Composite material and application thereof in preparation of high-temperature-resistant and wear-resistant automatic industrial conveying belt

Abstract

The invention relates to a composite material which comprises a nano additive, a modified wetting agent and a filling agent, and the substance mass ratio of the nano additive to the modified wetting agent to the filling agent is (5-8): 11: (3-5). According to the composite material, the nano additive is matched with the modified wetting agent and the filling agent to serve as the composite material, nano aluminum oxide in the nano additive is activated and improved through the potassium permanganate solution, meanwhile, nano aluminum oxide is stirred and improved through the graphene solution, and flake graphene in the graphene solution has a bearing effect; and meanwhile, the modified wetting agent is jointly blended with the dried carbon nanotubes and the wetting agent, through co-blending assistance of the raw materials, the effect of the composite material in the industrial conveying belt is optimized, the wear resistance of the product is improved, and the product has excellent performance stability under different degrees of high-temperature conditions.

Description

Technical Field

[0001] The invention relates to the technical field of conveyor belts, and in particular to a composite material and application thereof in preparing a high-temperature-resistant and wear-resistant automated industrial conveyor belt. Background Art

[0002] The nano-raw materials added in the existing conveyor belts have poor dispersion uniformity and are easy to agglomerate, which in turn leads to poor wear resistance of the product. In addition, the product has poor stability under different degrees of high temperature conditions, which limits the use efficiency of the product. Based on this, the above problems are solved. Summary of the invention

[0003] In view of the defects of the prior art, the purpose of the present invention is to provide a composite material and its application in the preparation of high temperature resistant and wear resistant automated industrial conveyor belts, so as to solve the problems raised in the above background technology.

[0004] The present invention solves the technical problem by adopting the following technical solution: The present invention provides a composite material, which comprises a nano additive, a modified lubricant and a filler, wherein the mass ratio of the nano additive, the modified lubricant and the filler is (5-8):11:(3-5).

[0005] Preferably, the preparation method of the nano additive is: S01: Stir the nano-alumina in a sufficient amount of potassium permanganate solution, then wash, filter, dry, and then preheat at 60-65°C for 1 hour to obtain preheated nano-alumina; S02: adding 2-5 nanometer graphene and 3-5 parts of yttrium oxide to 5-8 parts of sodium dodecylbenzene sulfonate solution, and then adding 3-5 parts of nano calcium carbonate, stirring well, to obtain graphene liquid; S03: stirring the preheated nano-alumina and graphene liquid in a weight ratio of 2:5, filtering and drying after the stirring is completed to obtain the nano-additive.

[0006] Preferably, the mass fraction of the potassium permanganate solution is 2-5%; the mass fraction of the sodium dodecylbenzene sulfonate solution is 5-8%.

[0007] Preferably, the stirring speed of the stirring treatment is 450-500 r / min, and the stirring time is 1 hour.

[0008] Preferably, the preparation method of the modified lubricant is: S101: a silane coupling agent, a 5% by mass sodium silicate solution and a chitosan solution are mixed in a weight ratio of 2:5:2 to obtain a lubricant; S102: Mix the carbon nanotubes thoroughly in a sufficient amount of sulfuric acid solution, then wash with water, filter by suction, and dry. Mix 3-5 parts of the dried carbon nanotubes and 5-8 parts of the wetting agent thoroughly to obtain the modified wetting agent.

[0009] Preferably, the silane coupling agent is silane coupling agent KH550.

[0010] Preferably, the mass fraction of the chitosan solution is 2-5%; the mass fraction of the sulfuric acid solution is 4-6%.

[0011] Preferably, the filler is a mixture of kaolin, talc powder and diatomaceous earth in a weight ratio of 3:2:1.

[0012] The present invention also provides an application of a composite material in the preparation of a high-temperature resistant and wear-resistant automated industrial conveyor belt.

[0013] Compared with the prior art, the present invention has the following beneficial effects: The composite material of the present invention uses a nano-additive in combination with a modified wetting agent and a filler as the composite material. The nano-aluminum oxide in the nano-additive is activated and improved by a potassium permanganate solution, and at the same time is improved by stirring with graphene liquid. The flaky graphene in the graphene liquid plays a supporting role. At the same time, the modified wetting agent is further formulated by the dried carbon nanotubes and the wetting agent. Through the co-allocation and assistance of the raw materials, the function of the composite material in the industrial conveyor belt is optimized, the wear resistance of the product is improved, and the performance stability of the product is excellent under different degrees of high-temperature conditions. Specific Embodiments

[0014] The following combines specific embodiments to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0015] A composite material in this embodiment, the composite material is a nano-additive, a modified wetting agent and a filler, wherein the mass ratio of the nano-additive, the modified wetting agent and the filler is (5-8):11:(3-5).

[0016] The preparation method of the nano-additive in this embodiment is: S01: Stir the nano-aluminum oxide thoroughly in a sufficient amount of potassium permanganate solution, then wash with water, filter by suction, and dry, and then preheat at 60-65°C for 1 h to obtain the preheated nano-aluminum oxide; S02: Add 2 - 5 nm graphene and 3 - 5 parts of yttrium oxide into 5 - 8 parts of sodium dodecylbenzenesulfonate solution, then add 3 - 5 parts of nano calcium carbonate and stir well to obtain graphene solution; S03: Stir - process the pre - heated nano alumina and graphene solution at a weight ratio of 2:5, after stirring, filter by suction and dry to obtain nano additive.

[0017] In this example, the mass fraction of potassium permanganate solution is 2 - 5%; the mass fraction of sodium dodecylbenzenesulfonate solution is 5 - 8%.

[0018] In this example, the stirring speed of the stirring process is 450 - 500 r / min and stir for 1 h.

[0019] The preparation method of the modified lubricant in this example is as follows: S101: Blend 2 parts of silane coupling agent, 5 parts of sodium silicate solution with a mass fraction of 5% and chitosan solution with a mass fraction of 2 - 5% in a weight ratio of 2:5:2 to obtain lubricant; S102: Mix carbon nanotubes thoroughly in a sufficient amount of sulfuric acid solution, then wash with water, filter by suction and dry. Blend 3 - 5 parts of dried carbon nanotubes and 5 - 8 parts of lubricant thoroughly to obtain modified lubricant.

[0020] The silane coupling agent in this example is silane coupling agent KH550.

[0021] In this example, the mass fraction of chitosan solution is 2 - 5%; the mass fraction of sulfuric acid solution is 4 - 6%.

[0022] The filler in this example is composed of kaolin, talc powder and diatomaceous earth mixed evenly in a weight ratio of 3:2:1.

[0023] The application of a composite material in this example in the preparation of high - temperature - resistant and wear - resistant automated industrial conveyor belts.

[0024] Example 1. A composite material in this example, the composite material is nano additive, modified lubricant and filler, and the mass ratio of nano additive, modified lubricant and filler is 5:11:3.

[0025] The preparation method of the nano additive in this example is as follows: S01: Stir nano alumina thoroughly in a sufficient amount of potassium permanganate solution, then wash with water, filter by suction and dry, and pre - heat at 60 °C for 1 h to obtain pre - heated nano alumina; S02: Add 2 nm graphene and 3 parts of yttrium oxide into 5 parts of sodium dodecylbenzenesulfonate solution, then add 3 parts of nano calcium carbonate and stir well to obtain graphene solution; S03: stirring the preheated nano-alumina and graphene liquid in a weight ratio of 2:5, filtering and drying after the stirring is completed to obtain the nano-additive.

[0026] The mass fraction of the potassium permanganate solution in this embodiment is 2%; the mass fraction of the sodium dodecylbenzene sulfonate solution is 5%.

[0027] The stirring speed of the stirring process in this embodiment is 450 r / min, and the stirring is performed for 1 hour.

[0028] The preparation method of the modified lubricant of this embodiment is: S101: a silane coupling agent, a 5% by mass sodium silicate solution and a chitosan solution are mixed in a weight ratio of 2:5:2 to obtain a lubricant; S102: The carbon nanotubes are mixed in a sufficient amount of sulfuric acid solution, and then washed, filtered and dried. Three parts of the dried carbon nanotubes and five parts of the wetting agent are mixed to obtain a modified wetting agent.

[0029] The silane coupling agent of this embodiment is silane coupling agent KH550.

[0030] The mass fraction of the chitosan solution in this embodiment is 2%; the mass fraction of the sulfuric acid solution is 4%.

[0031] The filler in this embodiment is kaolin, talc and diatomaceous earth mixed in a weight ratio of 3:2:1.

[0032] A composite material of the present embodiment is used in preparing a high temperature resistant and wear resistant automated industrial conveyor belt.

[0033] Example 2. A composite material of this embodiment comprises a nano additive, a modified lubricant and a filler, wherein the mass ratio of the nano additive, the modified lubricant and the filler is 8:11:5.

[0034] The preparation method of the nano additive of this embodiment is: S01: Stir the nano-alumina in a sufficient amount of potassium permanganate solution, then wash, filter, dry, and then preheat at 65°C for 1 hour to obtain preheated nano-alumina; S02: adding 5 parts of nano-graphene and 5 parts of yttrium oxide to 8 parts of sodium dodecylbenzene sulfonate solution, and then adding 5 parts of nano-calcium carbonate, stirring well, to obtain graphene liquid; S03: stirring the preheated nano-alumina and graphene liquid in a weight ratio of 2:5, filtering and drying after the stirring is completed to obtain the nano-additive.

[0035] The mass fraction of the potassium permanganate solution in this embodiment is 5%; the mass fraction of the sodium dodecylbenzene sulfonate solution is 8%.

[0036] The stirring speed of the stirring process in this embodiment is 500 r / min, and the stirring is performed for 1 hour.

[0037] The preparation method of the modified lubricant of this embodiment is: S101: a silane coupling agent, a 5% by mass sodium silicate solution and a chitosan solution are mixed in a weight ratio of 2:5:2 to obtain a lubricant; S102: The carbon nanotubes are mixed in a sufficient amount of sulfuric acid solution, and then washed, filtered and dried. 5 parts of the dried carbon nanotubes and 8 parts of the wetting agent are mixed to obtain a modified wetting agent.

[0038] The silane coupling agent of this embodiment is silane coupling agent KH550.

[0039] The mass fraction of the chitosan solution in this embodiment is 5%; the mass fraction of the sulfuric acid solution is 6%.

[0040] The filler in this embodiment is kaolin, talc and diatomaceous earth mixed in a weight ratio of 3:2:1.

[0041] A composite material of the present embodiment is used in preparing a high temperature resistant and wear resistant automated industrial conveyor belt.

[0042] Example 3. A composite material of this embodiment comprises a nano additive, a modified lubricant and a filler, wherein the mass ratio of the nano additive, the modified lubricant and the filler is 5:11:4.

[0043] The preparation method of the nano additive of this embodiment is: S01: Stir the nano-alumina in a sufficient amount of potassium permanganate solution, then wash, filter, dry, and then preheat at 62.5°C for 1 hour to obtain preheated nano-alumina; S02: adding 3.5 nanometer graphene and 4 parts of yttrium oxide to 6.5 parts of sodium dodecylbenzene sulfonate solution, and then adding 4 parts of nano calcium carbonate, stirring well, to obtain graphene liquid; S03: stirring the preheated nano-alumina and graphene liquid in a weight ratio of 2:5, filtering and drying after the stirring is completed to obtain the nano-additive.

[0044] The mass fraction of the potassium permanganate solution in this embodiment is 3.5%; the mass fraction of the sodium dodecylbenzene sulfonate solution is 6.5%.

[0045] The stirring speed of the stirring process in this embodiment is 475 r / min, and the stirring is performed for 1 hour.

[0046] The preparation method of the modified wetting agent in this embodiment is as follows: S101: Mix the silane coupling agent, 5% sodium silicate solution by mass fraction and chitosan solution in a weight ratio of 2:5:2 to obtain a wetting agent; S102: Mix carbon nanotubes in a sufficient amount of sulfuric acid solution, then wash with water, filter by suction, and dry. Mix 4 parts of dried carbon nanotubes and 6.5 parts of wetting agent to obtain a modified wetting agent.

[0047] The silane coupling agent in this embodiment is silane coupling agent KH550.

[0048] The mass fraction of the chitosan solution in this embodiment is 3.5%; the mass fraction of the sulfuric acid solution is 5%.

[0049] The filler in this embodiment is composed of kaolin, talc powder and diatomite mixed in a weight ratio of 3:2:1.

[0050] The application of a composite material in this embodiment in the preparation of high-temperature resistant and wear-resistant automated industrial conveyor belts.

[0051] Comparative example 1. The difference from Example 3 is that no nano-additive is added.

[0052] Comparative example 2. The difference from Example 3 is that graphene solution is not added in the preparation of the nano-additive.

[0053] Comparative example 3. The difference from Example 3 is that nano-graphene and yttrium oxide are not added to the graphene solution.

[0054] Comparative example 4. The difference from Example 3 is that no modified wetting agent is added.

[0055] Comparative example 5. The difference from Example 3 is that dried carbon nanotubes are not added in the preparation of the modified wetting agent.

[0056] The products of Examples 1-3 and Comparative examples 1-5 are added to the conveyor belt material according to a weight ratio of 5%. The conveyor belt material is made of existing rubber raw materials. The test results are as follows

[0057] It can be concluded from Examples 1-3 and Comparative Examples 1-5 that the products of the present invention have excellent wear resistance. At the same time, the high-temperature stability effect of the products is remarkable. Moreover, without adding nano-additives and modified lubricants, the performance of the products deteriorates significantly. When the two are combined, the performance effect of the products is the most remarkable. Also, when graphene solution is not added during the preparation of nano-additives, nano-graphene is not added to the graphene solution, yttrium oxide is not added, and dry carbon nanotubes are not added during the preparation of modified lubricants, the performance of the products shows a deteriorating trend. Only by using the specific raw material combination of the present invention, the product effect is the most remarkable. Using other methods instead is not as obvious as the effect of the present invention. The nano-aluminum oxide in the nano-additive is activated and improved by potassium permanganate solution, and at the same time, it is improved by stirring the graphene solution. The flaky graphene in the graphene solution plays a supporting role. At the same time, the modified lubricant is further formulated by dry carbon nanotubes and lubricant. Through the co-allocation and assistance of raw materials, the role of the composite material in the industrial conveyor belt is optimized, the wear resistance of the product is improved, and the product has excellent performance stability under different degrees of high-temperature conditions.

[0058] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention.

[0059] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A composite material, characterized in that: The composite material comprises a nano additive, a modified lubricant and a filler, wherein the mass ratio of the nano additive, the modified lubricant and the filler is (5-8):11:(3-5).

2. A composite material according to claim 1, characterized in that: The preparation method of the nano additive is: S01: Stir the nano-alumina in a sufficient amount of potassium permanganate solution, then wash, filter, dry, and then preheat at 60-65°C for 1 hour to obtain preheated nano-alumina; S02: adding 2-5 nanometer graphene and 3-5 parts of yttrium oxide to 5-8 parts of sodium dodecylbenzene sulfonate solution, and then adding 3-5 parts of nano calcium carbonate, stirring well, to obtain graphene liquid; S03: stirring the preheated nano-alumina and graphene liquid in a weight ratio of 2:5, filtering and drying after the stirring is completed to obtain the nano-additive.

3. A composite material according to claim 2, characterized in that: The mass fraction of the potassium permanganate solution is 2-5%; the mass fraction of the sodium dodecylbenzene sulfonate solution is 5-8%.

4. A composite material according to claim 2, characterized in that: The stirring speed of the stirring treatment is 450-500 r / min, and the stirring is performed for 1 hour.

5. A composite material according to claim 2, characterized in that: The preparation method of the modified lubricant is: S101: a silane coupling agent, a 5% sodium silicate solution and a chitosan solution are mixed in a weight ratio of 2:5:2 to obtain a lubricant; S102: The carbon nanotubes are mixed in a sufficient amount of sulfuric acid solution, and then washed, filtered, and dried. 3-5 parts of the dried carbon nanotubes and 5-8 parts of the wetting agent are mixed to obtain a modified wetting agent.

6. A composite material according to claim 5, characterized in that: The silane coupling agent is silane coupling agent KH550.

7. A composite material according to claim 5, characterized in that: The mass fraction of the chitosan solution is 2-5%; the mass fraction of the sulfuric acid solution is 4-6%.

8. A composite material according to claim 1, characterized in that: The filler is prepared by mixing kaolin, talc and diatomaceous earth in a weight ratio of 3:2:

1.

9. Use of a composite material as claimed in any one of claims 1 to 8 in preparing a high temperature resistant and wear resistant automated industrial conveyor belt.

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