CN114086431A - High-stain-resistance decorative paper and preparation method thereof - Google Patents

Abstract

The application relates to the technical field of decorative materials, and particularly discloses high stain-resistant decorative paper and a preparation method thereof, wherein the high stain-resistant decorative paper comprises base paper, a water-based ink layer and a gum dipping layer, wherein the water-based ink layer and the gum dipping layer are sequentially dipped on the surface of the base paper from inside to outside, and the gum dipping layer comprises the following raw materials in parts by weight: 25-30 parts of melamine formaldehyde resin, 15-20 parts of nano silicon dioxide, 10-20 parts of nano titanium dioxide, 10-20 parts of nano silver oxide, 200.4-0.8 part of polysorbate, 0.1-0.5 part of ammonium chloride, 0.5-1 part of sodium dodecyl benzene sulfonate, 0.2-0.6 part of hard fatty acid amide dust remover and 0.5-1 part of emulsified methyl silicone oil. The surface pollution resistance of the decorative paper can reach 5 grades at most, the abrasion-resistant revolution can reach 8935r/min, and the decorative paper shows higher pollution resistance and friction resistance.

Description

High-stain-resistance decorative paper and preparation method thereof

Technical Field

The application relates to the field of decorative materials, in particular to high stain-resistant decorative paper and a preparation method thereof.

Background

Decorative paper is an essential raw material for many building material products, and is placed under surface paper in the product structure, and mainly provides the decorative effect of patterns and the covering effect of preventing bottom glue solution from seeping.

The decorative paper is mainly applied to the decoration of the surfaces of boards such as wood floors, door panels, artificial boards and the like, and is widely applied. But the stain resistance is poor, and when the decorative paper is particularly applied to places such as toilets and kitchens, the decorative paper is easy to breed bacteria and mildew due to frequent contact with sewage, so that the service life of the decorative paper is shortened.

Disclosure of Invention

In order to improve the stain resistance of the decorative paper, the application provides the high stain resistance decorative paper and a preparation method thereof.

In a first aspect, the application provides a high stain-resistant decorative paper, which adopts the following technical scheme:

the high stain-resistant decorative paper comprises base paper, and a water-based ink layer and a gum dipping layer which are sequentially dipped on the surface of the base paper from inside to outside, wherein the gum dipping layer is formed by dipping the surface of the water-based ink layer with gum dipping liquid, and the gum dipping liquid comprises the following raw materials in parts by weight: 25-30 parts of melamine formaldehyde resin, 15-20 parts of nano silicon dioxide, 10-20 parts of nano titanium dioxide, 10-20 parts of nano silver oxide, 200.4-0.8 part of polysorbate, 0.1-0.5 part of ammonium chloride, 0.5-1 part of sodium dodecyl benzene sulfonate, 0.2-0.6 part of hard fatty acid amide dust remover and 0.5-1 part of emulsified methyl silicone oil.

By adopting the technical scheme, the water-based ink layer on the surface of the base paper enables the base paper to be more attractive and plays a role in decoration; the water-based ink layer is impregnated on the surface of the printed base paper, so that the color fastness of the decorative paper can be improved, and the water-based ink is prevented from being polluted. The melamine formaldehyde resin has high bonding strength and water resistance, and has certain resistance to chemical substances.

The nano silicon dioxide and the nano titanium dioxide are added as nano particles, so that the problem of pinholes on the surface of the decorative paper can be solved, the situation that the pinholes on the surface of the decorative paper adsorb dust is avoided, the accumulation amount of the dust is reduced, and the stain resistance of the decorative paper is improved. In addition, the surface area of the nano silicon dioxide is large, so that the water-based ink can be firmly adhered to the surface of the decorative paper. The nano silver oxide has an inhibiting effect on microorganisms on the surface of the decorative paper, and can avoid the mildew phenomenon of the decorative paper, so that the stain resistance of the decorative paper is improved.

The polysorbate-20 is a surfactant, is used as an emulsifier and a solubilizer in the gum dipping solution, reduces the surface tension of each raw material of the gum dipping solution, and improves the stability of the gum dipping solution. Ammonium chloride is added as a curing agent and can react with active groups on the molecular structure of the melamine formaldehyde resin to crosslink molecules and form a film, so that the curing speed of the dipping solution on the surface of the base paper is improved. The sodium dodecyl benzene sulfonate is an anionic surfactant, is added as a penetrant, has lipophilic groups and hydrophilic groups, reduces interfacial tension, has strong penetration effect, improves gum dipping speed of base paper, and enables gum dipping to be more uniform. The stearic acid amide dust remover can improve the surface tension of the dipping solution, so that fine dust particles are not easy to enter the dipping solution, and the pollution of the dipping solution is prevented. The emulsified methyl silicone oil is added as a release agent, has higher chemical resistance and heat resistance, and ensures that the surface of the decorative paper is smoother and cleaner.

Preferably, the method comprises the following steps: the impregnation solution also comprises the following raw materials in parts by weight: 5-10 parts of fluorine-containing silane coupling agent, 20-30 parts of N-methyl pyrrolidone, 3-5 parts of stannous chloride and 15-25 parts of ethylene glycol.

By adopting the technical scheme, the fluorine-containing silane coupling agent can be arranged between the nano silicon dioxide and the nano titanium dioxide and organic substances, one end of the hydrolyzed fluorine-containing silane coupling agent can be connected with the nano silicon dioxide and the nano titanium dioxide, the other end of the hydrolyzed fluorine-containing silane coupling agent is connected with an organic matrix to change a hydrophilic surface into a lipophilic surface rich in organic functional groups, the surface organic coating layer improves the compatibility of the nano silicon dioxide and the nano titanium dioxide with various raw materials in a gum dipping solution, the mutual agglomeration of the nano silicon dioxide and the nano titanium dioxide is effectively organized, the dispersibility of the nano silicon dioxide and the nano titanium dioxide is improved, and the stain resistance of decorative paper is further improved.

N-methylpyrrolidone is used to dissolve silica, enhancing the reaction between silica and silane coupling agent. Stannous chloride is added as a catalyst to promote the reaction of the nano silicon dioxide and the nano titanium dioxide with the fluorine-containing silane coupling agent. The glycol promotes the dispersion of the nano titanium dioxide in the system and has the function of dissolving the silicon dioxide.

Preferably, the method comprises the following steps: the weight ratio of the fluorine-containing silane coupling agent to the nano silicon dioxide is 1: (2-4).

By adopting the technical scheme, the weight ratio of the fluorine-containing silane coupling agent to the nano silicon dioxide is adjusted, so that the stability and the dispersibility of the nano silicon dioxide in a system are improved, and the stain resistance of the decorative paper is improved.

Preferably, the method comprises the following steps: the weight ratio of the nano titanium dioxide to the glycol is 1: (1-2).

By adopting the technical scheme, the weight ratio of the nano titanium dioxide to the ethylene glycol is adjusted, so that the stability and the dispersibility of the nano titanium dioxide in a system are improved, and the stain resistance of the decorative paper is improved.

Preferably, the method comprises the following steps: the fluorine-containing silane coupling agent is heptadecafluorodecyltrimethoxysilane.

By adopting the technical scheme, the fluorine-containing silane coupling agent has smaller surface tension, can wet the surfaces of the nano silicon dioxide and the nano titanium dioxide more easily, improves the treatment uniformity of the silane coupling agent, and further improves the functions of the nano silicon dioxide and the nano titanium dioxide in a system, thereby improving the pollution resistance of the decorative paper.

Preferably, the method comprises the following steps: the water-based ink comprises the following raw materials in parts by weight: 40-50 parts of water-based acrylic resin, 20-30 parts of color paste, 0.5-1 part of triethylamine, 5-15 parts of polysiloxane flatting agent, 5-15 parts of polyoxypropylene glycerol ether, 5-7 parts of dust-proof agent, 5-10 parts of sodium dodecyl sulfate and 3-5 parts of water.

By adopting the technical scheme, the water-soluble acrylic modified resin is selected as the binder of the water-based ink, and has high glossiness, weather resistance, heat resistance, water resistance, chemical resistance and pollution resistance. The triethylamine is added as a curing agent, so that the water-based ink has good chemical corrosion resistance and mechanical property, and the curing time of the water-based ink on the surface of the base paper is prolonged. The modified polysiloxane leveling agent can promote the water-based ink to form a flat, smooth and uniform water-based ink layer in the drying and film-forming process of the surface of the base paper. The polyoxypropylene glycerol ether is added as a defoaming agent, so that the surface tension of water, solution, suspension and the like can be reduced, and the foam formation in the water-based ink is reduced. The dustproof agent has good wear resistance, aging resistance, corrosion resistance and the like, and can prevent external pollution particles from entering the water-based ink and prevent the water-based ink from being polluted. The sodium dodecyl sulfate is added as an emulsifier to reduce the surface tension of each raw material of the water-based ink and improve the stability of each raw material of the water-based ink.

Preferably, the method comprises the following steps: the waterborne acrylic resin is obtained by grafting modification treatment of epoxy resin; the dust-proof agent is N-methyl pyrrolidone solution of modified polyurea.

By adopting the technical scheme, the acrylic resin grafted and modified by the epoxy resin is better in heat resistance, water resistance, chemical resistance and pollution resistance compared with the common unmodified acrylic resin.

In a second aspect, the application provides a preparation method of any one of the above high stain-resistant decorative papers, which is specifically realized by the following technical scheme:

a preparation method of high stain-resistant decorative paper comprises the following operation steps:

preparing a water-based ink layer: mixing water-soluble acrylic resin, color paste, triethylamine, a polysiloxane flatting agent, polyoxypropylene glycerol ether, a dustproof agent, sodium dodecyl sulfate and water, and uniformly stirring to obtain water-based ink;

printing: printing water-based ink on the surface of base paper, and drying at the temperature of 80-100 ℃ to obtain semi-finished decorative paper;

preparing a gum dipping solution: mixing melamine, formaldehyde, nano silicon dioxide, nano titanium dioxide and other raw materials, and uniformly stirring to obtain a gum dipping solution;

primary gum dipping: performing double-sided gum dipping treatment on the printed semi-finished decorative paper at the temperature of 25-30 ℃, wherein the total gum applying amount is 45-50%, and then drying at the temperature of 100-130 ℃;

secondary gum dipping: and (3) performing double-sided gum dipping treatment on the semi-finished decorative paper subjected to the primary gum dipping at the temperature of 30-35 ℃, wherein the total gum applying amount is 60-65%, and then drying at the temperature of 100-130 ℃ to obtain the decorative paper.

In summary, the present application includes at least one of the following beneficial technical effects:

(1) the surface contamination resistance, color fastness, surface adhesion, aging resistance and wear-resistant revolution of the decorative paper are all generally superior to those of comparative examples 1-3, the surface contamination resistance of the decorative paper can reach 5 levels at most, the wear-resistant revolution can reach 8935r/min, and the surface has higher contamination resistance and friction resistance.

(2) The N-methyl pyrrolidone solution of nano silicon dioxide, nano titanium dioxide, nano silver oxide, water-soluble acrylic acid modified resin and modified polyurea added in the raw material of the decorative paper improves the surface stain resistance and the wear-resistant revolution of the decorative paper to different degrees.

Detailed Description

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

The polysiloxane flatting agent is a modified polysiloxane flatting agent, and the water-based acrylic resin is water-based modified acrylic resin subjected to grafting modification treatment by epoxy resin.

The following raw materials are all commercially available products, and are all fully disclosed, and should not be understood as limiting the sources of the raw materials, and specifically: the melamine formaldehyde resin is selected from Hebei Hengjing chemical industry Co., Ltd, and the effective concentration is 98%; the nano silicon dioxide is selected from Shanghai Jiangjiang chemical industry Co., Ltd, and the particle size is 10 nm; the nano titanium dioxide is selected from Shanghai Yingyun New Material Co., Ltd, and the particle size is 25 nm; the modified polysiloxane leveling agent is selected from the model Sjoy-W4550 of Hunan and chemical Limited; the nanometer silver oxide is selected from Nemacystus decipiens new macro material Co., Ltd, 0.1 μm; the polysorbate-20 is selected from Wuhan Jixin Yibang Biotech limited, and the content of effective substances is 98%; the emulsified methyl silicone oil is selected from chemical industry Co., Ltd; the fluorine-containing silane coupling agent is selected from Nanjing Quanxi chemical company, and has the model number of QX-1723; the N-methyl pyrrolidone is selected from Jinan Yuanxiang chemical industry Co., Ltd, and the content of effective substances is 99%; the waterborne modified acrylic resin is selected from new material science and technology company of Changzhou Spinosi, model 799; n-methylpyrrolidone solution of modified polyurea, selected from Shanghai Hui research New materials Co., Ltd., type HY 420; the polyoxypropylene glycerol ester is selected from Haian petrochemical plant of Jiangsu province, and the content of effective substances is 99.5%.

Preparation example 1

The gum dipping solution is prepared by the following method:

according to the mixing amount shown in the table 1, melamine formaldehyde resin, nano silicon dioxide, nano titanium dioxide, nano silver oxide, polysorbate-20, ammonium chloride, sodium dodecyl benzene sulfonate, a hard fatty acid amide dust remover and emulsified methyl silicone oil are mixed and stirred uniformly to obtain a gum dipping solution.

Preparation examples 2 to 3

The dip solutions of preparation examples 2 to 3 were prepared in the same manner as in preparation example 1, except that the raw materials were different in composition, and the details are shown in table 1.

TABLE 1 stock contents (unit: g) of the impregnation liquids of preparation examples 1 to 3

Preparation examples 4 to 5

The impregnation solutions of preparation examples 4 to 5 were prepared in the same manner as in preparation example 2, except that the raw material components were different, as shown in Table 2.

TABLE 2 blending amounts (unit: g) of respective raw materials of the dipping solutions of preparation examples 4 to 5

Preparation example 6

The gum dipping solution is prepared by the following method:

according to the mixing amount shown in the table 3, melamine formaldehyde resin, nano silicon dioxide, nano titanium dioxide, nano silver oxide, polysorbate-20, ammonium chloride, sodium dodecyl benzene sulfonate, hard fatty acid amide dedusting agents, emulsified methyl silicone oil, fluorine-containing silane coupling agents, N-methyl pyrrolidone, stannous chloride and ethylene glycol are mixed and stirred uniformly to obtain the gum dipping solution.

Preparation examples 7 to 8

The impregnation solutions of preparation examples 7 to 8 were prepared in the same manner as in preparation example 6, except that the raw material components were different, as shown in Table 3.

TABLE 3 blending amounts (unit: g) of respective raw materials of the dipping solutions of preparation examples 6 to 8

Preparation examples 9 to 11

The impregnation solutions of preparation examples 9 to 11 were prepared in the same manner as in preparation example 6, except that the raw material components were different, as shown in Table 4.

TABLE 4 blending amounts (unit: g) of respective raw materials of the impregnation liquids of preparation examples 9 to 11

Preparation examples 12 to 13

The dip solutions of preparation examples 12 to 13 were prepared in the same manner as in preparation example 6, except that the raw material components were different, and the details are shown in table 5.

TABLE 5 blending amounts (unit: g) of respective raw materials of the dipping solutions of preparation examples 12 to 13

Raw materials	Preparation example 12	Preparation example 13
			Melamine formaldehyde resin	28	28
Nano silicon dioxide	15	15
			Nano titanium dioxide	10	10
Nano silver oxide	15	15
			Polysorbate-20	0.6	0.6
Ammonium chloride	0.3	0.3
			Sodium dodecyl benzene sulfonate	0.7	0.7
Hard fatty acid amide dust remover	0.4	0.4
			Emulsified methyl silicone oil	0.8	0.8
Fluorine-containing silane coupling agent	5	5
			N-methyl pyrrolidone	25	25
Stannous chloride	3	5
			Ethylene glycol	15	15

Preparation example 14

The water-based ink is prepared by the following method:

referring to the blending amount in table 6, water-soluble acrylic acid modified resin, color paste, triethylamine, a modified polysiloxane leveling agent, polyoxypropylene glycerol ether, a modified polyurea N-methyl pyrrolidone solution, sodium dodecyl sulfate and water are mixed and stirred uniformly to obtain the water-based ink.

Preparation examples 15 to 16

The aqueous inks of preparation examples 15 to 16 were prepared in exactly the same manner as in preparation example 14, except that the respective raw material components were different, as shown in Table 6.

TABLE 6 amount of each raw material for the aqueous inks of preparation examples 14 to 16 (unit: g)

Preparation examples 17 to 18

The aqueous inks of preparation examples 17 to 18 were prepared in the same manner as in preparation example 15 except that the respective raw material components were different, and the details are shown in Table 7.

TABLE 7 amount of each raw material used in the Water-based inks of preparation examples 17 to 18 (unit: g)

Example 1

The high stain-resistant decorative paper comprises base paper, and a water-based ink layer and a gum dipping layer which are sequentially dipped on the surface of the base paper from inside to outside, and is prepared by the following method:

printing: printing the water-based ink prepared in the preparation example 14 on the surface of base paper, and drying at 100 ℃ to obtain semi-finished decorative paper;

primary gum dipping: performing double-sided gum dipping treatment on the printed semi-finished decorative paper at the temperature of 30 ℃, wherein the gum dipping solution is prepared in the preparation example 1, the total gum applying amount is 50%, and then drying at the temperature of 130 ℃;

secondary gum dipping: and (2) performing double-sided gum dipping treatment on the semi-finished decorative paper subjected to the primary gum dipping at the temperature of 35 ℃, wherein the gum dipping solution is the gum dipping solution prepared in the preparation example 1, the total gum applying amount is 65%, and then drying at the temperature of 130 ℃ to obtain the decorative paper.

Examples 2 to 5

The decorative papers of examples 2-5 were prepared exactly the same as in example 1, except that the aqueous inks prepared in preparation examples 15-18 were used as the aqueous inks.

Examples 6 to 17

The decorative papers of examples 6 to 17 are completely the same as the preparation method and raw material types of example 2, except that the impregnation solution prepared in preparation examples 2 to 13 is selected as the impregnation solution.

Example 18

The decorative paper of example 18 has the same preparation method and raw material types as those of example 1, except that the water-based ink is 900 model number, which is obtained from Shenzhen and ink science and technology Co.

Comparative example 1

The decor paper of comparative example 1 was prepared exactly as in example 1, with the following differences: the raw materials of the dipping solution are not added with nano silicon dioxide, and the other raw materials and the mixing amount are the same as those of the embodiment 1.

Comparative example 2

The decor paper of comparative example 2 was prepared exactly as in example 1, with the following differences: the raw materials of the dipping solution are not added with the nano titanium dioxide, and the other raw materials and the mixing amount are the same as those of the embodiment 1.

Comparative example 3

The decor paper of comparative example 3 was prepared exactly as in example 1, with the following differences: the raw materials of the dipping solution are not added with nano silver oxide, and the other raw materials and the doping amount are the same as those of the embodiment 1. Performance test surface contamination resistance: the surface stain resistance of the decorative paper of examples 1-18 and comparative examples 1-3 was measured by GB/T15102-2006 "artificial board faced with impregnated bond paper", acetone was dropped on the surface of each sample, the samples were allowed to stand for 24 hours and then wiped, and the presence of stain or corrosion on the surface of the decorative paper was observed, and the measurement results are shown in Table 8.

Color fastness: the decorative papers of examples 1 to 18 and comparative examples 1 to 3 were tested for light fastness using GB/T16422.2-1999, the standard requirements being ≥ grade 4, and the test results are shown in Table 8.

Surface adhesion: the adhesion of the treated layers of the decorative papers of examples 1 to 18 and comparative examples 1 to 3 was measured by ASTM D3330, the surface of each sample was taped, and the appearance of the tape was observed for 10 times with no significant change, and the test results are shown in table 8. .

Aging resistance: the decorative papers of examples 1 to 18 and comparative examples 1 to 3 were tested for aging resistance using GB/T7911-.

Wear-resistant revolution number: GB/T17657 and 2013 physicochemical property test method for artificial boards and decorative artificial boards are adopted to measure the wear-resisting revolution number of the decorative paper of examples 1-18 and comparative examples 1-3, 180-mesh sand paper is selected to test the surface of the sample, and the measurement result is shown in Table 8.

TABLE 8 Performance test results for various decorative sheets

The detection results of Table 8 show that the surface contamination resistance, color fastness, surface adhesion, aging resistance and wear resistance revolution of the decorative paper of the application are generally superior to those of comparative examples 1-3, the surface contamination resistance of the decorative paper of the application can reach 5 grades at most, the wear resistance revolution can reach 8935r/min, and the surface has higher contamination resistance and friction resistance.

In examples 1 to 3, the surface stain resistance and the abrasion resistance revolution of the decorative paper of example 2 are respectively 3 grades and 8435r/min, which are higher than the surface stain resistance and the abrasion resistance revolution of the decorative paper of examples 1 and 3, and the results show that the raw materials of the water-based ink of the decorative paper of example 2 comprise color paste, triethylamine, the modified polysiloxane leveling agent, polyoxypropylene glycerol ether and sodium dodecyl sulfate in proper weight parts, and the water-based ink has higher surface stain resistance and abrasion resistance.

In examples 2 and 4 to 5, the surface stain resistance and the abrasion resistance revolution number of the decorative paper of example 2 were higher than those of examples 4 to 5, indicating that the N-methylpyrrolidone solution containing the water-soluble acrylic modified resin and the modified polyurea was suitable in the raw material of the decorative paper of example 2, and that the surface stain resistance and the abrasion resistance were high.

In examples 6 to 7, the surface contamination resistance and abrasion resistance of the decorative paper of example 6 were respectively class 4 and 8634r/min, which are higher than those of example 7, indicating that the raw materials in the gum dipping solution of the decorative paper of example 6 comprise melamine formaldehyde resin, polysorbate-20, ammonium chloride, sodium dodecyl benzene sulfonate, a stearyl fatty acid amide dedusting agent and emulsified methyl silicone oil in proper weight parts, and the decorative paper has higher surface contamination resistance and abrasion resistance.

In example 6 and examples 8-9, the surface contamination resistance and the wear resistance revolution of the decorative paper of example 6 are higher than those of examples 8-9, which shows that the nano silver oxide in the raw material of the gum dipping solution of the decorative paper of example 6 has proper weight parts and has higher surface contamination resistance and wear resistance.

In examples 10 to 12, the surface contamination resistance and the abrasion resistance revolution of the decorative paper of example 11 were respectively 4-grade and 8745r/min, which were higher than those of the decorative papers of examples 10 and 12, indicating that the fluorine-containing silane coupling agent and the nano-silica are optimally mixed in the weight ratio of 1:3 in the decorative paper raw material of example 11, and excellent contamination resistance and abrasion resistance were exhibited.

In examples 13-15, the surface contamination resistance and the abrasion resistance revolution of the decorative paper of example 14 are respectively 5 grades and 8935r/min, which are higher than the surface contamination resistance and the abrasion resistance revolution of the decorative paper of examples 13 and 15, and show that the nano titanium dioxide and the ethylene glycol are mixed in the weight ratio of 1:1.5 in the decorative paper raw material of example 14, which is most suitable for showing excellent contamination resistance and abrasion resistance.

In example 14 and examples 16 to 17, the surface contamination resistance and the wear resistance revolution of the decorative paper of example 14 were higher than those of examples 16 to 17, which indicates that the raw material of the gum dipping solution for the decorative paper of example 14 contains stannous chloride in a proper amount by weight, and has higher surface contamination resistance and wear resistance. Compared with the example 1, the color fastness of the decorative paper of the example 18 is 3 grades, and obvious damage appears after the surface adhesion is detected, which shows that the color fastness of the decorative paper and the surface adhesion of the water-based ink on the base paper can be improved by the water-based ink provided by the application.

In addition, in comparative example 1 and comparative examples 1 to 3, it was found that the N-methylpyrrolidone solutions of nano silica, nano titania, nano silver oxide, water-soluble acrylic modified resin, and modified polyurea added to the raw materials of the decorative paper of the present application all improved the surface stain resistance and abrasion resistance of the decorative paper to different degrees.

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 (8)

1. The high stain-resistant decorative paper is characterized by comprising base paper, and a water-based ink layer and a gum dipping layer which are sequentially dipped on the surface of the base paper from inside to outside, wherein the gum dipping layer is formed by dipping a gum dipping solution on the surface of the water-based ink layer, and the gum dipping solution comprises the following raw materials in parts by weight: 25-30 parts of melamine formaldehyde resin, 15-20 parts of nano silicon dioxide, 10-20 parts of nano titanium dioxide, 10-20 parts of nano silver oxide, 200.4-0.8 part of polysorbate, 0.1-0.5 part of ammonium chloride, 0.5-1 part of sodium dodecyl benzene sulfonate, 0.2-0.6 part of hard fatty acid amide dust remover and 0.5-1 part of emulsified methyl silicone oil.

2. The high stain-resistant decorative paper of claim 1 wherein the gum dipping solution further comprises the following raw materials in parts by weight: 5-10 parts of fluorine-containing silane coupling agent, 20-30 parts of N-methyl pyrrolidone, 3-5 parts of stannous chloride and 15-25 parts of ethylene glycol.

3. The high stain resistant decorative paper according to claim 2 wherein the weight ratio of the fluorine-containing silane coupling agent to the nano silica is 1: (2-4).

4. The high stain resistant decorative paper according to claim 2, wherein the weight ratio of the nano titanium dioxide to the glycol is 1: (1-2).

5. The highly stain resistant decor paper of claim 2 wherein the fluorine containing silane coupling agent is heptadecafluorodecyltrimethoxysilane.

6. The high stain resistant decorative paper of claim 1 wherein the water based ink comprises the following raw materials by weight: 40-50 parts of water-based acrylic resin, 20-30 parts of color paste, 0.5-1 part of triethylamine, 5-15 parts of polysiloxane flatting agent, 5-15 parts of polyoxypropylene glycerol ether, 5-7 parts of dust-proof agent, 5-10 parts of sodium dodecyl sulfate and 3-5 parts of water.

7. The high stain resistant decor paper of claim 6 wherein: the waterborne acrylic resin is obtained by grafting modification treatment of epoxy resin; the dust-proof agent is N-methyl pyrrolidone solution of modified polyurea.

8. A method for preparing the high stain resistant decorative paper according to any one of claims 1 to 7, comprising the following steps:

preparing a water-based ink layer: mixing the water-based acrylic resin, the color paste, triethylamine, the polysiloxane flatting agent, the polyoxypropylene glycerol ether, the dust-proof agent, the sodium dodecyl sulfate and water, and uniformly stirring to obtain the water-based ink;

printing: printing water-based ink on the surface of base paper, and drying at the temperature of 80-100 ℃ to obtain semi-finished decorative paper;

preparing a gum dipping solution: mixing melamine formaldehyde resin, nano silicon dioxide, nano titanium dioxide and other raw materials, and uniformly stirring to obtain a gum dipping solution;

primary gum dipping: performing double-sided gum dipping treatment on the printed semi-finished decorative paper at the temperature of 25-30 ℃, wherein the total gum applying amount is 45-50%, and then drying at the temperature of 100-130 ℃;

secondary gum dipping: and (3) performing double-sided gum dipping treatment on the semi-finished decorative paper subjected to the primary gum dipping at the temperature of 30-35 ℃, wherein the total gum applying amount is 60-65%, and then drying at the temperature of 100-130 ℃ to obtain the decorative paper.