seen that the degradable cosmetic floss prepared by the present application has good elastic tension.

Experimental example 3

The degradable cotton pads prepared in examples 1 to 8 were subjected to an elasticity test, specifically, a test of a water-in-water test at a temperature of 45 ℃ with a drop of 0.3% concentration in warm water, and a test of a rebound effect was carried out, and the results are shown in table 7, where the rebound effect was acceptable within 5 seconds.

TABLE 7

In combination with table 7, it can be seen that the cosmetic floss prepared in the present application has good elasticity.

In summary, the degradable cosmetic floss is prepared based on the biological polyurethane material, the structure of the material is not damaged in the production process, so that the degradable cosmetic floss can be finally prepared, and the degradation rate of more than 95.4 percent of the weight of the product can be reached within 180 days under natural conditions or industrial composting conditions, thereby ensuring that the cosmetic floss does not burden the environment after being used and being beneficial to environmental protection. And the cotton resilience of makeup of this application is good, can expand the grow and soften in the chance of water, is applicable to makeup, face washing and shower etc..

The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Claims

1. The degradable cosmetic floss is characterized by comprising the following raw materials in parts by weight: 90-100 parts of biological polyurethane, 1.5-5.5 parts of vegetable oil and 0.5-1.5 parts of water.

2. The degradable cosmetic floss of claim 1, wherein the biological polyurethane is prepared by the following steps:

3. The degradable cosmetic cotton of claim 1, wherein the vegetable oil is castor oil.

4. The degradable cosmetic floss of claim 1, further comprising 0.5 to 1.5 parts by weight of a pigment.

5. The method for preparing the degradable cosmetic floss according to any one of claims 1 to 4, which comprises the following steps:

6. The method for preparing the degradable cosmetic sponge according to claim 5, wherein the standing time is 3-8min.

7. The method for preparing degradable cosmetic floss of claim 5, wherein the baking temperature of the primary product is 53-62 ℃.

8. The method for preparing a degradable cosmetic sponge according to claim 5, wherein the baking time of the primary product is 10-12h.

9. The method of claim 5, wherein the washing times of the shape-fixed initial product is 4-6 times.

10. The method for preparing a degradable cosmetic floss according to claim 5, wherein the baking of the fixed-shape primary product is specifically at 53-62 ℃ for 11-15h.