CN114804863A - High-wear-resistance composite material for preparing porcelain teeth and preparation method thereof - Google Patents

Abstract

The invention relates to the technical field of medical materials, in particular to a high-wear-resistance composite material for preparing porcelain teeth and a preparation method thereof. The high-wear-resistance composite material is prepared from the following raw materials in parts by weight: 20-30 parts of metal oxide, 8-15 parts of metal nitride whisker, 18-30 parts of titanium dioxide, 10-30 parts of silicon dioxide, 30-40 parts of zirconium dioxide, 5-8 parts of silver preparation, 120-160 parts of 80% ethanol and 50-70 parts of deionized water. According to the invention, titanium dioxide modified by a titanate coupling agent is added, so that the corrosion and abrasion of artificial saliva on porcelain tooth materials can be slowed down to a certain extent, and the life cycle of porcelain teeth is prolonged; according to the invention, the silane coupling agent modified zirconium dioxide is added, so that the mechanical property of the porcelain tooth material can be enhanced, and the porcelain tooth material can meet the use requirements of people in daily life.

Description

High-wear-resistance composite material for preparing porcelain teeth and preparation method thereof

Technical Field

The invention relates to the technical field of medical materials, in particular to a high-wear-resistance composite material for preparing porcelain teeth and a preparation method thereof.

Background

The zirconia all-ceramic material is one of oral repair materials emerging in recent years, and is increasingly widely applied in the medical field. The zirconia all-ceramic material has the advantages of excellent visual effect, good biocompatibility, abrasion resistance, corrosion resistance, enough strength and the like, and is commonly used for manufacturing high-end restorations such as ceramic crown bridges, ceramic veneers, ceramic inlays and the like. However, zirconia is as same as glass material, and has the problems of large brittleness, weak bending resistance and the like, so the zirconia all-ceramic prosthesis is required to have certain thickness to avoid fracture, and the thickness is increased, namely, more tooth tissues are required to be ground, and the damage to teeth is large. In addition, the inherent brittleness of the zirconium oxide increases the processing and manufacturing difficulty of the zirconium oxide all-ceramic prosthesis, and microcracks are easily formed in the processing process, so that the edge of the dental crown is cracked.

Based on the situation, the invention provides a high-wear-resistance composite material for preparing porcelain teeth and a preparation method thereof, which can effectively solve the problems.

Disclosure of Invention

The invention aims to provide a high-wear-resistance composite material for preparing porcelain teeth and a preparation method thereof.

In order to achieve the aim, the invention provides a high-wear-resistance composite material for preparing porcelain teeth, which is prepared from the following raw materials in parts by weight: 20-30 parts of metal oxide, 8-15 parts of metal nitride whisker, 18-30 parts of titanium dioxide, 10-30 parts of silicon dioxide, 30-40 parts of zirconium dioxide, 5-8 parts of silver preparation, 120-160 parts of 80% ethanol and 50-70 parts of deionized water.

Preferably, the metal-oxygen compound comprises one or a combination of more than two of zinc oxide, yttrium oxide, aluminum oxide and magnesium oxide.

Preferably, the metal nitride whiskers are silicon nitride whiskers.

Preferably, the titanium dioxide is titanium dioxide modified by a titanate coupling agent.

Preferably, the titanate coupling agent comprises one or a combination of two or more of isopropyl trioctyl phosphate acyloxy titanate, diisopropoxy diacetone titanate, bis (dioctyloxypyrophosphate) ethylene titanate, isopropyl tri (dioctylpyrophosphate) titanate.

Preferably, the silica is a silane coupling agent modified silica.

Preferably, the zirconium dioxide is silane coupling agent modified zirconium dioxide.

Preferably, the silane coupling agent comprises one or the combination of more than two of KH550, KH560, KH570, KH590, Si-69 and Si-75.

Preferably, the silver formulation is nanosilver.

Preferably, the high-wear-resistance composite material is prepared from the following raw materials in parts by weight: : 10-15 parts of aluminum oxide, 10-15 parts of magnesium oxide, 8-15 parts of silicon nitride whisker, 18-30 parts of titanium dioxide, 20-35 parts of isopropyl trioctyl phosphate acyloxy titanate, 10-30 parts of silicon dioxide, 10-35 parts of KH590 coupling agent, 30-40 parts of zirconium dioxide, 35-45 parts of Si-75 coupling agent, 5-8 parts of nano silver, 120-160 parts of 80% ethanol and 50-70 parts of deionized water.

Preferably, the high-wear-resistance composite material is prepared from the following raw materials in parts by weight: 10 parts of aluminum oxide, 10 parts of magnesium oxide, 8 parts of silicon nitride whisker, 18 parts of titanium dioxide, 20 parts of isopropyl trioctyl phosphate acyloxy titanate, 10 parts of silicon dioxide, 10 parts of KH590 coupling agent, 30 parts of zirconium dioxide, 35 parts of Si-75 coupling agent, 5 parts of nano silver, 120 parts of 80% ethanol and 50 parts of deionized water.

Preferably, the high-wear-resistance composite material is prepared from the following raw materials in parts by weight: 15 parts of aluminum oxide, 15 parts of magnesium oxide, 15 parts of silicon nitride whisker, 30 parts of titanium dioxide, 35 parts of isopropyl trioctyl phosphate acyloxy titanate, 30 parts of silicon dioxide, 35 parts of KH590 coupling agent, 40 parts of zirconium dioxide, 45 parts of Si-75 coupling agent, 8 parts of nano silver, 160 parts of 80% ethanol and 70 parts of deionized water.

The invention also provides a preparation method of the high-wear-resistance composite material for preparing the porcelain teeth, which comprises the following steps:

(1) mixing 85% ethanol with a formula amount of 1/4 and isopropyl trioctyl phosphate acyloxy titanate, stirring for 10-15 min at 50-60 ℃, then adding titanium dioxide, and reacting for 1-1.5 h at 90-95 ℃ to obtain titanium dioxide modified by a titanate coupling agent;

(2) mixing 85% ethanol with a formula amount of 1/4 with KH590, stirring for 10-15 min at 50-60 ℃, then adding silicon dioxide, and reacting for 1-1.5 h at 110-120 ℃ to obtain silicon dioxide modified by a silane coupling agent;

(3) mixing 85% ethanol with the formula amount of 1/4 and Si-75, stirring for 10-15 min at 50-60 ℃, then adding zirconium dioxide, and reacting for 2-2.5 h at 120-150 ℃ to obtain silane coupling agent modified zirconium dioxide;

(4) stirring and mixing the titanium dioxide modified by the titanate coupling agent, the silicon dioxide modified by the silane coupling agent, the zirconium dioxide modified by the silane coupling agent, the nano silver and 80% ethanol according to the formula amount at 500-600 rpm for 30-40 min to obtain a modified mixture;

(5) adding deionized water into aluminum oxide, magnesium oxide and silicon nitride whiskers, carrying out ball milling for 18-20 h, adding the modified mixture obtained in the step (4), continuing ball milling for 5-6 h, drying, sieving, carrying out compression molding under the pressure of 35-40 MPa, and then carrying out pressure maintaining for 10-15 s under the pressure of 120-130 MPa;

(6) and (3) placing the product after the press forming into an atmosphere pressure sintering furnace, sintering in a nitrogen atmosphere, wherein the sintering pressure is 4.5-5.0 MPa, raising the temperature to 1800-1850 ℃ at the heating rate of 200 ℃/min, preserving the temperature for 15-20 min, then reducing the temperature at the rate of 150 ℃/min, and performing sand blasting, pretreatment, vacuum aseptic packaging to obtain the product.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, titanium dioxide modified by a titanate coupling agent is added, so that the corrosion and abrasion of artificial saliva on porcelain tooth materials can be slowed down to a certain extent, and the life cycle of porcelain teeth is prolonged; according to the invention, the silane coupling agent modified zirconium dioxide is added, so that the mechanical property of the porcelain tooth material can be enhanced, and the porcelain tooth material can meet the use requirements of people in daily life.

2. The raw materials of the invention are sufficient in China and proper in price, so that the large-scale production of the invention is not limited by too high cost; meanwhile, the preparation method is simple, the total production cost is low, and the industrial large-scale production is facilitated.

Detailed Description

Example 1

The specific raw materials were weighed as in table 1, and the preparation steps were as follows:

(1) mixing 85% ethanol with 1/4 formula amount and isopropyl trioctyl phosphate acyloxy titanate, stirring for 15min at 50 ℃, then adding titanium dioxide, and reacting for 1.5h at 90 ℃ to obtain titanium dioxide modified by titanate coupling agent;

(2) mixing 85% ethanol with a formula amount of 1/4 and KH590, stirring at 50 ℃ for 15min, then adding silicon dioxide, and reacting at 110 ℃ for 1.5h to obtain silicon dioxide modified by a silane coupling agent;

(3) mixing 85% ethanol with the formula amount of 1/4 and Si-75, stirring for 15min at 50 ℃, then adding zirconium dioxide, and reacting for 2.5h at 120 ℃ to obtain silane coupling agent modified zirconium dioxide;

(4) stirring and mixing the titanium dioxide modified by the titanate coupling agent, the silicon dioxide modified by the silane coupling agent, the zirconium dioxide modified by the silane coupling agent, the nano-silver and 80% ethanol according to the formula amount at 500rpm for 40min to obtain a modified mixture;

(5) adding deionized water into aluminum oxide, magnesium oxide and silicon nitride whiskers, carrying out ball milling for 18h, adding the modified mixture obtained in the step (4), continuing ball milling for 5h, drying, sieving, carrying out compression molding under the pressure of 35MPa, and then carrying out pressure maintaining for 15s under the pressure of 120 MPa;

(6) and (3) putting the product after the press forming into an atmosphere pressure sintering furnace, sintering in a nitrogen atmosphere, wherein the sintering pressure is 4.5-5.0 MPa, heating to 1800 ℃ at a heating rate of 200 ℃/min, preserving heat for 20min, cooling at a rate of 150 ℃/min, sand blasting, pretreating, and carrying out vacuum sterile packaging to obtain the product.

Example 2

The specific raw materials were weighed as in table 1, and the preparation steps were as follows:

(1) mixing 85% ethanol with 1/4 formula amount and isopropyl trioctyl phosphate acyloxy titanate, stirring at 60 ℃ for 10min, then adding titanium dioxide, and reacting at 95 ℃ for 1h to obtain titanium dioxide modified by titanate coupling agent;

(2) mixing 85% ethanol with a formula amount of 1/4 and KH590, stirring at 60 ℃ for 10min, then adding silicon dioxide, and reacting at 120 ℃ for 1h to obtain silicon dioxide modified by a silane coupling agent;

(3) mixing 85% ethanol with the formula amount of 1/4 and Si-75, stirring for 10min at 60 ℃, then adding zirconium dioxide, and reacting for 2.5h at 120 ℃ to obtain silane coupling agent modified zirconium dioxide;

(4) stirring and mixing the titanium dioxide modified by the titanate coupling agent, the silicon dioxide modified by the silane coupling agent, the zirconium dioxide modified by the silane coupling agent, the nano-silver and 80% ethanol according to the formula amount at 600rpm for 30min to obtain a modified mixture;

(5) adding deionized water into aluminum oxide, magnesium oxide and silicon nitride whiskers, carrying out ball milling for 20h, adding the modified mixture obtained in the step (4), continuing ball milling for 6h, drying, sieving, carrying out compression molding under the pressure of 40MPa, and then keeping the pressure at 130MPa for 10 s;

(6) and (3) placing the product after the press forming into an atmosphere pressure sintering furnace, sintering in a nitrogen atmosphere, wherein the sintering pressure is 4.5-5.0 MPa, heating to 1850 ℃ at a heating rate of 200 ℃/min, preserving heat for 15min, cooling at a rate of 150 ℃/min, sand blasting, pretreating, and carrying out vacuum sterile packaging to obtain the product.

Example 3

The specific raw materials were weighed as in table 1, and the preparation steps were as follows:

(1) mixing 85% ethanol with 1/4 formula amount and isopropyl trioctyl phosphate acyloxy titanate, stirring for 15min at 60 ℃, then adding titanium dioxide, and reacting for 1.5h at 95 ℃ to obtain titanium dioxide modified by titanate coupling agent;

(2) mixing 85% ethanol with a formula amount of 1/4 and KH590, stirring at 60 ℃ for 15min, then adding silicon dioxide, and reacting at 120 ℃ for 1.5h to obtain silicon dioxide modified by a silane coupling agent;

(3) mixing 85% ethanol with the formula amount of 1/4 and Si-75, stirring for 15min at 60 ℃, then adding zirconium dioxide, and reacting for 2.5h at 150 ℃ to obtain silane coupling agent modified zirconium dioxide;

(4) stirring and mixing the titanium dioxide modified by the titanate coupling agent, the silicon dioxide modified by the silane coupling agent, the zirconium dioxide modified by the silane coupling agent, the nano-silver and 80% ethanol according to the formula amount at 600rpm for 40min to obtain a modified mixture;

(5) adding deionized water into aluminum oxide, magnesium oxide and silicon nitride whiskers, carrying out ball milling for 20h, adding the modified mixture obtained in the step (4), continuing ball milling for 6h, drying, sieving, carrying out compression molding under the pressure of 40MPa, and then carrying out pressure maintaining for 15s under the pressure of 130 MPa;

(6) and (3) putting the product after the press forming into an atmosphere pressure sintering furnace, sintering in a nitrogen atmosphere, wherein the sintering pressure is 4.5-5.0 MPa, heating to 1850 ℃ at a heating rate of 200 ℃/min, preserving heat for 20min, cooling at a rate of 150 ℃/min, sand blasting, pretreating, and carrying out vacuum sterile packaging to obtain the product.

Comparative example 1

(1) Mixing 85% ethanol with 1/4 formula amount and isopropyl trioctyl phosphate acyloxy titanate, stirring for 15min at 60 ℃, then adding titanium dioxide, and reacting for 1.5h at 95 ℃ to obtain titanium dioxide modified by titanate coupling agent;

(2) mixing 85% ethanol with a formula amount of 1/4 and KH590, stirring at 60 ℃ for 15min, then adding silicon dioxide, and reacting at 120 ℃ for 1.5h to obtain silicon dioxide modified by a silane coupling agent;

(3) mixing 85% ethanol with 1/4 formula amount and zirconium dioxide, stirring at 60 deg.C for 15min to obtain modified zirconium dioxide;

(4) stirring and mixing the titanium dioxide modified by the titanate coupling agent, the silicon dioxide modified by the silane coupling agent, the zirconium dioxide modified by the silane coupling agent, the nano-silver and 80% ethanol according to the formula amount at 600rpm for 40min to obtain a modified mixture;

(5) adding deionized water into aluminum oxide, magnesium oxide and silicon nitride whiskers, carrying out ball milling for 20h, adding the modified mixture obtained in the step (4), continuing ball milling for 6h, drying, sieving, carrying out compression molding under the pressure of 40MPa, and then carrying out pressure maintaining for 15s under the pressure of 130 MPa;

(6) and (3) putting the product after the press forming into an atmosphere pressure sintering furnace, sintering in a nitrogen atmosphere, wherein the sintering pressure is 4.5-5.0 MPa, heating to 1850 ℃ at a heating rate of 200 ℃/min, preserving heat for 20min, cooling at a rate of 150 ℃/min, sand blasting, pretreating, and carrying out vacuum sterile packaging to obtain the product. .

Comparative example 2

(1) Mixing 85% ethanol with 1/4 formula amount with titanium dioxide, stirring at 60 deg.C for 15min to obtain modified titanium dioxide;

(2) mixing 85% ethanol with a formula amount of 1/4 and KH590, stirring at 60 ℃ for 15min, then adding silicon dioxide, and reacting at 120 ℃ for 1.5h to obtain silicon dioxide modified by a silane coupling agent;

(3) mixing 85% ethanol with the formula amount of 1/4 and Si-75, stirring for 15min at 60 ℃, then adding zirconium dioxide, and reacting for 2.5h at 150 ℃ to obtain silane coupling agent modified zirconium dioxide;

(4) stirring and mixing the titanium dioxide modified by the titanate coupling agent, the silicon dioxide modified by the silane coupling agent, the zirconium dioxide modified by the silane coupling agent, the nano-silver and 80% ethanol according to the formula amount at 600rpm for 40min to obtain a modified mixture;

(5) adding deionized water into aluminum oxide, magnesium oxide and silicon nitride whiskers, carrying out ball milling for 20h, adding the modified mixture obtained in the step (4), continuing ball milling for 6h, drying, sieving, carrying out compression molding under the pressure of 40MPa, and then carrying out pressure maintaining for 15s under the pressure of 130 MPa;

(6) and (3) putting the product after the press forming into an atmosphere pressure sintering furnace, sintering in a nitrogen atmosphere, wherein the sintering pressure is 4.5-5.0 MPa, heating to 1850 ℃ at a heating rate of 200 ℃/min, preserving heat for 20min, cooling at a rate of 150 ℃/min, sand blasting, pretreating, and carrying out vacuum sterile packaging to obtain the product.

Comparative example 3

(1) Mixing 85% ethanol with 1/4 formula amount with titanium dioxide, stirring at 60 deg.C for 15min to obtain modified titanium dioxide;

(2) mixing 85% ethanol with a formula amount of 1/4 with KH590, stirring for 15min at 60 ℃, then adding silicon dioxide, and reacting for 1.5h at 120 ℃ to obtain silicon dioxide modified by a silane coupling agent;

(3) mixing 85% ethanol with 1/4 formula amount and zirconium dioxide, stirring at 60 deg.C for 15min to obtain modified zirconium dioxide;

(4) stirring and mixing the titanium dioxide modified by the titanate coupling agent, the silicon dioxide modified by the silane coupling agent, the zirconium dioxide modified by the silane coupling agent, the nano-silver and 80% ethanol according to the formula amount at 600rpm for 40min to obtain a modified mixture;

(5) adding deionized water into aluminum oxide, magnesium oxide and silicon nitride whiskers, carrying out ball milling for 20h, adding the modified mixture obtained in the step (4), continuing ball milling for 6h, drying, sieving, carrying out compression molding under the pressure of 40MPa, and then carrying out pressure maintaining for 15s under the pressure of 130 MPa;

(6) and (3) putting the product after the press forming into an atmosphere pressure sintering furnace, sintering in a nitrogen atmosphere, wherein the sintering pressure is 4.5-5.0 MPa, heating to 1850 ℃ at a heating rate of 200 ℃/min, preserving heat for 20min, cooling at a rate of 150 ℃/min, sand blasting, pretreating, and carrying out vacuum sterile packaging to obtain the product.

Example 4 evaluation of Properties test

The following performance tests were performed using the composite materials prepared in examples 1-3 and comparative examples 1-2:

flexural strength was performed according to the method specified in YY 0716-; the fracture toughness and hardness are measured by a hardness meter; the microcrack resistance and the quenching heat resistance are carried out according to the method specified in YY 0300-; the bacterial plaque inspection method comprises the steps of placing each test sample into a bacterial liquid with the bacterial liquid concentration of 106cfu/ml, culturing the bacterial liquid containing mixed strains of anaerobic streptococcus, lactobacillus, streptococcus A and staphylococcus epidermidis at the temperature of 37 +/-2 ℃ for 48 hours, taking out the test sample, cleaning the test sample, and observing whether the appearance of the test sample has color spots or not. The evaluation results are shown in Table 2.

TABLE 1

Kind of material	Example 1	Example 2	Example 3	Comparative example 1	Comparative example 2	Comparative example 3
							Alumina oxide	10	10	15	15	15	15
Magnesium oxide	10	15	15	15	15	15
							Silicon nitride whisker	8	10	15	15	15	15
Titanium dioxide	18	20	30	30	30	30
							Isopropyl trioctyl phosphate acyloxy titanate	20	25	35	35	/	/
Silicon dioxide	10	18	30	30	30	30
							KH590	10	20	35	35	35	35
Zirconium dioxide	30	35	40	60	60	60
							Si-75	35	40	45	/	45	/
Nano silver	5	6	8	8	8	8
							80% ethanol	120	140	160	140	140	140
Deionized water	50	60	70	70	70	70

Table 2 results of performance testing

Example 1

Example 2

Example 3

Comparative example 1

Comparative example 2

Comparative example 3

Flexural strength Mpa

1128

1130

1136

920

1140

980

Fracture toughness Mpa.m1/2

8

8

8

6

8

7

Hardness HV

390

405

410

380

415

395

Resistance to microcracking

Without cracks

Without cracks

Without cracks

Without cracks

Without cracks

Without cracks

Resistance to rapid cooling

Without cracks

Without cracks

Without cracks

Without cracks

Without cracks

Without cracks

Bacterial plaque

Without bacterial plaque

Without bacterial plaque

Without bacterial plaque

Without bacterial plaque

Without bacterial plaque

Without bacterial plaque

Example 5 evaluation of Performance test after treatment of Artificial saliva

After the composite materials prepared in the examples 1-3 and the comparative examples 1-2 are soaked in artificial saliva for one year, performance tests such as flexural strength, fracture toughness, hardness, microcrack resistance, rapid cooling heat resistance, plaque inspection and the like are carried out, and the test method is the same as that of the example 4. The test results are shown in Table 3.

TABLE 3 evaluation results of Properties

Example 1

Example 2

Example 3

Comparative example 1

Comparative example 2

Comparative example 3

Flexural strength Mpa

1126

1125

1130

916

938

826

Fracture toughness Mpa.m1/2

7

8

7

6

4

3

Hardness HV

385

395

400

372

325

306

Resistance to microcracking

Without cracks

Without cracks

Without cracks

Without cracks

Has cracks

Has cracks

Resistance to rapid cooling

Without cracks

Without cracks

Without cracks

Without cracks

Has cracks

Has cracks

Bacterial plaque

Without bacterial plaque

Without bacterial plaque

Without bacterial plaque

Without bacterial plaque

Without bacterial plaque

Without bacterial plaque

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims (10)

1. The high-wear-resistance composite material for preparing the porcelain teeth is characterized by comprising the following raw materials in parts by weight: 20-30 parts of metal oxide, 8-15 parts of metal nitride whisker, 18-30 parts of titanium dioxide, 10-30 parts of silicon dioxide, 30-40 parts of zirconium dioxide, 5-8 parts of silver preparation, 120-160 parts of 80% ethanol and 50-70 parts of deionized water.

2. The high wear resistant composite material of claim 1 wherein the metal-oxygen compound comprises one or a combination of two or more of zinc oxide, yttrium oxide, aluminum oxide, and magnesium oxide.

3. The high wear resistant composite material of claim 1 wherein the metal nitride whiskers are silicon nitride whiskers.

4. The high wear resistant composite material of claim 1 wherein the titanium dioxide is a titanium dioxide modified with a titanate coupling agent.

5. The high wear resistant composite material of claim 4, wherein the titanate coupling agent comprises silicon in combination with one or more of isopropyl trioctyl phosphate acyloxy titanate, diisopropoxy diacetone titanate, bis (dioctyloxypyrophosphate) ethylene titanate, isopropyl tri (dioctylpyrophosphate) titanate.

6. The high abrasion resistant composite according to claim 1, wherein said silica is a silane coupling agent modified silica; the zirconium dioxide is modified by a silane coupling agent.

7. The high wear resistant composite material of claim 6, wherein the silane coupling agent comprises one or a combination of more than two of KH550, KH560, KH570, KH590, Si-69, Si-75.

8. The high-wear-resistance composite material as claimed in claim 1, wherein the high-wear-resistance composite material is composed of the following raw materials in parts by weight: : 10-15 parts of aluminum oxide, 10-15 parts of magnesium oxide, 8-15 parts of silicon nitride whisker, 18-30 parts of titanium dioxide, 20-35 parts of isopropyl trioctyl phosphate acyloxy titanate, 10-30 parts of silicon dioxide, 10-35 parts of KH590 coupling agent, 30-40 parts of zirconium dioxide, 35-45 parts of Si-75 coupling agent, 5-8 parts of nano silver, 120-160 parts of 80% ethanol and 50-70 parts of deionized water.

9. The high-wear-resistance composite material of claim 8, which is prepared from the following raw materials in parts by weight: 10 parts of aluminum oxide, 10 parts of magnesium oxide, 8 parts of silicon nitride whisker, 18 parts of titanium dioxide, 20 parts of isopropyl trioctyl phosphate acyloxy titanate, 10 parts of silicon dioxide, 10 parts of KH590 coupling agent, 30 parts of zirconium dioxide, 35 parts of Si-75 coupling agent, 5 parts of nano silver, 120 parts of 80% ethanol and 50 parts of deionized water.

10. A method for preparing the high wear-resistant composite material as claimed in any one of claims 8 to 9, wherein the method comprises the following steps:

(1) mixing 85% ethanol with a formula amount of 1/4 and isopropyl trioctyl phosphate acyloxy titanate, stirring for 10-15 min at 50-60 ℃, then adding titanium dioxide, and reacting for 1-1.5 h at 90-95 ℃ to obtain titanium dioxide modified by a titanate coupling agent;

(2) mixing 85% ethanol with a formula amount of 1/4 with KH590, stirring for 10-15 min at 50-60 ℃, then adding silicon dioxide, and reacting for 1-1.5 h at 110-120 ℃ to obtain silicon dioxide modified by a silane coupling agent;

(3) mixing 85% ethanol with the formula amount of 1/4 and Si-75, stirring for 10-15 min at 50-60 ℃, then adding zirconium dioxide, and reacting for 2-2.5 h at 120-150 ℃ to obtain silane coupling agent modified zirconium dioxide;

(4) stirring and mixing the titanium dioxide modified by the titanate coupling agent, the silicon dioxide modified by the silane coupling agent, the zirconium dioxide modified by the silane coupling agent, the nano silver and 80% ethanol according to the formula amount at 500-600 rpm for 30-40 min to obtain a modified mixture;

(5) adding deionized water into aluminum oxide, magnesium oxide and silicon nitride whiskers, carrying out ball milling for 18-20 h, adding the modified mixture obtained in the step (4), continuing ball milling for 5-6 h, drying, sieving, carrying out compression molding under the pressure of 35-40 MPa, and then carrying out pressure maintaining for 10-15 s under the pressure of 120-130 MPa;

(6) and (3) placing the product after the press forming into an atmosphere pressure sintering furnace, sintering in a nitrogen atmosphere, wherein the sintering pressure is 4.5-5.0 MPa, raising the temperature to 1800-1850 ℃ at the heating rate of 200 ℃/min, preserving the temperature for 15-20 min, then reducing the temperature at the rate of 150 ℃/min, and performing sand blasting, pretreatment, vacuum aseptic packaging to obtain the product.