Color paste for manufacturing nail polish glue and preparation method thereof
Technical Field
The invention belongs to the field of daily chemical articles, and particularly relates to color paste for manufacturing nail polish glue and a preparation method thereof.
Background
The nail polish gel has the gloss of the gel and the color of the oil, is a symbol of the latest nail beautifying trend, is compatible with the common advantages of the gel and the nail polish compared with the common nail polish, has full and clear color, is convenient to paint, is quick to dry instantly, and keeps the gloss more lasting. Most of color pastes for manufacturing the nail polish glue in the current market are oily color pastes, the solvent is a monomer or a harmful solvent, the solvent has strong pungent smell, the production and manufacturing process of the color pastes has great harm to the environment and the health of people, the production process requirement is complex, and the energy consumption is high. The aqueous color paste is also called pigment dispersion, and is pigment paste prepared by dispersing pigment particles in water by using water as a dispersion medium, generally comprises water, powdery pigment, a surfactant, a cosolvent, a humectant and the like, and some performance-improving additives are sometimes added according to the use and storage requirements.
Chinese patent 201510643922.9 discloses a quick-drying nail polish gel, which comprises, by mass, 50-80 parts of UV curing resin A, 10-30 parts of UV curing resin B, 10-20 parts of reactive diluent, 10-20 parts of color paste, 0.05-0.1 part of leveling agent, 1-10 parts of wetting agent, 0.2-0.6 part of defoaming agent and 6-10 parts of composite photoinitiator.
Most of color pastes for nail polish glue in the prior art are oily color pastes, the solvent is a monomer or a harmful solvent, the color pastes have strong pungent smell, the production and manufacturing processes of the color pastes are harmful to the environment and the health of people, the production process requirements are complex, and the energy consumption is high.
Disclosure of Invention
The invention aims to provide a non-toxic and environment-friendly color paste for manufacturing nail polish glue, aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is to provide the color paste for manufacturing the nail polish glue, which comprises the following raw materials in parts by mass: 1-7 parts of water-based polymer dispersant, 4-15 parts of water-based dispersion resin and deionized water.
Preferably, the water-based polymer dispersing agent comprises 2-6 parts of water-based dispersing resin, 5-15 parts of water-based dispersing resin and 15-50 parts of deionized water. Preferably, the raw materials comprise 20-70 parts of pigment, 5-15 parts of humectant, 0.1-1 part of pH regulator and 0.1-1.5 parts of thickening agent.
Preferably, the aqueous polymer dispersant is a water-soluble polymer dispersant. The macromolecular dispersant is mainly used for dispersing the pigment through steric hindrance obstacles, is slightly influenced by temperature and pH, and can prevent the pigment from flocculating in the processes of preparation, storage, use and transportation. The macromolecular dispersant enables the pigment in the color paste to be uniformly distributed, improves the tinting strength and the covering power of the color paste and the gloss and the leveling property after a coating is formed, and can also avoid the occurrence of floating and blooming when a plurality of coloring coatings are mixed. The polymer dispersant can obviously reduce the viscosity of the system, and when the dosage of the dispersant is optimal, the viscosity of the system is minimum. Thus, the rheological property of the dispersion system can be improved, the construction is convenient, and the energy is saved.
Preferably, the aqueous dispersion resin is a water-soluble dispersion resin.
Preferably, the water-soluble dispersion resin is one or more of acrylic resin, epoxy resin, polyurethane and polyether aldehyde ketone resin.
Preferably, the humectant is one or more of propylene glycol, glycerol, polyethylene glycol and polypropylene glycol.
Preferably, the pH regulator is one or more of monoethanolamine, diethanolamine, triethanolamine and 2-amino-2-methyl-1-propanol.
Preferably, the thickener is one or more of hydroxyethyl cellulose, carboxymethyl cellulose, bentonite, fumed silica and polyurethane.
The preparation method of the color paste for manufacturing the nail polish glue comprises the following steps: providing raw materials, pre-dispersing, grinding, re-dispersing and filtering.
The method comprises the following specific steps:
(1) preparing raw materials: mixing the following components in parts by mass: 20-70 parts of pigment, 1-7 parts of a high molecular dispersant, 4-15 parts of dispersing resin, 5-15 parts of a humectant, 0.1-1 part of a pH regulator, 0.1-1.5 parts of a thickening agent and 15-50 parts of deionized water;
(2) pre-dispersing: pre-dispersing the raw materials for 1h at the rotating speed of 600 r/min-800 r/min by a dispersion machine;
(3) grinding: grinding the color paste obtained in the step (2) by a sand mill to obtain slurry with the particle size of less than 1 mu m;
(4) and (3) redispersion: stirring the color paste obtained in the step (3) for 1h at the rotating speed of 800 r/min-1100 r/min by a dispersion machine;
(5) and (4) filtering the color paste obtained in the step (4) by a 5-micron filter bag to obtain the finished product color paste.
The invention has the following beneficial effects: the invention takes water as solvent, adopts safe and environment-friendly water-soluble resin and water-soluble dispersant, has no toxicity, no pungent smell, greenness and low pollution in the production process, and has better quality than nail polish gel prepared by other oiliness.
Detailed Description
The following are specific examples of the present invention and further describe the technical solutions of the present invention, but the present invention is not limited to these examples.
Example 1
The embodiment discloses color paste for manufacturing nail polish glue, which is prepared from the following components in parts by mass:
20 parts of pigment;
1 part of a high molecular dispersant, wherein the high molecular dispersant is a water-soluble high molecular dispersant;
4 parts of dispersing resin acrylic resin;
5 parts of humectant polyethylene glycol;
1 part of pH regulator monoethanolamine;
1.5 parts of thickening agent hydroxyethyl cellulose;
50 parts of deionized water.
The method for preparing the color paste according to the proportion of the embodiment comprises the following steps:
(1) preparing raw materials: mixing pigment powder, a high-molecular dispersing agent, dispersing resin, a humectant, a pH regulator, a thickening agent and deionized water;
(2) pre-dispersing: pre-dispersing the raw materials for 1h at the rotating speed of 600 r/min-800 r/min by a dispersion machine;
(3) grinding: grinding the color paste obtained in the step (2) by a sand mill to obtain slurry with the particle size of less than 1 mu m;
(4) and (3) redispersion: stirring the color paste obtained in the step (3) for 1h at the rotating speed of 800 r/min-1100 r/min by a dispersion machine;
(5) and (4) filtering the color paste obtained in the step (4) by a 5-micron filter bag to obtain the finished product color paste.
Example 2
The preparation composition of example 1 was prepared by changing the mass parts of the following components:
70 parts of pigment;
7 parts of a water-soluble polymer dispersant;
15 parts of dispersion resin acrylic resin;
15 parts of humectant polyethylene glycol;
0.1 part of pH regulator monoethanolamine;
0.1 part of thickening agent hydroxyethyl cellulose;
50 parts of deionized water.
The procedure for the preparation of the mill base was the same as in example 1.
Example 3
The preparation composition of example 1 was prepared by changing the mass parts of the following components:
40 parts of pigment;
3 parts of a water-soluble polymer dispersant;
10 parts of acrylic resin dispersion resin;
10 parts of humectant polyethylene glycol;
0.5 part of pH regulator monoethanolamine;
0.5 part of thickening agent hydroxyethyl cellulose;
and 15 parts of deionized water.
The procedure for the preparation of the mill base was the same as in example 1.
Example 4
The preparation composition of example 1 was prepared by changing the mass parts of the following components:
50 parts of a pigment;
4 parts of a water-soluble polymer dispersant;
8 parts of dispersion resin acrylic resin;
8 parts of humectant polyethylene glycol;
0.8 part of pH regulator monoethanolamine;
0.8 part of thickening agent hydroxyethyl cellulose;
30 parts of deionized water.
The process for preparing mill base is the same as in the examples.
Example 5
The preparation composition of example 1 was prepared by changing the mass parts of the following components:
30 parts of pigment;
6 parts of a water-soluble polymer dispersant;
15 parts of dispersion resin acrylic resin;
5 parts of humectant polyethylene glycol;
0.7 part of pH regulator monoethanolamine;
1 part of thickening agent hydroxyethyl cellulose;
and 35 parts of deionized water.
The procedure for the preparation of the mill base was the same as in example 1.
Comparative example 1
The preparation composition of example 1 was prepared by changing the mass parts of the following components:
10 parts of deionized water;
8 parts of dispersant polyurethane high-molecular surfactant;
1 part of defoaming agent polyether organic silicon;
50 parts of filler, wherein the filler is formed by mixing titanium dioxide, organic bentonite and talcum powder;
2 parts of an anti-settling agent;
and 80 parts of pigment.
The procedure for the preparation of the mill base was the same as in example 1.
Comparative example 2
The preparation composition of example 1 was prepared by changing the mass parts of the following components:
20 parts of dispersant acrylic acid;
45 parts of deionized water;
35 parts of organic pigment;
0.15 part of preservative 5-chloro-2-methyl-3-isothiazolone.
The procedure for the preparation of the mill base was the same as in example 1.
Comparative example 3
The preparation composition of example 1 was prepared by changing the mass parts of the following components:
75 parts of pigment;
8 parts of a high molecular dispersant, wherein the high molecular dispersant is a water-soluble high molecular dispersant;
3 parts of dispersing resin, wherein the dispersing resin is acrylic resin;
20 parts of a humectant, wherein the humectant is polyethylene glycol;
1.5 parts of pH regulator, wherein the pH regulator is monoethanolamine;
0.05 part of thickening agent, wherein the thickening agent is hydroxyethyl cellulose;
and 70 parts of deionized water.
The procedure for the preparation of the mill base was the same as in example 1.
Evaluation method
(1) Gloss crossing test
The color pastes obtained in examples and comparative examples were used in the preparation of a nail polish gel, which was tested for gloss after coating using a single angle gloss meter HP-400 (60 ℃ C.) from Hamp instruments Ltd.
(2) Hardness test
The hardness of the nail polish gel obtained above after coating was tested by using a QHQ coating pencil scratch hardness tester of Guangzhou Isray instruments science and technology Co.
Table 1 is a description of the gloss and hardness test data of the prepared nail polish gel after coating.
Table 2 is an illustration of the appearance of the prepared nail polish remover after film coating.
TABLE 1
TABLE 2
The nail polish glue prepared by the water-based color paste has the following advantages:
(1) the glossiness is good;
(2) the hardness is strong;
(3) the formed film is uniform and smooth;
(4) the environment pollution is small, and the harm to the body of an operator is small.
The color paste prepared by the invention is obviously superior to the color paste prepared by the comparative example in both single performance and comprehensive performance.
Since the numerical ranges of the various process parameters involved in the present invention are not necessarily all represented in the above examples, one skilled in the art can fully envision that the present invention can be practiced with any number falling within the above numerical ranges, including any combination of specific values within the numerical ranges. Here, for the sake of brevity, the embodiment giving specific values in a certain numerical range or ranges is omitted, and this should not be construed as an insufficient disclosure of the technical solution of the present invention.
The applicant states that the present invention is illustrated by the above examples to show the detailed process equipment and process flow of the present invention, but the present invention is not limited to the above detailed process equipment and process flow, i.e. it does not mean that the present invention must rely on the above detailed process equipment and process flow to be implemented. It should be understood by those skilled in the art that any modification of the present invention, equivalent replacement of the raw materials of the product of the present invention, addition of auxiliary components, selection of specific modes, etc., fall within the scope of the present invention.