阅读说明：本技术 一种可替代橡胶领域用氧化锌的单原子锌材料及其制备方法 (Monoatomic zinc material capable of replacing zinc oxide used in rubber field and preparation method thereof ) 是由 赵超 王晶 黄红锋 吴宇波 于 2021-09-28 设计创作，主要内容包括：本申请涉及橡胶添加剂技术领域,尤其是一种可替代橡胶领域用氧化锌的单原子锌材料及其制备方法。一种可替代橡胶领域用氧化锌的单原子锌材料,是由载体和过渡金属组成,所述载体为纳米二氧化硅、纳米碳酸钙中的一种或多种；所述过渡金属为锌；所述过渡金属以单原子的形式锚定在载体表面的缺陷位点。本发明采用全新的单原子技术,是新研发的一种单原子锌材料,应用于橡胶领域用,可完全替代氧化锌,金属锌用量可降低60%-70%,大幅度节约有色金属锌资源,减少相关冶炼带来的碳排放,同时有效降低对环境的重金属残留污染,易于实现产业化。(The application relates to the technical field of rubber additives, in particular to a monoatomic zinc material capable of replacing zinc oxide used in the rubber field and a preparation method thereof. A single atom zinc material capable of replacing zinc oxide used in the rubber field is composed of a carrier and transition metal, wherein the carrier is one or more of nano silicon dioxide and nano calcium carbonate; the transition metal is zinc; the transition metal is anchored in the form of a single atom at a defect site on the surface of the support. The invention adopts a completely new monoatomic technology, is a newly developed monoatomic zinc material, is applied to the field of rubber, can completely replace zinc oxide, can reduce the consumption of metal zinc by 60-70%, greatly saves non-ferrous metal zinc resources, reduces carbon emission caused by related smelting, effectively reduces heavy metal residual pollution to the environment, and is easy to realize industrialization.)

1. A single atom zinc material capable of replacing zinc oxide used in the rubber field is characterized in that: the catalyst consists of a carrier and transition metal, wherein the carrier is one or the combination of two of nano silicon dioxide and nano calcium carbonate; the transition metal is zinc; the transition metal is anchored in the form of a single atom at a defect site on the surface of the support.

2. The monatomic zinc material which can be used as a zinc oxide for rubber applications according to claim 1, wherein: the mass ratio of the transition metal contained in the monatomic zinc material to the carrier is 1:5-1: 10.

3. The method for preparing a monatomic zinc material, which is a zinc oxide alternative to rubber applications, according to any one of claims 1 to 2, characterized in that: the method comprises the following steps:

step one, carrying out ball milling treatment on a carrier to obtain the carrier with the particle size of less than or equal to 200nm for later use;

step two, adding the carrier in the step one into 1mol/L metal hydroxide aqueous solution, wherein the mass ratio of the 11mol/L metal hydroxide aqueous solution to the carrier is (1.0-1.2):1, the rotating speed is 800-;

step three, mixing the carrier prepared in the step two with a zinc metal salt solution with the zinc ion content of 100-200g/L, wherein the mass ratio of the zinc metal salt solution with the zinc ion content of 100-200g/L to the carrier prepared in the step two is 1:1, heating to 58-65 ℃, fully stirring for 16-24h, removing supernatant, performing centrifugal separation, drying in a 100-120 ℃ forced air drying oven for 10-14h, and performing ball milling treatment on the obtained material after drying;

and step four, activating the solid powder obtained in the step three to obtain the target product.

4. The method for preparing the monatomic zinc material capable of replacing zinc oxide for rubber applications according to claim 3, characterized in that: the particle size of the carrier before ball milling in the first step is 500 nm; the particle size of the carrier after the ball milling in the first step is 100 nm.

5. The method for preparing the monatomic zinc material capable of replacing zinc oxide for rubber applications according to claim 3, characterized in that: and step two, adding 1000g of the carrier in the step one into 1L of 1mol/L sodium hydroxide aqueous solution, raising the speed to 80 ℃ at 1000rpm, fully reacting for 36h, constructing sufficient defect sites on the surface of the carrier, filtering, drying and grinding for later use.

6. The method for preparing the monatomic zinc material capable of replacing zinc oxide for rubber applications according to claim 3, characterized in that: and step three, mixing the carrier prepared in the step two with 1L of zinc metal salt solution with zinc ion content of 100-200g/L, heating to 60 ℃, fully stirring for 16-24h, removing supernatant, performing centrifugal separation, drying in a 100-120 ℃ forced air drying box for 12h, performing ball milling treatment on the obtained material after drying, wherein the ball milling rotation speed is 600rpm, the ball milling time is 45-60min, and the particle size of the ball-milled material is 90-120 nm.

7. The method for preparing the monatomic zinc material capable of replacing zinc oxide for rubber applications according to claim 3, characterized in that: the zinc metal salt solution is a zinc nitrate solution.

8. The method for preparing the monatomic zinc material capable of replacing zinc oxide for rubber applications according to claim 3, characterized in that: and step four, activating the solid powder obtained in the step three, and obtaining the target product under the argon atmosphere, wherein the calcining temperature is 200-600 ℃, the heating rate is 2-5 ℃/min, and the calcining time is 2-6 h.

9. The method for preparing the monatomic zinc material capable of replacing zinc oxide for rubber applications according to claim 3, characterized in that: the metal hydroxide aqueous solution is one of a sodium hydroxide aqueous solution, a calcium hydroxide aqueous solution and a potassium hydroxide aqueous solution.

Technical Field

The application relates to the field of rubber additives, in particular to a monoatomic zinc material capable of replacing zinc oxide used in the field of rubber and a preparation method thereof.

Background

The zinc oxide has wide application prospect in the fields of rubber, paint, catalyst, chemical fiber and the like. At present, zinc oxide is an indispensable and replaceable vulcanization activator for the development of the rubber industry. According to incomplete statistics: 50% of the zinc oxide produced industrially flows to the rubber industry, mainly because zinc oxide is one of the raw materials (vulcanization activator) for rubber manufacture and is an important material for automobile tires.

The zinc oxide contains trace heavy metals (lead oxide and cadmium oxide) and zinc ions in the zinc oxide, the presence of the lead, the cadmium and the zinc ions has a catalytic effect on the aging of tire rubber, and in addition, fine debris generated by the friction between the tire and the ground during the running process of an automobile is scattered into water and soil, so that environmental pollution is caused.

The european union REACH regulation in 2003 has listed zinc oxide as a hazardous substance list, and zinc oxide has been listed as a product that has been phased out. The european union REACH regulations indicate that certain zinc alloys can poison microorganisms and organisms in water when released into the space where humans live, entering watersheds, seas, and drinking water sources. In 2016, a law was filed in california, usa (SB1260) that suggested to limit the use of zinc or zinc oxide in tires, while prohibiting the sale of tire products containing more than a certain amount of zinc.

The annual demand of zinc oxide in the rubber industry of China is about 120 ten thousand tons, and according to the current situation of 'zinc restriction order', a substitute material is urgently needed, or excessive settlement of zinc oxide is continuously reduced, and the quantity of zinc oxide needs to be reduced.

Disclosure of Invention

In order to solve the problems of high zinc oxide content and zinc resource waste in the related technology, the application provides a monatomic zinc material capable of replacing zinc oxide in the rubber field and a preparation method thereof.

In a first aspect, the present application provides a monatomic zinc material that can replace zinc oxide used in the rubber field, and is realized by the following technical scheme:

a single atom zinc material capable of replacing zinc oxide used in the rubber field and a preparation method thereof are composed of a carrier and transition metal, wherein the carrier is one or the combination of two of nano silicon dioxide and nano calcium carbonate; the transition metal is zinc; the transition metal is anchored in the form of a single atom at the defect site on the surface of the support.

By adopting the technical scheme, the monatomic zinc material is an ideal updating material of the traditional zinc oxide. The monatomic zinc material is prepared by adopting a monatomic catalysis technology, the monatomic zinc material takes monatomic zinc as an active center, active sites are clear and uniform, the utilization rate of catalytic activity reaches 100%, and the problems of high zinc oxide content and zinc resource waste are solved. The monoatomic zinc material prepared in the application can be applied to the field of rubber, is not only a vulcanization activator with low zinc oxide dosage, but also plays a role of a multifunctional auxiliary agent in the field of rubber. The monatomic zinc material has obvious multifunctional auxiliary agent effect, and the rubber has more excellent heat-conducting property, corrosion resistance, wear resistance and anti-aging property by applying the rubber in the field of rubber, so that the service life, the tear resistance and the tensile strength property are prolonged, meanwhile, the production cost can be reduced, the zinc resource is saved, and the development purpose of energy conservation and environmental protection is achieved.

Preferably, the mass ratio of the transition metal contained in the monatomic zinc material to the support is 1:5 to 1: 10.

By adopting the technical scheme, the zinc content in the traditional zinc oxide is 80%, and the zinc content in the monatomic zinc material in the application is 10% -20%, so that more than 50 ten thousand tons of metal zinc can be saved every year, the carbon emission is reduced by more than 250 ten thousand tons, and the residual pollution of 60% -70% of heavy metal zinc in the environment can be greatly reduced.

Preferably, the particle size of the nano silicon dioxide is 100 nm; the particle size of the nano calcium carbonate is 100 nm.

In a second aspect, the present application provides a method for preparing a monatomic zinc material that can replace zinc oxide used in the rubber field, which is implemented by the following technical scheme:

a preparation method of a monatomic zinc material capable of replacing zinc oxide used in the rubber field comprises the following steps:

step one, carrying out ball milling treatment on a carrier to obtain the carrier with the particle size of less than or equal to 200nm for later use;

step two, adding the carrier in the step one into 1mol/L metal hydroxide aqueous solution, wherein the mass ratio of the 11mol/L metal hydroxide aqueous solution to the carrier is (1.0-1.2):1, the rotating speed is 800-;

step three, mixing the carrier prepared in the step two with a zinc metal salt solution with the zinc ion content of 100-200g/L, wherein the mass ratio of the zinc metal salt solution with the zinc ion content of 100-200g/L to the carrier prepared in the step two is 1:1, heating to 58-65 ℃, fully stirring for 16-24h, removing supernatant, performing centrifugal separation, drying in a 100-120 ℃ forced air drying oven for 10-14h, and performing ball milling treatment on the obtained material after drying; and step four, activating the solid powder obtained in the step three to obtain the target product.

By adopting the technical scheme, the preparation method is relatively simple and is convenient for industrial production.

Preferably, the particle size of the carrier before ball milling in the first step is 500 nm; the particle size of the carrier after ball milling in the first step is 100 nm.

Preferably, in the second step, 1000g of the carrier in the first step is added into 1L of 1mol/L sodium hydroxide aqueous solution, the rotating speed is 1000rpm, the temperature is increased to 80 ℃, the reaction is fully carried out for 36h, sufficient defect sites are constructed on the surface of the carrier, and then the carrier is filtered, dried and ground for standby.

Preferably, in the third step, the carrier prepared in the second step is mixed with 1L of zinc metal salt solution with zinc ion content of 100-.

Preferably, the zinc metal salt solution is zinc nitrate.

Preferably, in the fourth step, the solid powder obtained in the third step is activated, and the target product is obtained in an argon atmosphere at a calcination temperature of 200-600 ℃, a temperature rise rate of 2-5 ℃/min and a calcination time of 2-6 h.

By adopting the technical scheme, the pore structure is re-expanded by using an alkali regulation method to recover the activity, and in the activation treatment process, volatile components and chemically combined water are removed through thermal decomposition reaction, so that the monoatomic zinc material forms a stable structure.

Preferably, the prepared monatomic zinc material using zinc oxide is applied to the field of rubber, can completely replace zinc oxide, can reduce the using amount of metal zinc by 60-70%, greatly saves non-ferrous metal zinc resources, reduces carbon emission caused by related smelting, effectively reduces heavy metal residual pollution to the environment, and is easy to realize industrialization.

Preferably, the aqueous metal hydroxide solution is one of an aqueous sodium hydroxide solution, an aqueous calcium hydroxide solution and an aqueous potassium hydroxide solution.

In summary, the present application has the following advantages:

1. compared with the traditional zinc oxide, the zinc oxide contains 80% of zinc, and the monatomic zinc material contains 10% -20% of zinc, so that more than 50 million tons of metal zinc can be saved each year, the carbon emission is reduced by more than 250 million tons, the residual pollution of 60-70% of heavy metal zinc in the environment can be greatly reduced, and the development requirements of energy conservation and environmental protection are met.

2. The monatomic zinc material can greatly improve the heat conduction performance of rubber, thereby being beneficial to the heat dissipation of tires and ensuring the driving safety.

3. The monatomic zinc material plays a great role in inhibiting the growth of mold and fungus or effectively inhibiting the aging resistance of ultraviolet rays to rubber while the addition amount is small.

4. The heat-conducting rubber can be widely applied to the field of rubber, and has the advantages of excellent heat-conducting property, corrosion resistance, wear resistance, ageing resistance, prolonged service life, tear resistance and tensile strength.

Drawings

FIG. 1 is a schematic diagram of an electron microscope scanning structure of a monatomic zinc material that can replace zinc oxide used in the rubber field in the present application.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples.

Raw materials

Raw materials	Source
		Nanosilicon dioxide, 500nm	Shanghai Naio nanotechnology Co., Ltd
Nano calcium carbonate, 500nm	Shanghai Naio nanotechnology Co., Ltd
		Potassium hydroxide	Shanghai test, AR, 500 g/bottle
Sodium hydroxide	Shanghai test, AR, 500 g/bottle
		Calcium hydroxide	Shanghai test, AR, 500 g/bottle
Zinc nitrate hexahydrate	Zhejiang Lanrun chemical industry materials Co Ltd

Examples

Example 1

Referring to fig. 1, the monatomic zinc material disclosed in the present application, which can replace zinc oxide used in the rubber field, is composed of a carrier and a transition metal, wherein the carrier is 100nm of nano-silica, the transition metal is zinc, zinc atoms are anchored on defect sites on the surface of the carrier in the form of monatomic, and the mass ratio of monatomic zinc to nano-silica is 1: 10.

A preparation method of a monatomic zinc material capable of replacing zinc oxide used in the rubber field comprises the following steps:

(1) adding 500nm of nano silicon dioxide into a planetary ball mill for ball milling treatment, wherein the ball milling rotation speed is 450rpm, the ball milling time is 30min, and the particle size of the carrier is 100nm at the moment for later use;

(2) weighing 1000g of 100nm nano-silica carrier in the step (1), adding the carrier into 1L of 1mol/L sodium hydroxide aqueous solution, controlling the rotating speed to be 1000rpm, heating to 80 ℃, fully reacting for 36h, constructing sufficient defect sites on the surface of the carrier, filtering, drying, and fully grinding with an agate mortar for 20min for later use;

(3) mixing the carrier obtained in the step (2) with a zinc nitrate solution with zinc ion content of 100g/L, heating to 60 ℃, fully stirring for 16 hours at a stirring speed of 800rpm, removing supernatant, performing centrifugal separation, drying in a 100 ℃ forced air drying oven for 12 hours, and performing ball milling treatment on the obtained material after drying, wherein the ball milling speed is 600rpm, the ball milling time is 45min, and the particle size is 100 nm;

(4) and (3) carrying out high-temperature treatment on the solid powder obtained in the step (3), and preparing a monatomic zinc material with the zinc oxide content of 12% (10% in terms of zinc) in an argon atmosphere, wherein the calcining temperature is 400 ℃, the heating rate is 2 ℃/min, and the calcining time is 2 h.

Example 2

Example 2 differs from example 1 in that:

a preparation method of a monatomic zinc material capable of replacing zinc oxide used in the rubber field comprises the following steps:

(1) adding 500nm of nano silicon dioxide into a planetary ball mill for ball milling treatment, wherein the ball milling rotation speed is 450rpm, the ball milling time is 30min, and the particle size of the carrier is 100nm at the moment for later use;

(2) weighing 1000g of 100nm nano-silica carrier in the step (1), adding the carrier into 1L of 1mol/L sodium hydroxide aqueous solution at the rotating speed of 1000rpm, heating to 80 ℃, fully reacting for 36h, constructing sufficient defect sites on the surface of the carrier, and then filtering, drying and fully grinding for 20min in an agate mortar for later use;

(3) mixing the modified carrier in the step (2) with a zinc nitrate solution with the zinc ion content of 200g/L, heating to 60 ℃, fully stirring for 24 hours, removing the supernatant, performing centrifugal separation, placing in a 120 ℃ forced air drying oven for drying for 12 hours, and performing ball milling treatment on the obtained material after drying, wherein the ball milling rotation speed is 600rpm, the ball milling time is 45min, and the particle size is 100 nm;

(4) and (3) carrying out high-temperature treatment on the solid powder obtained in the step (3), and preparing a monatomic zinc material with 25% of zinc oxide (20% of zinc) in an argon atmosphere, wherein the calcining temperature is 500 ℃, the heating rate is 5 ℃/min, and the calcining time is 3 h.

Example 3

Example 3 differs from example 1 in that:

a preparation method of a monatomic zinc material capable of replacing zinc oxide used in the rubber field comprises the following steps:

(1) adding 500nm of nano silicon dioxide into a planetary ball mill for ball milling treatment, wherein the ball milling rotation speed is 450rpm, the ball milling time is 30min, and the particle size of the carrier is 100nm at the moment for later use;

(2) weighing 1000g of 100nm nano calcium carbonate carrier in the step (1), adding the carrier into 1L of 1mol/L sodium hydroxide aqueous solution, heating to 80 ℃ at the rotating speed of 1000rpm, fully reacting for 36 hours, constructing sufficient defect sites on the surface of the carrier, and then filtering, drying and fully grinding for later use;

(3) mixing the modified carrier in the step (2) with a zinc nitrate solution with zinc ion content of 100g/L, heating to 60 ℃, fully stirring for 24 hours, removing supernatant, performing centrifugal separation, placing in a 120 ℃ forced air drying oven for drying for 12 hours, and performing ball milling treatment on the obtained material after drying, wherein the ball milling rotation speed is 600rpm, the ball milling time is 45min, and the particle size is 100 nm;

(4) and (3) carrying out high-temperature treatment on the solid powder obtained in the step (3), and preparing a monatomic zinc material with the zinc oxide content of 12% (accounting for 10% of zinc) in an argon atmosphere, wherein the calcining temperature is 250 ℃, the heating rate is 5 ℃/min, and the calcining time is 3.5 h.

Example 4

Example 4 differs from example 1 in that:

a preparation method of a monatomic zinc material capable of replacing zinc oxide used in the rubber field comprises the following steps:

(1) adding 500nm of nano silicon dioxide into a planetary ball mill for ball milling treatment, wherein the ball milling rotation speed is 450rpm, the ball milling time is 30min, and the particle size of the carrier is 100nm at the moment for later use;

(2) weighing 1000g of 100nm nano calcium carbonate carrier in the step (1), adding the carrier into 1L of 1mol/L sodium hydroxide aqueous solution at the rotating speed of 1000rpm, heating to 80 ℃, fully reacting for 36h, constructing sufficient defect sites on the surface of the carrier, and then filtering, drying and fully grinding for later use;

(3) mixing the modified carrier in the step (2) with a zinc nitrate solution with the zinc ion content of 200g/L, heating to 60 ℃, fully stirring for 16h, removing the supernatant, performing centrifugal separation, placing in a 110 ℃ forced air drying oven for drying for 12h, performing ball milling treatment on the obtained material after drying, wherein the ball milling rotation speed is 600rpm, the ball milling time is 45min, and the particle size is 100 nm;

(4) and (3) carrying out high-temperature treatment on the solid powder obtained in the step (3), and preparing a monatomic zinc material with 25% of zinc oxide (20% of zinc) in an argon atmosphere, wherein the calcining temperature is 350 ℃, the heating rate is 2 ℃/min, and the calcining time is 2.5 h.

Example 5

Example 5 differs from example 1 in that: a preparation method of a monatomic zinc material capable of replacing zinc oxide used in the rubber field comprises the following steps:

(1) adding 500nm of nano silicon dioxide into a planetary ball mill for ball milling treatment, wherein the ball milling rotation speed is 450rpm, the ball milling time is 30min, and the particle size of the carrier is 100nm at the moment for later use;

(2) weighing 1000g of 100nm nano-silica carrier in the step (1), adding the carrier into 1L of 1mol/L sodium hydroxide aqueous solution at the rotating speed of 1000rpm, heating to 80 ℃, fully reacting for 36h, constructing sufficient defect sites on the surface of the carrier, and then filtering, drying and fully grinding for 20min in an agate mortar for later use;

(3) mixing the modified carrier in the step (2) with a zinc nitrate solution with the zinc ion content of 150g/L, heating to 60 ℃, fully stirring for 24 hours, removing the supernatant, performing centrifugal separation, placing in a 120 ℃ forced air drying oven for drying for 12 hours, and performing ball milling treatment on the obtained material after drying, wherein the ball milling rotation speed is 600rpm, the ball milling time is 45min, and the particle size is 100 nm;

(4) and (3) carrying out high-temperature treatment on the solid powder obtained in the step (3), wherein the calcination temperature is 500 ℃, the heating rate is 5 ℃/min, and the calcination time is 3h under the argon atmosphere, so that the monatomic zinc material is prepared, and the content of zinc oxide is 17.5% (calculated as zinc, 15%).

Example 6

Example 6 differs from example 1 in that: a preparation method of a monatomic zinc material capable of replacing zinc oxide used in the rubber field comprises the following steps:

(1) adding a 500nm nano calcium carbonate carrier into a planetary ball mill for ball milling treatment, wherein the ball milling rotation speed is 450rpm, the ball milling time is 30min, and the particle size of the carrier is 100nm at the moment for later use;

(2) weighing 1000g of 100nm nano calcium carbonate carrier in the step (1), adding the carrier into 1L of 1mol/L sodium hydroxide aqueous solution at the rotating speed of 1000rpm, heating to 80 ℃, fully reacting for 36h, constructing sufficient defect sites on the surface of the carrier, and then filtering, drying and fully grinding for 20min in an agate mortar for later use;

(3) mixing the modified carrier in the step (2) with a zinc nitrate solution with the zinc ion content of 150g/L, heating to 60 ℃, fully stirring for 24 hours, removing the supernatant, performing centrifugal separation, placing in a 120 ℃ forced air drying oven for drying for 12 hours, and performing ball milling treatment on the obtained material after drying, wherein the ball milling rotation speed is 600rpm, the ball milling time is 45min, and the particle size is 100 nm;

(4) and (3) carrying out high-temperature treatment on the solid powder obtained in the step (3), wherein the calcination temperature is 500 ℃, the heating rate is 5 ℃/min, and the calcination time is 3h under the argon atmosphere, so that the monatomic zinc material is prepared, and the content of zinc oxide is 17.5% (calculated as zinc, 15%).

Comparative example

Comparative example 1 is conventional zinc oxide, the source of which is good for Wang chemical industry. The conventional zinc oxide content is 99.7%, with a zinc content of 80%.

Comparative example 2

A preparation method of a monatomic zinc material capable of replacing zinc oxide used in the rubber field comprises the following steps:

(1) adding a 500nm nano calcium carbonate carrier into a planetary ball mill for ball milling treatment, wherein the ball milling rotation speed is 450rpm, the ball milling time is 30min, and the particle size of the carrier is 100nm at the moment for later use;

(2) weighing 1000g of 100nm nano calcium carbonate carrier in the step (1), adding the carrier into 1L of 1mol/L sodium hydroxide aqueous solution at the rotating speed of 1000rpm, heating to 80 ℃, fully reacting for 36h, constructing sufficient defect sites on the surface of the carrier, and then filtering, drying and fully grinding for 20min in an agate mortar for later use;

(3) mixing the modified carrier in the step (2) with a zinc nitrate solution with the zinc ion content of 50g/L, heating to 60 ℃, fully stirring for 24 hours, removing the supernatant, performing centrifugal separation, placing in a 120 ℃ forced air drying oven for drying for 12 hours, and performing ball milling treatment on the obtained material after drying, wherein the ball milling rotation speed is 600rpm, the ball milling time is 45min, and the particle size is 100 nm;

(4) and (3) carrying out high-temperature treatment on the solid powder obtained in the step (3), wherein in an argon atmosphere, the calcining temperature is 500 ℃, the heating rate is 5 ℃/min, and the calcining time is 3h, so that the monatomic zinc material is prepared, and the content of zinc oxide is 6% (5% by zinc).

Performance test

Detection method/test method

1. The chemical property of the monatomic zinc material (the inspection basis is HG/T4321-2012 high-interface zinc oxide technical condition and analysis method).

Table 1 shows the test parameters of examples 1 to 6 and comparative examples 1 to 2

2. The physical properties of zinc oxide (the test basis is GB/T6038-:

(1) vulcanization performance: test data of a vulcameter (temperature condition is 145 ℃)

Table 2 shows the vulcanization Performance test parameters of examples 1 to 6 and comparative examples 1 to 2

(2) Physical and mechanical properties:

table 3 shows the parameters of the test of physical mechanical properties of examples 1 to 6 and comparative examples 1 to 2

(3) Aging Performance (aging temperature: 145 ℃ in Hot air, aging time: 30min after aging.)

Table 4 shows the aging Performance test parameters of examples 1 to 6 and comparative examples 1 to 2

	Tensile strength/MPa	Elongation at break/%)
			Example 1	17.9	408
Example 2	18.1	444
			Example 3	18.0	411
Example 4	18.2	446
			Example 5	18.0	422
Example 6	18.1	425
			Comparative example 1	16.1	375
Comparative example 2	15.4	356

Compared with the traditional zinc oxide, the results of the comparison tests of 10 percent (the content of zinc oxide is 12 percent) of the obtained monatomic zinc material, 20 percent (the content of zinc oxide is 25 percent) of the obtained monatomic zinc material and 99.7 percent of the traditional zinc oxide are better than the results of the traditional zinc oxide, so that the zinc content of the monatomic zinc material in different proportions can play a role in improving the service performance for different formulas of rubber factories, and the monatomic zinc material can be used as an ideal substitute material for 99.7 percent of the traditional zinc oxide.

The method adopts a completely new monatomic technology, is a newly developed monatomic zinc material applied to the field of rubber, can completely replace the traditional zinc oxide, can reduce the using amount of metal zinc by 60-70 percent, greatly saves non-ferrous zinc resources, reduces the carbon emission caused by related smelting, effectively reduces the heavy metal residual pollution to the environment, and is easy to realize industrialization.

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.