阅读说明：本技术 环保型类玛雅蓝耐水指甲油的制备方法 (Preparation method of environment-friendly Maya blue-like water-resistant nail polish ) 是由 高晓燕 王雨星 唐屿昕 赵萌 倪伶俐 姜孝武 蔡鹏� 冯良东 于 2021-06-07 设计创作，主要内容包括：本发明涉及日用化妆品技术领域,公开了一种环保型类玛雅蓝耐水指甲油的制备方法,本发明通过原位聚合法将表面接枝氨基有机硅烷的类玛雅蓝颜料、氨基功能化的有机聚硅氧烷与异氰酸酯反应,类玛雅蓝颜料和氨基功能化的有机聚硅氧烷均与水性聚氨酯本体聚合形成嵌段结构,制备出不同颜色的凹土基类玛雅蓝改性的有机硅水性聚氨酯乳液。一方面解决了传统指甲油颜料分散性差及沉降问题；另一方面有机硅的加入提高了指甲油的耐水性。本发明主要成分为水性环保树脂,颜料来源为无毒环保型有色水性聚氨酯,不会伤害指甲,对人体非常温和,且凹土作为颜料载体,持效长久,具有抗炎活性,真正体现了绿色、环保和无毒的性能。(The invention relates to the technical field of daily cosmetics and discloses a preparation method of an environment-friendly Maya blue-like water-resistant nail polish. On one hand, the problems of poor dispersibility and sedimentation of the traditional nail polish pigment are solved; on the other hand, the addition of the organic silicon improves the water resistance of the nail polish. The main component of the invention is aqueous environment-friendly resin, the pigment source is nontoxic environment-friendly colored aqueous polyurethane, the nail can not be damaged, the invention is very mild to human body, and the attapulgite is used as the pigment carrier, has long lasting effect and anti-inflammatory activity, and really embodies the performances of greenness, environmental protection and no toxicity.)

1. A preparation method of an environment-friendly Maya blue-like water-resistant nail polish is characterized by comprising the following steps:

surface modification of an S1 Maya blue pigment: weighing an amino organosilane coupling agent, dissolving the amino organosilane coupling agent in absolute ethyl alcohol, dispersing the attapulgite blue pigment in deionized water, uniformly mixing the two solutions, stirring and reacting at a constant temperature of 60-90 ℃ for 1.5-3 h, centrifuging, drying and grinding to prepare the amino organosilicon modified attapulgite blue mineral pigment;

s2 preparation of attapulgite-based Maya blue modified organosilicon waterborne polyurethane emulsion:

weighing the amino organosilicon modified attapulgite-based maya blue pigment in a beaker, adding acetone, uniformly mixing, and performing ultrasonic dispersion to obtain a maya blue pigment-like dispersion liquid; weighing a certain amount of oligomer polyol and diisocyanate under the protection of nitrogen, mixing and stirring uniformly, reacting at 55-65 ℃ for 30-90 min, adding a Maya blue-like pigment dispersion, mixing and stirring uniformly, adding a certain amount of amino-functionalized organopolysiloxane, stirring and reacting at 70-90 ℃ for 0.5-2 h, cooling the system temperature to 60 ℃, adding a hydrophilic chain extender and a catalyst, and stirring and reacting at constant temperature for 0.5-1 h; cooling to 40 ℃, adding a neutralizing agent and deionized water, stirring at a high speed and emulsifying for 30 min to obtain the Maya blue-like modified organic silicon waterborne polyurethane prepolymer with different colors; adding a micromolecular chain extender into the prepolymer, heating to 50 ℃, and chain extending for 4-8 hours; after the system is formed into uniform emulsion, acetone is removed at 50 ℃ and 0.1 MPa to obtain the attapulgite group Maya blue modified organosilicon waterborne polyurethane emulsion;

preparation of S3 nail varnish: 80-90 parts of attapulgite blue modified organosilicon waterborne polyurethane emulsion, 5-15 parts of waterborne acrylic emulsion, 0.1-0.5 part of flatting agent, 0.1-0.5 part of defoaming agent and 1-5 parts of thickening agent are put into a pulling cylinder, and are stirred at a high speed of 1000-2000 r/min for 0.5-2 h to be uniformly mixed, so as to prepare the environment-friendly maya blue-like waterproof nail polish.

2. The preparation method of the environment-friendly Maya blue-like water-resistant nail polish as claimed in claim 1, wherein the preparation method comprises the following steps: in S1, the Maya blue-like pigment is prepared by purifying attapulgite and pigment molecules through a high-temperature baking method or a hydrothermal method; the mass ratio of the pigment molecules to the purified attapulgite is 1-10: 100.

3. The preparation method of the environment-friendly Maya blue-like water-resistant nail polish as claimed in claim 2, wherein the preparation method comprises the following steps: the pigment molecule is any one or combination of the following natural organic pigments:

isatin, indigo, methyl violet, methylene blue, congo red, alizarin yellow;

alternatively, the pigment molecule is any one or combination of the following commercially available cosmetic organic toners: positive red organic toner, purple organic toner, yellow organic toner, green organic toner, blue organic toner.

4. The preparation method of the environment-friendly Maya blue-like water-resistant nail polish as claimed in claim 1, wherein the preparation method comprises the following steps: in S1, the aminoorganosilane coupling agent is any one of:

gamma-aminopropyltriethoxysilane, gamma-aminopropyltrimethoxysilane, N-beta (aminoethyl) -gamma-aminopropylmethyldimethoxysilane, N-beta (aminoethyl) -gamma-aminopropylmethyldiethoxysilane, phenylaminomethyltriethoxysilane and phenylaminomethyltrimethoxysilane.

5. The preparation method of the Maya blue-like environment-friendly water-resistant nail polish as claimed in claim 1, wherein the preparation method comprises the following steps: the raw materials used in the S1 comprise the following components in parts by weight: 0.1-0.5 part of amino organic silicon coupling agent, 10 parts of attapulgite blue pigment, 10-30 parts of absolute ethyl alcohol and 50-80 parts of deionized water.

6. The preparation method of the environment-friendly Maya blue-like water-resistant nail polish as claimed in claim 1, wherein the preparation method comprises the following steps: the raw materials used in the S2 comprise the following components in percentage by mass: 5-20% of amino organic silicon modified attapulgite blue pigment, 5-10% of amino functionalized organopolysiloxane, 5-25% of oligomer polyol, 20-60% of diisocyanate, 5-10% of hydrophilic chain extender, 5-10% of micromolecule chain extender, 1-3% of catalyst, 3-7.5% of neutralizer, 20-50% of acetone and the balance of water.

7. The preparation method of the environment-friendly Maya blue-like water-resistant nail polish as claimed in claim 6, wherein the preparation method comprises the following steps: the oligomer polyol is any one or combination of the following synthetic waterborne polyurethane polyols with the molecular weight of 1000-2000:

polyether polyols, polyester polyols, polycarbonate polyols, polyether polycarbonate polyols.

8. The method for preparing the environment-friendly Maya blue-like water-resistant nail polish as claimed in any one of claims 1 to 7, wherein the method comprises the following steps: the diisocyanate is any one or combination of the following: hexamethylene diisocyanate, isophorone diisocyanate;

the hydrophilic chain extender is any one of the following components: dimethylolpropionic acid, dimethylolbutyric acid, sodium 1, 2-propanediol-3-sulfonate, sodium 1, 4-butanediol-2 sulfonate;

the small molecular chain extender is any one or combination of the following components: 1, 4-butanediol, diethylene glycol, ethylenediamine;

the catalyst is any one or the combination of the following: dibutyltin dilaurate, stannous octoate and an organic bismuth catalyst;

the neutralizing agent is triethylamine.

9. The method for preparing the environment-friendly Maya blue-like water-resistant nail polish as claimed in any one of claims 1 to 7, wherein the method comprises the following steps: in the step S3, the first step,

the water-based acrylic emulsion is special water-based acrylic emulsion for nail polish;

the leveling agent is a BYK375 aqueous leveling agent or a BYK-381 aqueous leveling agent;

the thickener is a HEYU-8807 polyurethane associative thickener.

10. The method for preparing the environment-friendly Maya blue-like water-resistant nail polish as claimed in any one of claims 1 to 7, wherein the method comprises the following steps: in S3, the defoaming agent is a BYK-019 organic silicon defoaming agent or a BYK-024 organic silicon defoaming agent; or the defoaming agent is a mixture of a BYK-019 organic silicon defoaming agent and a BYK-024 organic silicon defoaming agent according to the mass ratio of 3: 2.

Technical Field

The invention relates to the technical field of daily cosmetics, in particular to a method for preparing environment-friendly Maya blue-like water-resistant nail polish by using Maya blue-like modified organic silicon waterborne polyurethane emulsions with different colors.

Background

The pursuit and the pursuit of beauty are the same from ancient times to modern times. In the Tang dynasty of China, fashion of nail dyeing already appears, and nowadays, nail beauty is favored by hundreds of millions of women, so that the appearance of healthier and environment-friendly nail polish is needed. Nail polishes on the market are classified into traditional solvent-based nail polishes and emerging water-based nail polishes. The former formula often contains a large amount of chemical substances which are toxic and harmful to human bodies, and poses serious threats to life health and environment. The water-based nail polish is an ideal substitute of solvent-based nail polish due to the characteristics of safety and environmental protection, and has great development potential. However, the following key problems exist in the use process of the water-based nail polish: the pigment has poor dispersibility and stability, easy sedimentation and poor water resistance. Based on the problems, the invention provides the environment-friendly Maya-like water-resistant nail polish with good pigment dispersibility and stability and excellent water resistance and the preparation method thereof.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to solve the problems of poor pigment dispersibility, poor stability and poor water resistance in the prior water-based nail polish technology and provides a preparation method of an environment-friendly Maya blue-like water-resistant nail polish.

The technical scheme is as follows: the invention provides a preparation method of an environment-friendly Maya blue-like water-resistant nail polish, which comprises the following steps: surface modification of an S1 Maya blue pigment: weighing an amino organosilane coupling agent, dissolving the amino organosilane coupling agent in absolute ethyl alcohol, dispersing the attapulgite blue pigment in deionized water, uniformly mixing the two solutions, stirring and reacting at a constant temperature of 60-90 ℃ for 1.5-3 h, centrifuging, drying and grinding to prepare the amino organosilicon modified attapulgite blue mineral pigment; s2 preparation of attapulgite-based Maya blue modified organosilicon waterborne polyurethane emulsion: weighing the amino organosilicon modified attapulgite-based maya blue pigment in a beaker, adding acetone, uniformly mixing, and performing ultrasonic dispersion to obtain a maya blue pigment-like dispersion liquid; weighing a certain amount of oligomer polyol and diisocyanate under the protection of nitrogen, mixing and stirring uniformly, reacting at 55-65 ℃ for 30-90 min, adding a Maya blue-like pigment dispersion, mixing and stirring uniformly, adding a certain amount of amino-functionalized organopolysiloxane, stirring and reacting at 70-90 ℃ for 0.5-2 h, cooling the system temperature to 60 ℃, adding a hydrophilic chain extender and a catalyst, and stirring and reacting at constant temperature for 0.5-1 h; cooling to 40 ℃, adding a neutralizing agent and deionized water, stirring at a high speed and emulsifying for 30 min to obtain the Maya blue-like modified organic silicon waterborne polyurethane prepolymer with different colors; adding a micromolecular chain extender into the prepolymer, heating to 50 ℃, and chain extending for 4-8 hours; after the system is formed into uniform emulsion, acetone is removed at 50 ℃ and 0.1 MPa to obtain the attapulgite group Maya blue modified organosilicon waterborne polyurethane emulsion; preparation of S3 nail varnish: 80-90 parts of attapulgite blue modified organosilicon waterborne polyurethane emulsion, 5-15 parts of waterborne acrylic emulsion, 0.1-0.5 part of flatting agent, 0.1-0.5 part of defoaming agent and 1-5 parts of thickening agent are put into a pulling cylinder, and are stirred at a high speed of 1000-2000 r/min for 0.5-2 h to be uniformly mixed, so as to prepare the environment-friendly maya blue-like waterproof nail polish.

Preferably, in S1, the maya-like blue pigment is prepared by a high-temperature baking method or a hydrothermal method using purified attapulgite clay and pigment molecules; the mass ratio of the pigment molecules to the purified attapulgite is 1-10: 100.

Preferably, the pigment molecule is any one or combination of the following natural organic pigments: isatin, indigo, methyl violet, methylene blue, congo red, alizarin yellow; alternatively, the pigment molecule is any one or combination of the following commercially available cosmetic organic toners: positive red organic toner, purple organic toner, yellow organic toner, green organic toner, blue organic toner.

Preferably, in S1, the aminoorganosilane coupling agent is any one of: gamma-aminopropyltriethoxysilane, gamma-aminopropyltrimethoxysilane, N-beta (aminoethyl) -gamma-aminopropylmethyldimethoxysilane, N-beta (aminoethyl) -gamma-aminopropylmethyldiethoxysilane, phenylaminomethyltriethoxysilane and phenylaminomethyltrimethoxysilane.

Preferably, the raw materials used in the S1 comprise the following components in parts by weight: 0.1-0.5 part of amino organic silicon coupling agent, 10 parts of attapulgite blue pigment, 10-30 parts of absolute ethyl alcohol and 50-80 parts of deionized water.

Preferably, the raw materials used in S2 are, by mass: 5-20% of amino organic silicon modified attapulgite blue pigment, 5-10% of amino functionalized organopolysiloxane, 5-25% of oligomer polyol, 20-60% of diisocyanate, 5-10% of hydrophilic chain extender, 5-10% of micromolecule chain extender, 1-3% of catalyst, 3-7.5% of neutralizer, 20-50% of acetone and the balance of water.

Preferably, the oligomer polyol is any one or combination of the following polyols with the molecular weight of 1000-2000 of synthetic waterborne polyurethane: polyether polyols, polyester polyols, polycarbonate polyols, polyether polycarbonate polyols;

preferably, it is characterized in that: the diisocyanate is any one or combination of the following: hexamethylene diisocyanate, isophorone diisocyanate; the hydrophilic chain extender is any one of the following components: dimethylolpropionic acid, dimethylolbutyric acid, sodium 1, 2-propanediol-3-sulfonate, sodium 1, 4-butanediol-2 sulfonate; the small molecular chain extender is any one or combination of the following components: 1, 4-butanediol, diethylene glycol, ethylenediamine; the catalyst is any one or the combination of the following: dibutyltin dilaurate, stannous octoate and an organic bismuth catalyst; the neutralizing agent is triethylamine.

Preferably, in S3, the aqueous acrylic emulsion is a nail polish-specific aqueous acrylic emulsion; the leveling agent is a BYK375 aqueous leveling agent or a BYK-381 aqueous leveling agent; the thickener is a HEYU-8807 polyurethane associative thickener.

Preferably, in S3, the defoaming agent is a BYK-019 silicone defoaming agent or a BYK-024 silicone defoaming agent; or the defoaming agent is a mixture of a BYK-019 organic silicon defoaming agent and a BYK-024 organic silicon defoaming agent according to the mass ratio of 3: 2.

Has the advantages that: (1) the main components of the environment-friendly Maya blue-like waterproof nail polish prepared by the invention are the attapulgite group Maya blue modified organic silicon waterborne polyurethane emulsion with different colors, firstly, amino organosilane is utilized to modify the surface of the attapulgite group Maya blue pigment, and silicon hydroxyl on the surface of the attapulgite and amino of the organosilane form hydrogen bonds, so that encapsulation of the Maya blue-like pigment by the organosilane is realized, pigment molecules are prevented from escaping from pore canals of the attapulgite, and the stability of the pigment in the nail polish is enhanced.

(2) The maya-like blue pigment with the surface grafted with amino organosilane, the amino functionalized organopolysiloxane and isocyanate are mixed by an in-situ polymerization method, and silicon hydroxyl on the surface of the maya-like blue pigment and amino of the organosilane can be subjected to in-situ polymerization reaction with isocyanic acid radicals, so that the maya-like blue pigment and the amino functionalized organopolysiloxane are polymerized with a waterborne polyurethane body to form a block structure, and the maya-like blue modified organosilicon waterborne polyurethane emulsion with different colors is prepared. On one hand, because the pigment molecules are fixed in the pore canal structure of the attapulgite and are polymerized in the water-based polyurethane chain segment in situ, the problems of poor dispersibility and sedimentation of the traditional nail polish pigment in resin are solved; on the other hand, the addition of the organopolysiloxane improves the water resistance of the nail polish.

(3) The main component of the nail polish prepared by the invention is the water-based environment-friendly resin, the pigment source is the non-toxic environment-friendly colored water-based polyurethane, the nail polish is not damaged, the nail polish is very mild to a human body, and the attapulgite is used as a pigment carrier, has long lasting effect and anti-inflammatory activity, and really embodies the green, environment-friendly and non-toxic performances.

Detailed Description

The present invention will be described in detail with reference to specific examples.

Embodiment 1:

surface modification of an S1 Maya blue pigment: weighing 0.2 g of organosilane coupling agent gamma-aminopropyltriethoxysilane (KH 550) and dissolving in 10 ml of absolute ethanol, dispersing 10.0 g of attapulgite-based Maya blue-indigo in 80 ml of deionized water, uniformly mixing the two solutions, stirring and reacting at the constant temperature of 75 ℃ for 3 hours, centrifuging, drying and grinding to prepare the KH550 modified attapulgite-based Maya blue-indigo mineral pigment.

S2 preparation of attapulgite Maya blue-indigo modified organosilicon aqueous polyurethane emulsion: weighing 1.0 g of KH550 modified attapulgite-based Maya blue-indigo pigment in a beaker, adding 10 ml of acetone, uniformly mixing, and performing ultrasonic dispersion for 30 min to obtain a Maya blue-like pigment dispersion liquid; under the protection of nitrogen, 20.0 g of polypropylene glycol (1000) and 8.4 g of hexamethylene diisocyanate are weighed, mixed and stirred uniformly, after the mixture reacts for 1 hour at 60 ℃, maya blue-like pigment dispersion liquid is added, after the mixture is mixed and stirred uniformly, 1.0 g of amino-functionalized organopolysiloxane is added, the mixture is stirred and reacts for 2 hours at 85 ℃, the temperature of the system is reduced to 60 ℃, 1.87 g of dimethylolpropionic acid and two drops of dibutyltin dilaurate are added, the mixture is stirred and reacts for 1 hour at constant temperature, and the viscosity of the system is adjusted by acetone; cooling to 40 ℃, adding 1.39 g of triethylamine and 100 ml of deionized water, stirring at a high speed and emulsifying for 30 min to obtain a Maya blue-like modified organosilicon waterborne polyurethane prepolymer; 1.8 g of 1, 4-butanediol is added into the prepolymer, and the temperature is raised to 50 ℃ to carry out chain extension for 4 hours; after the system is formed into uniform emulsion, acetone is removed at 50 ℃ and 0.1 MPa to obtain the attapulgite group Maya blue-indigo modified organosilicon waterborne polyurethane emulsion.

S3 nail polish preparation: taking 85 parts of attapulgite-based Maya blue-indigo modified organosilicon waterborne polyurethane emulsion, 12 parts of waterborne acrylic emulsion, 0.5 part of BYK375 flatting agent, 0.5 part of defoaming agent BYK019 and 2 parts of thickener HEYU-8807, putting the mixture into a pulling cylinder, stirring at high speed of 1000 r/min for 1 hour, and uniformly mixing to prepare the environment-friendly Maya blue-indigo water-resistant nail polish.

Embodiment 2:

surface modification of an S1 Maya blue pigment: weighing 0.3 g of organosilane coupling agent gamma-aminopropyl trimethoxy silane, dissolving in 30 ml of absolute ethyl alcohol, dispersing 10.0 g of attapulgite type Maya blue-isatin in 80 ml of deionized water, uniformly mixing the two solutions, stirring and reacting at the constant temperature of 80 ℃ for 2.5 hours, centrifuging, drying and grinding to prepare the gamma-aminopropyl trimethoxy silane modified attapulgite type Maya blue-isatin mineral pigment.

S2 preparation of attapulgite Maya blue-isatin modified organosilicon water-based polyurethane emulsion: weighing 1.5 g of gamma-aminopropyltrimethoxysilane modified attapulgite-based Maya blue-isatin pigment in a beaker, adding 10 ml of acetone, uniformly mixing, and performing ultrasonic dispersion for 30 min to obtain a Maya blue-like pigment dispersion liquid; under the protection of nitrogen, 20.0 g of polytetrahydrofuran ether glycol (1000) and 8.4 g of hexamethylene diisocyanate are weighed, mixed and stirred uniformly, after the mixture reacts for 1 hour at 60 ℃, maya blue-like pigment dispersion liquid is added, after the mixture is mixed and stirred uniformly, 1.5 g of amino functionalized organopolysiloxane is added, the mixture is stirred and reacts for 2 hours at 85 ℃, the system temperature is reduced to 60 ℃, 2.07 g of dimethylolbutyric acid and two drops of stannous octoate are added, the mixture is stirred and reacts for 1 hour at constant temperature, and the viscosity of the system is adjusted by acetone; cooling to 40 ℃, adding 1.39 g of triethylamine and 100 ml of deionized water, stirring at a high speed and emulsifying for 30 min to obtain a Maya blue-like modified organosilicon waterborne polyurethane prepolymer; adding 1.8 g of ethylenediamine into the prepolymer, heating to 50 ℃, and chain extending for 4 hours; after the system is formed into uniform emulsion, acetone is removed at 50 ℃ and 0.1 MPa to obtain the attapulgite group Maya blue-isatin modified organosilicon waterborne polyurethane emulsion.

S3 nail polish preparation: 90 parts of attapulgite-based Maya blue-isatin modified organosilicon waterborne polyurethane emulsion, 7 parts of waterborne acrylic emulsion, 0.5 part of BYK375 flatting agent, 0.5 part of defoaming agent BYK019 and 2 parts of thickener HEYU-8807 are put into a pulling cylinder, stirred at high speed of 1000 r/min for 1 hour and mixed uniformly to prepare the environment-friendly Maya blue-isatin waterproof nail polish.

Embodiment 3:

surface modification of an S1 Maya blue pigment: weighing 0.5 g of organosilane coupling agent N-beta (aminoethyl) -gamma-aminopropyltrimethoxysilane in 50 ml of absolute ethyl alcohol, dispersing 10.0 g of Maya blue-red-like pigment in 50 ml of deionized water, uniformly mixing the two solutions, stirring and reacting for 2 hours at the constant temperature of 85 ℃, centrifuging, drying and grinding to prepare the N-beta (aminoethyl) -gamma-aminopropyltrimethoxysilane modified attapulgite blue-red mineral pigment.

S2 preparation of attapulgite-based Maya blue-red modified organosilicon waterborne polyurethane emulsion: weighing 2.0 g of gamma-aminopropyltrimethoxysilane modified attapulgite-based Maya blue-red pigment in a beaker, adding 10 ml of acetone, uniformly mixing, and performing ultrasonic dispersion for 30 min to obtain a Maya blue-like pigment dispersion liquid; under the protection of nitrogen, 20.0 g of polytetrahydrofuran ether glycol (1000) and 35.3 g of isophorone diisocyanate are weighed, mixed and stirred uniformly, after the mixture reacts for 1 hour at 60 ℃, maya blue-like pigment dispersion liquid is added, after the mixture is mixed and stirred uniformly, 2.0 g of amino-functionalized organopolysiloxane is added, the mixture is stirred and reacts for 2 hours at 85 ℃, the temperature of the system is reduced to 60 ℃, 1.87 g of dimethylolpropionic acid and two drops of dibutyltin dilaurate are added, the mixture is stirred and reacts for 1 hour at constant temperature, and the viscosity of the system is adjusted by acetone; cooling to 40 ℃, adding 1.39 g of triethylamine and 100 ml of deionized water, stirring at a high speed and emulsifying for 30 min to obtain a Maya blue-like modified organosilicon waterborne polyurethane prepolymer; 1.8 g of 1, 4-butanediol is added into the prepolymer, and the temperature is raised to 50 ℃ to carry out chain extension for 4 hours; after the system is formed into uniform emulsion, acetone is removed at 50 ℃ and 0.1 MPa to obtain the Maya blue-red modified attapulgite-based organosilicon waterborne polyurethane emulsion.

S3 nail polish preparation: 87 parts of attapulgite-based Maya blue-red modified organosilicon waterborne polyurethane emulsion, 10 parts of waterborne acrylic emulsion, 0.5 part of BYK375 flatting agent, 0.5 part of defoaming agent BYK019 and 2 parts of thickener HEYU-8807 are put into a pulling cylinder and stirred at a high speed of 1000 r/min for 1 hour to be uniformly mixed, and the environment-friendly Maya blue-red waterproof nail polish is prepared.

The appearance, color, fastness and drying time performance of the nail polish of the embodiment 1-3 and the commercial comparative example were respectively tested according to the national standard QB-T2287-2011.

Appearance: intact samples were visually inspected at room temperature and in direct sunlight.

Color: visual inspection was performed at room temperature and in direct sunlight.

Firmness: scrubbing a clean glass slide by ethyl acetate at room temperature (20 +/-5) DEG C, brushing a layer of nail polish sample on the glass slide by a brush after the glass slide is dried, drawing five lines which are crossed horizontally and vertically by an embroidery needle after the glass slide is placed for 24 hours, wherein each line is 1 mm apart, and observing that no square falls off.

Drying time: wiping the glass slide clean by ethyl acetate at room temperature (20 +/-5) DEG C and under the condition that the relative humidity is less than or equal to 80 percent, brushing the glass slide with a pen full of nail polish sample at one time after the glass slide is dried, immediately pressing a stopwatch until no adhesive force exists when fingers contact the glass slide, and recording the time to obtain the drying time.

And (3) testing water resistance: and (5) putting the formed template into water at room temperature for 30 min, and observing the edge rising phenomenon.

Stability: the assay was simulated by centrifugation accelerated sedimentation experiments. Pouring a proper amount of nail polish sample into a clean dry centrifuge tube, placing the centrifuge tube into a centrifuge for centrifugation for 15 min at the rotating speed of 3000 r/min, and taking out the centrifuge tube to prove that the prepared nail polish can be stably stored for 6 months if the emulsion does not precipitate.

Note: the appearance, color, fastness, water resistance and stability of the nail polish are represented by numbers 1-5, with higher numbers being preferred.

TABLE 1

Sample name	Appearance of the product	Color	Firmness	Drying time(s)	Water resistance	Stability of
							Example 1	5	5	5	135	5	5
Example 2	5	5	5	125	5	5
							Example 3	5	5	5	110	5	5
Comparative example	4	5	4	185	4	4

The above embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.